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compose
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compose/tests/integration/project_test.py

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from __future__ import unicode_literals
from compose import config
from compose.project import Project
from compose.container import Container
from .testcases import DockerClientTestCase
class ProjectTest(DockerClientTestCase):
def test_volumes_from_service(self):
service_dicts = config.from_dictionary({
'data': {
'image': 'busybox:latest',
'volumes': ['/var/data'],
},
'db': {
'image': 'busybox:latest',
'volumes_from': ['data'],
},
}, working_dir='.')
project = Project.from_dicts(
name='composetest',
service_dicts=service_dicts,
client=self.client,
)
db = project.get_service('db')
data = project.get_service('data')
self.assertEqual(db.volumes_from, [data])
def test_volumes_from_container(self):
data_container = Container.create(
self.client,
image='busybox:latest',
volumes=['/var/data'],
name='composetest_data_container',
)
project = Project.from_dicts(
name='composetest',
service_dicts=config.from_dictionary({
'db': {
'image': 'busybox:latest',
'volumes_from': ['composetest_data_container'],
},
}),
client=self.client,
)
db = project.get_service('db')
self.assertEqual(db.volumes_from, [data_container])
project.kill()
project.remove_stopped()
def test_net_from_service(self):
project = Project.from_dicts(
name='composetest',
service_dicts=config.from_dictionary({
'net': {
'image': 'busybox:latest',
'command': ["/bin/sleep", "300"]
},
'web': {
'image': 'busybox:latest',
'net': 'container:net',
'command': ["/bin/sleep", "300"]
},
}),
client=self.client,
)
project.up()
web = project.get_service('web')
net = project.get_service('net')
self.assertEqual(web._get_net(), 'container:' + net.containers()[0].id)
project.kill()
project.remove_stopped()
def test_net_from_container(self):
net_container = Container.create(
self.client,
image='busybox:latest',
name='composetest_net_container',
command='/bin/sleep 300'
)
net_container.start()
project = Project.from_dicts(
name='composetest',
service_dicts=config.from_dictionary({
'web': {
'image': 'busybox:latest',
'net': 'container:composetest_net_container'
},
}),
client=self.client,
)
project.up()
web = project.get_service('web')
self.assertEqual(web._get_net(), 'container:' + net_container.id)
project.kill()
project.remove_stopped()
def test_start_stop_kill_remove(self):
web = self.create_service('web')
db = self.create_service('db')
project = Project('composetest', [web, db], self.client)
project.start()
self.assertEqual(len(web.containers()), 0)
self.assertEqual(len(db.containers()), 0)
web_container_1 = web.create_container()
web_container_2 = web.create_container()
db_container = db.create_container()
project.start(service_names=['web'])
self.assertEqual(set(c.name for c in project.containers()), set([web_container_1.name, web_container_2.name]))
project.start()
self.assertEqual(set(c.name for c in project.containers()), set([web_container_1.name, web_container_2.name, db_container.name]))
project.stop(service_names=['web'], timeout=1)
self.assertEqual(set(c.name for c in project.containers()), set([db_container.name]))
project.kill(service_names=['db'])
self.assertEqual(len(project.containers()), 0)
self.assertEqual(len(project.containers(stopped=True)), 3)
project.remove_stopped(service_names=['web'])
self.assertEqual(len(project.containers(stopped=True)), 1)
project.remove_stopped()
self.assertEqual(len(project.containers(stopped=True)), 0)
def test_project_up(self):
web = self.create_service('web')
db = self.create_service('db', volumes=['/var/db'])
project = Project('composetest', [web, db], self.client)
project.start()
self.assertEqual(len(project.containers()), 0)
project.up(['db'])
self.assertEqual(len(project.containers()), 1)
self.assertEqual(len(db.containers()), 1)
self.assertEqual(len(web.containers()), 0)
project.kill()
project.remove_stopped()
def test_project_up_recreates_containers(self):
web = self.create_service('web')
db = self.create_service('db', volumes=['/etc'])
project = Project('composetest', [web, db], self.client)
project.start()
self.assertEqual(len(project.containers()), 0)
project.up(['db'])
self.assertEqual(len(project.containers()), 1)
old_db_id = project.containers()[0].id
db_volume_path = project.containers()[0].get('Volumes./etc')
project.up()
self.assertEqual(len(project.containers()), 2)
db_container = [c for c in project.containers() if 'db' in c.name][0]
self.assertNotEqual(db_container.id, old_db_id)
self.assertEqual(db_container.get('Volumes./etc'), db_volume_path)
project.kill()
project.remove_stopped()
def test_project_up_with_no_recreate_running(self):
web = self.create_service('web')
db = self.create_service('db', volumes=['/var/db'])
project = Project('composetest', [web, db], self.client)
project.start()
self.assertEqual(len(project.containers()), 0)
project.up(['db'])
self.assertEqual(len(project.containers()), 1)
old_db_id = project.containers()[0].id
