compose/tests/integration/testcases.py

83 lines
2.6 KiB
Python

from __future__ import absolute_import
from __future__ import unicode_literals
from docker import errors
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 ServiceLoader
from compose.const import LABEL_PROJECT
from compose.progress_stream import stream_output
from compose.service import Service
def pull_busybox(client):
try:
client.inspect_image('busybox:latest')
except errors.APIError:
client.pull('busybox:latest', stream=False)
class DockerClientTestCase(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.client = docker_client()
def tearDown(self):
for c in self.client.containers(
all=True,
filters={'label': '%s=composetest' % LABEL_PROJECT}):
self.client.kill(c['Id'])
self.client.remove_container(c['Id'])
for i in self.client.images(
filters={'label': 'com.docker.compose.test_image'}):
self.client.remove_image(i)
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"]
links = kwargs.get('links', None)
volumes_from = kwargs.get('volumes_from', None)
net = kwargs.get('net', None)
workaround_options = ['links', 'volumes_from', 'net']
for key in workaround_options:
try:
del kwargs[key]
except KeyError:
pass
options = ServiceLoader(working_dir='.', filename=None, service_name=name, service_dict=kwargs).make_service_dict()
labels = options.setdefault('labels', {})
labels['com.docker.compose.test-name'] = self.id()
if links:
options['links'] = links
if volumes_from:
options['volumes_from'] = volumes_from
if net:
options['net'] = net
return Service(
project='composetest',
client=self.client,
**options
)
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))