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# Copyright 2013: Mirantis Inc.
# All Rights Reserved.
#
# 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 fixtures
from fixtures._fixtures.tempdir import TempDir
import os
import unittest
from unittest import mock
import uuid
from oslo_config import fixture as cfg_fixture # noqa N311
from rally.common import db
from rally import plugins
class TempHomeDir(TempDir):
"""Create a temporary directory and set it as $HOME
:ivar path: the path of the temporary directory.
"""
def _setUp(self):
super(TempHomeDir, self)._setUp()
self.useFixture(fixtures.EnvironmentVariable("HOME", self.path))
class DatabaseFixture(cfg_fixture.Config):
"""Create clean DB before starting test."""
def setUp(self):
super(DatabaseFixture, self).setUp()
db_url = os.environ.get("RALLY_UNITTEST_DB_URL", "sqlite://")
db.engine_reset()
self.conf.set_default("connection", db_url, group="database")
db.schema.schema_cleanup()
db.schema.schema_create()
class TestCase(fixtures.TestWithFixtures, unittest.TestCase):
"""Test case base class for all unit tests."""
def __init__(self, *args, **kwargs):
super(TestCase, self).__init__(*args, **kwargs)
# This is the number of characters shown when two objects do not
# match for assertDictEqual, assertMultiLineEqual, and
# assertSequenceEqual. The default is 640 which is too
# low for comparing most dicts
self.maxDiff = 10000
def setUp(self):
super(TestCase, self).setUp()
self.addCleanup(mock.patch.stopall)
plugins.load()
self.useFixture(TempHomeDir())
def _test_atomic_action_timer(self, atomic_actions, name, count=1,
parent=None):
if parent:
is_found = False
for action in atomic_actions:
if action["name"] == parent[0]:
is_found = True
self._test_atomic_action_timer(action["children"],
name, count=count,
parent=parent[1:])
if not is_found:
self.fail("The parent action %s can not be found."
% parent[0])
else:
actual_count = 0
for atomic_action in atomic_actions:
if atomic_action["name"] == name:
self.assertIsInstance(atomic_action["started_at"], float)
self.assertIsInstance(atomic_action["finished_at"], float)
actual_count += 1
if count != actual_count:
self.fail("%(count)d count is expected for atomic action"
" %(name)s, the actual count"
" is %(actual_count)d."
% {"name": name, "count": count,
"actual_count": actual_count})
# TODO(andreykurilin): port existing code to use 'standard' flow
def assertRaises(
self,
expected_exception,
callable,
*args,
**kwargs,
):
with super().assertRaises(expected_exception) as ctx:
callable(*args, **kwargs)
return ctx.exception
class DBTestCase(TestCase):
"""Base class for tests which use DB."""
def setUp(self):
super(DBTestCase, self).setUp()
self.useFixture(DatabaseFixture())
def get_test_context(**kwargs):
kwargs["task"] = {"uuid": str(uuid.uuid4())}
kwargs["owner_id"] = str(uuid.uuid4())
return kwargs
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