129 lines
4.1 KiB
Python
129 lines
4.1 KiB
Python
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# Copyright 2010-2011 OpenStack Foundation
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# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from __future__ import print_function
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from __future__ import division
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from __future__ import absolute_import
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import contextlib
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import os
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import fixtures
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import mock
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from mox3 import mox
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from oslo_config import cfg
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import six
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import testtools
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from congress.common import config
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from congress.db import api as db_api
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# Import all data models
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from congress.db.migration.models import head # noqa
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from congress.db import model_base
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from congress.tests import helper
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from congress.tests import policy_fixture
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_TRUE_VALUES = ('true', '1', 'yes')
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if six.PY3:
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@contextlib.contextmanager
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def nested(*contexts):
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with contextlib.ExitStack() as stack:
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yield [stack.enter_context(c) for c in contexts]
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else:
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nested = contextlib.nested
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class TestCase(testtools.TestCase):
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"""Test case base class for all unit tests."""
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def setUp(self):
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"""Run before each test method to initialize test environment."""
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super(TestCase, self).setUp()
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self.mox = mox.Mox()
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self.setup_config()
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self.addCleanup(cfg.CONF.reset)
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config.setup_logging()
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test_timeout = os.environ.get('OS_TEST_TIMEOUT', 0)
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try:
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test_timeout = int(test_timeout)
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except ValueError:
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# If timeout value is invalid do not set a timeout.
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test_timeout = 0
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if test_timeout > 0:
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self.useFixture(fixtures.Timeout(test_timeout, gentle=True))
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self.useFixture(fixtures.NestedTempfile())
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self.useFixture(fixtures.TempHomeDir())
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self.addCleanup(mock.patch.stopall)
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if os.environ.get('OS_STDOUT_CAPTURE') in _TRUE_VALUES:
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stdout = self.useFixture(fixtures.StringStream('stdout')).stream
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self.useFixture(fixtures.MonkeyPatch('sys.stdout', stdout))
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if os.environ.get('OS_STDERR_CAPTURE') in _TRUE_VALUES:
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stderr = self.useFixture(fixtures.StringStream('stderr')).stream
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self.useFixture(fixtures.MonkeyPatch('sys.stderr', stderr))
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self.log_fixture = self.useFixture(fixtures.FakeLogger())
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self.policy = self.useFixture(policy_fixture.PolicyFixture())
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def setup_config(self):
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"""Tests that need a non-default config can override this method."""
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config.init([], default_config_files=[])
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def tearDown(self):
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super(TestCase, self).tearDown()
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self.mox.UnsetStubs()
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self.mox = None
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class SqlTestCase(TestCase):
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# flag to indicate that the models have been loaded
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_TABLES_ESTABLISHED = False
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def setUp(self):
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super(SqlTestCase, self).setUp()
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# Register all data models
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engine = db_api.get_engine()
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if not SqlTestCase._TABLES_ESTABLISHED:
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model_base.BASE.metadata.create_all(engine)
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SqlTestCase._TABLES_ESTABLISHED = True
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def clear_tables():
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with engine.begin() as conn:
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for table in reversed(
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model_base.BASE.metadata.sorted_tables):
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conn.execute(table.delete())
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self.addCleanup(clear_tables)
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def setup_config(self):
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"""Tests that need a non-default config can override this method."""
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args = ['--config-file', helper.etcdir('congress.conf.test')]
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config.init(args)
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class Benchmark(SqlTestCase):
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def setUp(self):
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if os.getenv("TEST_BENCHMARK") != "true":
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self.skipTest("Skipping slow benchmark tests")
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super(Benchmark, self).setUp()
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