Merge pull request #920 from moreati/unittest-deprecations

Add Ansible podman connection support

.ci/localhost_ansible_tests.py

@@ -2,6 +2,7 @@
 # Run tests/ansible/all.yml under Ansible and Ansible-Mitogen
 
 import os
+import subprocess
 import sys
 
 import ci_lib
@@ -24,29 +25,30 @@ with ci_lib.Fold('job_setup'):
     # NOTE: sshpass v1.06 causes errors so pegging to 1.05 -> "msg": "Error when changing password","out": "passwd: DS error: eDSAuthFailed\n", 
     # there's a checksum error with "brew install http://git.io/sshpass.rb" though, so installing manually
     if not ci_lib.exists_in_path('sshpass'):
-        os.system("curl -O -L  https://sourceforge.net/projects/sshpass/files/sshpass/1.05/sshpass-1.05.tar.gz && \
+        subprocess.check_call(
+                "curl -O -L  https://sourceforge.net/projects/sshpass/files/sshpass/1.05/sshpass-1.05.tar.gz && \
                 tar xvf sshpass-1.05.tar.gz && \
                 cd sshpass-1.05 && \
                 ./configure && \
-                sudo make install")
+                sudo make install",
+                shell=True,
+        )
 
 
 with ci_lib.Fold('machine_prep'):
     # generate a new ssh key for localhost ssh
     if not os.path.exists(os.path.expanduser("~/.ssh/id_rsa")):
-        os.system("ssh-keygen -P '' -m pem -f ~/.ssh/id_rsa")
+        subprocess.check_call("ssh-keygen -P '' -m pem -f ~/.ssh/id_rsa", shell=True)
-        os.system("cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys")
+        subprocess.check_call("cat ~/.ssh/id_rsa.pub >> ~/.ssh/authorized_keys", shell=True)
+        os.chmod(os.path.expanduser('~/.ssh'), int('0700', 8))
+        os.chmod(os.path.expanduser('~/.ssh/authorized_keys'), int('0600', 8))
 
     # also generate it for the sudo user
-    if os.system("sudo [ -f /var/root/.ssh/id_rsa ]") != 0:
+    if os.system("sudo [ -f ~root/.ssh/id_rsa ]") != 0:
-        os.system("sudo ssh-keygen -P '' -m pem -f /var/root/.ssh/id_rsa")
+        subprocess.check_call("sudo ssh-keygen -P '' -m pem -f ~root/.ssh/id_rsa", shell=True)
-        os.system("sudo cat /var/root/.ssh/id_rsa.pub | sudo tee -a /var/root/.ssh/authorized_keys")
+        subprocess.check_call("sudo cat ~root/.ssh/id_rsa.pub | sudo tee -a ~root/.ssh/authorized_keys", shell=True)
-
+        subprocess.check_call('sudo chmod 700 ~root/.ssh', shell=True)
-    os.chmod(os.path.expanduser('~/.ssh'), int('0700', 8))
+        subprocess.check_call('sudo chmod 600 ~root/.ssh/authorized_keys', shell=True)
-    os.chmod(os.path.expanduser('~/.ssh/authorized_keys'), int('0600', 8))
-    # run chmod through sudo since it's owned by root
-    os.system('sudo chmod 700 /var/root/.ssh')
-    os.system('sudo chmod 600 /var/root/.ssh/authorized_keys')
 
     if os.path.expanduser('~mitogen__user1') == '~mitogen__user1':
         os.chdir(IMAGE_PREP_DIR)

ansible_mitogen/connection.py

@@ -262,6 +262,21 @@ def _connect_machinectl(spec):
     return _connect_setns(spec, kind='machinectl')
 
 
+def _connect_podman(spec):
+    """
+    Return ContextService arguments for a Docker connection.
+    """
+    return {
+        'method': 'podman',
+        'kwargs': {
+            'username': spec.remote_user(),
+            'container': spec.remote_addr(),
+            'python_path': spec.python_path(rediscover_python=True),
+            'connect_timeout': spec.ansible_ssh_timeout() or spec.timeout(),
+            'remote_name': get_remote_name(spec),
+        }
+    }
+
 def _connect_setns(spec, kind=None):
     """
     Return ContextService arguments for a mitogen_setns connection.
@@ -400,6 +415,7 @@ CONNECTION_METHOD = {
     'lxc': _connect_lxc,
     'lxd': _connect_lxd,
     'machinectl': _connect_machinectl,
+    'podman': _connect_podman,
     'setns': _connect_setns,
     'ssh': _connect_ssh,
     'smart': _connect_ssh,  # issue #548.

ansible_mitogen/plugins/connection/mitogen_podman.py

@@ -0,0 +1,44 @@
+# Copyright 2022, Mitogen contributers
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#
+# 1. Redistributions of source code must retain the above copyright notice,
+# this list of conditions and the following disclaimer.
+#
+# 2. Redistributions in binary form must reproduce the above copyright notice,
+# this list of conditions and the following disclaimer in the documentation
+# and/or other materials provided with the distribution.
+#
+# 3. Neither the name of the copyright holder nor the names of its contributors
+# may be used to endorse or promote products derived from this software without
+# specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+# ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
+# LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+
+from __future__ import absolute_import
+import os.path
+import sys
+
+try:
+    import ansible_mitogen
+except ImportError:
+    base_dir = os.path.dirname(__file__)
+    sys.path.insert(0, os.path.abspath(os.path.join(base_dir, '../../..')))
+    del base_dir
+
+import ansible_mitogen.connection
+
+
+class Connection(ansible_mitogen.connection.Connection):
+    transport = 'podman'

ansible_mitogen/strategy.py

@@ -107,6 +107,7 @@ REDIRECTED_CONNECTION_PLUGINS = (
     'lxc',
     'lxd',
     'machinectl',
+    'podman',
     'setns',
     'ssh',
 )

ansible_mitogen/target.py

@@ -652,7 +652,8 @@ def read_path(path):
     """
     Fetch the contents of a filesystem `path` as bytes.
     """
-    return open(path, 'rb').read()
+    with open(path, 'rb') as f:
+        return f.read()
 
 
 def set_file_owner(path, owner, group=None, fd=None):

ansible_mitogen/transport_config.py

@@ -354,6 +354,12 @@ class Spec(with_metaclass(abc.ABCMeta, object)):
         The path to the "machinectl" program for the 'setns' transport.
         """
 
+    @abc.abstractmethod
+    def mitogen_podman_path(self):
+        """
+        The path to the "podman" program for the 'podman' transport.
+        """
+
     @abc.abstractmethod
     def mitogen_ssh_keepalive_interval(self):
         """
@@ -527,6 +533,9 @@ class PlayContextSpec(Spec):
     def mitogen_lxc_info_path(self):
         return self._connection.get_task_var('mitogen_lxc_info_path')
 
+    def mitogen_podman_path(self):
+        return self._connection.get_task_var('mitogen_podman_path')
+
     def mitogen_ssh_keepalive_interval(self):
         return self._connection.get_task_var('mitogen_ssh_keepalive_interval')
 
@@ -747,6 +756,9 @@ class MitogenViaSpec(Spec):
     def mitogen_lxc_info_path(self):
         return self._host_vars.get('mitogen_lxc_info_path')
 
+    def mitogen_podman_path(self):
+        return self._host_vars.get('mitogen_podman_path')
+
     def mitogen_ssh_keepalive_interval(self):
         return self._host_vars.get('mitogen_ssh_keepalive_interval')
 

docs/ansible_detailed.rst

@@ -188,9 +188,9 @@ Noteworthy Differences
        your_ssh_username = (ALL) NOPASSWD:/usr/bin/python -c*
 
 * The :ans:conn:`~buildah`, :ans:conn:`~docker`, :ans:conn:`~jail`,
-  :ans:conn:`~kubectl`, :ans:conn:`~local`, :ans:conn:`~lxd`, and
+  :ans:conn:`~kubectl`, :ans:conn:`~local`, :ans:conn:`~lxd`,
-  :ans:conn:`~ssh` built-in connection types are supported, along with
+  :ans:conn:`~podman`, & :ans:conn:`~ssh` connection types are supported; also
-  Mitogen-specific :ref:`machinectl <machinectl>`, :ref:`mitogen_doas <doas>`,
+  Mitogen-specific :ref:`mitogen_doas <doas>`, :ref:`machinectl <machinectl>`,
   :ref:`mitogen_su <su>`, :ref:`mitogen_sudo <sudo>`, and :ref:`setns <setns>`
   types. File bugs to register interest in others.
 
@@ -819,6 +819,20 @@ Like the :ans:conn:`local` except connection delegation is supported.
 * ``ansible_python_interpreter``
 
 
+Podman
+~~~~~~
+
+Like :ans:conn:`podman` except connection delegation is supported.
+
+* ``ansible_host``: Name of container (default: inventory hostname).
+* ``ansible_user``: Name of user within the container to execute as.
+* ``mitogen_mask_remote_name``: if :data:`True`, mask the identity of the
+  Ansible controller process on remote machines. To simplify diagnostics,
+  Mitogen produces remote processes named like
+  `"mitogen:user@controller.name:1234"`, however this may be a privacy issue in
+  some circumstances.
+
+
 Process Model
 ^^^^^^^^^^^^^
 

docs/changelog.rst

@@ -23,6 +23,7 @@ v0.3.3.dev0
 
 * :gh:issue:`906` Support packages dynamically inserted into sys.modules, e.g. `distro` >= 1.7.0 as `ansible.module_utils.distro`.
 * :gh:issue:`918` Support Python 3.10
+* :gh:issue:`920` Support Ansible :ans:conn:`~podman` connection plugin
 
 
 v0.3.2 (2022-01-12)

docs/examples.rst

@@ -201,7 +201,7 @@ nested.py:
             print('Connect local%d via %s' % (x, context))
             context = router.local(via=context, name='local%d' % x)
 
-        context.call(os.system, 'pstree -s python -s mitogen')
+        context.call(subprocess.check_call, ['pstree', '-s', 'python', '-s', 'mitogen'])
 
 
 Output:

docs/index.rst

@@ -101,7 +101,7 @@ to your network topology**.
         container='billing0',
     )
 
-    internal_box.call(os.system, './run-nightly-billing.py')
+    internal_box.call(subprocess.check_call, ['./run-nightly-billing.py'])
 
 The multiplexer also ensures the remote process is terminated if your Python
 program crashes, communication is lost, or the application code running in the
@@ -250,7 +250,7 @@ After:
         """
         Install our application.
         """
-        os.system('tar zxvf app.tar.gz')
+        subprocess.check_call(['tar', 'zxvf', 'app.tar.gz'])
 
     context.call(install_app)
 
@@ -258,7 +258,7 @@ Or even:
 
 .. code-block:: python
 
-    context.call(os.system, 'tar zxvf app.tar.gz')
+    context.call(subprocess.check_call, ['tar', 'zxvf', 'app.tar.gz'])
 
 Exceptions raised by function calls are propagated back to the parent program,
 and timeouts can be configured to ensure failed calls do not block progress of

examples/install_app.py

@@ -8,14 +8,14 @@ Usage:
 Where:
     <hostname>  Hostname to install to.
 """
-import os
+import subprocess
 import sys
 
 import mitogen
 
 
 def install_app():
-    os.system('tar zxvf my_app.tar.gz')
+    subprocess.check_call(['tar', 'zxvf', 'my_app.tar.gz'])
 
 
 @mitogen.main()

mitogen/core.py

@@ -386,6 +386,20 @@ def _partition(s, sep, find):
         return left, sep, s[len(left)+len(sep):]
 
 
+def threading__current_thread():
+    try:
+        return threading.current_thread()  # Added in Python 2.6+
+    except AttributeError:
+        return threading.currentThread()  # Deprecated in Python 3.10+
+
+
+def threading__thread_name(thread):
+    try:
+        return thread.name  # Added in Python 2.6+
+    except AttributeError:
+        return thread.getName()  # Deprecated in Python 3.10+
+
+
 if hasattr(UnicodeType, 'rpartition'):
     str_partition = UnicodeType.partition
     str_rpartition = UnicodeType.rpartition
@@ -2758,7 +2772,7 @@ class Latch(object):
         return 'Latch(%#x, size=%d, t=%r)' % (
             id(self),
             len(self._queue),
-            threading.currentThread().getName(),
+            threading__thread_name(threading__current_thread()),
         )
 
 

mitogen/master.py

@@ -1236,7 +1236,7 @@ class Broker(mitogen.core.Broker):
     def __init__(self, install_watcher=True):
         if install_watcher:
             self._watcher = ThreadWatcher.watch(
-                target=threading.currentThread(),
+                target=mitogen.core.threading__current_thread(),
                 on_join=self.shutdown,
             )
         super(Broker, self).__init__()

mitogen/os_fork.py

@@ -35,7 +35,6 @@ Support for operating in a mixed threading/forking environment.
 import os
 import socket
 import sys
-import threading
 import weakref
 
 import mitogen.core
@@ -158,7 +157,7 @@ class Corker(object):
         held. This will not return until each thread acknowledges it has ceased
         execution.
         """
-        current = threading.currentThread()
+        current = mitogen.core.threading__current_thread()
         s = mitogen.core.b('CORK') * ((128 // 4) * 1024)
         self._rsocks = []
 

mitogen/service.py

@@ -109,7 +109,8 @@ def get_or_create_pool(size=None, router=None, context=None):
 
 
 def get_thread_name():
-    return threading.currentThread().getName()
+    thread = mitogen.core.threading__current_thread()
+    return mitogen.core.threading__thread_name(thread)
 
 
 def call(service_name, method_name, call_context=None, **kwargs):

tests/ansible/regression/issue_655__wait_for_connection_error.yml

@@ -13,36 +13,33 @@
     - name: set up test container and run tests inside it
       block:
         - name: install deps
-          block:
+          homebrew:
-            - name: install docker
+            name:
-              shell: |
+              - podman
-                # NOTE: for tracking purposes: https://github.com/docker/for-mac/issues/2359
+            state: present
-                # using docker for mac CI workaround: https://github.com/drud/ddev/pull/1748/files#diff-19288f650af2dabdf1dcc5b354d1f245
+
-                DOCKER_URL=https://download.docker.com/mac/stable/31259/Docker.dmg && 
+        - name: start machine
-                curl -O -sSL $DOCKER_URL && 
+          command:
-                open -W Docker.dmg && cp -r /Volumes/Docker/Docker.app /Applications
+            cmd: "{{ item.cmd }}"
-                sudo /Applications/Docker.app/Contents/MacOS/Docker --quit-after-install --unattended && 
+          loop:
-                ln -s /Applications/Docker.app/Contents/Resources/bin/docker /usr/local/bin/docker && 
+            - cmd: podman machine init
-                nohup /Applications/Docker.app/Contents/MacOS/Docker --unattended & 
+            - cmd: podman machine start
-                # wait 2 min for docker to come up
+            - cmd: podman info
-                counter=0 && 
+          timeout: 300
-                  while ! /usr/local/bin/docker ps 2>/dev/null ; do
+          register: podman_machine
-                    if [ $counter -lt 24 ]; then
+
-                      let counter=counter+1
+        - debug:
-                    else
+            var: podman_machine
-                      exit 1
-                    fi
-                    sleep 5
-                  done
 
         # python bindings (docker_container) aren't working on this host, so gonna shell out
-        - name: create docker container
+        - name: create container
-          shell: /usr/local/bin/docker run --name testMitogen -d --rm centos:8 bash -c "sleep infinity & wait"
+          command:
+            cmd: podman run --name testMitogen -d --rm centos:8 bash -c "sleep infinity & wait"
 
         - name: add container to inventory
           add_host:
             name: testMitogen
-            ansible_connection: docker
+            ansible_connection: podman
             ansible_user: root
           changed_when: false
           environment:
@@ -82,6 +79,10 @@
             PATH: /usr/local/bin/:{{ ansible_env.PATH }}
 
         - name: remove test container
-          shell: /usr/local/bin/docker stop testMitogen
+          command:
+            cmd: "{{ item.cmd }}"
+          loop:
+            - cmd: podman stop testMitogen
+            - cmd: podman machine stop
   tags:
     - issue_655

tests/ansible/tests/affinity_test.py

@@ -28,136 +28,136 @@ class FixedPolicyTest(testlib.TestCase):
         # Uniprocessor .
         policy = self.klass(cpu_count=1)
         policy.assign_controller()
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
 
     def test_assign_controller_2core(self):
         # Small SMP gets 1.. % cpu_count
         policy = self.klass(cpu_count=2)
         policy.assign_controller()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
         policy.assign_controller()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
         policy.assign_controller()
 
     def test_assign_controller_3core(self):
         # Small SMP gets 1.. % cpu_count
         policy = self.klass(cpu_count=3)
         policy.assign_controller()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
         policy.assign_controller()
-        self.assertEquals(0x4, policy.mask)
+        self.assertEqual(0x4, policy.mask)
         policy.assign_controller()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
         policy.assign_controller()
-        self.assertEquals(0x4, policy.mask)
+        self.assertEqual(0x4, policy.mask)
         policy.assign_controller()
 
     def test_assign_controller_4core(self):
         # Big SMP gets a dedicated core.
         policy = self.klass(cpu_count=4)
         policy.assign_controller()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
         policy.assign_controller()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
 
     def test_assign_muxprocess_1core(self):
         # Uniprocessor .
         policy = self.klass(cpu_count=1)
         policy.assign_muxprocess(0)
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
 
     def test_assign_muxprocess_2core(self):
         # Small SMP gets dedicated core.
         policy = self.klass(cpu_count=2)
         policy.assign_muxprocess(0)
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
         policy.assign_muxprocess(0)
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
         policy.assign_muxprocess(0)
 
     def test_assign_muxprocess_3core(self):
         # Small SMP gets a dedicated core.
         policy = self.klass(cpu_count=3)
         policy.assign_muxprocess(0)
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
         policy.assign_muxprocess(0)
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
 
     def test_assign_muxprocess_4core(self):
         # Big SMP gets a dedicated core.
         policy = self.klass(cpu_count=4)
         policy.assign_muxprocess(0)
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
         policy.assign_muxprocess(0)
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
 
     def test_assign_worker_1core(self):
         # Balance n % 1
         policy = self.klass(cpu_count=1)
         policy.assign_worker()
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
         policy.assign_worker()
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
 
     def test_assign_worker_2core(self):
         # Balance n % 1
         policy = self.klass(cpu_count=2)
         policy.assign_worker()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
         policy.assign_worker()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
 
     def test_assign_worker_3core(self):
         # Balance n % 1
         policy = self.klass(cpu_count=3)
         policy.assign_worker()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
         policy.assign_worker()
-        self.assertEquals(0x4, policy.mask)
+        self.assertEqual(0x4, policy.mask)
         policy.assign_worker()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
 
     def test_assign_worker_4core(self):
         # Balance n % 1
         policy = self.klass(cpu_count=4)
         policy.assign_worker()
-        self.assertEquals(4, policy.mask)
+        self.assertEqual(4, policy.mask)
         policy.assign_worker()
-        self.assertEquals(8, policy.mask)
+        self.assertEqual(8, policy.mask)
         policy.assign_worker()
-        self.assertEquals(4, policy.mask)
+        self.assertEqual(4, policy.mask)
 
     def test_assign_subprocess_1core(self):
         # allow all except reserved.
         policy = self.klass(cpu_count=1)
         policy.assign_subprocess()
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
         policy.assign_subprocess()
-        self.assertEquals(0x1, policy.mask)
+        self.assertEqual(0x1, policy.mask)
 
     def test_assign_subprocess_2core(self):
         # allow all except reserved.
         policy = self.klass(cpu_count=2)
         policy.assign_subprocess()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
         policy.assign_subprocess()
-        self.assertEquals(0x2, policy.mask)
+        self.assertEqual(0x2, policy.mask)
 
     def test_assign_subprocess_3core(self):
         # allow all except reserved.
         policy = self.klass(cpu_count=3)
         policy.assign_subprocess()
-        self.assertEquals(0x2 + 0x4, policy.mask)
+        self.assertEqual(0x2 + 0x4, policy.mask)
         policy.assign_subprocess()
-        self.assertEquals(0x2 + 0x4, policy.mask)
+        self.assertEqual(0x2 + 0x4, policy.mask)
 
     def test_assign_subprocess_4core(self):
         # allow all except reserved.
         policy = self.klass(cpu_count=4)
         policy.assign_subprocess()
-        self.assertEquals(0x4 + 0x8, policy.mask)
+        self.assertEqual(0x4 + 0x8, policy.mask)
         policy.assign_subprocess()
-        self.assertEquals(0x4 + 0x8, policy.mask)
+        self.assertEqual(0x4 + 0x8, policy.mask)
 
 
 @unittest.skipIf(
@@ -185,13 +185,13 @@ class LinuxPolicyTest(testlib.TestCase):
 
     def test_set_cpu_mask(self):
         self.policy._set_cpu_mask(0x1)
-        self.assertEquals(0x1, self._get_cpus())
+        self.assertEqual(0x1, self._get_cpus())
 
         self.policy._set_cpu_mask(0x2)
-        self.assertEquals(0x2, self._get_cpus())
+        self.assertEqual(0x2, self._get_cpus())
 
         self.policy._set_cpu_mask(0x3)
-        self.assertEquals(0x3, self._get_cpus())
+        self.assertEqual(0x3, self._get_cpus())
 
     def test_clear_on_popen(self):
         tf = tempfile.NamedTemporaryFile()

tests/ansible/tests/connection_test.py

@@ -91,20 +91,20 @@ class OptionalIntTest(testlib.TestCase):
     func = staticmethod(ansible_mitogen.connection.optional_int)
 
     def test_already_int(self):
-        self.assertEquals(0, self.func(0))
+        self.assertEqual(0, self.func(0))
-        self.assertEquals(1, self.func(1))
+        self.assertEqual(1, self.func(1))
-        self.assertEquals(-1, self.func(-1))
+        self.assertEqual(-1, self.func(-1))
 
     def test_is_string(self):
-        self.assertEquals(0, self.func("0"))
+        self.assertEqual(0, self.func("0"))
-        self.assertEquals(1, self.func("1"))
+        self.assertEqual(1, self.func("1"))
-        self.assertEquals(-1, self.func("-1"))
+        self.assertEqual(-1, self.func("-1"))
 
     def test_is_none(self):
-        self.assertEquals(None, self.func(None))
+        self.assertEqual(None, self.func(None))
 
     def test_is_junk(self):
-        self.assertEquals(None, self.func({1:2}))
+        self.assertEqual(None, self.func({1:2}))
 
 
 class FetchFileTest(ConnectionMixin, testlib.TestCase):
@@ -119,7 +119,7 @@ class FetchFileTest(ConnectionMixin, testlib.TestCase):
                 # transfer_file() uses os.rename rather than direct data
                 # overwrite, so we must reopen.
                 with open(ofp.name, 'rb') as fp:
-                    self.assertEquals(ifp.read(), fp.read())
+                    self.assertEqual(ifp.read(), fp.read())
 
 
 class PutDataTest(ConnectionMixin, testlib.TestCase):
@@ -129,7 +129,8 @@ class PutDataTest(ConnectionMixin, testlib.TestCase):
 
         self.conn.put_data(path, contents)
         self.wait_for_completion()
-        self.assertEquals(contents, open(path, 'rb').read())
+        with open(path, 'rb') as f:
+            self.assertEqual(contents, f.read())
         os.unlink(path)
 
     def test_mode(self):
@@ -139,7 +140,7 @@ class PutDataTest(ConnectionMixin, testlib.TestCase):
         self.conn.put_data(path, contents, mode=int('0123', 8))
         self.wait_for_completion()
         st = os.stat(path)
-        self.assertEquals(int('0123', 8), st.st_mode & int('0777', 8))
+        self.assertEqual(int('0123', 8), st.st_mode & int('0777', 8))
         os.unlink(path)
 
