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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.
"""Use mocks to confirm that fixtures operate as context managers.
"""
import unittest
from unittest import mock
from gabbi import fixture
class FakeFixture(fixture.GabbiFixture):
def __init__(self, _mock):
super(FakeFixture, self).__init__()
self.mock = _mock
def start_fixture(self):
self.mock.start()
def stop_fixture(self):
if self.exc_type:
self.mock.handle(self.exc_type)
self.mock.stop()
class FixtureTest(unittest.TestCase):
def setUp(self):
super(FixtureTest, self).setUp()
self.magic = mock.MagicMock(['start', 'stop', 'handle'])
def test_fixture_starts_and_stop(self):
with FakeFixture(self.magic):
pass
self.magic.start.assert_called_once_with()
self.magic.stop.assert_called_once_with()
def test_fixture_informs_on_exception(self):
"""Test that the stop fixture is passed exception info."""
try:
with FakeFixture(self.magic):
raise ValueError()
except ValueError:
pass
self.magic.start.assert_called_once_with()
self.magic.stop.assert_called_once_with()
self.magic.handle.assert_called_once_with(ValueError)
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