os-loganalyze/os_loganalyze/tests/base.py

127 lines
4.2 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2010-2011 OpenStack Foundation
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
#
# 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 ConfigParser
import os
import os.path
import tempfile
import urllib
from wsgiref import util
import fixtures
import testtools
import os_loganalyze.wsgi as log_wsgi
_TRUE_VALUES = ('true', '1', 'yes')
def samples_path(append_folder='samples'):
"""Create an abs path for our test samples
Because the wsgi has a security check that ensures that we don't
escape our root path, we need to actually create a full abs path
for the tests, otherwise the sample files aren't findable.
"""
return os.path.abspath(
os.path.join(
os.path.dirname(__file__),
append_folder)) + os.sep
class TestCase(testtools.TestCase):
"""Test case base class for all unit tests."""
def setUp(self):
"""Run before each test method to initialize test environment."""
super(TestCase, self).setUp()
test_timeout = os.environ.get('OS_TEST_TIMEOUT', 0)
try:
test_timeout = int(test_timeout)
except ValueError:
# If timeout value is invalid do not set a timeout.
test_timeout = 0
if test_timeout > 0:
self.useFixture(fixtures.Timeout(test_timeout, gentle=True))
self.useFixture(fixtures.NestedTempfile())
self.useFixture(fixtures.TempHomeDir())
if os.environ.get('OS_STDOUT_CAPTURE') in _TRUE_VALUES:
stdout = self.useFixture(fixtures.StringStream('stdout')).stream
self.useFixture(fixtures.MonkeyPatch('sys.stdout', stdout))
if os.environ.get('OS_STDERR_CAPTURE') in _TRUE_VALUES:
stderr = self.useFixture(fixtures.StringStream('stderr')).stream
self.useFixture(fixtures.MonkeyPatch('sys.stderr', stderr))
self.log_fixture = self.useFixture(fixtures.FakeLogger())
self.samples_directory = 'samples'
self.wsgi_config_file = samples_path('samples') + 'wsgi.conf'
def _start_response(self, *args):
return
def fake_env(self, **kwargs):
environ = dict(**kwargs)
util.setup_testing_defaults(environ)
return environ
def _create_wsgi_config_file_for_job(self):
# We need to create a new config file for each job run to have the
# opportunity to modify paths to the tests samples dir
config = ConfigParser.ConfigParser()
config.read(os.path.expanduser(self.wsgi_config_file))
if config.has_section('general'):
if config.has_option('general', 'file_conditions'):
config.set(
'general', 'file_conditions',
samples_path() + config.get('general', 'file_conditions'))
fd, filename = tempfile.mkstemp()
config.write(os.fdopen(fd, 'w'))
return filename
def get_generator(self, fname, level=None, html=True,
limit=None, source=None, range_bytes=None):
kwargs = {'PATH_INFO': '/htmlify/%s/%s' % (self.samples_directory,
fname)}
qs = {}
if level:
qs['level'] = level
if limit:
qs['limit'] = limit
if source:
qs['source'] = source
if qs:
kwargs['QUERY_STRING'] = urllib.urlencode(qs)
if html:
kwargs['HTTP_ACCEPT'] = 'text/html'
if range_bytes:
kwargs['HTTP_RANGE'] = 'bytes=%s' % range_bytes
gen = log_wsgi.application(
self.fake_env(**kwargs),
self._start_response,
root_path=samples_path(''),
wsgi_config=self._create_wsgi_config_file_for_job())
return iter(gen)