 
@@ -163,17 +164,18 @@ class PutFileTest(ConnectionMixin, testlib.TestCase):
         path = tempfile.mktemp(prefix='mitotest')
         self.conn.put_file(in_path=__file__, out_path=path)
         self.wait_for_completion()
-        self.assertEquals(open(path, 'rb').read(),
+        with open(path, 'rb') as path_f:
-                          open(__file__, 'rb').read())
+            with open(__file__, 'rb') as __file__f:
-
+                self.assertEqual(path_f.read(), __file__f.read())
         os.unlink(path)
 
     def test_out_path_big(self):
         path = tempfile.mktemp(prefix='mitotest')
         self.conn.put_file(in_path=self.big_path, out_path=path)
         self.wait_for_completion()
-        self.assertEquals(open(path, 'rb').read(),
+        with open(path, 'rb') as path_f:
-                          open(self.big_path, 'rb').read())
+            with open(self.big_path, 'rb') as big_path_f:
+                self.assertEqual(path_f.read(), big_path_f.read())
         #self._compare_times_modes(path, __file__)
         os.unlink(path)
 

tests/ansible/tests/target_test.py

@@ -61,10 +61,10 @@ class ApplyModeSpecTest(unittest.TestCase):
 
     def test_simple(self):
         spec = 'u+rwx,go=x'
-        self.assertEquals(int('0711', 8), self.func(spec, 0))
+        self.assertEqual(int('0711', 8), self.func(spec, 0))
 
         spec = 'g-rw'
-        self.assertEquals(int('0717', 8), self.func(spec, int('0777', 8)))
+        self.assertEqual(int('0717', 8), self.func(spec, int('0777', 8)))
 
 
 class IsGoodTempDirTest(unittest.TestCase):
@@ -84,7 +84,8 @@ class IsGoodTempDirTest(unittest.TestCase):
                 fp.write('derp')
             self.assertTrue(os.path.isfile(bleh))
             self.assertFalse(self.func(bleh))
-            self.assertEquals(open(bleh).read(), 'derp')
+            with open(bleh) as fp:
+                self.assertEqual(fp.read(), 'derp')
 
     @unittest.skipIf(
         os.geteuid() == 0, 'writes by root ignore directory permissions')

tests/broker_test.py

@@ -1,7 +1,3 @@
-
-import time
-import threading
-
 import mock
 
 import testlib
@@ -18,7 +14,7 @@ class ShutdownTest(testlib.TestCase):
         broker.poller.close = mock.Mock()
         broker.shutdown()
         broker.join()
-        self.assertEquals(1, len(broker.poller.close.mock_calls))
+        self.assertEqual(1, len(broker.poller.close.mock_calls))
         actual_close()
 
 
@@ -30,7 +26,7 @@ class DeferTest(testlib.TestCase):
         broker = self.klass()
         try:
             broker.defer(lambda: latch.put(123))
-            self.assertEquals(123, latch.get())
+            self.assertEqual(123, latch.get())
         finally:
             broker.shutdown()
             broker.join()
@@ -43,7 +39,7 @@ class DeferTest(testlib.TestCase):
 
         e = self.assertRaises(mitogen.core.Error,
             lambda: broker.defer(lambda: latch.put(123)))
-        self.assertEquals(e.args[0], mitogen.core.Waker.broker_shutdown_msg)
+        self.assertEqual(e.args[0], mitogen.core.Waker.broker_shutdown_msg)
 
 
 class DeferSyncTest(testlib.TestCase):
@@ -52,8 +48,8 @@ class DeferSyncTest(testlib.TestCase):
     def test_okay(self):
         broker = self.klass()
         try:
-            th = broker.defer_sync(lambda: threading.currentThread())
+            th = broker.defer_sync(lambda: mitogen.core.threading__current_thread())
-            self.assertEquals(th, broker._thread)
+            self.assertEqual(th, broker._thread)
         finally:
             broker.shutdown()
             broker.join()

tests/buildah_test.py

@@ -15,8 +15,8 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
         stream = self.router.stream_by_id(context.context_id)
 
         argv = eval(context.call(os.getenv, 'ORIGINAL_ARGV'))
-        self.assertEquals(argv[0], buildah_path)
+        self.assertEqual(argv[0], buildah_path)
-        self.assertEquals(argv[1], 'run')
+        self.assertEqual(argv[1], 'run')
-        self.assertEquals(argv[2], '--')
+        self.assertEqual(argv[2], '--')
-        self.assertEquals(argv[3], 'container_name')
+        self.assertEqual(argv[3], 'container_name')
-        self.assertEquals(argv[4], stream.conn.options.python_path)
+        self.assertEqual(argv[4], stream.conn.options.python_path)

tests/call_error_test.py

@@ -12,25 +12,25 @@ class ConstructorTest(testlib.TestCase):
 
     def test_string_noargs(self):
         e = self.klass('%s%s')
-        self.assertEquals(e.args[0], '%s%s')
+        self.assertEqual(e.args[0], '%s%s')
         self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
 
     def test_string_args(self):
         e = self.klass('%s%s', 1, 1)
-        self.assertEquals(e.args[0], '11')
+        self.assertEqual(e.args[0], '11')
         self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
 
     def test_from_exc(self):
         ve = plain_old_module.MyError('eek')
         e = self.klass(ve)
-        self.assertEquals(e.args[0], 'plain_old_module.MyError: eek')
+        self.assertEqual(e.args[0], 'plain_old_module.MyError: eek')
         self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
 
     def test_form_base_exc(self):
         ve = SystemExit('eek')
         e = self.klass(ve)
         cls = ve.__class__
-        self.assertEquals(e.args[0],
+        self.assertEqual(e.args[0],
             # varies across 2/3.
             '%s.%s: eek' % (cls.__module__, cls.__name__))
         self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
@@ -48,14 +48,14 @@ class ConstructorTest(testlib.TestCase):
 
     def test_bytestring_conversion(self):
         e = self.klass(mitogen.core.b('bytes'))
-        self.assertEquals(u'bytes', e.args[0])
+        self.assertEqual(u'bytes', e.args[0])
         self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
 
     def test_reduce(self):
         e = self.klass('eek')
         func, (arg,) = e.__reduce__()
         self.assertTrue(func is mitogen.core._unpickle_call_error)
-        self.assertEquals(arg, e.args[0])
+        self.assertEqual(arg, e.args[0])
 
 
 class UnpickleCallErrorTest(testlib.TestCase):
@@ -71,10 +71,10 @@ class UnpickleCallErrorTest(testlib.TestCase):
 
     def test_reify(self):
         e = self.func(u'some error')
-        self.assertEquals(mitogen.core.CallError, e.__class__)
+        self.assertEqual(mitogen.core.CallError, e.__class__)
-        self.assertEquals(1, len(e.args))
+        self.assertEqual(1, len(e.args))
-        self.assertEquals(mitogen.core.UnicodeType, type(e.args[0]))
+        self.assertEqual(mitogen.core.UnicodeType, type(e.args[0]))
-        self.assertEquals(u'some error', e.args[0])
+        self.assertEqual(u'some error', e.args[0])
 
 
 class PickleTest(testlib.TestCase):
@@ -83,18 +83,18 @@ class PickleTest(testlib.TestCase):
     def test_string_noargs(self):
         e = self.klass('%s%s')
         e2 = pickle.loads(pickle.dumps(e))
-        self.assertEquals(e2.args[0], '%s%s')
+        self.assertEqual(e2.args[0], '%s%s')
 
     def test_string_args(self):
         e = self.klass('%s%s', 1, 1)
         e2 = pickle.loads(pickle.dumps(e))
-        self.assertEquals(e2.args[0], '11')
+        self.assertEqual(e2.args[0], '11')
 
     def test_from_exc(self):
         ve = plain_old_module.MyError('eek')
         e = self.klass(ve)
         e2 = pickle.loads(pickle.dumps(e))
-        self.assertEquals(e2.args[0], 'plain_old_module.MyError: eek')
+        self.assertEqual(e2.args[0], 'plain_old_module.MyError: eek')
 
     def test_from_exc_tb(self):
         try:

tests/call_function_test.py

@@ -77,7 +77,7 @@ class CallFunctionTest(testlib.RouterMixin, testlib.TestCase):
     def test_bad_return_value(self):
         exc = self.assertRaises(mitogen.core.StreamError,
             lambda: self.local.call(func_with_bad_return_value))
-        self.assertEquals(
+        self.assertEqual(
                 exc.args[0],
                 "cannot unpickle '%s'/'CrazyType'" % (__name__,),
         )
@@ -89,7 +89,7 @@ class CallFunctionTest(testlib.RouterMixin, testlib.TestCase):
         self.broker.defer(stream.on_disconnect, self.broker)
         exc = self.assertRaises(mitogen.core.ChannelError,
             lambda: recv.get())
-        self.assertEquals(exc.args[0], self.router.respondent_disconnect_msg)
+        self.assertEqual(exc.args[0], self.router.respondent_disconnect_msg)
 
     def test_aborted_on_local_broker_shutdown(self):
         stream = self.router._stream_by_id[self.local.context_id]
@@ -99,7 +99,7 @@ class CallFunctionTest(testlib.RouterMixin, testlib.TestCase):
         self.broker_shutdown = True
         exc = self.assertRaises(mitogen.core.ChannelError,
             lambda: recv.get())
-        self.assertEquals(exc.args[0], self.router.respondent_disconnect_msg)
+        self.assertEqual(exc.args[0], self.router.respondent_disconnect_msg)
 
     def test_accepts_returns_context(self):
         context = self.local.call(func_returns_arg, self.local)
@@ -112,10 +112,10 @@ class CallFunctionTest(testlib.RouterMixin, testlib.TestCase):
         recv = mitogen.core.Receiver(self.router)
         sender = recv.to_sender()
         sender2 = self.local.call(func_accepts_returns_sender, sender)
-        self.assertEquals(sender.context.context_id,
+        self.assertEqual(sender.context.context_id,
                           sender2.context.context_id)
-        self.assertEquals(sender.dst_handle, sender2.dst_handle)
+        self.assertEqual(sender.dst_handle, sender2.dst_handle)
-        self.assertEquals(123, recv.get().unpickle())
+        self.assertEqual(123, recv.get().unpickle())
         self.assertRaises(mitogen.core.ChannelError,
                           lambda: recv.get().unpickle())
 
@@ -130,19 +130,19 @@ class CallChainTest(testlib.RouterMixin, testlib.TestCase):
 
     def test_subsequent_calls_produce_same_error(self):
         chain = self.klass(self.local, pipelined=True)
-        self.assertEquals('xx', chain.call(func_returns_arg, 'xx'))
+        self.assertEqual('xx', chain.call(func_returns_arg, 'xx'))
         chain.call_no_reply(function_that_fails, 'x1')
         e1 = self.assertRaises(mitogen.core.CallError,
             lambda: chain.call(function_that_fails, 'x2'))
         e2 = self.assertRaises(mitogen.core.CallError,
             lambda: chain.call(func_returns_arg, 'x3'))
-        self.assertEquals(str(e1), str(e2))
+        self.assertEqual(str(e1), str(e2))
 
     def test_unrelated_overlapping_failed_chains(self):
         c1 = self.klass(self.local, pipelined=True)
         c2 = self.klass(self.local, pipelined=True)
         c1.call_no_reply(function_that_fails, 'c1')
-        self.assertEquals('yes', c2.call(func_returns_arg, 'yes'))
+        self.assertEqual('yes', c2.call(func_returns_arg, 'yes'))
         self.assertRaises(mitogen.core.CallError,
             lambda: c1.call(func_returns_arg, 'yes'))
 
@@ -152,7 +152,7 @@ class CallChainTest(testlib.RouterMixin, testlib.TestCase):
         e1 = self.assertRaises(mitogen.core.CallError,
             lambda: c1.call(function_that_fails, 'x2'))
         c1.reset()
-        self.assertEquals('x3', c1.call(func_returns_arg, 'x3'))
+        self.assertEqual('x3', c1.call(func_returns_arg, 'x3'))
 
 
 class UnsupportedCallablesTest(testlib.RouterMixin, testlib.TestCase):
@@ -168,17 +168,17 @@ class UnsupportedCallablesTest(testlib.RouterMixin, testlib.TestCase):
         closure = lambda: a
         e = self.assertRaises(TypeError,
             lambda: self.local.call(closure))
-        self.assertEquals(e.args[0], self.klass.closures_msg)
+        self.assertEqual(e.args[0], self.klass.closures_msg)
 
     def test_lambda_unsupported(self):
         lam = lambda: None
         e = self.assertRaises(TypeError,
             lambda: self.local.call(lam))
-        self.assertEquals(e.args[0], self.klass.lambda_msg)
+        self.assertEqual(e.args[0], self.klass.lambda_msg)
 
     def test_instance_method_unsupported(self):
         class X:
             def x(): pass
         e = self.assertRaises(TypeError,
             lambda: self.local.call(X().x))
-        self.assertEquals(e.args[0], self.klass.method_msg)
+        self.assertEqual(e.args[0], self.klass.method_msg)

tests/connection_test.py

@@ -41,7 +41,7 @@ class ConnectionTest(testlib.RouterMixin, testlib.TestCase):
 
         exc, = result
         self.assertTrue(isinstance(exc, mitogen.parent.CancelledError))
-        self.assertEquals(mitogen.parent.BROKER_SHUTDOWN_MSG, exc.args[0])
+        self.assertEqual(mitogen.parent.BROKER_SHUTDOWN_MSG, exc.args[0])
 
 
 @mitogen.core.takes_econtext

tests/context_test.py

@@ -20,13 +20,13 @@ class PickleTest(testlib.RouterMixin, testlib.TestCase):
         r = mitogen.core.Receiver(self.router)
         r.to_sender().send(c)
         c2 = r.get().unpickle()
-        self.assertEquals(None, c2.router)
+        self.assertEqual(None, c2.router)
-        self.assertEquals(c.context_id, c2.context_id)
+        self.assertEqual(c.context_id, c2.context_id)
-        self.assertEquals(c.name, c2.name)
+        self.assertEqual(c.name, c2.name)
 
     def test_vanilla_roundtrip(self):
         c = self.router.local()
         c2 = pickle.loads(pickle.dumps(c))
-        self.assertEquals(None, c2.router)
+        self.assertEqual(None, c2.router)
-        self.assertEquals(c.context_id, c2.context_id)
+        self.assertEqual(c.context_id, c2.context_id)
-        self.assertEquals(c.name, c2.name)
+        self.assertEqual(c.name, c2.name)

tests/create_child_test.py

@@ -97,8 +97,8 @@ class StdinSockMixin(object):
             lambda proc: proc.stdin.send(b('TEST')))
         st = os.fstat(proc.stdin.fileno())
         self.assertTrue(stat.S_ISSOCK(st.st_mode))
-        self.assertEquals(st.st_dev, info['st_dev'])
+        self.assertEqual(st.st_dev, info['st_dev'])
-        self.assertEquals(st.st_mode, _osx_mode(info['st_mode']))
+        self.assertEqual(st.st_mode, _osx_mode(info['st_mode']))
         flags = fcntl.fcntl(proc.stdin.fileno(), fcntl.F_GETFL)
         self.assertTrue(flags & os.O_RDWR)
         self.assertTrue(info['buf'], 'TEST')
@@ -111,8 +111,8 @@ class StdoutSockMixin(object):
             lambda proc: wait_read(proc.stdout, 4))
         st = os.fstat(proc.stdout.fileno())
         self.assertTrue(stat.S_ISSOCK(st.st_mode))
-        self.assertEquals(st.st_dev, info['st_dev'])
+        self.assertEqual(st.st_dev, info['st_dev'])
-        self.assertEquals(st.st_mode, _osx_mode(info['st_mode']))
+        self.assertEqual(st.st_mode, _osx_mode(info['st_mode']))
         flags = fcntl.fcntl(proc.stdout.fileno(), fcntl.F_GETFL)
         self.assertTrue(flags & os.O_RDWR)
         self.assertTrue(buf, 'TEST')
@@ -125,9 +125,9 @@ class CreateChildTest(StdinSockMixin, StdoutSockMixin, testlib.TestCase):
     def test_stderr(self):
         proc, info, _ = run_fd_check(self.func, 2, 'write')
         st = os.fstat(sys.stderr.fileno())
-        self.assertEquals(st.st_dev, info['st_dev'])
+        self.assertEqual(st.st_dev, info['st_dev'])
-        self.assertEquals(st.st_mode, info['st_mode'])
+        self.assertEqual(st.st_mode, info['st_mode'])
-        self.assertEquals(st.st_ino, info['st_ino'])
+        self.assertEqual(st.st_ino, info['st_ino'])
 
 
 class CreateChildMergedTest(StdinSockMixin, StdoutSockMixin,
@@ -139,7 +139,7 @@ class CreateChildMergedTest(StdinSockMixin, StdoutSockMixin,
     def test_stderr(self):
         proc, info, buf = run_fd_check(self.func, 2, 'write',
             lambda proc: wait_read(proc.stdout, 4))
-        self.assertEquals(None, proc.stderr)
+        self.assertEqual(None, proc.stderr)
         st = os.fstat(proc.stdout.fileno())
         self.assertTrue(stat.S_ISSOCK(st.st_mode))
         flags = fcntl.fcntl(proc.stdout.fileno(), fcntl.F_GETFL)
@@ -159,8 +159,8 @@ class CreateChildStderrPipeTest(StdinSockMixin, StdoutSockMixin,
             lambda proc: wait_read(proc.stderr, 4))
         st = os.fstat(proc.stderr.fileno())
         self.assertTrue(stat.S_ISFIFO(st.st_mode))
-        self.assertEquals(st.st_dev, info['st_dev'])
+        self.assertEqual(st.st_dev, info['st_dev'])
-        self.assertEquals(st.st_mode, info['st_mode'])
+        self.assertEqual(st.st_mode, info['st_mode'])
         flags = fcntl.fcntl(proc.stderr.fileno(), fcntl.F_GETFL)
         self.assertFalse(flags & os.O_WRONLY)
         self.assertFalse(flags & os.O_RDWR)
@@ -188,11 +188,11 @@ class TtyCreateChildTest(testlib.TestCase):
             ])
             mitogen.core.set_block(proc.stdin.fileno())
             # read(3) below due to https://bugs.python.org/issue37696
-            self.assertEquals(mitogen.core.b('hi\n'), proc.stdin.read(3))
+            self.assertEqual(mitogen.core.b('hi\n'), proc.stdin.read(3))
             waited_pid, status = os.waitpid(proc.pid, 0)
-            self.assertEquals(proc.pid, waited_pid)
+            self.assertEqual(proc.pid, waited_pid)
-            self.assertEquals(0, status)
+            self.assertEqual(0, status)
-            self.assertEquals(mitogen.core.b(''), tf.read())
+            self.assertEqual(mitogen.core.b(''), tf.read())
             proc.stdout.close()
         finally:
             tf.close()
@@ -268,11 +268,11 @@ class TtyCreateChildTest(testlib.TestCase):
             proc = self.func([
                 'bash', '-c', 'exec 2>%s; echo hi > /dev/tty' % (tf.name,)
             ])
-            self.assertEquals(mitogen.core.b('hi\n'), wait_read(proc.stdout, 3))
+            self.assertEqual(mitogen.core.b('hi\n'), wait_read(proc.stdout, 3))
             waited_pid, status = os.waitpid(proc.pid, 0)
-            self.assertEquals(proc.pid, waited_pid)
+            self.assertEqual(proc.pid, waited_pid)
-            self.assertEquals(0, status)
+            self.assertEqual(0, status)
-            self.assertEquals(mitogen.core.b(''), tf.read())
+            self.assertEqual(mitogen.core.b(''), tf.read())
             proc.stdout.close()
         finally:
             tf.close()
@@ -316,8 +316,8 @@ if 0:
                 lambda proc: proc.transmit_side.write('TEST'))
             st = os.fstat(proc.transmit_side.fd)
             self.assertTrue(stat.S_ISFIFO(st.st_mode))
-            self.assertEquals(st.st_dev, info['st_dev'])
+            self.assertEqual(st.st_dev, info['st_dev'])
-            self.assertEquals(st.st_mode, info['st_mode'])
+            self.assertEqual(st.st_mode, info['st_mode'])
             flags = fcntl.fcntl(proc.transmit_side.fd, fcntl.F_GETFL)
             self.assertTrue(flags & os.O_WRONLY)
             self.assertTrue(buf, 'TEST')
@@ -329,8 +329,8 @@ if 0:
                 lambda proc: wait_read(proc.receive_side, 4))
             st = os.fstat(proc.receive_side.fd)
             self.assertTrue(stat.S_ISFIFO(st.st_mode))
-            self.assertEquals(st.st_dev, info['st_dev'])
+            self.assertEqual(st.st_dev, info['st_dev'])
-            self.assertEquals(st.st_mode, info['st_mode'])
+            self.assertEqual(st.st_mode, info['st_mode'])
             flags = fcntl.fcntl(proc.receive_side.fd, fcntl.F_GETFL)
             self.assertFalse(flags & os.O_WRONLY)
             self.assertFalse(flags & os.O_RDWR)

tests/data/plain_old_module.py

@@ -12,7 +12,8 @@ class MyError(Exception):
 
 def get_sentinel_value():
     # Some proof we're even talking to the mitogen-test Docker image
-    return open('/etc/sentinel', 'rb').read().decode()
+    with open('/etc/sentinel', 'rb') as f:
+        return f.read().decode()
 
 
 def add(x, y):

tests/doas_test.py

@@ -17,13 +17,13 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
             username='someuser',
         )
         argv = eval(context.call(os.getenv, 'ORIGINAL_ARGV'))
-        self.assertEquals(argv[:4], [
+        self.assertEqual(argv[:4], [
             self.doas_path,
             '-u',
             'someuser',
             '--',
         ])
-        self.assertEquals('1', context.call(os.getenv, 'THIS_IS_STUB_DOAS'))
+        self.assertEqual('1', context.call(os.getenv, 'THIS_IS_STUB_DOAS'))
 
