compose/tests/integration/resilience_test.py

58 lines
1.8 KiB
Python

from __future__ import absolute_import
from __future__ import unicode_literals
from .. import mock
from .testcases import DockerClientTestCase
from compose.config.types import VolumeSpec
from compose.project import Project
from compose.service import ConvergenceStrategy
class ResilienceTest(DockerClientTestCase):
def setUp(self):
self.db = self.create_service(
'db',
volumes=[VolumeSpec.parse('/var/db')],
command='top')
self.project = Project('composetest', [self.db], self.client)
container = self.db.create_container()
self.db.start_container(container)
self.host_path = container.get_mount('/var/db')['Source']
def tearDown(self):
del self.project
del self.db
super(ResilienceTest, self).tearDown()
def test_successful_recreate(self):
self.project.up(strategy=ConvergenceStrategy.always)
container = self.db.containers()[0]
self.assertEqual(container.get_mount('/var/db')['Source'], self.host_path)
def test_create_failure(self):
with mock.patch('compose.service.Service.create_container', crash):
with self.assertRaises(Crash):
self.project.up(strategy=ConvergenceStrategy.always)
self.project.up()
container = self.db.containers()[0]
self.assertEqual(container.get_mount('/var/db')['Source'], self.host_path)
def test_start_failure(self):
with mock.patch('compose.service.Service.start_container', crash):
with self.assertRaises(Crash):
self.project.up(strategy=ConvergenceStrategy.always)
self.project.up()
container = self.db.containers()[0]
self.assertEqual(container.get_mount('/var/db')['Source'], self.host_path)
class Crash(Exception):
pass
def crash(*args, **kwargs):
raise Crash()