Initial Environment class and test

This implements the "resource-registry" and "parameters" section
I am holding off on the "properties" section until we really
know we need it.

blueprint environments
Change-Id: Ib6e9e5cd1c68c255dc048bdde21a6b3e1dc54243

1 files changed, 64 insertions, 0 deletions

diff --git a/heat/tests/test_environment.py b/heat/tests/test_environment.py
new file mode 100644
index 000000000..a3363954f
--- /dev/null
+++ b/heat/tests/test_environment.py
@@ -0,0 +1,64 @@
+# vim: tabstop=4 shiftwidth=4 softtabstop=4
+
+#
+#    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 testtools
+
+from heat.engine import environment
+
+
+class EnvironmentTest(testtools.TestCase):
+    def test_load_old_parameters(self):
+        old = {u'a': u'ff', u'b': u'ss'}
+        expected = {u'parameters': old,
+                    u'resource_registry': {u'resources': {}}}
+        env = environment.Environment(old)
+        self.assertEqual(expected, env.user_env_as_dict())
+
+    def test_load_new_env(self):
+        new_env = {u'parameters': {u'a': u'ff', u'b': u'ss'},
+                   u'resource_registry': {u'OS::Food': 'fruity'}}
+        env = environment.Environment(new_env)
+        self.assertEqual(new_env, env.user_env_as_dict())
+
+    def test_global_registry(self):
+        new_env = {u'parameters': {u'a': u'ff', u'b': u'ss'},
+                   u'resource_registry': {u'OS::*': 'CloudX::*'}}
+        env = environment.Environment(new_env)
+        self.assertEqual('CloudX::Compute::Server',
+                         env.get_resource_type('OS::Compute::Server',
+                                               'my_db_server'))
+
+    def test_map_one_resource_type(self):
+        new_env = {u'parameters': {u'a': u'ff', u'b': u'ss'},
+                   u'resource_registry': {u'resources':
+                                          {u'my_db_server':
+                                           {u'OS::DBInstance': 'db.yaml'}}}}
+        env = environment.Environment(new_env)
+        self.assertEqual('db.yaml',
+                         env.get_resource_type('OS::DBInstance',
+                                               'my_db_server'))
+        self.assertEqual('OS::Compute::Server',
+                         env.get_resource_type('OS::Compute::Server',
+                                               'my_other_server'))
+
+    def test_map_all_resources_of_type(self):
+        new_env = {u'parameters': {u'a': u'ff', u'b': u'ss'},
+                   u'resource_registry':
+                   {u'OS::Networking::FloatingIP': 'OS::Nova::FloatingIP',
+                    u'OS::Loadbalancer': 'lb.yaml'}}
+        env = environment.Environment(new_env)
+        self.assertEqual('OS::Nova::FloatingIP',
+                         env.get_resource_type('OS::Networking::FloatingIP',
+                                               'my_fip'))