 
 # TODO: https://github.com/dw/mitogen/issues/694 they are flaky on python 2.6 MODE=mitogen DISTROS=centos7
@@ -57,4 +57,4 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
 #             password='has_sudo_password',
 #         )
 #         context = self.router.doas(via=ssh, password='has_sudo_password')
-#         self.assertEquals(0, context.call(os.getuid))
+#         self.assertEqual(0, context.call(os.getuid))

tests/docker_test.py

@@ -15,8 +15,8 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
         stream = self.router.stream_by_id(context.context_id)
 
         argv = eval(context.call(os.getenv, 'ORIGINAL_ARGV'))
-        self.assertEquals(argv[0], docker_path)
+        self.assertEqual(argv[0], docker_path)
-        self.assertEquals(argv[1], 'exec')
+        self.assertEqual(argv[1], 'exec')
-        self.assertEquals(argv[2], '--interactive')
+        self.assertEqual(argv[2], '--interactive')
-        self.assertEquals(argv[3], 'container_name')
+        self.assertEqual(argv[3], 'container_name')
-        self.assertEquals(argv[4], stream.conn.options.python_path)
+        self.assertEqual(argv[4], stream.conn.options.python_path)

tests/error_test.py

@@ -7,20 +7,20 @@ class ConstructorTest(testlib.TestCase):
 
     def test_literal_no_format(self):
         e = self.klass('error')
-        self.assertEquals(e.args[0], 'error')
+        self.assertEqual(e.args[0], 'error')
         self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
 
     def test_literal_format_chars_present(self):
         e = self.klass('error%s')
-        self.assertEquals(e.args[0], 'error%s')
+        self.assertEqual(e.args[0], 'error%s')
         self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
 
     def test_format(self):
         e = self.klass('error%s', 123)
-        self.assertEquals(e.args[0], 'error123')
+        self.assertEqual(e.args[0], 'error123')
         self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))
 
     def test_bytes_to_unicode(self):
         e = self.klass(mitogen.core.b('error'))
-        self.assertEquals(e.args[0], 'error')
+        self.assertEqual(e.args[0], 'error')
         self.assertTrue(isinstance(e.args[0], mitogen.core.UnicodeType))

tests/file_service_test.py

@@ -50,8 +50,8 @@ class FetchTest(testlib.RouterMixin, testlib.TestCase):
 
     def _validate_response(self, resp):
         self.assertTrue(isinstance(resp, dict))
-        self.assertEquals('root', resp['owner'])
+        self.assertEqual('root', resp['owner'])
-        self.assertEquals(self.ROOT_GROUP, resp['group'])
+        self.assertEqual(self.ROOT_GROUP, resp['group'])
         self.assertTrue(isinstance(resp['mode'], int))
         self.assertTrue(isinstance(resp['mtime'], float))
         self.assertTrue(isinstance(resp['atime'], float))

tests/first_stage_test.py

@@ -37,8 +37,8 @@ class CommandLineTest(testlib.RouterMixin, testlib.TestCase):
                 stderr=subprocess.PIPE,
             )
             stdout, stderr = proc.communicate()
-            self.assertEquals(0, proc.returncode)
+            self.assertEqual(0, proc.returncode)
-            self.assertEquals(stdout,
+            self.assertEqual(stdout,
                 mitogen.parent.BootstrapProtocol.EC0_MARKER+b('\n'))
             self.assertIn(b("Error -5 while decompressing data"), stderr)
         finally:

tests/fork_test.py

@@ -115,7 +115,7 @@ class ForkTest(testlib.RouterMixin, testlib.TestCase):
             sender = mitogen.core.Sender(econtext.parent, recv.handle)
             sender.send(123)
         context = self.router.fork(on_start=on_start)
-        self.assertEquals(123, recv.get().unpickle())
+        self.assertEqual(123, recv.get().unpickle())
 
 ForkTest = skipIfUnsupported(ForkTest)
 
@@ -134,7 +134,7 @@ class DoubleChildTest(testlib.RouterMixin, testlib.TestCase):
         # successfully. In future, we need lots more tests.
         c1 = self.router.fork()
         c2 = self.router.fork(via=c1)
-        self.assertEquals(123, c2.call(ping))
+        self.assertEqual(123, c2.call(ping))
 
     def test_importer(self):
         c1 = self.router.fork(name='c1')

tests/id_allocation_test.py

@@ -14,7 +14,7 @@ class SlaveTest(testlib.RouterMixin, testlib.TestCase):
     def test_slave_allocates_id(self):
         context = self.router.local()
         # Master's allocator named the context 1.
-        self.assertEquals(1, context.context_id)
+        self.assertEqual(1, context.context_id)
 
         # First call from slave allocates a block (2..1001)
         id_ = context.call(allocate_an_id)
@@ -26,4 +26,4 @@ class SlaveTest(testlib.RouterMixin, testlib.TestCase):
 
         # Subsequent master allocation does not collide
         c2 = self.router.local()
-        self.assertEquals(1002, c2.context_id)
+        self.assertEqual(1002, c2.context_id)

tests/importer_test.py

@@ -68,7 +68,7 @@ class LoadModuleTest(ImporterMixin, testlib.TestCase):
     def test_module_file_set(self):
         self.set_get_module_response(self.response)
         mod = self.importer.load_module(self.modname)
-        self.assertEquals(mod.__file__, 'master:' + self.path)
+        self.assertEqual(mod.__file__, 'master:' + self.path)
 
     def test_module_loader_set(self):
         self.set_get_module_response(self.response)
@@ -91,7 +91,7 @@ class LoadSubmoduleTest(ImporterMixin, testlib.TestCase):
     def test_module_package_unset(self):
         self.set_get_module_response(self.response)
         mod = self.importer.load_module(self.modname)
-        self.assertEquals(mod.__package__, 'mypkg')
+        self.assertEqual(mod.__package__, 'mypkg')
 
 
 class LoadModulePackageTest(ImporterMixin, testlib.TestCase):
@@ -104,19 +104,19 @@ class LoadModulePackageTest(ImporterMixin, testlib.TestCase):
     def test_module_file_set(self):
         self.set_get_module_response(self.response)
         mod = self.importer.load_module(self.modname)
-        self.assertEquals(mod.__file__, 'master:' + self.path)
+        self.assertEqual(mod.__file__, 'master:' + self.path)
 
     def test_get_filename(self):
         self.set_get_module_response(self.response)
         mod = self.importer.load_module(self.modname)
         filename = mod.__loader__.get_filename(self.modname)
-        self.assertEquals('master:fake_pkg/__init__.py', filename)
+        self.assertEqual('master:fake_pkg/__init__.py', filename)
 
     def test_get_source(self):
         self.set_get_module_response(self.response)
         mod = self.importer.load_module(self.modname)
         source = mod.__loader__.get_source(self.modname)
-        self.assertEquals(source,
+        self.assertEqual(source,
             mitogen.core.to_text(zlib.decompress(self.data)))
 
     def test_module_loader_set(self):
@@ -127,18 +127,18 @@ class LoadModulePackageTest(ImporterMixin, testlib.TestCase):
     def test_module_path_present(self):
         self.set_get_module_response(self.response)
         mod = self.importer.load_module(self.modname)
-        self.assertEquals(mod.__path__, [])
+        self.assertEqual(mod.__path__, [])
 
     def test_module_package_set(self):
         self.set_get_module_response(self.response)
         mod = self.importer.load_module(self.modname)
-        self.assertEquals(mod.__package__, self.modname)
+        self.assertEqual(mod.__package__, self.modname)
 
     def test_module_data(self):
         self.set_get_module_response(self.response)
         mod = self.importer.load_module(self.modname)
         self.assertIsInstance(mod.func, types.FunctionType)
-        self.assertEquals(mod.func.__module__, self.modname)
+        self.assertEqual(mod.func.__module__, self.modname)
 
 
 class EmailParseAddrSysTest(testlib.RouterMixin, testlib.TestCase):
@@ -218,5 +218,5 @@ class SelfReplacingModuleTest(testlib.RouterMixin, testlib.TestCase):
     # issue #590
     def test_importer_handles_self_replacement(self):
         c = self.router.local()
-        self.assertEquals(0,
+        self.assertEqual(0,
             c.call(simple_pkg.imports_replaces_self.subtract_one, 1))

tests/io_op_test.py

@@ -30,10 +30,10 @@ class RestartTest(object):
             'yay',
         ]
         rc, disconnected = self.func(py24_mock_fix(m), 'input')
-        self.assertEquals(rc, 'yay')
+        self.assertEqual(rc, 'yay')
         self.assertFalse(disconnected)
-        self.assertEquals(4, m.call_count)
+        self.assertEqual(4, m.call_count)
-        self.assertEquals(m.mock_calls, [
+        self.assertEqual(m.mock_calls, [
             mock.call('input'),
             mock.call('input'),
             mock.call('input'),
@@ -58,10 +58,10 @@ class DisconnectTest(object):
         m = mock.Mock()
         m.side_effect = self.exception_class(self.errno)
         rc, disconnected = self.func(m, 'input')
-        self.assertEquals(rc, None)
+        self.assertEqual(rc, None)
         self.assertTrue(disconnected)
-        self.assertEquals(1, m.call_count)
+        self.assertEqual(1, m.call_count)
-        self.assertEquals(m.mock_calls, [
+        self.assertEqual(m.mock_calls, [
             mock.call('input'),
         ])
 
@@ -106,9 +106,9 @@ class ExceptionTest(object):
         m.side_effect = self.exception_class(self.errno)
         e = self.assertRaises(self.exception_class,
                               lambda: self.func(m, 'input'))
-        self.assertEquals(e, m.side_effect)
+        self.assertEqual(e, m.side_effect)
-        self.assertEquals(1, m.call_count)
+        self.assertEqual(1, m.call_count)
-        self.assertEquals(m.mock_calls, [
+        self.assertEqual(m.mock_calls, [
             mock.call('input'),
         ])
 

tests/iter_split_test.py

@@ -21,38 +21,38 @@ class IterSplitTest(unittest.TestCase):
         lst = []
         trailer, cont = self.func(buf='', delim='\n', func=lst.append)
         self.assertTrue(cont)
-        self.assertEquals('', trailer)
+        self.assertEqual('', trailer)
-        self.assertEquals([], lst)
+        self.assertEqual([], lst)
 
     def test_empty_line(self):
         lst = []
         trailer, cont = self.func(buf='\n', delim='\n', func=lst.append)
         self.assertTrue(cont)
-        self.assertEquals('', trailer)
+        self.assertEqual('', trailer)
-        self.assertEquals([''], lst)
+        self.assertEqual([''], lst)
 
     def test_one_line(self):
         buf = 'xxxx\n'
         lst = []
         trailer, cont = self.func(buf=buf, delim='\n', func=lst.append)
         self.assertTrue(cont)
-        self.assertEquals('', trailer)
+        self.assertEqual('', trailer)
-        self.assertEquals(lst, ['xxxx'])
+        self.assertEqual(lst, ['xxxx'])
 
     def test_one_incomplete(self):
         buf = 'xxxx\nyy'
         lst = []
         trailer, cont = self.func(buf=buf, delim='\n', func=lst.append)
         self.assertTrue(cont)
-        self.assertEquals('yy', trailer)
+        self.assertEqual('yy', trailer)
-        self.assertEquals(lst, ['xxxx'])
+        self.assertEqual(lst, ['xxxx'])
 
     def test_returns_false_immediately(self):
         buf = 'xxxx\nyy'
         func = lambda buf: False
         trailer, cont = self.func(buf=buf, delim='\n', func=func)
         self.assertFalse(cont)
-        self.assertEquals('yy', trailer)
+        self.assertEqual('yy', trailer)
 
     def test_returns_false_second_call(self):
         buf = 'xxxx\nyy\nzz'
@@ -60,4 +60,4 @@ class IterSplitTest(unittest.TestCase):
         func = lambda buf: next(it)
         trailer, cont = self.func(buf=buf, delim='\n', func=func)
         self.assertFalse(cont)
-        self.assertEquals('zz', trailer)
+        self.assertEqual('zz', trailer)

tests/jail_test.py

@@ -18,10 +18,10 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
         stream = self.router.stream_by_id(context.context_id)
 
         argv = eval(context.call(os.getenv, 'ORIGINAL_ARGV'))
-        self.assertEquals(argv[:4], [
+        self.assertEqual(argv[:4], [
             self.jexec_path,
             'somejail',
             stream.conn.options.python_path,
             '-c',
         ])
-        self.assertEquals('1', context.call(os.getenv, 'THIS_IS_STUB_JEXEC'))
+        self.assertEqual('1', context.call(os.getenv, 'THIS_IS_STUB_JEXEC'))

tests/kubectl_test.py

@@ -17,7 +17,7 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
         )
 
         argv = eval(context.call(os.getenv, 'ORIGINAL_ARGV'))
-        self.assertEquals(argv[0], self.kubectl_path)
+        self.assertEqual(argv[0], self.kubectl_path)
-        self.assertEquals(argv[1], 'exec')
+        self.assertEqual(argv[1], 'exec')
-        self.assertEquals(argv[2], '-it')
+        self.assertEqual(argv[2], '-it')
-        self.assertEquals(argv[3], 'pod_name')
+        self.assertEqual(argv[3], 'pod_name')

tests/latch_test.py

@@ -45,19 +45,19 @@ class GetTest(testlib.TestCase):
         obj = object()
         latch = self.klass()
         latch.put(obj)
-        self.assertEquals(obj, latch.get())
+        self.assertEqual(obj, latch.get())
 
     def test_nonempty_noblock(self):
         obj = object()
         latch = self.klass()
         latch.put(obj)
-        self.assertEquals(obj, latch.get(block=False))
+        self.assertEqual(obj, latch.get(block=False))
 
     def test_nonempty_zero_timeout(self):
         obj = object()
         latch = self.klass()
         latch.put(obj)
-        self.assertEquals(obj, latch.get(timeout=0))
+        self.assertEqual(obj, latch.get(timeout=0))
 
 
 class ThreadedGetTest(testlib.TestCase):
@@ -91,8 +91,8 @@ class ThreadedGetTest(testlib.TestCase):
         self.start_one(lambda: latch.get(timeout=3.0))
         latch.put('test')
         self.join()
-        self.assertEquals(self.results, ['test'])
+        self.assertEqual(self.results, ['test'])
-        self.assertEquals(self.excs, [])
+        self.assertEqual(self.excs, [])
 
     def test_five_threads(self):
         latch = self.klass()
@@ -101,8 +101,8 @@ class ThreadedGetTest(testlib.TestCase):
         for x in range(5):
             latch.put(x)
         self.join()
-        self.assertEquals(sorted(self.results), list(range(5)))
+        self.assertEqual(sorted(self.results), list(range(5)))
-        self.assertEquals(self.excs, [])
+        self.assertEqual(self.excs, [])
 
 
 
@@ -112,7 +112,7 @@ class PutTest(testlib.TestCase):
     def test_put(self):
         latch = self.klass()
         latch.put(None)
-        self.assertEquals(None, latch.get())
+        self.assertEqual(None, latch.get())
 
 
 class CloseTest(testlib.TestCase):
@@ -197,7 +197,7 @@ class ThreadedCloseTest(testlib.TestCase):
         self.start_one(lambda: latch.get(timeout=3.0))
         latch.close()
         self.join()
-        self.assertEquals(self.results, [None])
+        self.assertEqual(self.results, [None])
         for exc in self.excs:
             self.assertTrue(isinstance(exc, mitogen.core.LatchError))
 
@@ -207,6 +207,6 @@ class ThreadedCloseTest(testlib.TestCase):
             self.start_one(lambda: latch.get(timeout=3.0))
         latch.close()
         self.join()
-        self.assertEquals(self.results, [None]*5)
+        self.assertEqual(self.results, [None]*5)
         for exc in self.excs:
             self.assertTrue(isinstance(exc, mitogen.core.LatchError))

tests/local_test.py

@@ -21,18 +21,18 @@ class ConstructionTest(testlib.RouterMixin, testlib.TestCase):
     def test_stream_name(self):
         context = self.router.local()
         pid = context.call(os.getpid)
-        self.assertEquals('local.%d' % (pid,), context.name)
+        self.assertEqual('local.%d' % (pid,), context.name)
 
     def test_python_path_inherited(self):
         context = self.router.local()
-        self.assertEquals(sys.executable, context.call(get_sys_executable))
+        self.assertEqual(sys.executable, context.call(get_sys_executable))
 
     def test_python_path_string(self):
         context = self.router.local(
             python_path=self.stub_python_path,
         )
         env = context.call(get_os_environ)
-        self.assertEquals('1', env['THIS_IS_STUB_PYTHON'])
+        self.assertEqual('1', env['THIS_IS_STUB_PYTHON'])
 
     def test_python_path_list(self):
         context = self.router.local(
@@ -42,7 +42,7 @@ class ConstructionTest(testlib.RouterMixin, testlib.TestCase):
                 sys.executable
             ]
         )
-        self.assertEquals(sys.executable, context.call(get_sys_executable))
+        self.assertEqual(sys.executable, context.call(get_sys_executable))
         env = context.call(get_os_environ)
-        self.assertEquals('magic_first_arg', env['STUB_PYTHON_FIRST_ARG'])
+        self.assertEqual('magic_first_arg', env['STUB_PYTHON_FIRST_ARG'])
-        self.assertEquals('1', env['THIS_IS_STUB_PYTHON'])
+        self.assertEqual('1', env['THIS_IS_STUB_PYTHON'])

tests/log_handler_test.py

@@ -38,8 +38,8 @@ class BufferingTest(testlib.TestCase):
         context, handler = self.build()
         rec = self.record()
         handler.emit(rec)
-        self.assertEquals(0, context.send.call_count)
+        self.assertEqual(0, context.send.call_count)
-        self.assertEquals(1, len(handler._buffer))
+        self.assertEqual(1, len(handler._buffer))
 
     def test_uncork(self):
         context, handler = self.build()
@@ -47,14 +47,14 @@ class BufferingTest(testlib.TestCase):
         handler.emit(rec)
         handler.uncork()
 
-        self.assertEquals(1, context.send.call_count)
+        self.assertEqual(1, context.send.call_count)
-        self.assertEquals(None, handler._buffer)
+        self.assertEqual(None, handler._buffer)
 
         _, args, _ = context.send.mock_calls[0]
         msg, = args
 
-        self.assertEquals(mitogen.core.FORWARD_LOG, msg.handle)
+        self.assertEqual(mitogen.core.FORWARD_LOG, msg.handle)
-        self.assertEquals(b('name\x0099\x00msg'), msg.data)
+        self.assertEqual(b('name\x0099\x00msg'), msg.data)
 
 
 class StartupTest(testlib.RouterMixin, testlib.TestCase):

tests/lxc_test.py

@@ -25,7 +25,7 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
         )
 
         argv = eval(context.call(os.getenv, 'ORIGINAL_ARGV'))
-        self.assertEquals(argv[0], self.lxc_attach_path)
+        self.assertEqual(argv[0], self.lxc_attach_path)
         self.assertTrue('--clear-env' in argv)
         self.assertTrue(has_subseq(argv, ['--name', 'container_name']))
 

tests/lxd_test.py

@@ -16,10 +16,10 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
         )
 
         argv = eval(context.call(os.getenv, 'ORIGINAL_ARGV'))
-        self.assertEquals(argv[0], lxc_path)
+        self.assertEqual(argv[0], lxc_path)
-        self.assertEquals(argv[1], 'exec')
+        self.assertEqual(argv[1], 'exec')
-        self.assertEquals(argv[2], '--mode=noninteractive')
+        self.assertEqual(argv[2], '--mode=noninteractive')
-        self.assertEquals(argv[3], 'container_name')
+        self.assertEqual(argv[3], 'container_name')
 
     def test_eof(self):
         e = self.assertRaises(mitogen.parent.EofError,

tests/master_test.py

@@ -22,5 +22,6 @@ class ScanCodeImportsTest(testlib.TestCase):
 
     def test_simple(self):
         source_path = inspect.getsourcefile(ScanCodeImportsTest)
-        co = compile(open(source_path).read(), source_path, 'exec')
+        with open(source_path) as f:
-        self.assertEquals(list(self.func(co)), self.SIMPLE_EXPECT)
+            co = compile(f.read(), source_path, 'exec')
+        self.assertEqual(list(self.func(co)), self.SIMPLE_EXPECT)

tests/message_test.py

@@ -16,45 +16,45 @@ class ConstructorTest(testlib.TestCase):
     klass = mitogen.core.Message
 
     def test_dst_id_default(self):
-        self.assertEquals(self.klass().dst_id, None)
+        self.assertEqual(self.klass().dst_id, None)
 
     def test_dst_id_explicit(self):
-        self.assertEquals(self.klass(dst_id=1111).dst_id, 1111)
+        self.assertEqual(self.klass(dst_id=1111).dst_id, 1111)
 
     @mock.patch('mitogen.context_id', 1234)
     def test_src_id_default(self):
-        self.assertEquals(self.klass().src_id, 1234)
+        self.assertEqual(self.klass().src_id, 1234)
 
     def test_src_id_explicit(self):
-        self.assertEquals(self.klass(src_id=4321).src_id, 4321)
+        self.assertEqual(self.klass(src_id=4321).src_id, 4321)
 
