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# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import os.path
import shlex
import subprocess
import fixtures
import testscenarios
import testtools
from testtools import content
import virtualenv
from pbr.tests import base
PIPFLAGS = shlex.split(os.environ.get('PIPFLAGS', ''))
PIPVERSION = os.environ.get('PIPVERSION', 'pip')
PBRVERSION = os.environ.get('PBRVERSION', 'pbr')
REPODIR = os.environ.get('REPODIR', '')
WHEELHOUSE = os.environ.get('WHEELHOUSE', '')
PIP_CMD = ['-m', 'pip'] + PIPFLAGS + ['install', '-f', WHEELHOUSE]
PROJECTS = shlex.split(os.environ.get('PROJECTS', ''))
def all_projects():
if not REPODIR:
return
# Future: make this path parameterisable.
excludes = set(['pypi-mirror', 'jeepyb', 'tempest', 'requirements'])
for name in PROJECTS:
name = name.strip()
short_name = name.split('/')[-1]
try:
with open(os.path.join(
REPODIR, short_name, 'setup.py'), 'rt') as f:
if 'pbr' not in f.read():
continue
except IOError:
continue
if short_name in excludes:
continue
yield (short_name, dict(name=name, short_name=short_name))
class CapturedSubprocess(fixtures.Fixture):
"""Run a process and capture its output.
:attr stdout: The output (a string).
:attr stderr: The standard error (a string).
:attr returncode: The return code of the process.
Note that stdout and stderr are decoded from the bytestrings subprocess
returns using error=replace.
"""
def __init__(self, label, *args, **kwargs):
"""Create a CapturedSubprocess.
:param label: A label for the subprocess in the test log. E.g. 'foo'.
:param *args: The *args to pass to Popen.
:param **kwargs: The **kwargs to pass to Popen.
"""
super(CapturedSubprocess, self).__init__()
self.label = label
self.args = args
self.kwargs = kwargs
self.kwargs['stderr'] = subprocess.PIPE
self.kwargs['stdin'] = subprocess.PIPE
self.kwargs['stdout'] = subprocess.PIPE
def setUp(self):
super(CapturedSubprocess, self).setUp()
proc = subprocess.Popen(*self.args, **self.kwargs)
out, err = proc.communicate()
self.out = out.decode('utf-8', 'replace')
self.err = err.decode('utf-8', 'replace')
self.addDetail(self.label + '-stdout', content.text_content(self.out))
self.addDetail(self.label + '-stderr', content.text_content(self.err))
self.returncode = proc.returncode
if proc.returncode:
raise AssertionError('Failed process %s' % proc.returncode)
self.addCleanup(delattr, self, 'out')
self.addCleanup(delattr, self, 'err')
self.addCleanup(delattr, self, 'returncode')
class TestIntegration(base.BaseTestCase):
scenarios = list(all_projects())
def setUp(self):
# Integration tests need a higher default - big repos can be slow to
# clone, particularly under guest load.
os.environ['OS_TEST_TIMEOUT'] = os.environ.get('OS_TEST_TIMEOUT', 240)
super(TestIntegration, self).setUp()
base._config_git()
def venv(self, reason):
path = self.useFixture(fixtures.TempDir()).path
virtualenv.create_environment(path, clear=True)
python = os.path.join(path, 'bin', 'python')
self.useFixture(CapturedSubprocess(
'mkvenv-' + reason, [python] + PIP_CMD + [
'-U', PIPVERSION, 'wheel', PBRVERSION]))
return path, python
@testtools.skipUnless(
os.environ.get('PBR_INTEGRATION', None) == '1',
'integration tests not enabled')
def test_integration(self):
# Test that we can:
# - run sdist from the repo in a venv
# - install the resulting tarball in a new venv
# - pip install the repo
# - pip install -e the repo
# We don't break these into separate tests because we'd need separate
# source dirs to isolate from side effects of running pip, and the
# overheads of setup would start to beat the benefits of parallelism.
self.useFixture(CapturedSubprocess(
'sync-req',
['python', 'update.py', os.path.join(REPODIR, self.short_name)],
cwd=os.path.join(REPODIR, 'requirements')))
self.useFixture(CapturedSubprocess(
'commit-requirements',
'git diff --quiet || git commit -amrequirements',
cwd=os.path.join(REPODIR, self.short_name), shell=True))
path = os.path.join(
self.useFixture(fixtures.TempDir()).path, 'project')
self.useFixture(CapturedSubprocess(
'clone',
['git', 'clone', os.path.join(REPODIR, self.short_name), path]))
_, python = self.venv('sdist')
self.useFixture(CapturedSubprocess(
'sdist', [python, 'setup.py', 'sdist'], cwd=path))
_, python = self.venv('tarball')
filename = os.path.join(
path, 'dist', os.listdir(os.path.join(path, 'dist'))[0])
self.useFixture(CapturedSubprocess(
'tarball', [python] + PIP_CMD + [filename]))
root, python = self.venv('install-git')
self.useFixture(CapturedSubprocess(
'install-git', [python] + PIP_CMD + ['git+file://' + path]))
if self.short_name == 'nova':
found = False
for _, _, filenames in os.walk(root):
if 'migrate.cfg' in filenames:
found = True
self.assertTrue(found)
_, python = self.venv('install-e')
self.useFixture(CapturedSubprocess(
'install-e', [python] + PIP_CMD + ['-e', path]))
def load_tests(loader, in_tests, pattern):
return testscenarios.load_tests_apply_scenarios(loader, in_tests, pattern)
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