db_volume_path = project.containers()[0].inspect()['Volumes']['/var/db']
project.up(recreate=False)
self.assertEqual(len(project.containers()), 2)
db_container = [c for c in project.containers() if 'db' in c.name][0]
self.assertEqual(db_container.id, old_db_id)
self.assertEqual(db_container.inspect()['Volumes']['/var/db'],
db_volume_path)
project.kill()
project.remove_stopped()
def test_project_up_with_no_recreate_stopped(self):
web = self.create_service('web')
db = self.create_service('db', volumes=['/var/db'])
project = Project('composetest', [web, db], self.client)
project.start()
self.assertEqual(len(project.containers()), 0)
project.up(['db'])
project.stop()
old_containers = project.containers(stopped=True)
self.assertEqual(len(old_containers), 1)
old_db_id = old_containers[0].id
db_volume_path = old_containers[0].inspect()['Volumes']['/var/db']
project.up(recreate=False)
new_containers = project.containers(stopped=True)
self.assertEqual(len(new_containers), 2)
db_container = [c for c in new_containers if 'db' in c.name][0]
self.assertEqual(db_container.id, old_db_id)
self.assertEqual(db_container.inspect()['Volumes']['/var/db'],
db_volume_path)
project.kill()
project.remove_stopped()
def test_project_up_without_all_services(self):
console = self.create_service('console')
db = self.create_service('db')
project = Project('composetest', [console, db], self.client)
project.start()
self.assertEqual(len(project.containers()), 0)
project.up()
self.assertEqual(len(project.containers()), 2)
self.assertEqual(len(db.containers()), 1)
self.assertEqual(len(console.containers()), 1)
project.kill()
project.remove_stopped()
def test_project_up_starts_links(self):
console = self.create_service('console')
db = self.create_service('db', volumes=['/var/db'])
web = self.create_service('web', links=[(db, 'db')])
project = Project('composetest', [web, db, console], self.client)
project.start()
self.assertEqual(len(project.containers()), 0)
project.up(['web'])
self.assertEqual(len(project.containers()), 2)
self.assertEqual(len(web.containers()), 1)
self.assertEqual(len(db.containers()), 1)
self.assertEqual(len(console.containers()), 0)
project.kill()
project.remove_stopped()
def test_project_up_starts_depends(self):
project = Project.from_dicts(
name='composetest',
service_dicts=config.from_dictionary({
'console': {
'image': 'busybox:latest',
'command': ["/bin/sleep", "300"],
},
'data': {
'image': 'busybox:latest',
'command': ["/bin/sleep", "300"]
},
'db': {
'image': 'busybox:latest',
'command': ["/bin/sleep", "300"],
'volumes_from': ['data'],
},
'web': {
'image': 'busybox:latest',
'command': ["/bin/sleep", "300"],
'links': ['db'],
},
}),
client=self.client,
)
project.start()
self.assertEqual(len(project.containers()), 0)
project.up(['web'])
self.assertEqual(len(project.containers()), 3)
self.assertEqual(len(project.get_service('web').containers()), 1)
self.assertEqual(len(project.get_service('db').containers()), 1)
self.assertEqual(len(project.get_service('data').containers()), 1)
self.assertEqual(len(project.get_service('console').containers()), 0)
project.kill()
project.remove_stopped()
def test_project_up_with_no_deps(self):
project = Project.from_dicts(
name='composetest',
service_dicts=config.from_dictionary({
'console': {
'image': 'busybox:latest',
'command': ["/bin/sleep", "300"],
},
'data': {
'image': 'busybox:latest',
'command': ["/bin/sleep", "300"]
},
'db': {
'image': 'busybox:latest',
'command': ["/bin/sleep", "300"],
'volumes_from': ['data'],
},
'web': {
'image': 'busybox:latest',
'command': ["/bin/sleep", "300"],
'links': ['db'],
},
}),
client=self.client,
)
project.start()
self.assertEqual(len(project.containers()), 0)
project.up(['db'], start_deps=False)
self.assertEqual(len(project.containers(stopped=True)), 2)
self.assertEqual(len(project.get_service('web').containers()), 0)
self.assertEqual(len(project.get_service('db').containers()), 1)
self.assertEqual(len(project.get_service('data').containers()), 0)
self.assertEqual(len(project.get_service('data').containers(stopped=True)), 1)
self.assertEqual(len(project.get_service('console').containers()), 0)
project.kill()
project.remove_stopped()
def test_unscale_after_restart(self):
web = self.create_service('web')
project = Project('composetest', [web], self.client)
project.start()
service = project.get_service('web')
service.scale(1)
self.assertEqual(len(service.containers()), 1)
service.scale(3)
self.assertEqual(len(service.containers()), 3)
project.up()
service = project.get_service('web')
self.assertEqual(len(service.containers()), 3)
service.scale(1)
self.assertEqual(len(service.containers()), 1)
project.up()
service = project.get_service('web')
self.assertEqual(len(service.containers()), 1)
# does scale=0 ,makes any sense? after recreating at least 1 container is running
service.scale(0)
project.up()
service = project.get_service('web')
self.assertEqual(len(service.containers()), 1)
project.kill()
project.remove_stopped()
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