     @mock.patch('mitogen.context_id', 5555)
     def test_auth_id_default(self):
-        self.assertEquals(self.klass().auth_id, 5555)
+        self.assertEqual(self.klass().auth_id, 5555)
 
     def test_auth_id_explicit(self):
-        self.assertEquals(self.klass(auth_id=2222).auth_id, 2222)
+        self.assertEqual(self.klass(auth_id=2222).auth_id, 2222)
 
     def test_handle_default(self):
-        self.assertEquals(self.klass().handle, None)
+        self.assertEqual(self.klass().handle, None)
 
     def test_handle_explicit(self):
-        self.assertEquals(self.klass(handle=1234).handle, 1234)
+        self.assertEqual(self.klass(handle=1234).handle, 1234)
 
     def test_reply_to_default(self):
-        self.assertEquals(self.klass().reply_to, None)
+        self.assertEqual(self.klass().reply_to, None)
 
     def test_reply_to_explicit(self):
-        self.assertEquals(self.klass(reply_to=8888).reply_to, 8888)
+        self.assertEqual(self.klass(reply_to=8888).reply_to, 8888)
 
     def test_data_default(self):
         m = self.klass()
-        self.assertEquals(m.data, b(''))
+        self.assertEqual(m.data, b(''))
         self.assertTrue(isinstance(m.data, mitogen.core.BytesType))
 
     def test_data_explicit(self):
         m = self.klass(data=b('asdf'))
-        self.assertEquals(m.data, b('asdf'))
+        self.assertEqual(m.data, b('asdf'))
         self.assertTrue(isinstance(m.data, mitogen.core.BytesType))
 
     def test_data_hates_unicode(self):
@@ -66,62 +66,62 @@ class PackTest(testlib.TestCase):
     klass = mitogen.core.Message
 
     def test_header_format_sanity(self):
-        self.assertEquals(self.klass.HEADER_LEN,
+        self.assertEqual(self.klass.HEADER_LEN,
                           struct.calcsize(self.klass.HEADER_FMT))
 
     def test_header_length_correct(self):
         s = self.klass(dst_id=123, handle=123).pack()
-        self.assertEquals(len(s), self.klass.HEADER_LEN)
+        self.assertEqual(len(s), self.klass.HEADER_LEN)
 
     def test_magic(self):
         s = self.klass(dst_id=123, handle=123).pack()
         magic, = struct.unpack('>h', s[:2])
-        self.assertEquals(self.klass.HEADER_MAGIC, magic)
+        self.assertEqual(self.klass.HEADER_MAGIC, magic)
 
     def test_dst_id(self):
         s = self.klass(dst_id=123, handle=123).pack()
         dst_id, = struct.unpack('>L', s[2:6])
-        self.assertEquals(123, dst_id)
+        self.assertEqual(123, dst_id)
 
     def test_src_id(self):
         s = self.klass(src_id=5432, dst_id=123, handle=123).pack()
         src_id, = struct.unpack('>L', s[6:10])
-        self.assertEquals(5432, src_id)
+        self.assertEqual(5432, src_id)
 
     def test_auth_id(self):
         s = self.klass(auth_id=1919, src_id=5432, dst_id=123, handle=123).pack()
         auth_id, = struct.unpack('>L', s[10:14])
-        self.assertEquals(1919, auth_id)
+        self.assertEqual(1919, auth_id)
 
     def test_handle(self):
         s = self.klass(dst_id=123, handle=9999).pack()
         handle, = struct.unpack('>L', s[14:18])
-        self.assertEquals(9999, handle)
+        self.assertEqual(9999, handle)
 
     def test_reply_to(self):
         s = self.klass(dst_id=1231, handle=7777, reply_to=9132).pack()
         reply_to, = struct.unpack('>L', s[18:22])
-        self.assertEquals(9132, reply_to)
+        self.assertEqual(9132, reply_to)
 
     def test_data_length_empty(self):
         s = self.klass(dst_id=1231, handle=7777).pack()
         data_length, = struct.unpack('>L', s[22:26])
-        self.assertEquals(0, data_length)
+        self.assertEqual(0, data_length)
 
     def test_data_length_present(self):
         s = self.klass(dst_id=1231, handle=7777, data=b('hello')).pack()
         data_length, = struct.unpack('>L', s[22:26])
-        self.assertEquals(5, data_length)
+        self.assertEqual(5, data_length)
 
     def test_data_empty(self):
         s = self.klass(dst_id=1231, handle=7777).pack()
         data = s[26:]
-        self.assertEquals(b(''), data)
+        self.assertEqual(b(''), data)
 
     def test_data_present(self):
         s = self.klass(dst_id=11, handle=77, data=b('hello')).pack()
         data = s[26:]
-        self.assertEquals(b('hello'), data)
+        self.assertEqual(b('hello'), data)
 
 
 class IsDeadTest(testlib.TestCase):
@@ -141,15 +141,15 @@ class DeadTest(testlib.TestCase):
 
     def test_no_reason(self):
         msg = self.klass.dead()
-        self.assertEquals(msg.reply_to, mitogen.core.IS_DEAD)
+        self.assertEqual(msg.reply_to, mitogen.core.IS_DEAD)
         self.assertTrue(msg.is_dead)
-        self.assertEquals(msg.data, b(''))
+        self.assertEqual(msg.data, b(''))
 
     def test_with_reason(self):
         msg = self.klass.dead(reason=u'oh no')
-        self.assertEquals(msg.reply_to, mitogen.core.IS_DEAD)
+        self.assertEqual(msg.reply_to, mitogen.core.IS_DEAD)
         self.assertTrue(msg.is_dead)
-        self.assertEquals(msg.data, b('oh no'))
+        self.assertEqual(msg.data, b('oh no'))
 
 
 class EvilObject(object):
@@ -168,7 +168,7 @@ class PickledTest(testlib.TestCase):
 
     def test_bool(self):
         for b in True, False:
-            self.assertEquals(b, self.roundtrip(b))
+            self.assertEqual(b, self.roundtrip(b))
 
     @unittest.skipIf(condition=sys.version_info < (2, 6),
                       reason='bytearray missing on <2.6')
@@ -180,24 +180,24 @@ class PickledTest(testlib.TestCase):
 
     def test_bytes(self):
         by = b('123')
-        self.assertEquals(by, self.roundtrip(by))
+        self.assertEqual(by, self.roundtrip(by))
 
     def test_dict(self):
         d = {1: 2, u'a': 3, b('b'): 4, 'c': {}}
         roundtrip = self.roundtrip(d)
-        self.assertEquals(d, roundtrip)
+        self.assertEqual(d, roundtrip)
         self.assertTrue(isinstance(roundtrip, dict))
         for k in d:
             self.assertTrue(isinstance(roundtrip[k], type(d[k])))
 
     def test_int(self):
-        self.assertEquals(123, self.klass.pickled(123).unpickle())
+        self.assertEqual(123, self.klass.pickled(123).unpickle())
 
     def test_list(self):
         l = [1, u'b', b('c')]
         roundtrip = self.roundtrip(l)
         self.assertTrue(isinstance(roundtrip, list))
-        self.assertEquals(l, roundtrip)
+        self.assertEqual(l, roundtrip)
         for k in range(len(l)):
             self.assertTrue(isinstance(roundtrip[k], type(l[k])))
 
@@ -206,13 +206,13 @@ class PickledTest(testlib.TestCase):
     def test_long(self):
         l = long(0xffffffffffff)
         roundtrip = self.roundtrip(l)
-        self.assertEquals(l, roundtrip)
+        self.assertEqual(l, roundtrip)
         self.assertTrue(isinstance(roundtrip, long))
 
     def test_tuple(self):
         l = (1, u'b', b('c'))
         roundtrip = self.roundtrip(l)
-        self.assertEquals(l, roundtrip)
+        self.assertEqual(l, roundtrip)
         self.assertTrue(isinstance(roundtrip, tuple))
         for k in range(len(l)):
             self.assertTrue(isinstance(roundtrip[k], type(l[k])))
@@ -220,7 +220,7 @@ class PickledTest(testlib.TestCase):
     def test_unicode(self):
         u = u'abcd'
         roundtrip = self.roundtrip(u)
-        self.assertEquals(u, roundtrip)
+        self.assertEqual(u, roundtrip)
         self.assertTrue(isinstance(roundtrip, mitogen.core.UnicodeType))
 
     #### custom types. see also: types_test.py, call_error_test.py
@@ -233,31 +233,31 @@ class PickledTest(testlib.TestCase):
         v = mitogen.core.Blob(b('dave'))
         roundtrip = self.roundtrip(v)
         self.assertTrue(isinstance(roundtrip, mitogen.core.Blob))
-        self.assertEquals(b('dave'), roundtrip)
+        self.assertEqual(b('dave'), roundtrip)
 
     def test_blob_empty(self):
         v = mitogen.core.Blob(b(''))
         roundtrip = self.roundtrip(v)
         self.assertTrue(isinstance(roundtrip, mitogen.core.Blob))
-        self.assertEquals(b(''), v)
+        self.assertEqual(b(''), v)
 
     def test_secret_nonempty(self):
         s = mitogen.core.Secret(u'dave')
         roundtrip = self.roundtrip(s)
         self.assertTrue(isinstance(roundtrip, mitogen.core.Secret))
-        self.assertEquals(u'dave', roundtrip)
+        self.assertEqual(u'dave', roundtrip)
 
     def test_secret_empty(self):
         s = mitogen.core.Secret(u'')
         roundtrip = self.roundtrip(s)
         self.assertTrue(isinstance(roundtrip, mitogen.core.Secret))
-        self.assertEquals(u'', roundtrip)
+        self.assertEqual(u'', roundtrip)
 
     def test_call_error(self):
         ce = mitogen.core.CallError('nope')
         ce2 = self.assertRaises(mitogen.core.CallError,
             lambda: self.roundtrip(ce))
-        self.assertEquals(ce.args[0], ce2.args[0])
+        self.assertEqual(ce.args[0], ce2.args[0])
 
     def test_context(self):
         router = mitogen.master.Router()
@@ -265,7 +265,7 @@ class PickledTest(testlib.TestCase):
             c = router.context_by_id(1234)
             roundtrip = self.roundtrip(c)
             self.assertTrue(isinstance(roundtrip, mitogen.core.Context))
-            self.assertEquals(c.context_id, 1234)
+            self.assertEqual(c.context_id, 1234)
         finally:
             router.broker.shutdown()
             router.broker.join()
@@ -277,8 +277,8 @@ class PickledTest(testlib.TestCase):
             sender = recv.to_sender()
             roundtrip = self.roundtrip(sender, router=router)
             self.assertTrue(isinstance(roundtrip, mitogen.core.Sender))
-            self.assertEquals(roundtrip.context.context_id, mitogen.context_id)
+            self.assertEqual(roundtrip.context.context_id, mitogen.context_id)
-            self.assertEquals(roundtrip.dst_handle, sender.dst_handle)
+            self.assertEqual(roundtrip.dst_handle, sender.dst_handle)
         finally:
             router.broker.shutdown()
             router.broker.join()
@@ -299,15 +299,15 @@ class ReplyTest(testlib.TestCase):
         msg = self.klass(src_id=1234, reply_to=9191)
         router = mock.Mock()
         msg.reply(123, router=router)
-        self.assertEquals(1, router.route.call_count)
+        self.assertEqual(1, router.route.call_count)
 
     def test_reply_pickles_object(self):
         msg = self.klass(src_id=1234, reply_to=9191)
         router = mock.Mock()
         msg.reply(123, router=router)
         _, (reply,), _ = router.route.mock_calls[0]
-        self.assertEquals(reply.dst_id, 1234)
+        self.assertEqual(reply.dst_id, 1234)
-        self.assertEquals(reply.unpickle(), 123)
+        self.assertEqual(reply.unpickle(), 123)
 
     def test_reply_uses_preformatted_message(self):
         msg = self.klass(src_id=1234, reply_to=9191)
@@ -316,22 +316,22 @@ class ReplyTest(testlib.TestCase):
         msg.reply(my_reply, router=router)
         _, (reply,), _ = router.route.mock_calls[0]
         self.assertTrue(my_reply is reply)
-        self.assertEquals(reply.dst_id, 1234)
+        self.assertEqual(reply.dst_id, 1234)
-        self.assertEquals(reply.unpickle(), 4444)
+        self.assertEqual(reply.unpickle(), 4444)
 
     def test_reply_sets_dst_id(self):
         msg = self.klass(src_id=1234, reply_to=9191)
         router = mock.Mock()
         msg.reply(123, router=router)
         _, (reply,), _ = router.route.mock_calls[0]
-        self.assertEquals(reply.dst_id, 1234)
+        self.assertEqual(reply.dst_id, 1234)
 
     def test_reply_sets_handle(self):
         msg = self.klass(src_id=1234, reply_to=9191)
         router = mock.Mock()
         msg.reply(123, router=router)
         _, (reply,), _ = router.route.mock_calls[0]
-        self.assertEquals(reply.handle, 9191)
+        self.assertEqual(reply.handle, 9191)
 
 
 class UnpickleTest(testlib.TestCase):
@@ -343,13 +343,13 @@ class UnpickleTest(testlib.TestCase):
         m = self.klass.pickled(ce)
         ce2 = self.assertRaises(mitogen.core.CallError,
             lambda: m.unpickle())
-        self.assertEquals(ce.args[0], ce2.args[0])
+        self.assertEqual(ce.args[0], ce2.args[0])
 
     def test_no_throw(self):
         ce = mitogen.core.CallError('nope')
         m = self.klass.pickled(ce)
         ce2 = m.unpickle(throw=False)
-        self.assertEquals(ce.args[0], ce2.args[0])
+        self.assertEqual(ce.args[0], ce2.args[0])
 
     def test_throw_dead(self):
         m = self.klass.pickled('derp', reply_to=mitogen.core.IS_DEAD)
@@ -358,7 +358,7 @@ class UnpickleTest(testlib.TestCase):
 
     def test_no_throw_dead(self):
         m = self.klass.pickled('derp', reply_to=mitogen.core.IS_DEAD)
-        self.assertEquals('derp', m.unpickle(throw_dead=False))
+        self.assertEqual('derp', m.unpickle(throw_dead=False))
 
 
 class UnpickleCompatTest(testlib.TestCase):

tests/minify_test.py

@@ -69,7 +69,7 @@ class MitogenCoreTest(testlib.TestCase):
         compile(minified, name, 'exec')
 
     def _test_line_counts_match(self, original, minified):
-        self.assertEquals(original.count('\n'),
+        self.assertEqual(original.count('\n'),
                           minified.count('\n'))
 
     def _test_non_blank_lines_match(self, name, original, minified):

tests/mitogen_protocol_test.py

@@ -24,6 +24,6 @@ class ReceiveOneTest(testlib.TestCase):
         protocol.on_receive(broker, junk)
         capture.stop()
 
-        self.assertEquals(1, stream.on_disconnect.call_count)
+        self.assertEqual(1, stream.on_disconnect.call_count)
         expect = self.klass.corrupt_msg % (stream.name, junk)
         self.assertTrue(expect in capture.raw())

tests/module_finder_test.py

@@ -21,7 +21,7 @@ class ReprTest(testlib.TestCase):
     klass = mitogen.master.ModuleFinder
 
     def test_simple(self):
-        self.assertEquals('ModuleFinder()', repr(self.klass()))
+        self.assertEqual('ModuleFinder()', repr(self.klass()))
 
 
 class IsStdlibNameTest(testlib.TestCase):
@@ -58,10 +58,10 @@ class GetMainModuleDefectivePython3x(testlib.TestCase):
         return self.klass().find(fullname)
 
     def test_builtin(self):
-        self.assertEquals(None, self.call('sys'))
+        self.assertEqual(None, self.call('sys'))
 
     def test_not_main(self):
-        self.assertEquals(None, self.call('mitogen'))
+        self.assertEqual(None, self.call('mitogen'))
 
     def test_main(self):
         import __main__
@@ -69,10 +69,10 @@ class GetMainModuleDefectivePython3x(testlib.TestCase):
         path, source, is_pkg = self.call('__main__')
         self.assertTrue(path is not None)
         self.assertTrue(os.path.exists(path))
-        self.assertEquals(path, __main__.__file__)
+        self.assertEqual(path, __main__.__file__)
         fp = open(path, 'rb')
         try:
-            self.assertEquals(source, fp.read())
+            self.assertEqual(source, fp.read())
         finally:
             fp.close()
         self.assertFalse(is_pkg)
@@ -86,24 +86,24 @@ class PkgutilMethodTest(testlib.TestCase):
 
     def test_empty_source_pkg(self):
         path, src, is_pkg = self.call('module_finder_testmod')
-        self.assertEquals(path,
+        self.assertEqual(path,
             os.path.join(MODS_DIR, 'module_finder_testmod/__init__.py'))
-        self.assertEquals(mitogen.core.b(''), src)
+        self.assertEqual(mitogen.core.b(''), src)
         self.assertTrue(is_pkg)
 
     def test_empty_source_module(self):
         path, src, is_pkg = self.call('module_finder_testmod.empty_mod')
-        self.assertEquals(path,
+        self.assertEqual(path,
             os.path.join(MODS_DIR, 'module_finder_testmod/empty_mod.py'))
-        self.assertEquals(mitogen.core.b(''), src)
+        self.assertEqual(mitogen.core.b(''), src)
         self.assertFalse(is_pkg)
 
     def test_regular_mod(self):
         from module_finder_testmod import regular_mod
         path, src, is_pkg = self.call('module_finder_testmod.regular_mod')
-        self.assertEquals(path,
+        self.assertEqual(path,
             os.path.join(MODS_DIR, 'module_finder_testmod/regular_mod.py'))
-        self.assertEquals(mitogen.core.to_text(src),
+        self.assertEqual(mitogen.core.to_text(src),
                           inspect.getsource(regular_mod))
         self.assertFalse(is_pkg)
 
@@ -117,14 +117,15 @@ class SysModulesMethodTest(testlib.TestCase):
     def test_main(self):
         import __main__
         path, src, is_pkg = self.call('__main__')
-        self.assertEquals(path, __main__.__file__)
+        self.assertEqual(path, __main__.__file__)
 
         # linecache adds a line ending to the final line if one is missing.
-        actual_src = open(path, 'rb').read()
+        with open(path, 'rb') as f:
+            actual_src = f.read()
         if actual_src[-1:] != b('\n'):
             actual_src += b('\n')
 
-        self.assertEquals(src, actual_src)
+        self.assertEqual(src, actual_src)
         self.assertFalse(is_pkg)
 
     def test_dylib_fails(self):
@@ -165,16 +166,17 @@ class GetModuleViaParentEnumerationTest(testlib.TestCase):
         import pkg_like_plumbum.colors
         path, src, is_pkg = self.call('pkg_like_plumbum.colors')
         modpath = os.path.join(MODS_DIR, 'pkg_like_plumbum/colors.py')
-        self.assertEquals(path, modpath)
+        self.assertEqual(path, modpath)
 
-        self.assertEquals(src, open(modpath, 'rb').read())
+        with open(modpath, 'rb') as f:
+            self.assertEqual(src, f.read())
         self.assertFalse(is_pkg)
 
     def test_ansible_module_utils_distro_succeeds(self):
         # #590: a package that turns itself into a module.
         import pkg_like_ansible.module_utils.distro as d
-        self.assertEquals(d.I_AM, "the module that replaced the package")
+        self.assertEqual(d.I_AM, "the module that replaced the package")
-        self.assertEquals(
+        self.assertEqual(
             sys.modules['pkg_like_ansible.module_utils.distro'].__name__,
             'pkg_like_ansible.module_utils.distro._distro'
         )
@@ -183,9 +185,10 @@ class GetModuleViaParentEnumerationTest(testlib.TestCase):
         path, src, is_pkg = self.call('pkg_like_ansible.module_utils.distro')
         modpath = os.path.join(MODS_DIR,
             'pkg_like_ansible/module_utils/distro/__init__.py')
-        self.assertEquals(path, modpath)
+        self.assertEqual(path, modpath)
-        self.assertEquals(src, open(modpath, 'rb').read())
+        with open(modpath, 'rb') as f:
-        self.assertEquals(is_pkg, True)
+            self.assertEqual(src, f.read())
+        self.assertEqual(is_pkg, True)
 
         # ensure we can resolve a child of the subpackage.
         path, src, is_pkg = self.call(
@@ -193,16 +196,17 @@ class GetModuleViaParentEnumerationTest(testlib.TestCase):
         )
         modpath = os.path.join(MODS_DIR,
             'pkg_like_ansible/module_utils/distro/_distro.py')
-        self.assertEquals(path, modpath)
+        self.assertEqual(path, modpath)
-        self.assertEquals(src, open(modpath, 'rb').read())
+        with open(modpath, 'rb') as f:
-        self.assertEquals(is_pkg, False)
+            self.assertEqual(src, f.read())
+        self.assertEqual(is_pkg, False)
 
     def test_ansible_module_utils_system_distro_succeeds(self):
         # #590: a package that turns itself into a module.
         # #590: a package that turns itself into a module.
         import pkg_like_ansible.module_utils.sys_distro as d
-        self.assertEquals(d.I_AM, "the system module that replaced the subpackage")
+        self.assertEqual(d.I_AM, "the system module that replaced the subpackage")
-        self.assertEquals(
+        self.assertEqual(
             sys.modules['pkg_like_ansible.module_utils.sys_distro'].__name__,
             'system_distro'
         )
@@ -211,9 +215,10 @@ class GetModuleViaParentEnumerationTest(testlib.TestCase):
         path, src, is_pkg = self.call('pkg_like_ansible.module_utils.sys_distro')
         modpath = os.path.join(MODS_DIR,
             'pkg_like_ansible/module_utils/sys_distro/__init__.py')
-        self.assertEquals(path, modpath)
+        self.assertEqual(path, modpath)
-        self.assertEquals(src, open(modpath, 'rb').read())
+        with open(modpath, 'rb') as f:
-        self.assertEquals(is_pkg, True)
+            self.assertEqual(src, f.read())
+        self.assertEqual(is_pkg, True)
 
