99 lines
3.7 KiB
Python
99 lines
3.7 KiB
Python
# Copyright 2015 IBM Corp.
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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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import uuid
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import fixtures
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import mock
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from oslo_config import cfg
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from oslo_config import fixture as config_fixture
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from oslo_utils import importutils
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import stevedore
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from stevedore import extension
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from keystone.auth import controllers
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from keystone.tests import unit
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class TestLoadAuthMethod(unit.BaseTestCase):
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def test_entrypoint_works(self):
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method = uuid.uuid4().hex
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plugin_name = self.getUniqueString()
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# Register the method using the given plugin
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cf = self.useFixture(config_fixture.Config())
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cf.register_opt(cfg.StrOpt(method), group='auth')
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cf.config(group='auth', **{method: plugin_name})
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# Setup stevedore.DriverManager to return a driver for the plugin
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extension_ = extension.Extension(
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plugin_name, entry_point=mock.sentinel.entry_point,
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plugin=mock.sentinel.plugin,
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obj=mock.sentinel.driver)
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auth_plugin_namespace = 'keystone.auth.%s' % method
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fake_driver_manager = stevedore.DriverManager.make_test_instance(
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extension_, namespace=auth_plugin_namespace)
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driver_manager_mock = self.useFixture(fixtures.MockPatchObject(
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stevedore, 'DriverManager', return_value=fake_driver_manager)).mock
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driver = controllers.load_auth_method(method)
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self.assertEqual(auth_plugin_namespace, fake_driver_manager.namespace)
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driver_manager_mock.assert_called_once_with(
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auth_plugin_namespace, plugin_name, invoke_on_load=True)
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self.assertIs(driver, mock.sentinel.driver)
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def test_entrypoint_fails_import_works(self):
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method = uuid.uuid4().hex
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plugin_name = self.getUniqueString()
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# Register the method using the given plugin
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cf = self.useFixture(config_fixture.Config())
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cf.register_opt(cfg.StrOpt(method), group='auth')
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cf.config(group='auth', **{method: plugin_name})
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# stevedore.DriverManager raises RuntimeError if it can't load the
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# driver.
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self.useFixture(fixtures.MockPatchObject(
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stevedore, 'DriverManager', side_effect=RuntimeError))
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self.useFixture(fixtures.MockPatchObject(
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importutils, 'import_object', return_value=mock.sentinel.driver))
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driver = controllers.load_auth_method(method)
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self.assertIs(driver, mock.sentinel.driver)
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def test_entrypoint_fails_import_fails(self):
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method = uuid.uuid4().hex
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plugin_name = self.getUniqueString()
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# Register the method using the given plugin
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cf = self.useFixture(config_fixture.Config())
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cf.register_opt(cfg.StrOpt(method), group='auth')
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cf.config(group='auth', **{method: plugin_name})
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# stevedore.DriverManager raises RuntimeError if it can't load the
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# driver.
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self.useFixture(fixtures.MockPatchObject(
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stevedore, 'DriverManager', side_effect=RuntimeError))
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class TestException(Exception):
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pass
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self.useFixture(fixtures.MockPatchObject(
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importutils, 'import_object', side_effect=TestException))
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self.assertRaises(TestException, controllers.load_auth_method, method)
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