235 lines
7.4 KiB
Python
235 lines
7.4 KiB
Python
#
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# Copyright 2012 New Dream Network, LLC (DreamHost)
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# Copyright 2013 eNovance
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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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"""Base classes for API tests."""
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import os
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import warnings
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import fixtures
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import mock
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from oslo_utils import uuidutils
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import six
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from six.moves.urllib import parse as urlparse
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import sqlalchemy
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from testtools import testcase
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from panko import service
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from panko import storage
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from panko.tests import base as test_base
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try:
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from panko.tests import mocks
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except ImportError:
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mocks = None # happybase module is not Python 3 compatible yet
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class MongoDbManager(fixtures.Fixture):
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def __init__(self, url, conf):
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self._url = url
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self.conf = conf
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def setUp(self):
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super(MongoDbManager, self).setUp()
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with warnings.catch_warnings():
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warnings.filterwarnings(
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action='ignore',
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message='.*you must provide a username and password.*')
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try:
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self.connection = storage.get_connection(self.url, self.conf)
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except storage.StorageBadVersion as e:
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raise testcase.TestSkipped(six.text_type(e))
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@property
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def url(self):
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return '%(url)s_%(db)s' % {
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'url': self._url,
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'db': uuidutils.generate_uuid(dashed=False)
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}
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class SQLManager(fixtures.Fixture):
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def __init__(self, url, conf):
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db_name = 'panko_%s' % uuidutils.generate_uuid(dashed=False)
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engine = sqlalchemy.create_engine(url)
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conn = engine.connect()
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self._create_database(conn, db_name)
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conn.close()
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engine.dispose()
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parsed = list(urlparse.urlparse(url))
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parsed[2] = '/' + db_name
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self.url = urlparse.urlunparse(parsed)
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self.conf = conf
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def setUp(self):
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super(SQLManager, self).setUp()
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self.connection = storage.get_connection(self.url, self.conf)
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class PgSQLManager(SQLManager):
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@staticmethod
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def _create_database(conn, db_name):
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conn.connection.set_isolation_level(0)
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conn.execute('CREATE DATABASE %s WITH TEMPLATE template0;' % db_name)
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conn.connection.set_isolation_level(1)
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class MySQLManager(SQLManager):
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@staticmethod
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def _create_database(conn, db_name):
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conn.execute('CREATE DATABASE %s;' % db_name)
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class ElasticSearchManager(fixtures.Fixture):
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def __init__(self, url, conf):
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self.url = url
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self.conf = conf
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def setUp(self):
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super(ElasticSearchManager, self).setUp()
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self.connection = storage.get_connection(
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self.url, self.conf)
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# prefix each test with unique index name
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inx_uuid = uuidutils.generate_uuid(dashed=False)
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self.connection.index_name = 'events_%s' % inx_uuid
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# force index on write so data is queryable right away
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self.connection._refresh_on_write = True
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class HBaseManager(fixtures.Fixture):
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def __init__(self, url, conf):
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self._url = url
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self.conf = conf
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def setUp(self):
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super(HBaseManager, self).setUp()
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self.connection = storage.get_connection(
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self.url, self.conf)
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# Unique prefix for each test to keep data is distinguished because
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# all test data is stored in one table
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data_prefix = uuidutils.generate_uuid(dashed=False)
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def table(conn, name):
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return mocks.MockHBaseTable(name, conn, data_prefix)
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# Mock only real HBase connection, MConnection "table" method
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# stays origin.
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mock.patch('happybase.Connection.table', new=table).start()
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# We shouldn't delete data and tables after each test,
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# because it last for too long.
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# All tests tables will be deleted in setup-test-env.sh
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mock.patch("happybase.Connection.disable_table",
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new=mock.MagicMock()).start()
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mock.patch("happybase.Connection.delete_table",
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new=mock.MagicMock()).start()
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mock.patch("happybase.Connection.create_table",
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new=mock.MagicMock()).start()
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@property
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def url(self):
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return '%s?table_prefix=%s&table_prefix_separator=%s' % (
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self._url,
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os.getenv("PANKO_TEST_HBASE_TABLE_PREFIX", "test"),
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os.getenv("PANKO_TEST_HBASE_TABLE_PREFIX_SEPARATOR", "_")
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)
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class SQLiteManager(fixtures.Fixture):
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def __init__(self, url, conf):
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self.url = url
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self.conf = conf
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def setUp(self):
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super(SQLiteManager, self).setUp()
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self.connection = storage.get_connection(
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self.url, self.conf)
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@six.add_metaclass(test_base.SkipNotImplementedMeta)
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class TestBase(test_base.BaseTestCase):
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DRIVER_MANAGERS = {
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'mongodb': MongoDbManager,
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'mysql': MySQLManager,
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'postgresql': PgSQLManager,
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'sqlite': SQLiteManager,
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'es': ElasticSearchManager,
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}
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if mocks is not None:
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DRIVER_MANAGERS['hbase'] = HBaseManager
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def setUp(self):
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super(TestBase, self).setUp()
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db_url = os.environ.get('PIFPAF_URL', "sqlite://").replace(
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"mysql://", "mysql+pymysql://")
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engine = urlparse.urlparse(db_url).scheme
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# in case some drivers have additional specification, for example:
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# PyMySQL will have scheme mysql+pymysql
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engine = engine.split('+')[0]
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# NOTE(Alexei_987) Shortcut to skip expensive db setUp
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test_method = self._get_test_method()
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if (hasattr(test_method, '_run_with')
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and engine not in test_method._run_with):
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raise testcase.TestSkipped(
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'Test is not applicable for %s' % engine)
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self.CONF = service.prepare_service([], [])
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manager = self.DRIVER_MANAGERS.get(engine)
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if not manager:
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self.skipTest("missing driver manager: %s" % engine)
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self.db_manager = manager(db_url, self.CONF)
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self.useFixture(self.db_manager)
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self.conn = self.db_manager.connection
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self.conn.upgrade()
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self.useFixture(fixtures.MockPatch('panko.storage.get_connection',
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side_effect=self._get_connection))
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def tearDown(self):
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self.conn.clear()
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self.conn = None
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super(TestBase, self).tearDown()
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def _get_connection(self, url, conf):
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return self.conn
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def run_with(*drivers):
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"""Used to mark tests that are only applicable for certain db driver.
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Skips test if driver is not available.
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"""
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def decorator(test):
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if isinstance(test, type) and issubclass(test, TestBase):
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# Decorate all test methods
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for attr in dir(test):
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value = getattr(test, attr)
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if callable(value) and attr.startswith('test_'):
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if six.PY3:
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value._run_with = drivers
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else:
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value.__func__._run_with = drivers
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else:
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test._run_with = drivers
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return test
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return decorator
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