         # ensure we can resolve a child of the subpackage.
         path, src, is_pkg = self.call(
@@ -221,9 +226,10 @@ class GetModuleViaParentEnumerationTest(testlib.TestCase):
         )
         modpath = os.path.join(MODS_DIR,
             'pkg_like_ansible/module_utils/sys_distro/_distro.py')
-        self.assertEquals(path, modpath)
+        self.assertEqual(path, modpath)
-        self.assertEquals(src, open(modpath, 'rb').read())
+        with open(modpath, 'rb') as f:
-        self.assertEquals(is_pkg, False)
+            self.assertEqual(src, f.read())
+        self.assertEqual(is_pkg, False)
 
 
 class ResolveRelPathTest(testlib.TestCase):
@@ -233,21 +239,21 @@ class ResolveRelPathTest(testlib.TestCase):
         return self.klass().resolve_relpath(fullname, level)
 
     def test_empty(self):
-        self.assertEquals('', self.call('', 0))
+        self.assertEqual('', self.call('', 0))
-        self.assertEquals('', self.call('', 1))
+        self.assertEqual('', self.call('', 1))
-        self.assertEquals('', self.call('', 2))
+        self.assertEqual('', self.call('', 2))
 
     def test_absolute(self):
-        self.assertEquals('', self.call('email.utils', 0))
+        self.assertEqual('', self.call('email.utils', 0))
 
     def test_rel1(self):
-        self.assertEquals('email.', self.call('email.utils', 1))
+        self.assertEqual('email.', self.call('email.utils', 1))
 
     def test_rel2(self):
-        self.assertEquals('', self.call('email.utils', 2))
+        self.assertEqual('', self.call('email.utils', 2))
 
     def test_rel_overflow(self):
-        self.assertEquals('', self.call('email.utils', 3))
+        self.assertEqual('', self.call('email.utils', 3))
 
 
 class FakeSshTest(testlib.TestCase):
@@ -259,7 +265,7 @@ class FakeSshTest(testlib.TestCase):
     def test_simple(self):
         import mitogen.fakessh
         related = self.call('mitogen.fakessh')
-        self.assertEquals(related, [
+        self.assertEqual(related, [
             'mitogen',
             'mitogen.core',
             'mitogen.master',
@@ -291,7 +297,7 @@ class FindRelatedTest(testlib.TestCase):
     def test_simple(self):
         import mitogen.fakessh
         related = self.call('mitogen.fakessh')
-        self.assertEquals(set(related), self.SIMPLE_EXPECT)
+        self.assertEqual(set(related), self.SIMPLE_EXPECT)
 
 
 if sys.version_info > (2, 6):
@@ -332,7 +338,7 @@ if sys.version_info > (2, 6):
         def test_django_db(self):
             import django.db
             related = self.call('django.db')
-            self.assertEquals(related, [
+            self.assertEqual(related, [
                 'django',
                 'django.core',
                 'django.core.signals',
@@ -344,7 +350,7 @@ if sys.version_info > (2, 6):
             import django.db.models
             related = self.call('django.db.models')
             self.maxDiff=None
-            self.assertEquals(related, [
+            self.assertEqual(related, [
                 u'django',
                 u'django.core.exceptions',
                 u'django.db',
@@ -374,7 +380,7 @@ if sys.version_info > (2, 6):
         def test_django_db(self):
             import django.db
             related = self.call('django.db')
-            self.assertEquals(related, [
+            self.assertEqual(related, [
                 u'django',
                 u'django.conf',
                 u'django.conf.global_settings',
@@ -401,7 +407,7 @@ if sys.version_info > (2, 6):
         def test_django_db_models(self):
             import django.db.models
             related = self.call('django.db.models')
-            self.assertEquals(related, [
+            self.assertEqual(related, [
                 u'django',
                 u'django.conf',
                 u'django.conf.global_settings',

tests/os_fork_test.py

@@ -13,7 +13,7 @@ class CorkTest(testlib.RouterMixin, testlib.TestCase):
     def test_cork_broker(self):
         latch = mitogen.core.Latch()
         self.broker.defer(self.ping, latch)
-        self.assertEquals('pong', latch.get())
+        self.assertEqual('pong', latch.get())
 
         corker = self.klass(brokers=(self.broker,))
         corker.cork()
@@ -23,14 +23,14 @@ class CorkTest(testlib.RouterMixin, testlib.TestCase):
         self.assertRaises(mitogen.core.TimeoutError,
             lambda: latch.get(timeout=0.5))
         corker.uncork()
-        self.assertEquals('pong', latch.get())
+        self.assertEqual('pong', latch.get())
 
     def test_cork_pool(self):
         pool = mitogen.service.Pool(self.router, services=(), size=4)
         try:
             latch = mitogen.core.Latch()
             pool.defer(self.ping, latch)
-            self.assertEquals('pong', latch.get())
+            self.assertEqual('pong', latch.get())
 
             corker = self.klass(pools=(pool,))
             corker.cork()
@@ -40,6 +40,6 @@ class CorkTest(testlib.RouterMixin, testlib.TestCase):
             self.assertRaises(mitogen.core.TimeoutError,
                 lambda: latch.get(timeout=0.5))
             corker.uncork()
-            self.assertEquals('pong', latch.get())
+            self.assertEqual('pong', latch.get())
         finally:
             pool.stop(join=True)

tests/parent_test.py

@@ -69,20 +69,20 @@ class GetDefaultRemoteNameTest(testlib.TestCase):
         mock_gethostname.return_value = 'box'
         mock_getuser.return_value = 'ECORP\\Administrator'
         mock_getpid.return_value = 123
-        self.assertEquals("ECORP_Administrator@box:123", self.func())
+        self.assertEqual("ECORP_Administrator@box:123", self.func())
 
 
 class ReturncodeToStrTest(testlib.TestCase):
     func = staticmethod(mitogen.parent.returncode_to_str)
 
     def test_return_zero(self):
-        self.assertEquals(self.func(0), 'exited with return code 0')
+        self.assertEqual(self.func(0), 'exited with return code 0')
 
     def test_return_one(self):
-        self.assertEquals(self.func(1), 'exited with return code 1')
+        self.assertEqual(self.func(1), 'exited with return code 1')
 
     def test_sigkill(self):
-        self.assertEquals(self.func(-signal.SIGKILL),
+        self.assertEqual(self.func(-signal.SIGKILL),
             'exited due to signal %s (SIGKILL)' % (int(signal.SIGKILL),)
         )
 
@@ -107,7 +107,7 @@ class ReapChildTest(testlib.RouterMixin, testlib.TestCase):
         e = self.assertRaises(OSError,
             lambda: os.kill(conn.proc.pid, 0)
         )
-        self.assertEquals(e.args[0], errno.ESRCH)
+        self.assertEqual(e.args[0], errno.ESRCH)
 
 
 class StreamErrorTest(testlib.RouterMixin, testlib.TestCase):
@@ -186,7 +186,7 @@ class OpenPtyTest(testlib.TestCase):
         e = self.assertRaises(mitogen.core.StreamError,
                               lambda: self.func())
         msg = mitogen.parent.OPENPTY_MSG % (openpty.side_effect,)
-        self.assertEquals(e.args[0], msg)
+        self.assertEqual(e.args[0], msg)
 
     @unittest.skipIf(condition=(os.uname()[0] != 'Linux'),
                       reason='Fallback only supported on Linux')
@@ -196,12 +196,12 @@ class OpenPtyTest(testlib.TestCase):
         master_fp, slave_fp = self.func()
         try:
             st = os.fstat(master_fp.fileno())
-            self.assertEquals(5, os.major(st.st_rdev))
+            self.assertEqual(5, os.major(st.st_rdev))
             flags = fcntl.fcntl(master_fp.fileno(), fcntl.F_GETFL)
             self.assertTrue(flags & os.O_RDWR)
 
             st = os.fstat(slave_fp.fileno())
-            self.assertEquals(136, os.major(st.st_rdev))
+            self.assertEqual(136, os.major(st.st_rdev))
             flags = fcntl.fcntl(slave_fp.fileno(), fcntl.F_GETFL)
             self.assertTrue(flags & os.O_RDWR)
         finally:
@@ -218,7 +218,7 @@ class DisconnectTest(testlib.RouterMixin, testlib.TestCase):
         c1.shutdown(wait=True)
         e = self.assertRaises(mitogen.core.ChannelError,
             lambda: recv.get())
-        self.assertEquals(e.args[0], self.router.respondent_disconnect_msg)
+        self.assertEqual(e.args[0], self.router.respondent_disconnect_msg)
 
     def test_indirect_child_disconnected(self):
         # Achievement unlocked: process notices an indirectly connected child
@@ -229,7 +229,7 @@ class DisconnectTest(testlib.RouterMixin, testlib.TestCase):
         c2.shutdown(wait=True)
         e = self.assertRaises(mitogen.core.ChannelError,
             lambda: recv.get())
-        self.assertEquals(e.args[0], self.router.respondent_disconnect_msg)
+        self.assertEqual(e.args[0], self.router.respondent_disconnect_msg)
 
     def test_indirect_child_intermediary_disconnected(self):
         # Battlefield promotion: process notices indirect child disconnected
@@ -240,7 +240,7 @@ class DisconnectTest(testlib.RouterMixin, testlib.TestCase):
         c1.shutdown(wait=True)
         e = self.assertRaises(mitogen.core.ChannelError,
             lambda: recv.get())
-        self.assertEquals(e.args[0], self.router.respondent_disconnect_msg)
+        self.assertEqual(e.args[0], self.router.respondent_disconnect_msg)
 
     def test_near_sibling_disconnected(self):
         # Hard mode: child notices sibling connected to same parent has

tests/podman_test.py

@@ -24,7 +24,7 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
             'container_name',
             stream.conn.options.python_path
         ]
-        self.assertEquals(argv[:len(expected_call)], expected_call)
+        self.assertEqual(argv[:len(expected_call)], expected_call)
 
         context = self.router.podman(
             container='container_name',
@@ -43,4 +43,4 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
             'container_name',
             stream.conn.options.python_path
         ]
-        self.assertEquals(argv[:len(expected_call)], expected_call)
+        self.assertEqual(argv[:len(expected_call)], expected_call)

tests/poller_test.py

@@ -86,69 +86,69 @@ class PollerMixin(object):
 class ReceiveStateMixin(PollerMixin, SockMixin):
     def test_start_receive_adds_reader(self):
         self.p.start_receive(self.l1)
-        self.assertEquals([(self.l1, self.l1)], self.p.readers)
+        self.assertEqual([(self.l1, self.l1)], self.p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
 
     def test_start_receive_adds_reader_data(self):
         data = object()
         self.p.start_receive(self.l1, data=data)
-        self.assertEquals([(self.l1, data)], self.p.readers)
+        self.assertEqual([(self.l1, data)], self.p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
 
     def test_stop_receive(self):
         self.p.start_receive(self.l1)
         self.p.stop_receive(self.l1)
-        self.assertEquals([], self.p.readers)
+        self.assertEqual([], self.p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
 
     def test_stop_receive_dup(self):
         self.p.start_receive(self.l1)
         self.p.stop_receive(self.l1)
-        self.assertEquals([], self.p.readers)
+        self.assertEqual([], self.p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
         self.p.stop_receive(self.l1)
-        self.assertEquals([], self.p.readers)
+        self.assertEqual([], self.p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
 
     def test_stop_receive_noexist(self):
         p = self.klass()
         p.stop_receive(123)  # should not fail
-        self.assertEquals([], p.readers)
+        self.assertEqual([], p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
 
 
 class TransmitStateMixin(PollerMixin, SockMixin):
     def test_start_transmit_adds_writer(self):
         self.p.start_transmit(self.r1)
-        self.assertEquals([], self.p.readers)
+        self.assertEqual([], self.p.readers)
-        self.assertEquals([(self.r1, self.r1)], self.p.writers)
+        self.assertEqual([(self.r1, self.r1)], self.p.writers)
 
     def test_start_transmit_adds_writer_data(self):
         data = object()
         self.p.start_transmit(self.r1, data=data)
-        self.assertEquals([], self.p.readers)
+        self.assertEqual([], self.p.readers)
-        self.assertEquals([(self.r1, data)], self.p.writers)
+        self.assertEqual([(self.r1, data)], self.p.writers)
 
     def test_stop_transmit(self):
         self.p.start_transmit(self.r1)
         self.p.stop_transmit(self.r1)
-        self.assertEquals([], self.p.readers)
+        self.assertEqual([], self.p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
 
     def test_stop_transmit_dup(self):
         self.p.start_transmit(self.r1)
         self.p.stop_transmit(self.r1)
-        self.assertEquals([], self.p.readers)
+        self.assertEqual([], self.p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
         self.p.stop_transmit(self.r1)
-        self.assertEquals([], self.p.readers)
+        self.assertEqual([], self.p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
 
     def test_stop_transmit_noexist(self):
         p = self.klass()
         p.stop_receive(123)  # should not fail
-        self.assertEquals([], p.readers)
+        self.assertEqual([], p.readers)
-        self.assertEquals([], self.p.writers)
+        self.assertEqual([], self.p.writers)
 
 
 class CloseMixin(PollerMixin):
@@ -163,42 +163,42 @@ class CloseMixin(PollerMixin):
 class PollMixin(PollerMixin):
     def test_empty_zero_timeout(self):
         t0 = mitogen.core.now()
-        self.assertEquals([], list(self.p.poll(0)))
+        self.assertEqual([], list(self.p.poll(0)))
         self.assertTrue((mitogen.core.now() - t0) < .1)  # vaguely reasonable
 
     def test_empty_small_timeout(self):
         t0 = mitogen.core.now()
-        self.assertEquals([], list(self.p.poll(.2)))
+        self.assertEqual([], list(self.p.poll(.2)))
         self.assertTrue((mitogen.core.now() - t0) >= .2)
 
 
 class ReadableMixin(PollerMixin, SockMixin):
     def test_unreadable(self):
         self.p.start_receive(self.l1)
-        self.assertEquals([], list(self.p.poll(0)))
+        self.assertEqual([], list(self.p.poll(0)))
 
     def test_readable_before_add(self):
         self.fill(self.r1)
         self.p.start_receive(self.l1)
-        self.assertEquals([self.l1], list(self.p.poll(0)))
+        self.assertEqual([self.l1], list(self.p.poll(0)))
 
     def test_readable_after_add(self):
         self.p.start_receive(self.l1)
         self.fill(self.r1)
-        self.assertEquals([self.l1], list(self.p.poll(0)))
+        self.assertEqual([self.l1], list(self.p.poll(0)))
 
     def test_readable_then_unreadable(self):
         self.fill(self.r1)
         self.p.start_receive(self.l1)
-        self.assertEquals([self.l1], list(self.p.poll(0)))
+        self.assertEqual([self.l1], list(self.p.poll(0)))
         self.drain(self.l1)
-        self.assertEquals([], list(self.p.poll(0)))
+        self.assertEqual([], list(self.p.poll(0)))
 
     def test_readable_data(self):
         data = object()
         self.fill(self.r1)
         self.p.start_receive(self.l1, data=data)
-        self.assertEquals([data], list(self.p.poll(0)))
+        self.assertEqual([data], list(self.p.poll(0)))
 
     def test_double_readable_data(self):
         data1 = object()
@@ -207,35 +207,35 @@ class ReadableMixin(PollerMixin, SockMixin):
         self.p.start_receive(self.l1, data=data1)
         self.fill(self.r2)
         self.p.start_receive(self.l2, data=data2)
-        self.assertEquals(set([data1, data2]), set(self.p.poll(0)))
+        self.assertEqual(set([data1, data2]), set(self.p.poll(0)))
 
 
 class WriteableMixin(PollerMixin, SockMixin):
     def test_writeable(self):
         self.p.start_transmit(self.r1)
-        self.assertEquals([self.r1], list(self.p.poll(0)))
+        self.assertEqual([self.r1], list(self.p.poll(0)))
 
     def test_writeable_data(self):
         data = object()
         self.p.start_transmit(self.r1, data=data)
-        self.assertEquals([data], list(self.p.poll(0)))
+        self.assertEqual([data], list(self.p.poll(0)))
 
     def test_unwriteable_before_add(self):
         self.fill(self.r1)
         self.p.start_transmit(self.r1)
-        self.assertEquals([], list(self.p.poll(0)))
+        self.assertEqual([], list(self.p.poll(0)))
 
     def test_unwriteable_after_add(self):
         self.p.start_transmit(self.r1)
         self.fill(self.r1)
-        self.assertEquals([], list(self.p.poll(0)))
+        self.assertEqual([], list(self.p.poll(0)))
 
     def test_unwriteable_then_writeable(self):
         self.fill(self.r1)
         self.p.start_transmit(self.r1)
-        self.assertEquals([], list(self.p.poll(0)))
+        self.assertEqual([], list(self.p.poll(0)))
         self.drain(self.l1)
-        self.assertEquals([self.r1], list(self.p.poll(0)))
+        self.assertEqual([self.r1], list(self.p.poll(0)))
 
     def test_double_unwriteable_then_Writeable(self):
         self.fill(self.r1)
@@ -244,13 +244,13 @@ class WriteableMixin(PollerMixin, SockMixin):
         self.fill(self.r2)
         self.p.start_transmit(self.r2)
 
-        self.assertEquals([], list(self.p.poll(0)))
+        self.assertEqual([], list(self.p.poll(0)))
 
         self.drain(self.l1)
-        self.assertEquals([self.r1], list(self.p.poll(0)))
+        self.assertEqual([self.r1], list(self.p.poll(0)))
 
         self.drain(self.l2)
-        self.assertEquals(set([self.r1, self.r2]), set(self.p.poll(0)))
+        self.assertEqual(set([self.r1, self.r2]), set(self.p.poll(0)))
 
 
 class MutateDuringYieldMixin(PollerMixin, SockMixin):
@@ -262,13 +262,13 @@ class MutateDuringYieldMixin(PollerMixin, SockMixin):
         self.p.start_receive(self.r1)
         p = self.p.poll(0)
         self.p.stop_receive(self.r1)
-        self.assertEquals([], list(p))
+        self.assertEqual([], list(p))
 
     def test_one_writeable_removed_before_yield(self):
         self.p.start_transmit(self.r1)
         p = self.p.poll(0)
         self.p.stop_transmit(self.r1)
-        self.assertEquals([], list(p))
+        self.assertEqual([], list(p))
 
     def test_one_readable_readded_before_yield(self):
         # fd removed, closed, another fd opened, gets same fd number, re-added.
@@ -278,7 +278,7 @@ class MutateDuringYieldMixin(PollerMixin, SockMixin):
         p = self.p.poll(0)
         self.p.stop_receive(self.r1)
         self.p.start_receive(self.r1)
-        self.assertEquals([], list(p))
+        self.assertEqual([], list(p))
 
     def test_one_readable_readded_during_yield(self):
         self.fill(self.l1)
@@ -299,7 +299,7 @@ class MutateDuringYieldMixin(PollerMixin, SockMixin):
 
         # the start_receive() may be for a totally new underlying file object,
         # the live loop iteration must not yield any buffered readiness event.
-        self.assertEquals([], list(p))
+        self.assertEqual([], list(p))
 
 
 class FileClosedMixin(PollerMixin, SockMixin):
@@ -308,10 +308,10 @@ class FileClosedMixin(PollerMixin, SockMixin):
 
     def test_writeable_then_closed(self):
         self.p.start_transmit(self.r1)
-        self.assertEquals([self.r1], list(self.p.poll(0)))
+        self.assertEqual([self.r1], list(self.p.poll(0)))
         self.close_socks()
         try:
-            self.assertEquals([], list(self.p.poll(0)))
+            self.assertEqual([], list(self.p.poll(0)))
         except select.error:
             # a crash is also reasonable here.
             pass
@@ -321,7 +321,7 @@ class FileClosedMixin(PollerMixin, SockMixin):
         p = self.p.poll(0)
         self.close_socks()
         try:
-            self.assertEquals([], list(p))
+            self.assertEqual([], list(p))
         except select.error:
             # a crash is also reasonable here.
             pass
@@ -329,10 +329,10 @@ class FileClosedMixin(PollerMixin, SockMixin):
     def test_readable_then_closed(self):
         self.fill(self.l1)
         self.p.start_receive(self.r1)
-        self.assertEquals([self.r1], list(self.p.poll(0)))
+        self.assertEqual([self.r1], list(self.p.poll(0)))
         self.close_socks()
         try:
-            self.assertEquals([], list(self.p.poll(0)))
+            self.assertEqual([], list(self.p.poll(0)))
         except select.error:
             # a crash is also reasonable here.
             pass
@@ -343,7 +343,7 @@ class FileClosedMixin(PollerMixin, SockMixin):
         p = self.p.poll(0)
         self.close_socks()
         try:
-            self.assertEquals([], list(p))
+            self.assertEqual([], list(p))
         except select.error:
             # a crash is also reasonable here.
             pass
@@ -355,10 +355,10 @@ class TtyHangupMixin(PollerMixin):
         master_fp, slave_fp = mitogen.parent.openpty()
         try:
             self.p.start_receive(master_fp.fileno())
-            self.assertEquals([], list(self.p.poll(0)))
+            self.assertEqual([], list(self.p.poll(0)))
             slave_fp.close()
             slave_fp = None
-            self.assertEquals([master_fp.fileno()], list(self.p.poll(0)))
+            self.assertEqual([master_fp.fileno()], list(self.p.poll(0)))
         finally:
             if slave_fp is not None:
                 slave_fp.close()
@@ -375,9 +375,9 @@ class DistinctDataMixin(PollerMixin, SockMixin):
         self.p.start_receive(self.r1, data=rdata)
         self.p.start_transmit(self.r1, data=wdata)
 
