compose/tests/integration/testcases.py

107 lines
3.2 KiB
Python

from __future__ import absolute_import
from __future__ import unicode_literals
import functools
import os
from docker.utils import version_lt
from pytest import skip
from .. import unittest
from compose.cli.docker_client import docker_client
from compose.config.config import resolve_environment
from compose.config.config import V1
from compose.config.config import V2_0
from compose.const import API_VERSIONS
from compose.const import LABEL_PROJECT
from compose.progress_stream import stream_output
from compose.service import Service
def pull_busybox(client):
client.pull('busybox:latest', stream=False)
def get_links(container):
links = container.get('HostConfig.Links') or []
def format_link(link):
_, alias = link.split(':')
return alias.split('/')[-1]
return [format_link(link) for link in links]
def engine_version_too_low_for_v2():
if 'DOCKER_VERSION' not in os.environ:
return False
version = os.environ['DOCKER_VERSION'].partition('-')[0]
return version_lt(version, '1.10')
def v2_only():
def decorator(f):
@functools.wraps(f)
def wrapper(self, *args, **kwargs):
if engine_version_too_low_for_v2():
skip("Engine version is too low")
return
return f(self, *args, **kwargs)
return wrapper
return decorator
class DockerClientTestCase(unittest.TestCase):
@classmethod
def setUpClass(cls):
if engine_version_too_low_for_v2():
version = API_VERSIONS[V1]
else:
version = API_VERSIONS[V2_0]
cls.client = docker_client(version)
def tearDown(self):
for c in self.client.containers(
all=True,
filters={'label': '%s=composetest' % LABEL_PROJECT}):
self.client.remove_container(c['Id'], force=True)
for i in self.client.images(
filters={'label': 'com.docker.compose.test_image'}):
self.client.remove_image(i)
volumes = self.client.volumes().get('Volumes') or []
for v in volumes:
if 'composetest_' in v['Name']:
self.client.remove_volume(v['Name'])
networks = self.client.networks()
for n in networks:
if 'composetest_' in n['Name']:
self.client.remove_network(n['Name'])
def create_service(self, name, **kwargs):
if 'image' not in kwargs and 'build' not in kwargs:
kwargs['image'] = 'busybox:latest'
if 'command' not in kwargs:
kwargs['command'] = ["top"]
kwargs['environment'] = resolve_environment(kwargs)
labels = dict(kwargs.setdefault('labels', {}))
labels['com.docker.compose.test-name'] = self.id()
return Service(name, client=self.client, project='composetest', **kwargs)
def check_build(self, *args, **kwargs):
kwargs.setdefault('rm', True)
build_output = self.client.build(*args, **kwargs)
stream_output(build_output, open('/dev/null', 'w'))
def require_api_version(self, minimum):
api_version = self.client.version()['ApiVersion']
if version_lt(api_version, minimum):
skip("API version is too low ({} < {})".format(api_version, minimum))