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mitogen/tests/responder_test.py

78 lines
2.6 KiB
Python

7 years ago
import mock
import subprocess
import unittest
import sys
import mitogen.master
import testlib
import plain_old_module
import simple_pkg.a
class GoodModulesTest(testlib.RouterMixin, unittest.TestCase):
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def test_plain_old_module(self):
# The simplest case: a top-level module with no interesting imports or
# package machinery damage.
context = self.router.local()
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self.assertEquals(256, context.call(plain_old_module.pow, 2, 8))
def test_simple_pkg(self):
# Ensure success of a simple package containing two submodules, one of
# which imports the other.
context = self.router.local()
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self.assertEquals(3,
context.call(simple_pkg.a.subtract_one_add_two, 2))
def test_self_contained_program(self):
# Ensure a program composed of a single script can be imported
# successfully.
args = [sys.executable, testlib.data_path('self_contained_program.py')]
output = subprocess.check_output(args)
self.assertEquals(output, "['__main__', 50]\n")
class BrokenModulesTest(unittest.TestCase):
def test_obviously_missing(self):
# Ensure we don't crash in the case of a module legitimately being
# unavailable. Should never happen in the real world.
router = mock.Mock()
responder = mitogen.master.ModuleResponder(router)
responder._on_get_module(
mitogen.core.Message(
data='non_existent_module',
reply_to=50,
)
)
self.assertEquals(1, len(router.route.mock_calls))
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call = router.route.mock_calls[0]
msg, = call[1]
self.assertEquals(50, msg.handle)
self.assertTrue(msg.unpickle() is None)
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def test_ansible_six_messed_up_path(self):
# The copy of six.py shipped with Ansible appears in a package whose
# __path__ subsequently ends up empty, which prevents pkgutil from
# finding its submodules. After ansible.compat.six is initialized in
# the parent, attempts to execute six/__init__.py on the slave will
# cause an attempt to request ansible.compat.six._six from the master.
import six_brokenpkg
router = mock.Mock()
responder = mitogen.master.ModuleResponder(router)
responder._on_get_module(
mitogen.core.Message(
data='six_brokenpkg._six',
reply_to=50,
)
)
self.assertEquals(1, len(router.route.mock_calls))
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call = router.route.mock_calls[0]
msg, = call[1]
self.assertEquals(50, msg.handle)
self.assertTrue(isinstance(msg.unpickle(), tuple))