-        self.assertEquals([wdata], list(self.p.poll(0)))
+        self.assertEqual([wdata], list(self.p.poll(0)))
         self.fill(self.l1)  # r1 is now readable and writeable.
-        self.assertEquals(set([rdata, wdata]), set(self.p.poll(0)))
+        self.assertEqual(set([rdata, wdata]), set(self.p.poll(0)))
 
 
 class AllMixin(ReceiveStateMixin,

tests/polyfill_functions_test.py

@@ -13,27 +13,27 @@ class BytesPartitionTest(testlib.TestCase):
         self.assertTrue(isinstance(left, mitogen.core.BytesType))
         self.assertTrue(isinstance(sep, mitogen.core.BytesType))
         self.assertTrue(isinstance(right, mitogen.core.BytesType))
-        self.assertEquals(left, b('dave'))
+        self.assertEqual(left, b('dave'))
-        self.assertEquals(sep, b(''))
+        self.assertEqual(sep, b(''))
-        self.assertEquals(right, b(''))
+        self.assertEqual(right, b(''))
 
     def test_one_sep(self):
         left, sep, right = self.func(b('davexdave'), b('x'))
         self.assertTrue(isinstance(left, mitogen.core.BytesType))
         self.assertTrue(isinstance(sep, mitogen.core.BytesType))
         self.assertTrue(isinstance(right, mitogen.core.BytesType))
-        self.assertEquals(left, b('dave'))
+        self.assertEqual(left, b('dave'))
-        self.assertEquals(sep, b('x'))
+        self.assertEqual(sep, b('x'))
-        self.assertEquals(right, b('dave'))
+        self.assertEqual(right, b('dave'))
 
     def test_two_seps(self):
         left, sep, right = self.func(b('davexdavexdave'), b('x'))
         self.assertTrue(isinstance(left, mitogen.core.BytesType))
         self.assertTrue(isinstance(sep, mitogen.core.BytesType))
         self.assertTrue(isinstance(right, mitogen.core.BytesType))
-        self.assertEquals(left, b('dave'))
+        self.assertEqual(left, b('dave'))
-        self.assertEquals(sep, b('x'))
+        self.assertEqual(sep, b('x'))
-        self.assertEquals(right, b('davexdave'))
+        self.assertEqual(right, b('davexdave'))
 
 
 class StrPartitionTest(testlib.TestCase):
@@ -44,27 +44,27 @@ class StrPartitionTest(testlib.TestCase):
         self.assertTrue(isinstance(left, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(sep, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(right, mitogen.core.UnicodeType))
-        self.assertEquals(left, u'dave')
+        self.assertEqual(left, u'dave')
-        self.assertEquals(sep, u'')
+        self.assertEqual(sep, u'')
-        self.assertEquals(right, u'')
+        self.assertEqual(right, u'')
 
     def test_one_sep(self):
         left, sep, right = self.func(u'davexdave', u'x')
         self.assertTrue(isinstance(left, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(sep, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(right, mitogen.core.UnicodeType))
-        self.assertEquals(left, u'dave')
+        self.assertEqual(left, u'dave')
-        self.assertEquals(sep, u'x')
+        self.assertEqual(sep, u'x')
-        self.assertEquals(right, u'dave')
+        self.assertEqual(right, u'dave')
 
     def test_two_seps(self):
         left, sep, right = self.func(u'davexdavexdave', u'x')
         self.assertTrue(isinstance(left, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(sep, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(right, mitogen.core.UnicodeType))
-        self.assertEquals(left, u'dave')
+        self.assertEqual(left, u'dave')
-        self.assertEquals(sep, u'x')
+        self.assertEqual(sep, u'x')
-        self.assertEquals(right, u'davexdave')
+        self.assertEqual(right, u'davexdave')
 
 
 class StrRpartitionTest(testlib.TestCase):
@@ -75,24 +75,24 @@ class StrRpartitionTest(testlib.TestCase):
         self.assertTrue(isinstance(left, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(sep, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(right, mitogen.core.UnicodeType))
-        self.assertEquals(left, u'')
+        self.assertEqual(left, u'')
-        self.assertEquals(sep, u'')
+        self.assertEqual(sep, u'')
-        self.assertEquals(right, u'dave')
+        self.assertEqual(right, u'dave')
 
     def test_one_sep(self):
         left, sep, right = self.func(u'davexdave', u'x')
         self.assertTrue(isinstance(left, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(sep, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(right, mitogen.core.UnicodeType))
-        self.assertEquals(left, u'dave')
+        self.assertEqual(left, u'dave')
-        self.assertEquals(sep, u'x')
+        self.assertEqual(sep, u'x')
-        self.assertEquals(right, u'dave')
+        self.assertEqual(right, u'dave')
 
     def test_two_seps(self):
         left, sep, right = self.func(u'davexdavexdave', u'x')
         self.assertTrue(isinstance(left, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(sep, mitogen.core.UnicodeType))
         self.assertTrue(isinstance(right, mitogen.core.UnicodeType))
-        self.assertEquals(left, u'davexdave')
+        self.assertEqual(left, u'davexdave')
-        self.assertEquals(sep, u'x')
+        self.assertEqual(sep, u'x')
-        self.assertEquals(right, u'dave')
+        self.assertEqual(right, u'dave')

tests/push_file_service_test.py

@@ -43,9 +43,9 @@ class PropagateToTest(testlib.RouterMixin, testlib.TestCase):
             service.propagate_to(context=c2, path=path)
 
             s = c1.call(wait_for_file, path=path)
-            self.assertEquals(b('test'), s)
+            self.assertEqual(b('test'), s)
 
             s = c2.call(wait_for_file, path=path)
-            self.assertEquals(b('test'), s)
+            self.assertEqual(b('test'), s)
         finally:
             tf.close()

tests/reaper_test.py

@@ -14,13 +14,13 @@ class ReaperTest(testlib.TestCase):
         proc = mock.Mock()
         proc.poll.return_value = None
         reaper = mitogen.parent.Reaper(broker, proc, True, True)
-        self.assertEquals(50, int(1000 * reaper._calc_delay(0)))
+        self.assertEqual(50, int(1000 * reaper._calc_delay(0)))
-        self.assertEquals(86, int(1000 * reaper._calc_delay(1)))
+        self.assertEqual(86, int(1000 * reaper._calc_delay(1)))
-        self.assertEquals(147, int(1000 * reaper._calc_delay(2)))
+        self.assertEqual(147, int(1000 * reaper._calc_delay(2)))
-        self.assertEquals(254, int(1000 * reaper._calc_delay(3)))
+        self.assertEqual(254, int(1000 * reaper._calc_delay(3)))
-        self.assertEquals(437, int(1000 * reaper._calc_delay(4)))
+        self.assertEqual(437, int(1000 * reaper._calc_delay(4)))
-        self.assertEquals(752, int(1000 * reaper._calc_delay(5)))
+        self.assertEqual(752, int(1000 * reaper._calc_delay(5)))
-        self.assertEquals(1294, int(1000 * reaper._calc_delay(6)))
+        self.assertEqual(1294, int(1000 * reaper._calc_delay(6)))
 
     @mock.patch('os.kill')
     def test_reap_calls(self, kill):
@@ -31,20 +31,20 @@ class ReaperTest(testlib.TestCase):
         reaper = mitogen.parent.Reaper(broker, proc, True, True)
 
         reaper.reap()
-        self.assertEquals(0, kill.call_count)
+        self.assertEqual(0, kill.call_count)
 
         reaper.reap()
-        self.assertEquals(1, kill.call_count)
+        self.assertEqual(1, kill.call_count)
 
         reaper.reap()
         reaper.reap()
         reaper.reap()
-        self.assertEquals(1, kill.call_count)
+        self.assertEqual(1, kill.call_count)
 
         reaper.reap()
-        self.assertEquals(2, kill.call_count)
+        self.assertEqual(2, kill.call_count)
 
-        self.assertEquals(kill.mock_calls, [
+        self.assertEqual(kill.mock_calls, [
             mock.call(proc.pid, signal.SIGTERM),
             mock.call(proc.pid, signal.SIGKILL),
         ])

tests/receiver_test.py

@@ -26,7 +26,7 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
                 handle=recv.handle,
             )
         )
-        self.assertEquals('hi', recv.get().unpickle())
+        self.assertEqual('hi', recv.get().unpickle())
 
 
 class IterationTest(testlib.RouterMixin, testlib.TestCase):
@@ -34,8 +34,8 @@ class IterationTest(testlib.RouterMixin, testlib.TestCase):
         recv = mitogen.core.Receiver(self.router)
         fork = self.router.local()
         ret = fork.call_async(yield_stuff_then_die, recv.to_sender())
-        self.assertEquals(list(range(5)), list(m.unpickle() for m in recv))
+        self.assertEqual(list(range(5)), list(m.unpickle() for m in recv))
-        self.assertEquals(10, ret.get().unpickle())
+        self.assertEqual(10, ret.get().unpickle())
 
     def iter_and_put(self, recv, latch):
         try:
@@ -76,7 +76,7 @@ class CloseTest(testlib.RouterMixin, testlib.TestCase):
             raise latch.get()
         t.join()
         e = self.assertRaises(mitogen.core.ChannelError, throw)
-        self.assertEquals(e.args[0], mitogen.core.Receiver.closed_msg)
+        self.assertEqual(e.args[0], mitogen.core.Receiver.closed_msg)
 
     def test_closes_all(self):
         latch = mitogen.core.Latch()
@@ -92,7 +92,7 @@ class CloseTest(testlib.RouterMixin, testlib.TestCase):
             raise latch.get()
         for x in range(5):
             e = self.assertRaises(mitogen.core.ChannelError, throw)
-            self.assertEquals(e.args[0], mitogen.core.Receiver.closed_msg)
+            self.assertEqual(e.args[0], mitogen.core.Receiver.closed_msg)
         for t in ts:
             t.join()
 
@@ -118,7 +118,7 @@ class OnReceiveTest(testlib.RouterMixin, testlib.TestCase):
             raise latch.get()
         t.join()
         e = self.assertRaises(mitogen.core.ChannelError, throw)
-        self.assertEquals(e.args[0], sender.explicit_close_msg)
+        self.assertEqual(e.args[0], sender.explicit_close_msg)
 
     @unittest.skip(reason=(
         'Unclear if a asingle dead message received from remote should '
@@ -139,7 +139,7 @@ class OnReceiveTest(testlib.RouterMixin, testlib.TestCase):
             raise latch.get()
         for x in range(5):
             e = self.assertRaises(mitogen.core.ChannelError, throw)
-            self.assertEquals(e.args[0], mitogen.core.Receiver.closed_msg)
+            self.assertEqual(e.args[0], mitogen.core.Receiver.closed_msg)
         for t in ts:
             t.join()
 
@@ -152,4 +152,4 @@ class ToSenderTest(testlib.RouterMixin, testlib.TestCase):
     def test_returned_context(self):
         myself = self.router.myself()
         recv = self.klass(self.router)
-        self.assertEquals(myself, recv.to_sender().context)
+        self.assertEqual(myself, recv.to_sender().context)

tests/responder_test.py

@@ -24,7 +24,7 @@ class NeutralizeMainTest(testlib.RouterMixin, testlib.TestCase):
         args = [sys.executable, path]
         proc = subprocess.Popen(args, stderr=subprocess.PIPE)
         _, stderr = proc.communicate()
-        self.assertEquals(1, proc.returncode)
+        self.assertEqual(1, proc.returncode)
         expect = self.klass.main_guard_msg % (path,)
         self.assertTrue(expect in stderr.decode())
 
@@ -43,7 +43,7 @@ class NeutralizeMainTest(testlib.RouterMixin, testlib.TestCase):
 
     def test_mitogen_main(self):
         untouched = self.call("derp.py", self.HAS_MITOGEN_MAIN)
-        self.assertEquals(untouched, self.HAS_MITOGEN_MAIN)
+        self.assertEqual(untouched, self.HAS_MITOGEN_MAIN)
 
     HAS_EXEC_GUARD = mitogen.core.b(
         textwrap.dedent("""
@@ -63,7 +63,7 @@ class NeutralizeMainTest(testlib.RouterMixin, testlib.TestCase):
     def test_exec_guard(self):
         touched = self.call("derp.py", self.HAS_EXEC_GUARD)
         bits = touched.decode().split()
-        self.assertEquals(bits[-3:], ['def', 'main():', 'pass'])
+        self.assertEqual(bits[-3:], ['def', 'main():', 'pass'])
 
 
 class GoodModulesTest(testlib.RouterMixin, testlib.TestCase):
@@ -72,22 +72,22 @@ class GoodModulesTest(testlib.RouterMixin, testlib.TestCase):
         # package machinery damage.
         context = self.router.local()
 
-        self.assertEquals(256, context.call(plain_old_module.pow, 2, 8))
+        self.assertEqual(256, context.call(plain_old_module.pow, 2, 8))
         os_fork = int(sys.version_info < (2, 6))  # mitogen.os_fork
-        self.assertEquals(1+os_fork, self.router.responder.get_module_count)
+        self.assertEqual(1+os_fork, self.router.responder.get_module_count)
-        self.assertEquals(1+os_fork, self.router.responder.good_load_module_count)
+        self.assertEqual(1+os_fork, self.router.responder.good_load_module_count)
         self.assertLess(300, self.router.responder.good_load_module_size)
 
     def test_simple_pkg(self):
         # Ensure success of a simple package containing two submodules, one of
         # which imports the other.
         context = self.router.local()
-        self.assertEquals(3,
+        self.assertEqual(3,
             context.call(simple_pkg.a.subtract_one_add_two, 2))
         os_fork = int(sys.version_info < (2, 6))  # mitogen.os_fork
-        self.assertEquals(2+os_fork, self.router.responder.get_module_count)
+        self.assertEqual(2+os_fork, self.router.responder.get_module_count)
-        self.assertEquals(3+os_fork, self.router.responder.good_load_module_count)
+        self.assertEqual(3+os_fork, self.router.responder.good_load_module_count)
-        self.assertEquals(0, self.router.responder.bad_load_module_count)
+        self.assertEqual(0, self.router.responder.bad_load_module_count)
         self.assertLess(450, self.router.responder.good_load_module_size)
 
     def test_self_contained_program(self):
@@ -95,7 +95,7 @@ class GoodModulesTest(testlib.RouterMixin, testlib.TestCase):
         # successfully.
         args = [sys.executable, testlib.data_path('self_contained_program.py')]
         output = testlib.subprocess__check_output(args).decode()
-        self.assertEquals(output, "['__main__', 50]\n")
+        self.assertEqual(output, "['__main__', 50]\n")
 
 
 class BrokenModulesTest(testlib.TestCase):
@@ -116,17 +116,17 @@ class BrokenModulesTest(testlib.TestCase):
 
         responder = mitogen.master.ModuleResponder(router)
         responder._on_get_module(msg)
-        self.assertEquals(1, len(router._async_route.mock_calls))
+        self.assertEqual(1, len(router._async_route.mock_calls))
 
-        self.assertEquals(1, responder.get_module_count)
+        self.assertEqual(1, responder.get_module_count)
-        self.assertEquals(0, responder.good_load_module_count)
+        self.assertEqual(0, responder.good_load_module_count)
-        self.assertEquals(0, responder.good_load_module_size)
+        self.assertEqual(0, responder.good_load_module_size)
-        self.assertEquals(1, responder.bad_load_module_count)
+        self.assertEqual(1, responder.bad_load_module_count)
 
         call = router._async_route.mock_calls[0]
         msg, = call[1]
-        self.assertEquals(mitogen.core.LOAD_MODULE, msg.handle)
+        self.assertEqual(mitogen.core.LOAD_MODULE, msg.handle)
-        self.assertEquals(('non_existent_module', None, None, None, ()),
+        self.assertEqual(('non_existent_module', None, None, None, ()),
                           msg.unpickle())
 
     @unittest.skipIf(
@@ -154,15 +154,15 @@ class BrokenModulesTest(testlib.TestCase):
 
         responder = mitogen.master.ModuleResponder(router)
         responder._on_get_module(msg)
-        self.assertEquals(1, len(router._async_route.mock_calls))
+        self.assertEqual(1, len(router._async_route.mock_calls))
 
-        self.assertEquals(1, responder.get_module_count)
+        self.assertEqual(1, responder.get_module_count)
-        self.assertEquals(1, responder.good_load_module_count)
+        self.assertEqual(1, responder.good_load_module_count)
-        self.assertEquals(0, responder.bad_load_module_count)
+        self.assertEqual(0, responder.bad_load_module_count)
 
         call = router._async_route.mock_calls[0]
         msg, = call[1]
-        self.assertEquals(mitogen.core.LOAD_MODULE, msg.handle)
+        self.assertEqual(mitogen.core.LOAD_MODULE, msg.handle)
 
         tup = msg.unpickle()
         self.assertIsInstance(tup, tuple)
@@ -188,9 +188,9 @@ class ForwardTest(testlib.RouterMixin, testlib.TestCase):
         c2 = self.router.local(via=c1)
 
         os_fork = int(sys.version_info < (2, 6))
-        self.assertEquals(256, c2.call(plain_old_module.pow, 2, 8))
+        self.assertEqual(256, c2.call(plain_old_module.pow, 2, 8))
-        self.assertEquals(2+os_fork, self.router.responder.get_module_count)
+        self.assertEqual(2+os_fork, self.router.responder.get_module_count)
-        self.assertEquals(2+os_fork, self.router.responder.good_load_module_count)
+        self.assertEqual(2+os_fork, self.router.responder.good_load_module_count)
         self.assertLess(10000, self.router.responder.good_load_module_size)
         self.assertGreater(40000, self.router.responder.good_load_module_size)
 

tests/router_test.py

@@ -97,7 +97,7 @@ class SourceVerifyTest(testlib.RouterMixin, testlib.TestCase):
         e = self.assertRaises(mitogen.core.ChannelError,
             lambda: recv.get().unpickle()
         )
-        self.assertEquals(e.args[0], self.router.no_route_msg % (
+        self.assertEqual(e.args[0], self.router.no_route_msg % (
             1234,
             c1.context_id,
         ))
@@ -136,7 +136,7 @@ class PolicyTest(testlib.RouterMixin, testlib.TestCase):
         recv.to_sender().send(123)
         self.sync_with_broker()
         self.assertFalse(recv.empty())
-        self.assertEquals(123, recv.get().unpickle())
+        self.assertEqual(123, recv.get().unpickle())
 
     def test_refuse_all(self):
         # Deliver a message locally from child2 with the correct auth_id, but
@@ -174,7 +174,7 @@ class PolicyTest(testlib.RouterMixin, testlib.TestCase):
         # Verify CallError received by reply_to target.
         e = self.assertRaises(mitogen.core.ChannelError,
                               lambda: reply_target.get().unpickle())
-        self.assertEquals(e.args[0], self.router.refused_msg)
+        self.assertEqual(e.args[0], self.router.refused_msg)
 
 
 class CrashTest(testlib.BrokerMixin, testlib.TestCase):
@@ -225,7 +225,7 @@ class AddHandlerTest(testlib.TestCase):
             router.add_handler((lambda: None), handle=1234)
             e = self.assertRaises(mitogen.core.Error,
                 lambda: router.add_handler((lambda: None), handle=1234))
-            self.assertEquals(router.duplicate_handle_msg, e.args[0])
+            self.assertEqual(router.duplicate_handle_msg, e.args[0])
             router.del_handler(1234)
         finally:
             router.broker.shutdown()
@@ -246,9 +246,9 @@ class AddHandlerTest(testlib.TestCase):
 class MyselfTest(testlib.RouterMixin, testlib.TestCase):
     def test_myself(self):
         myself = self.router.myself()
-        self.assertEquals(myself.context_id, mitogen.context_id)
+        self.assertEqual(myself.context_id, mitogen.context_id)
         # TODO: context should know its own name too.
-        self.assertEquals(myself.name, 'self')
+        self.assertEqual(myself.name, 'self')
 
 
 class MessageSizeTest(testlib.BrokerMixin, testlib.TestCase):
@@ -281,7 +281,7 @@ class MessageSizeTest(testlib.BrokerMixin, testlib.TestCase):
         child = router.local()
         e = self.assertRaises(mitogen.core.ChannelError,
             lambda: child.call(zlib.crc32, ' '*8192))
-        self.assertEquals(e.args[0], expect)
+        self.assertEqual(e.args[0], expect)
 
         self.assertTrue(expect in logs.stop())
 
@@ -300,20 +300,20 @@ class MessageSizeTest(testlib.BrokerMixin, testlib.TestCase):
             lambda: recv.get().unpickle()
         )
         expect = router.too_large_msg % (4096,)
-        self.assertEquals(e.args[0], expect)
+        self.assertEqual(e.args[0], expect)
 
     def test_remote_configured(self):
         router = self.klass(broker=self.broker, max_message_size=64*1024)
         remote = router.local()
         size = remote.call(return_router_max_message_size)
-        self.assertEquals(size, 64*1024)
+        self.assertEqual(size, 64*1024)
 
     def test_remote_of_remote_configured(self):
         router = self.klass(broker=self.broker, max_message_size=64*1024)
         remote = router.local()
         remote2 = router.local(via=remote)
         size = remote2.call(return_router_max_message_size)
-        self.assertEquals(size, 64*1024)
+        self.assertEqual(size, 64*1024)
 
     def test_remote_exceeded(self):
         # Ensure new contexts receive a router with the same value.
@@ -336,14 +336,14 @@ class NoRouteTest(testlib.RouterMixin, testlib.TestCase):
         l1 = self.router.local()
         recv = l1.send_async(mitogen.core.Message(handle=999))
         msg = recv.get(throw_dead=False)
-        self.assertEquals(msg.is_dead, True)
+        self.assertEqual(msg.is_dead, True)
-        self.assertEquals(msg.src_id, l1.context_id)
+        self.assertEqual(msg.src_id, l1.context_id)
-        self.assertEquals(msg.data, self.router.invalid_handle_msg.encode())
+        self.assertEqual(msg.data, self.router.invalid_handle_msg.encode())
 
         recv = l1.send_async(mitogen.core.Message(handle=999))
         e = self.assertRaises(mitogen.core.ChannelError,
                               lambda: recv.get())
-        self.assertEquals(e.args[0], self.router.invalid_handle_msg)
+        self.assertEqual(e.args[0], self.router.invalid_handle_msg)
 
     def test_totally_invalid_context_returns_dead(self):
         recv = mitogen.core.Receiver(self.router)
@@ -354,9 +354,9 @@ class NoRouteTest(testlib.RouterMixin, testlib.TestCase):
         )
         self.router.route(msg)
         rmsg = recv.get(throw_dead=False)
-        self.assertEquals(rmsg.is_dead, True)
+        self.assertEqual(rmsg.is_dead, True)
-        self.assertEquals(rmsg.src_id, mitogen.context_id)
+        self.assertEqual(rmsg.src_id, mitogen.context_id)
-        self.assertEquals(rmsg.data, (self.router.no_route_msg % (
+        self.assertEqual(rmsg.data, (self.router.no_route_msg % (
             1234,
             mitogen.context_id,
         )).encode())
@@ -364,7 +364,7 @@ class NoRouteTest(testlib.RouterMixin, testlib.TestCase):
         self.router.route(msg)
         e = self.assertRaises(mitogen.core.ChannelError,
                               lambda: recv.get())
-        self.assertEquals(e.args[0], (self.router.no_route_msg % (
+        self.assertEqual(e.args[0], (self.router.no_route_msg % (
             1234,
             mitogen.context_id,
         )))
@@ -380,9 +380,9 @@ class NoRouteTest(testlib.RouterMixin, testlib.TestCase):
         )
         self.router.route(msg)
         rmsg = recv.get(throw_dead=False)
-        self.assertEquals(rmsg.is_dead, True)
+        self.assertEqual(rmsg.is_dead, True)
-        self.assertEquals(rmsg.src_id, mitogen.context_id)
+        self.assertEqual(rmsg.src_id, mitogen.context_id)
-        self.assertEquals(rmsg.data, (self.router.no_route_msg % (
+        self.assertEqual(rmsg.data, (self.router.no_route_msg % (
             l1.context_id,
             mitogen.context_id,
         )).encode())
@@ -390,7 +390,7 @@ class NoRouteTest(testlib.RouterMixin, testlib.TestCase):
         self.router.route(msg)
         e = self.assertRaises(mitogen.core.ChannelError,
                               lambda: recv.get())
-        self.assertEquals(e.args[0], self.router.no_route_msg % (
+        self.assertEqual(e.args[0], self.router.no_route_msg % (
             l1.context_id,
             mitogen.context_id,
         ))
@@ -465,7 +465,7 @@ class EgressIdsTest(testlib.RouterMixin, testlib.TestCase):
             # causes messages to be sent.
             pass
 
