compose/tests/service_test.py

104 lines
3.5 KiB
Python

from plum import Service
from .testcases import DockerClientTestCase
class ServiceTest(DockerClientTestCase):
def test_name_validations(self):
self.assertRaises(ValueError, lambda: Service(name=''))
self.assertRaises(ValueError, lambda: Service(name=' '))
self.assertRaises(ValueError, lambda: Service(name='/'))
self.assertRaises(ValueError, lambda: Service(name='!'))
self.assertRaises(ValueError, lambda: Service(name='\xe2'))
Service('a')
Service('foo')
Service('foo_bar')
Service('__foo_bar__')
Service('_')
Service('_____')
def test_containers(self):
foo = self.create_service('foo')
bar = self.create_service('bar')
foo.start()
self.assertEqual(len(foo.containers()), 1)
self.assertEqual(foo.containers()[0].name, '/foo_1')
self.assertEqual(len(bar.containers()), 0)
bar.scale(2)
self.assertEqual(len(foo.containers()), 1)
self.assertEqual(len(bar.containers()), 2)
names = [c.name for c in bar.containers()]
self.assertIn('/bar_1', names)
self.assertIn('/bar_2', names)
def test_up_scale_down(self):
service = self.create_service('scaling_test')
self.assertEqual(len(service.containers()), 0)
service.start()
self.assertEqual(len(service.containers()), 1)
service.start()
self.assertEqual(len(service.containers()), 1)
service.scale(2)
self.assertEqual(len(service.containers()), 2)
service.scale(1)
self.assertEqual(len(service.containers()), 1)
service.stop()
self.assertEqual(len(service.containers()), 0)
service.stop()
self.assertEqual(len(service.containers()), 0)
def test_start_container_passes_through_options(self):
db = self.create_service('db')
db.start_container(environment={'FOO': 'BAR'})
self.assertEqual(db.containers()[0].environment['FOO'], 'BAR')
def test_start_container_inherits_options_from_constructor(self):
db = self.create_service('db', environment={'FOO': 'BAR'})
db.start_container()
self.assertEqual(db.containers()[0].environment['FOO'], 'BAR')
def test_start_container_creates_links(self):
db = self.create_service('db')
web = self.create_service('web', links=[db])
db.start_container()
web.start_container()
self.assertIn('db_1', web.containers()[0].links())
db.stop()
web.stop()
def test_start_container_builds_images(self):
service = Service(
name='test',
client=self.client,
build='tests/fixtures/simple-dockerfile',
)
container = service.start()
container.wait()
self.assertIn('success', container.logs())
def test_start_container_creates_ports(self):
service = self.create_service('web', ports=[8000])
container = service.start_container().inspect()
self.assertIn('8000/tcp', container['HostConfig']['PortBindings'])
self.assertNotEqual(container['HostConfig']['PortBindings']['8000/tcp'][0]['HostPort'], '8000')
def test_start_container_creates_fixed_external_ports(self):
service = self.create_service('web', ports=['8000:8000'])
container = service.start_container().inspect()
self.assertIn('8000/tcp', container['HostConfig']['PortBindings'])
self.assertEqual(container['HostConfig']['PortBindings']['8000/tcp'][0]['HostPort'], '8000')