1 files changed, 52 insertions, 0 deletions
diff --git a/keystone-moon/keystone/tests/unit/test_v3_controller.py b/keystone-moon/keystone/tests/unit/test_v3_controller.py
new file mode 100644
index 00000000..3ac4ba5a
--- /dev/null
+++ b/keystone-moon/keystone/tests/unit/test_v3_controller.py
@@ -0,0 +1,52 @@
+# Copyright 2014 CERN.
+#
+# 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 six
+from testtools import matchers
+
+from keystone.common import controller
+from keystone import exception
+from keystone.tests import unit as tests
+
+
+class V3ControllerTestCase(tests.TestCase):
+    """Tests for the V3Controller class."""
+    def setUp(self):
+        super(V3ControllerTestCase, self).setUp()
+
+        class ControllerUnderTest(controller.V3Controller):
+            _mutable_parameters = frozenset(['hello', 'world'])
+
+        self.api = ControllerUnderTest()
+
+    def test_check_immutable_params(self):
+        """Pass valid parameters to the method and expect no failure."""
+        ref = {
+            'hello': uuid.uuid4().hex,
+            'world': uuid.uuid4().hex
+        }
+        self.api.check_immutable_params(ref)
+
+    def test_check_immutable_params_fail(self):
+        """Pass invalid parameter to the method and expect failure."""
+        ref = {uuid.uuid4().hex: uuid.uuid4().hex for _ in range(3)}
+
+        ex = self.assertRaises(exception.ImmutableAttributeError,
+                               self.api.check_immutable_params, ref)
+        ex_msg = six.text_type(ex)
+        self.assertThat(ex_msg, matchers.Contains(self.api.__class__.__name__))
+        for key in ref.keys():
+            self.assertThat(ex_msg, matchers.Contains(key))