1 files changed, 98 insertions, 0 deletions
diff --git a/keystone-moon/keystone/tests/unit/auth/test_controllers.py b/keystone-moon/keystone/tests/unit/auth/test_controllers.py
new file mode 100644
index 00000000..76f2776a
--- /dev/null
+++ b/keystone-moon/keystone/tests/unit/auth/test_controllers.py
@@ -0,0 +1,98 @@
+# Copyright 2015 IBM Corp.
+
+# 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 uuid
+
+import mock
+from oslo_config import cfg
+from oslo_config import fixture as config_fixture
+from oslo_utils import importutils
+from oslotest import mockpatch
+import stevedore
+from stevedore import extension
+
+from keystone.auth import controllers
+from keystone.tests import unit
+
+
+class TestLoadAuthMethod(unit.BaseTestCase):
+    def test_entrypoint_works(self):
+        method = uuid.uuid4().hex
+        plugin_name = self.getUniqueString()
+
+        # Register the method using the given plugin
+        cf = self.useFixture(config_fixture.Config())
+        cf.register_opt(cfg.StrOpt(method), group='auth')
+        cf.config(group='auth', **{method: plugin_name})
+
+        # Setup stevedore.DriverManager to return a driver for the plugin
+        extension_ = extension.Extension(
+            plugin_name, entry_point=mock.sentinel.entry_point,
+            plugin=mock.sentinel.plugin,
+            obj=mock.sentinel.driver)
+        auth_plugin_namespace = 'keystone.auth.%s' % method
+        fake_driver_manager = stevedore.DriverManager.make_test_instance(
+            extension_, namespace=auth_plugin_namespace)
+
+        driver_manager_mock = self.useFixture(mockpatch.PatchObject(
+            stevedore, 'DriverManager', return_value=fake_driver_manager)).mock
+
+        driver = controllers.load_auth_method(method)
+
+        self.assertEqual(auth_plugin_namespace, fake_driver_manager.namespace)
+        driver_manager_mock.assert_called_once_with(
+            auth_plugin_namespace, plugin_name, invoke_on_load=True)
+        self.assertIs(driver, mock.sentinel.driver)
+
+    def test_entrypoint_fails_import_works(self):
+        method = uuid.uuid4().hex
+        plugin_name = self.getUniqueString()
+
+        # Register the method using the given plugin
+        cf = self.useFixture(config_fixture.Config())
+        cf.register_opt(cfg.StrOpt(method), group='auth')
+        cf.config(group='auth', **{method: plugin_name})
+
+        # stevedore.DriverManager raises RuntimeError if it can't load the
+        # driver.
+        self.useFixture(mockpatch.PatchObject(
+            stevedore, 'DriverManager', side_effect=RuntimeError))
+
+        self.useFixture(mockpatch.PatchObject(
+            importutils, 'import_object', return_value=mock.sentinel.driver))
+
+        driver = controllers.load_auth_method(method)
+        self.assertIs(driver, mock.sentinel.driver)
+
+    def test_entrypoint_fails_import_fails(self):
+        method = uuid.uuid4().hex
+        plugin_name = self.getUniqueString()
+
+        # Register the method using the given plugin
+        cf = self.useFixture(config_fixture.Config())
+        cf.register_opt(cfg.StrOpt(method), group='auth')
+        cf.config(group='auth', **{method: plugin_name})
+
+        # stevedore.DriverManager raises RuntimeError if it can't load the
+        # driver.
+        self.useFixture(mockpatch.PatchObject(
+            stevedore, 'DriverManager', side_effect=RuntimeError))
+
+        class TestException(Exception):
+            pass
+
+        self.useFixture(mockpatch.PatchObject(
+            importutils, 'import_object', side_effect=TestException))
+
+        self.assertRaises(TestException, controllers.load_auth_method, method)