-        self.assertEquals(c1s.protocol.egress_ids, set([
+        self.assertEqual(c1s.protocol.egress_ids, set([
             mitogen.context_id,
             c2.context_id,
         ]))
@@ -496,11 +496,11 @@ class ShutdownTest(testlib.RouterMixin, testlib.TestCase):
 
         e = self.assertRaises(OSError,
             lambda: os.waitpid(pid, 0))
-        self.assertEquals(e.args[0], errno.ECHILD)
+        self.assertEqual(e.args[0], errno.ECHILD)
 
         e = self.assertRaises(mitogen.core.ChannelError,
             lambda: l1.call(os.getpid))
-        self.assertEquals(e.args[0], mitogen.core.Router.no_route_msg % (
+        self.assertEqual(e.args[0], mitogen.core.Router.no_route_msg % (
             l1.context_id,
             mitogen.context_id,
         ))
@@ -518,11 +518,11 @@ class ShutdownTest(testlib.RouterMixin, testlib.TestCase):
 
         e = self.assertRaises(OSError,
             lambda: os.waitpid(pid, 0))
-        self.assertEquals(e.args[0], errno.ECHILD)
+        self.assertEqual(e.args[0], errno.ECHILD)
 
         e = self.assertRaises(mitogen.core.ChannelError,
             lambda: l1.call(os.getpid))
-        self.assertEquals(e.args[0], mitogen.core.Router.no_route_msg % (
+        self.assertEqual(e.args[0], mitogen.core.Router.no_route_msg % (
             l1.context_id,
             mitogen.context_id,
         ))
@@ -545,11 +545,11 @@ class ShutdownTest(testlib.RouterMixin, testlib.TestCase):
 
         e = self.assertRaises(OSError,
             lambda: os.waitpid(pid, 0))
-        self.assertEquals(e.args[0], errno.ECHILD)
+        self.assertEqual(e.args[0], errno.ECHILD)
 
         e = self.assertRaises(mitogen.core.ChannelError,
             lambda: l1.call(os.getpid))
-        self.assertEquals(e.args[0], mitogen.core.Router.no_route_msg % (
+        self.assertEqual(e.args[0], mitogen.core.Router.no_route_msg % (
             l1.context_id,
             mitogen.context_id,
         ))
@@ -572,12 +572,12 @@ class ShutdownTest(testlib.RouterMixin, testlib.TestCase):
         for pid in pids:
             e = self.assertRaises(OSError,
                 lambda: os.waitpid(pid, 0))
-            self.assertEquals(e.args[0], errno.ECHILD)
+            self.assertEqual(e.args[0], errno.ECHILD)
 
         for ctx in l1, l2:
             e = self.assertRaises(mitogen.core.ChannelError,
                 lambda: ctx.call(os.getpid))
-            self.assertEquals(e.args[0], mitogen.core.Router.no_route_msg % (
+            self.assertEqual(e.args[0], mitogen.core.Router.no_route_msg % (
                 ctx.context_id,
                 mitogen.context_id,
             ))

tests/select_test.py

@@ -15,7 +15,7 @@ class BoolTest(testlib.RouterMixin, testlib.TestCase):
 
         latch.put(123)
         self.assertTrue(select)
-        self.assertEquals(123, select.get())
+        self.assertEqual(123, select.get())
         self.assertFalse(select)
 
     def test_receiver(self):
@@ -27,7 +27,7 @@ class BoolTest(testlib.RouterMixin, testlib.TestCase):
 
         recv._on_receive(mitogen.core.Message.pickled('123'))
         self.assertTrue(select)
-        self.assertEquals('123', select.get().unpickle())
+        self.assertEqual('123', select.get().unpickle())
         self.assertFalse(select)
 
 
@@ -38,34 +38,34 @@ class AddTest(testlib.RouterMixin, testlib.TestCase):
         latch = mitogen.core.Latch()
         select = self.klass()
         select.add(latch)
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(latch, select._receivers[0])
+        self.assertEqual(latch, select._receivers[0])
-        self.assertEquals(select._put, latch.notify)
+        self.assertEqual(select._put, latch.notify)
 
     def test_receiver(self):
         recv = mitogen.core.Receiver(self.router)
         select = self.klass()
         select.add(recv)
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(recv, select._receivers[0])
+        self.assertEqual(recv, select._receivers[0])
-        self.assertEquals(select._put, recv.notify)
+        self.assertEqual(select._put, recv.notify)
 
     def test_channel(self):
         context = self.router.local()
         chan = mitogen.core.Channel(self.router, context, 1234)
         select = self.klass()
         select.add(chan)
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(chan, select._receivers[0])
+        self.assertEqual(chan, select._receivers[0])
-        self.assertEquals(select._put, chan.notify)
+        self.assertEqual(select._put, chan.notify)
 
     def test_subselect_empty(self):
         select = self.klass()
         subselect = self.klass()
         select.add(subselect)
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(subselect, select._receivers[0])
+        self.assertEqual(subselect, select._receivers[0])
-        self.assertEquals(select._put, subselect.notify)
+        self.assertEqual(select._put, subselect.notify)
 
     def test_subselect_nonempty(self):
         recv = mitogen.core.Receiver(self.router)
@@ -74,15 +74,15 @@ class AddTest(testlib.RouterMixin, testlib.TestCase):
         subselect.add(recv)
 
         select.add(subselect)
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(subselect, select._receivers[0])
+        self.assertEqual(subselect, select._receivers[0])
-        self.assertEquals(select._put, subselect.notify)
+        self.assertEqual(select._put, subselect.notify)
 
     def test_subselect_loop_direct(self):
         select = self.klass()
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.add(select))
-        self.assertEquals(str(exc), self.klass.loop_msg)
+        self.assertEqual(str(exc), self.klass.loop_msg)
 
     def test_subselect_loop_indirect(self):
         s0 = self.klass()
@@ -93,7 +93,7 @@ class AddTest(testlib.RouterMixin, testlib.TestCase):
         s1.add(s2)
         exc = self.assertRaises(mitogen.select.Error,
             lambda: s2.add(s0))
-        self.assertEquals(str(exc), self.klass.loop_msg)
+        self.assertEqual(str(exc), self.klass.loop_msg)
 
     def test_double_add_receiver(self):
         select = self.klass()
@@ -101,7 +101,7 @@ class AddTest(testlib.RouterMixin, testlib.TestCase):
         select.add(recv)
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.add(recv))
-        self.assertEquals(str(exc), self.klass.owned_msg)
+        self.assertEqual(str(exc), self.klass.owned_msg)
 
     def test_double_add_subselect(self):
         select = self.klass()
@@ -109,7 +109,7 @@ class AddTest(testlib.RouterMixin, testlib.TestCase):
         select.add(select2)
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.add(select2))
-        self.assertEquals(str(exc), self.klass.owned_msg)
+        self.assertEqual(str(exc), self.klass.owned_msg)
 
 
 class RemoveTest(testlib.RouterMixin, testlib.TestCase):
@@ -120,7 +120,7 @@ class RemoveTest(testlib.RouterMixin, testlib.TestCase):
         recv = mitogen.core.Receiver(self.router)
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.remove(recv))
-        self.assertEquals(str(exc), self.klass.not_present_msg)
+        self.assertEqual(str(exc), self.klass.not_present_msg)
 
     def test_receiver_absent(self):
         select = self.klass()
@@ -129,22 +129,22 @@ class RemoveTest(testlib.RouterMixin, testlib.TestCase):
         select.add(recv2)
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.remove(recv))
-        self.assertEquals(str(exc), self.klass.not_present_msg)
+        self.assertEqual(str(exc), self.klass.not_present_msg)
 
     def test_receiver_present(self):
         select = self.klass()
         recv = mitogen.core.Receiver(self.router)
         select.add(recv)
         select.remove(recv)
-        self.assertEquals(0, len(select._receivers))
+        self.assertEqual(0, len(select._receivers))
-        self.assertEquals(None, recv.notify)
+        self.assertEqual(None, recv.notify)
 
     def test_latch_empty(self):
         select = self.klass()
         latch = mitogen.core.Latch()
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.remove(latch))
-        self.assertEquals(str(exc), self.klass.not_present_msg)
+        self.assertEqual(str(exc), self.klass.not_present_msg)
 
     def test_latch_absent(self):
         select = self.klass()
@@ -153,15 +153,15 @@ class RemoveTest(testlib.RouterMixin, testlib.TestCase):
         select.add(latch2)
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.remove(latch))
-        self.assertEquals(str(exc), self.klass.not_present_msg)
+        self.assertEqual(str(exc), self.klass.not_present_msg)
 
     def test_latch_present(self):
         select = self.klass()
         latch = mitogen.core.Latch()
         select.add(latch)
         select.remove(latch)
-        self.assertEquals(0, len(select._receivers))
+        self.assertEqual(0, len(select._receivers))
-        self.assertEquals(None, latch.notify)
+        self.assertEqual(None, latch.notify)
 
 
 class CloseTest(testlib.RouterMixin, testlib.TestCase):
@@ -176,24 +176,24 @@ class CloseTest(testlib.RouterMixin, testlib.TestCase):
         latch = mitogen.core.Latch()
         select.add(latch)
 
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(select._put, latch.notify)
+        self.assertEqual(select._put, latch.notify)
 
         select.close()
-        self.assertEquals(0, len(select._receivers))
+        self.assertEqual(0, len(select._receivers))
-        self.assertEquals(None, latch.notify)
+        self.assertEqual(None, latch.notify)
 
     def test_one_receiver(self):
         select = self.klass()
         recv = mitogen.core.Receiver(self.router)
         select.add(recv)
 
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(select._put, recv.notify)
+        self.assertEqual(select._put, recv.notify)
 
         select.close()
-        self.assertEquals(0, len(select._receivers))
+        self.assertEqual(0, len(select._receivers))
-        self.assertEquals(None, recv.notify)
+        self.assertEqual(None, recv.notify)
 
     def test_one_subselect(self):
         select = self.klass()
@@ -203,16 +203,16 @@ class CloseTest(testlib.RouterMixin, testlib.TestCase):
         recv = mitogen.core.Receiver(self.router)
         subselect.add(recv)
 
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(subselect._put, recv.notify)
+        self.assertEqual(subselect._put, recv.notify)
 
         select.close()
 
-        self.assertEquals(0, len(select._receivers))
+        self.assertEqual(0, len(select._receivers))
-        self.assertEquals(subselect._put, recv.notify)
+        self.assertEqual(subselect._put, recv.notify)
 
         subselect.close()
-        self.assertEquals(None, recv.notify)
+        self.assertEqual(None, recv.notify)
 
 
 class EmptyTest(testlib.RouterMixin, testlib.TestCase):
@@ -262,20 +262,20 @@ class IterTest(testlib.RouterMixin, testlib.TestCase):
 
     def test_empty(self):
         select = self.klass()
-        self.assertEquals([], list(select))
+        self.assertEqual([], list(select))
 
     def test_nonempty_receiver(self):
         recv = mitogen.core.Receiver(self.router)
         select = self.klass([recv])
         msg = mitogen.core.Message.pickled('123')
         recv._on_receive(msg)
-        self.assertEquals([msg], list(select))
+        self.assertEqual([msg], list(select))
 
     def test_nonempty_latch(self):
         latch = mitogen.core.Latch()
         select = self.klass([latch])
         latch.put(123)
-        self.assertEquals([123], list(select))
+        self.assertEqual([123], list(select))
 
 
 class OneShotTest(testlib.RouterMixin, testlib.TestCase):
@@ -287,9 +287,9 @@ class OneShotTest(testlib.RouterMixin, testlib.TestCase):
         msg = mitogen.core.Message.pickled('123')
         recv._on_receive(msg)
         msg_ = select.get()
-        self.assertEquals(msg, msg_)
+        self.assertEqual(msg, msg_)
-        self.assertEquals(0, len(select._receivers))
+        self.assertEqual(0, len(select._receivers))
-        self.assertEquals(None, recv.notify)
+        self.assertEqual(None, recv.notify)
 
     def test_false_receiver_persists_after_get(self):
         recv = mitogen.core.Receiver(self.router)
@@ -297,28 +297,28 @@ class OneShotTest(testlib.RouterMixin, testlib.TestCase):
         msg = mitogen.core.Message.pickled('123')
         recv._on_receive(msg)
 
-        self.assertEquals(msg, select.get())
+        self.assertEqual(msg, select.get())
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(recv, select._receivers[0])
+        self.assertEqual(recv, select._receivers[0])
-        self.assertEquals(select._put, recv.notify)
+        self.assertEqual(select._put, recv.notify)
 
     def test_true_latch_removed_after_get(self):
         latch = mitogen.core.Latch()
         select = self.klass([latch])
         latch.put(123)
-        self.assertEquals(123, select.get())
+        self.assertEqual(123, select.get())
-        self.assertEquals(0, len(select._receivers))
+        self.assertEqual(0, len(select._receivers))
-        self.assertEquals(None, latch.notify)
+        self.assertEqual(None, latch.notify)
 
     def test_false_latch_persists_after_get(self):
         latch = mitogen.core.Latch()
         select = self.klass([latch], oneshot=False)
         latch.put(123)
 
-        self.assertEquals(123, select.get())
+        self.assertEqual(123, select.get())
-        self.assertEquals(1, len(select._receivers))
+        self.assertEqual(1, len(select._receivers))
-        self.assertEquals(latch, select._receivers[0])
+        self.assertEqual(latch, select._receivers[0])
-        self.assertEquals(select._put, latch.notify)
+        self.assertEqual(select._put, latch.notify)
 
 
 class GetReceiverTest(testlib.RouterMixin, testlib.TestCase):
@@ -328,13 +328,13 @@ class GetReceiverTest(testlib.RouterMixin, testlib.TestCase):
         select = self.klass()
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.get())
-        self.assertEquals(str(exc), self.klass.empty_msg)
+        self.assertEqual(str(exc), self.klass.empty_msg)
 
     def test_timeout_no_receivers(self):
         select = self.klass()
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.get(timeout=1.0))
-        self.assertEquals(str(exc), self.klass.empty_msg)
+        self.assertEqual(str(exc), self.klass.empty_msg)
 
     def test_zero_timeout(self):
         recv = mitogen.core.Receiver(self.router)
@@ -353,7 +353,7 @@ class GetReceiverTest(testlib.RouterMixin, testlib.TestCase):
         recv._on_receive(mitogen.core.Message.pickled('123'))
         select = self.klass([recv])
         msg = select.get()
-        self.assertEquals('123', msg.unpickle())
+        self.assertEqual('123', msg.unpickle())
 
     def test_nonempty_multiple_items_before_add(self):
         recv = mitogen.core.Receiver(self.router)
@@ -361,9 +361,9 @@ class GetReceiverTest(testlib.RouterMixin, testlib.TestCase):
         recv._on_receive(mitogen.core.Message.pickled('234'))
         select = self.klass([recv], oneshot=False)
         msg = select.get()
-        self.assertEquals('123', msg.unpickle())
+        self.assertEqual('123', msg.unpickle())
         msg = select.get()
-        self.assertEquals('234', msg.unpickle())
+        self.assertEqual('234', msg.unpickle())
         self.assertRaises(mitogen.core.TimeoutError,
             lambda: select.get(block=False))
 
@@ -372,21 +372,21 @@ class GetReceiverTest(testlib.RouterMixin, testlib.TestCase):
         select = self.klass([recv])
         recv._on_receive(mitogen.core.Message.pickled('123'))
         msg = select.get()
-        self.assertEquals('123', msg.unpickle())
+        self.assertEqual('123', msg.unpickle())
 
     def test_nonempty_receiver_attr_set(self):
         recv = mitogen.core.Receiver(self.router)
         select = self.klass([recv])
         recv._on_receive(mitogen.core.Message.pickled('123'))
         msg = select.get()
-        self.assertEquals(msg.receiver, recv)
+        self.assertEqual(msg.receiver, recv)
 
     def test_drained_by_other_thread(self):
         recv = mitogen.core.Receiver(self.router)
         recv._on_receive(mitogen.core.Message.pickled('123'))
         select = self.klass([recv])
         msg = recv.get()
-        self.assertEquals('123', msg.unpickle())
+        self.assertEqual('123', msg.unpickle())
         self.assertRaises(mitogen.core.TimeoutError,
             lambda: select.get(timeout=0.0))
 
@@ -398,13 +398,13 @@ class GetLatchTest(testlib.RouterMixin, testlib.TestCase):
         select = self.klass()
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.get())
-        self.assertEquals(str(exc), self.klass.empty_msg)
+        self.assertEqual(str(exc), self.klass.empty_msg)
 
     def test_timeout_no_receivers(self):
         select = self.klass()
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.get(timeout=1.0))
-        self.assertEquals(str(exc), self.klass.empty_msg)
+        self.assertEqual(str(exc), self.klass.empty_msg)
 
     def test_zero_timeout(self):
         latch = mitogen.core.Latch()
@@ -422,15 +422,15 @@ class GetLatchTest(testlib.RouterMixin, testlib.TestCase):
         latch = mitogen.core.Latch()
         latch.put(123)
         select = self.klass([latch])
-        self.assertEquals(123, select.get())
+        self.assertEqual(123, select.get())
 
     def test_nonempty_multiple_items_before_add(self):
         latch = mitogen.core.Latch()
         latch.put(123)
         latch.put(234)
         select = self.klass([latch], oneshot=False)
-        self.assertEquals(123, select.get())
+        self.assertEqual(123, select.get())
-        self.assertEquals(234, select.get())
+        self.assertEqual(234, select.get())
         self.assertRaises(mitogen.core.TimeoutError,
             lambda: select.get(block=False))
 
@@ -438,13 +438,13 @@ class GetLatchTest(testlib.RouterMixin, testlib.TestCase):
         latch = mitogen.core.Latch()
         select = self.klass([latch])
         latch.put(123)
-        self.assertEquals(123, latch.get())
+        self.assertEqual(123, latch.get())
 
     def test_drained_by_other_thread(self):
         latch = mitogen.core.Latch()
         latch.put(123)
         select = self.klass([latch])
-        self.assertEquals(123, latch.get())
+        self.assertEqual(123, latch.get())
         self.assertRaises(mitogen.core.TimeoutError,
             lambda: select.get(timeout=0.0))
 
@@ -456,20 +456,20 @@ class GetEventTest(testlib.RouterMixin, testlib.TestCase):
         select = self.klass()
         exc = self.assertRaises(mitogen.select.Error,
             lambda: select.get())
-        self.assertEquals(str(exc), self.klass.empty_msg)
+        self.assertEqual(str(exc), self.klass.empty_msg)
 
     def test_latch(self):
         latch = mitogen.core.Latch()
         latch.put(123)
         select = self.klass([latch])
         event = select.get_event()
-        self.assertEquals(latch, event.source)
+        self.assertEqual(latch, event.source)
-        self.assertEquals(123, event.data)
+        self.assertEqual(123, event.data)
 
     def test_receiver(self):
         recv = mitogen.core.Receiver(self.router)
         recv._on_receive(mitogen.core.Message.pickled('123'))
         select = self.klass([recv])
         event = select.get_event()
-        self.assertEquals(recv, event.source)
+        self.assertEqual(recv, event.source)
-        self.assertEquals('123', event.data.unpickle())
+        self.assertEqual('123', event.data.unpickle())

tests/service_test.py

@@ -43,7 +43,7 @@ def call_service_in(context, service_name, method_name):
 class CallTest(testlib.RouterMixin, testlib.TestCase):
     def test_local(self):
         pool = mitogen.service.get_or_create_pool(router=self.router)
-        self.assertEquals(
+        self.assertEqual(
             'privileged!',
             mitogen.service.call(MyService, 'privileged_op')
         )
@@ -63,7 +63,7 @@ class CallTest(testlib.RouterMixin, testlib.TestCase):
 
     def test_local_unicode(self):
         pool = mitogen.service.get_or_create_pool(router=self.router)
-        self.assertEquals(
+        self.assertEqual(
             'privileged!',
             mitogen.service.call(MyService.name(), 'privileged_op')
         )
@@ -71,7 +71,7 @@ class CallTest(testlib.RouterMixin, testlib.TestCase):
 
     def test_remote(self):
         c1 = self.router.local()
-        self.assertEquals(
+        self.assertEqual(
             'privileged!',
             mitogen.service.call(MyService, 'privileged_op',
                                  call_context=c1)
@@ -82,7 +82,7 @@ class ActivationTest(testlib.RouterMixin, testlib.TestCase):
     def test_parent_can_activate(self):
         l1 = self.router.local()
         counter, id_ = l1.call_service(MyService, 'get_id')
-        self.assertEquals(1, counter)
+        self.assertEqual(1, counter)
         self.assertTrue(isinstance(id_, int))
 
     def test_sibling_cannot_activate_framework(self):
@@ -110,9 +110,9 @@ class ActivationTest(testlib.RouterMixin, testlib.TestCase):
         l1 = self.router.local()
         counter, id_ = l1.call_service(MyService, 'get_id')
         counter2, id_2 = l1.call_service(MyService, 'get_id')
-        self.assertEquals(1, counter)
+        self.assertEqual(1, counter)
-        self.assertEquals(2, counter2)
+        self.assertEqual(2, counter2)
-        self.assertEquals(id_, id_2)
+        self.assertEqual(id_, id_2)
 
 
 class PermissionTest(testlib.RouterMixin, testlib.TestCase):
@@ -120,7 +120,7 @@ class PermissionTest(testlib.RouterMixin, testlib.TestCase):
         l1 = self.router.local()
         l1.call_service(MyService, 'get_id')
         l2 = self.router.local()
-        self.assertEquals('unprivileged!',
+        self.assertEqual('unprivileged!',
             l2.call(call_service_in, l1, MyService.name(), 'unprivileged_op'))
 
     def test_sibling_privileged_bad(self):
@@ -147,8 +147,8 @@ class CloseTest(testlib.RouterMixin, testlib.TestCase):
     def test_receiver_closed(self):
         pool = self.klass(router=self.router, services=[])
         pool.stop()
-        self.assertEquals(None, pool._receiver.handle)
+        self.assertEqual(None, pool._receiver.handle)
 
         e = self.assertRaises(mitogen.core.ChannelError,
             lambda: self.router.myself().call_service(MyService, 'foobar'))
-        self.assertEquals(e.args[0], self.router.invalid_handle_msg)
+        self.assertEqual(e.args[0], self.router.invalid_handle_msg)

tests/setns_test.py

@@ -30,7 +30,7 @@ import testlib
 #             via=root,
 #         )
 
