Adding functional integration test for encrypted parameters.

Change-Id: Ie32e3681cf860ee62296f7daea1836f6eb65542f
diff --git a/functional/test_encrypted_parameter.py b/functional/test_encrypted_parameter.py
new file mode 100644
index 0000000..c862f17
--- /dev/null
+++ b/functional/test_encrypted_parameter.py
@@ -0,0 +1,48 @@
+#    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.
+
+from heat_integrationtests.common import test
+
+
+class EncryptedParametersTest(test.HeatIntegrationTest):
+
+    template = '''
+heat_template_version: 2013-05-23
+parameters:
+  foo:
+    type: string
+    description: Parameter with encryption turned on
+    hidden: true
+    default: secret
+outputs:
+  encrypted_foo_param:
+    description: ''
+    value: {get_param: foo}
+'''
+
+    def setUp(self):
+        super(EncryptedParametersTest, self).setUp()
+        self.client = self.orchestration_client
+
+    def test_db_encryption(self):
+        # Create a stack with a non-default value for 'foo' to be encrypted
+        foo_param = 'my_encrypted_foo'
+        stack_identifier = self.stack_create(
+            template=self.template,
+            parameters={'foo': foo_param}
+        )
+        stack = self.client.stacks.get(stack_identifier)
+
+        # Verify the output value for 'foo' parameter
+        for out in stack.outputs:
+            if out['output_key'] == 'encrypted_foo_param':
+                self.assertEqual(foo_param, out['output_value'])