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mitogen/tests/testlib.py

106 lines
2.9 KiB
Python

import os
import random
import sys
import unittest
import urlparse
import mitogen.master
if mitogen.is_master: # TODO: shouldn't be necessary.
import docker
DATA_DIR = os.path.join(os.path.dirname(__file__), 'data')
sys.path.append(DATA_DIR)
def set_debug():
import logging
logging.getLogger('mitogen').setLevel(logging.DEBUG)
def data_path(suffix):
path = os.path.join(DATA_DIR, suffix)
if path.endswith('.key'):
# SSH is funny about private key permissions.
os.chmod(path, 0600)
return path
class TestCase(unittest.TestCase):
def assertRaises(self, exc, func, *args, **kwargs):
"""Like regular assertRaises, except return the exception that was
raised. Can't use context manager because tests must run on Python2.4"""
try:
func(*args, **kwargs)
except exc, e:
return e
except BaseException, e:
assert 0, '%r raised %r, not %r' % (func, e, exc)
assert 0, '%r did not raise %r' % (func, exc)
class DockerizedSshDaemon(object):
def __init__(self):
self.docker = docker.from_env()
self.container_name = 'mitogen-test-%08x' % (random.getrandbits(64),)
self.container = self.docker.containers.run(
image='d2mw/mitogen-test',
detach=True,
publish_all_ports=True,
)
self.container.reload()
self.port = (self.container.attrs['NetworkSettings']['Ports']
['22/tcp'][0]['HostPort'])
self.host = self.get_host()
def get_host(self):
if self.docker.api.base_url == 'http+docker://localunixsocket':
return 'localhost'
parsed = urlparse.urlparse(self.docker.api.base_url)
return parsed.netloc.partition(':')[0]
def close(self):
self.container.stop()
self.container.remove()
class RouterMixin(object):
broker_class = mitogen.master.Broker
router_class = mitogen.master.Router
def setUp(self):
super(RouterMixin, self).setUp()
self.broker = self.broker_class()
self.router = self.router_class(self.broker)
def tearDown(self):
self.broker.shutdown()
self.broker.join()
super(RouterMixin, self).tearDown()
class DockerMixin(RouterMixin):
@classmethod
def setUpClass(cls):
super(DockerMixin, cls).setUpClass()
cls.dockerized_ssh = DockerizedSshDaemon()
@classmethod
def tearDownClass(cls):
cls.dockerized_ssh.close()
super(DockerMixin, cls).tearDownClass()
def docker_ssh(self, **kwargs):
kwargs.setdefault('hostname', self.dockerized_ssh.host)
kwargs.setdefault('port', self.dockerized_ssh.port)
kwargs.setdefault('check_host_keys', False)
return self.router.ssh(**kwargs)
def docker_ssh_any(self, **kwargs):
return self.docker_ssh(
username='has-sudo-nopw',
password='y',
)