-#         self.assertEquals(
+#         self.assertEqual(
 #             via_ssh.call(socket.gethostname),
 #             via_setns.call(socket.gethostname),
 #         )

tests/signals_test.py

@@ -15,7 +15,7 @@ class ListenFireTest(testlib.TestCase):
             lambda: latch.put('event fired'))
 
         mitogen.core.fire(thing, 'event')
-        self.assertEquals('event fired', latch.get())
+        self.assertEqual('event fired', latch.get())
         self.assertTrue(latch.empty())
 
     def test_with_args(self):
@@ -23,7 +23,7 @@ class ListenFireTest(testlib.TestCase):
         latch = mitogen.core.Latch()
         mitogen.core.listen(thing, 'event', latch.put)
         mitogen.core.fire(thing, 'event', 'event fired')
-        self.assertEquals('event fired', latch.get())
+        self.assertEqual('event fired', latch.get())
         self.assertTrue(latch.empty())
 
     def test_two_listeners(self):
@@ -33,7 +33,7 @@ class ListenFireTest(testlib.TestCase):
         mitogen.core.listen(thing, 'event', latch.put)
         mitogen.core.listen(thing, 'event', latch2.put)
         mitogen.core.fire(thing, 'event', 'event fired')
-        self.assertEquals('event fired', latch.get())
+        self.assertEqual('event fired', latch.get())
-        self.assertEquals('event fired', latch2.get())
+        self.assertEqual('event fired', latch2.get())
         self.assertTrue(latch.empty())
         self.assertTrue(latch2.empty())

tests/ssh_test.py

@@ -36,7 +36,7 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
         )
         #context.call(mitogen.utils.log_to_file, '/tmp/log')
         #context.call(mitogen.utils.disable_site_packages)
-        self.assertEquals(3, context.call(plain_old_module.add, 1, 2))
+        self.assertEqual(3, context.call(plain_old_module.add, 1, 2))
 
 
 class SshTest(testlib.DockerMixin, testlib.TestCase):
@@ -73,7 +73,7 @@ class SshTest(testlib.DockerMixin, testlib.TestCase):
             self.dockerized_ssh.get_host(),
             self.dockerized_ssh.port,
         )
-        self.assertEquals(name, context.name)
+        self.assertEqual(name, context.name)
 
     def test_via_stream_name(self):
         context = self.docker_ssh(
@@ -86,7 +86,7 @@ class SshTest(testlib.DockerMixin, testlib.TestCase):
             self.dockerized_ssh.host,
             self.dockerized_ssh.port,
         )
-        self.assertEquals(name, sudo.name)
+        self.assertEqual(name, sudo.name)
 
     def test_password_required(self):
         e = self.assertRaises(mitogen.ssh.PasswordError,
@@ -145,7 +145,7 @@ class SshTest(testlib.DockerMixin, testlib.TestCase):
                     check_host_keys='enforce',
                 )
             )
-            self.assertEquals(e.args[0], mitogen.ssh.hostkey_failed_msg)
+            self.assertEqual(e.args[0], mitogen.ssh.hostkey_failed_msg)
         finally:
             fp.close()
 
@@ -189,7 +189,7 @@ class BannerTest(testlib.DockerMixin, testlib.TestCase):
             self.dockerized_ssh.get_host(),
             self.dockerized_ssh.port,
         )
-        self.assertEquals(name, context.name)
+        self.assertEqual(name, context.name)
 
 
 class StubPermissionDeniedTest(StubSshMixin, testlib.TestCase):
@@ -206,19 +206,19 @@ class StubCheckHostKeysTest(StubSshMixin, testlib.TestCase):
     def test_check_host_keys_accept(self):
         # required=true, host_key_checking=accept
         context = self.stub_ssh(STUBSSH_MODE='ask', check_host_keys='accept')
-        self.assertEquals('1', context.call(os.getenv, 'STDERR_WAS_TTY'))
+        self.assertEqual('1', context.call(os.getenv, 'STDERR_WAS_TTY'))
 
     def test_check_host_keys_enforce(self):
         # required=false, host_key_checking=enforce
         context = self.stub_ssh(check_host_keys='enforce')
-        self.assertEquals(None, context.call(os.getenv, 'STDERR_WAS_TTY'))
+        self.assertEqual(None, context.call(os.getenv, 'STDERR_WAS_TTY'))
 
     def test_check_host_keys_ignore(self):
         # required=false, host_key_checking=ignore
         context = self.stub_ssh(check_host_keys='ignore')
-        self.assertEquals(None, context.call(os.getenv, 'STDERR_WAS_TTY'))
+        self.assertEqual(None, context.call(os.getenv, 'STDERR_WAS_TTY'))
 
     def test_password_present(self):
         # required=true, password is not None
         context = self.stub_ssh(check_host_keys='ignore', password='willick')
-        self.assertEquals('1', context.call(os.getenv, 'STDERR_WAS_TTY'))
+        self.assertEqual('1', context.call(os.getenv, 'STDERR_WAS_TTY'))

tests/su_test.py

@@ -20,8 +20,8 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
 
     def test_basic(self):
         context, argv = self.run_su()
-        self.assertEquals(argv[1], 'root')
+        self.assertEqual(argv[1], 'root')
-        self.assertEquals(argv[2], '-c')
+        self.assertEqual(argv[2], '-c')
 
 
 class SuTest(testlib.DockerMixin, testlib.TestCase):
@@ -64,4 +64,4 @@ class SuTest(testlib.DockerMixin, testlib.TestCase):
             password='has_sudo_password',
         )
         context = self.router.su(via=ssh, password='rootpassword')
-        self.assertEquals(0, context.call(os.getuid))
+        self.assertEqual(0, context.call(os.getuid))

tests/sudo_test.py

@@ -21,7 +21,7 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
 
     def test_basic(self):
         context, argv = self.run_sudo()
-        self.assertEquals(argv[:4], [
+        self.assertEqual(argv[:4], [
             self.sudo_path,
             '-u', 'root',
             '--'
@@ -32,7 +32,7 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
             selinux_type='setype',
             selinux_role='serole',
         )
-        self.assertEquals(argv[:8], [
+        self.assertEqual(argv[:8], [
             self.sudo_path,
             '-u', 'root',
             '-r', 'serole',
@@ -44,7 +44,7 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
         context, argv = self.run_sudo(
             sudo_args=['--type', 'setype', '--role', 'serole', '--user', 'user']
         )
-        self.assertEquals(argv[:8], [
+        self.assertEqual(argv[:8], [
             self.sudo_path,
             '-u', 'user',
             '-r', 'serole',
@@ -57,7 +57,7 @@ class ConstructorTest(testlib.RouterMixin, testlib.TestCase):
         os.environ['PREHISTORIC_SUDO'] = '1'
         try:
             context, argv = self.run_sudo()
-            self.assertEquals('1', context.call(os.getenv, 'PREHISTORIC_SUDO'))
+            self.assertEqual('1', context.call(os.getenv, 'PREHISTORIC_SUDO'))
         finally:
             del os.environ['PREHISTORIC_SUDO']
 

tests/testlib.py

@@ -116,6 +116,13 @@ def threading__thread_is_alive(thread):
         return thread.isAlive()
 
 
+def threading_thread_name(thread):
+    try:
+        return thread.name  # Available in Python 2.6+
+    except AttributeError:
+        return thread.getName()  # Deprecated in Python 3.10+
+
+
 def wait_for_port(
         host,
         port,
@@ -349,7 +356,7 @@ class TestCase(unittest.TestCase):
     def _teardown_check_threads(self):
         counts = {}
         for thread in threading.enumerate():
-            name = thread.getName()
+            name = threading_thread_name(thread)
             # Python 2.4: enumerate() may return stopped threads.
             assert \
                 not threading__thread_is_alive(thread) \
@@ -367,9 +374,15 @@ class TestCase(unittest.TestCase):
         mitogen.core.Latch._on_fork()
         if get_fd_count() != self._fd_count_before:
             if sys.platform == 'linux':
-                os.system('lsof +E -w -p %i | grep -vw mem' % (os.getpid(),))
+                subprocess.check_call(
+                    'lsof +E -w -p %i | grep -vw mem' % (os.getpid(),),
+                    shell=True,
+                )
             else:
-                os.system('lsof -w -p %i | grep -vw mem' % (os.getpid(),))
+                subprocess.check_call(
+                    'lsof -w -p %i | grep -vw mem' % (os.getpid(),),
+                    shell=True,
+                )
             assert 0, "%s leaked FDs. Count before: %s, after: %s" % (
                 self, self._fd_count_before, get_fd_count(),
             )
@@ -403,12 +416,18 @@ class TestCase(unittest.TestCase):
             return
 
         print('Leaked children of unit test process:')
-        os.system('ps -o "user,pid,%%cpu,%%mem,vsz,rss,tty,stat,start,time,command" -ww -p %s'
+        subprocess.check_call(
-                  % (','.join(str(p.pid) for p in children_leaked),))
+            ['ps', '-o', 'user,pid,%cpu,%mem,vsz,rss,tty,stat,start,time,command', '-ww', '-p',
+             ','.join(str(p.pid) for p in children_leaked),
+            ],
+        )
         if self._children_before:
             print('Pre-existing children of unit test process:')
-            os.system('ps -o "user,pid,%%cpu,%%mem,vsz,rss,tty,stat,start,time,command" -ww -p %s'
+            subprocess.check_call(
-                      % (','.join(str(p.pid) for p in self._children_before),))
+                ['ps', '-o', 'user,pid,%cpu,%mem,vsz,rss,tty,stat,start,time,command', '-ww', '-p',
+                 ','.join(str(p.pid) for p in self._children_before),
+                ],
+            )
         assert 0, "%s leaked still-running subprocesses." % (self,)
 
     def tearDown(self):

tests/timer_test.py

@@ -18,49 +18,49 @@ class TimerListMixin(object):
 
 class GetTimeoutTest(TimerListMixin, testlib.TestCase):
     def test_empty(self):
-        self.assertEquals(None, self.list.get_timeout())
+        self.assertEqual(None, self.list.get_timeout())
 
     def test_one_event(self):
         self.list.schedule(2, lambda: None)
         self.list._now = lambda: 1
-        self.assertEquals(1, self.list.get_timeout())
+        self.assertEqual(1, self.list.get_timeout())
 
     def test_two_events_same_moment(self):
         self.list.schedule(2, lambda: None)
         self.list.schedule(2, lambda: None)
         self.list._now = lambda: 1
-        self.assertEquals(1, self.list.get_timeout())
+        self.assertEqual(1, self.list.get_timeout())
 
     def test_two_events(self):
         self.list.schedule(2, lambda: None)
         self.list.schedule(3, lambda: None)
         self.list._now = lambda: 1
-        self.assertEquals(1, self.list.get_timeout())
+        self.assertEqual(1, self.list.get_timeout())
 
     def test_two_events_expired(self):
         self.list.schedule(2, lambda: None)
         self.list.schedule(3, lambda: None)
         self.list._now = lambda: 3
-        self.assertEquals(0, self.list.get_timeout())
+        self.assertEqual(0, self.list.get_timeout())
 
     def test_two_events_in_past(self):
         self.list.schedule(2, lambda: None)
         self.list.schedule(3, lambda: None)
         self.list._now = lambda: 30
-        self.assertEquals(0, self.list.get_timeout())
+        self.assertEqual(0, self.list.get_timeout())
 
     def test_two_events_in_past(self):
         self.list.schedule(2, lambda: None)
         self.list.schedule(3, lambda: None)
         self.list._now = lambda: 30
-        self.assertEquals(0, self.list.get_timeout())
+        self.assertEqual(0, self.list.get_timeout())
 
     def test_one_cancelled(self):
         t1 = self.list.schedule(2, lambda: None)
         t2 = self.list.schedule(3, lambda: None)
         self.list._now = lambda: 0
         t1.cancel()
-        self.assertEquals(3, self.list.get_timeout())
+        self.assertEqual(3, self.list.get_timeout())
 
     def test_two_cancelled(self):
         t1 = self.list.schedule(2, lambda: None)
@@ -68,30 +68,30 @@ class GetTimeoutTest(TimerListMixin, testlib.TestCase):
         self.list._now = lambda: 0
         t1.cancel()
         t2.cancel()
-        self.assertEquals(None, self.list.get_timeout())
+        self.assertEqual(None, self.list.get_timeout())
 
 
 class ScheduleTest(TimerListMixin, testlib.TestCase):
     def test_in_past(self):
         self.list._now = lambda: 30
         timer = self.list.schedule(29, lambda: None)
-        self.assertEquals(29, timer.when)
+        self.assertEqual(29, timer.when)
-        self.assertEquals(0, self.list.get_timeout())
+        self.assertEqual(0, self.list.get_timeout())
 
     def test_in_future(self):
         self.list._now = lambda: 30
         timer = self.list.schedule(31, lambda: None)
-        self.assertEquals(31, timer.when)
+        self.assertEqual(31, timer.when)
-        self.assertEquals(1, self.list.get_timeout())
+        self.assertEqual(1, self.list.get_timeout())
 
     def test_same_moment(self):
         self.list._now = lambda: 30
         timer = self.list.schedule(31, lambda: None)
         timer2 = self.list.schedule(31, lambda: None)
-        self.assertEquals(31, timer.when)
+        self.assertEqual(31, timer.when)
-        self.assertEquals(31, timer2.when)
+        self.assertEqual(31, timer2.when)
         self.assertTrue(timer is not timer2)
-        self.assertEquals(1, self.list.get_timeout())
+        self.assertEqual(1, self.list.get_timeout())
 
 
 class ExpireTest(TimerListMixin, testlib.TestCase):
@@ -100,7 +100,7 @@ class ExpireTest(TimerListMixin, testlib.TestCase):
         self.assertTrue(timer.active)
         self.list._now = lambda: 30
         self.list.expire()
-        self.assertEquals(1, len(timer.func.mock_calls))
+        self.assertEqual(1, len(timer.func.mock_calls))
         self.assertFalse(timer.active)
 
     def test_in_future(self):
@@ -108,7 +108,7 @@ class ExpireTest(TimerListMixin, testlib.TestCase):
         self.assertTrue(timer.active)
         self.list._now = lambda: 28
         self.list.expire()
-        self.assertEquals(0, len(timer.func.mock_calls))
+        self.assertEqual(0, len(timer.func.mock_calls))
         self.assertTrue(timer.active)
 
     def test_same_moment(self):
@@ -118,8 +118,8 @@ class ExpireTest(TimerListMixin, testlib.TestCase):
         self.assertTrue(timer2.active)
         self.list._now = lambda: 29
         self.list.expire()
-        self.assertEquals(1, len(timer.func.mock_calls))
+        self.assertEqual(1, len(timer.func.mock_calls))
-        self.assertEquals(1, len(timer2.func.mock_calls))
+        self.assertEqual(1, len(timer2.func.mock_calls))
         self.assertFalse(timer.active)
         self.assertFalse(timer2.active)
 
@@ -127,11 +127,11 @@ class ExpireTest(TimerListMixin, testlib.TestCase):
         self.list._now = lambda: 29
         timer = self.list.schedule(29, mock.Mock())
         timer.cancel()
-        self.assertEquals(None, self.list.get_timeout())
+        self.assertEqual(None, self.list.get_timeout())
         self.list._now = lambda: 29
         self.list.expire()
-        self.assertEquals(0, len(timer.func.mock_calls))
+        self.assertEqual(0, len(timer.func.mock_calls))
-        self.assertEquals(None, self.list.get_timeout())
+        self.assertEqual(None, self.list.get_timeout())
 
 
 class CancelTest(TimerListMixin, testlib.TestCase):
@@ -142,7 +142,7 @@ class CancelTest(TimerListMixin, testlib.TestCase):
         timer.cancel()
         self.assertFalse(timer.active)
         self.list.expire()
-        self.assertEquals(0, len(timer.func.mock_calls))
+        self.assertEqual(0, len(timer.func.mock_calls))
 
     def test_double_cancel(self):
         self.list._now = lambda: 29
@@ -152,7 +152,7 @@ class CancelTest(TimerListMixin, testlib.TestCase):
         timer.cancel()
         self.assertFalse(timer.active)
         self.list.expire()
-        self.assertEquals(0, len(timer.func.mock_calls))
+        self.assertEqual(0, len(timer.func.mock_calls))
 
 
 @mitogen.core.takes_econtext

tests/two_three_compat_test.py

@@ -19,5 +19,5 @@ class TwoThreeCompatTest(testlib.RouterMixin, testlib.TestCase):
         target = self.router.local(python_path=self.python_path)
 
         spare2, = target.call(simple_pkg.ping.ping, spare)
-        self.assertEquals(spare.context_id, spare2.context_id)
+        self.assertEqual(spare.context_id, spare2.context_id)
-        self.assertEquals(spare.name, spare2.name)
+        self.assertEqual(spare.name, spare2.name)

tests/types_test.py

@@ -29,26 +29,26 @@ class BlobTest(testlib.TestCase):
 
     def test_repr(self):
         blob = self.make()
-        self.assertEquals('[blob: 128 bytes]', repr(blob))
+        self.assertEqual('[blob: 128 bytes]', repr(blob))
 
     def test_decays_on_constructor(self):
         blob = self.make()
-        self.assertEquals(b('x') * 128, mitogen.core.BytesType(blob))
+        self.assertEqual(b('x') * 128, mitogen.core.BytesType(blob))
 
     def test_decays_on_write(self):
         blob = self.make()
         io = BytesIO()
         io.write(blob)
-        self.assertEquals(128, io.tell())
+        self.assertEqual(128, io.tell())
-        self.assertEquals(b('x') * 128, io.getvalue())
+        self.assertEqual(b('x') * 128, io.getvalue())
 
     def test_message_roundtrip(self):
         blob = self.make()
         msg = mitogen.core.Message.pickled(blob)
         blob2 = msg.unpickle()
-        self.assertEquals(type(blob), type(blob2))
+        self.assertEqual(type(blob), type(blob2))
-        self.assertEquals(repr(blob), repr(blob2))
+        self.assertEqual(repr(blob), repr(blob2))
-        self.assertEquals(mitogen.core.BytesType(blob),
+        self.assertEqual(mitogen.core.BytesType(blob),
                           mitogen.core.BytesType(blob2))
 
 
@@ -60,26 +60,26 @@ class SecretTest(testlib.TestCase):
 
     def test_repr(self):
         secret = self.make()
-        self.assertEquals('[secret]', repr(secret))
+        self.assertEqual('[secret]', repr(secret))
 
     def test_decays_on_constructor(self):
         secret = self.make()
-        self.assertEquals('password', mitogen.core.UnicodeType(secret))
+        self.assertEqual('password', mitogen.core.UnicodeType(secret))
 
     def test_decays_on_write(self):
         secret = self.make()
         io = StringIO()
         io.write(secret)
-        self.assertEquals(8, io.tell())
+        self.assertEqual(8, io.tell())
-        self.assertEquals('password', io.getvalue())
+        self.assertEqual('password', io.getvalue())
 
     def test_message_roundtrip(self):
         secret = self.make()
         msg = mitogen.core.Message.pickled(secret)
         secret2 = msg.unpickle()
-        self.assertEquals(type(secret), type(secret2))
+        self.assertEqual(type(secret), type(secret2))
-        self.assertEquals(repr(secret), repr(secret2))
+        self.assertEqual(repr(secret), repr(secret2))
-        self.assertEquals(mitogen.core.b(secret),
+        self.assertEqual(mitogen.core.b(secret),
                           mitogen.core.b(secret2))
 
 
@@ -88,30 +88,30 @@ class KwargsTest(testlib.TestCase):
 
     def test_empty(self):
         kw = self.klass({})
-        self.assertEquals({}, kw)
+        self.assertEqual({}, kw)
-        self.assertEquals('Kwargs({})', repr(kw))
+        self.assertEqual('Kwargs({})', repr(kw))
         klass, (dct,) = kw.__reduce__()
         self.assertTrue(klass is self.klass)
         self.assertTrue(type(dct) is dict)
-        self.assertEquals({}, dct)
+        self.assertEqual({}, dct)
 
     @unittest.skipIf(condition=(sys.version_info >= (2, 6)),
                       reason='py<2.6 only')
     def test_bytes_conversion(self):
         kw = self.klass({u'key': 123})
-        self.assertEquals({'key': 123}, kw)
+        self.assertEqual({'key': 123}, kw)
-        self.assertEquals("Kwargs({'key': 123})", repr(kw))
+        self.assertEqual("Kwargs({'key': 123})", repr(kw))
 
     @unittest.skipIf(condition=not mitogen.core.PY3,
                       reason='py3 only')
     def test_unicode_conversion(self):
         kw = self.klass({mitogen.core.b('key'): 123})
-        self.assertEquals({u'key': 123}, kw)
+        self.assertEqual({u'key': 123}, kw)
-        self.assertEquals("Kwargs({'key': 123})", repr(kw))
+        self.assertEqual("Kwargs({'key': 123})", repr(kw))
         klass, (dct,) = kw.__reduce__()
         self.assertTrue(klass is self.klass)
         self.assertTrue(type(dct) is dict)
-        self.assertEquals({u'key': 123}, dct)
+        self.assertEqual({u'key': 123}, dct)
         key, = dct
         self.assertTrue(type(key) is mitogen.core.UnicodeType)
 
@@ -125,20 +125,20 @@ class ToTextTest(testlib.TestCase):
 
     def test_bytes(self):
         s = self.func(mitogen.core.b('bytes'))
-        self.assertEquals(mitogen.core.UnicodeType, type(s))
+        self.assertEqual(mitogen.core.UnicodeType, type(s))
-        self.assertEquals(s, u'bytes')
+        self.assertEqual(s, u'bytes')
 
     def test_unicode(self):
         s = self.func(u'text')
-        self.assertEquals(mitogen.core.UnicodeType, type(s))
+        self.assertEqual(mitogen.core.UnicodeType, type(s))
-        self.assertEquals(s, u'text')
+        self.assertEqual(s, u'text')
 
     def test_adorned_unicode(self):
         s = self.func(AdornedUnicode(u'text'))
-        self.assertEquals(mitogen.core.UnicodeType, type(s))
+        self.assertEqual(mitogen.core.UnicodeType, type(s))
-        self.assertEquals(s, u'text')
+        self.assertEqual(s, u'text')
 
     def test_integer(self):
         s = self.func(123)
-        self.assertEquals(mitogen.core.UnicodeType, type(s))
+        self.assertEqual(mitogen.core.UnicodeType, type(s))
-        self.assertEquals(s, u'123')
+        self.assertEqual(s, u'123')

tests/unix_test.py

@@ -96,12 +96,12 @@ class ClientTest(testlib.TestCase):
     def _test_simple_client(self, path):
         router, context = self._try_connect(path)
         try:
-            self.assertEquals(0, context.context_id)
+            self.assertEqual(0, context.context_id)
-            self.assertEquals(1, mitogen.context_id)
+            self.assertEqual(1, mitogen.context_id)
-            self.assertEquals(0, mitogen.parent_id)
+            self.assertEqual(0, mitogen.parent_id)
             resp = context.call_service(service_name=MyService, method_name='ping')
-            self.assertEquals(mitogen.context_id, resp['src_id'])
+            self.assertEqual(mitogen.context_id, resp['src_id'])
-            self.assertEquals(0, resp['auth_id'])
+            self.assertEqual(0, resp['auth_id'])
         finally:
             router.broker.shutdown()
             router.broker.join()