Add integration tests for preview update
Change-Id: Ie67da09ad32185a18493fded18e24894b8c195d4
BP: update-dry-run
diff --git a/functional/test_preview_update.py b/functional/test_preview_update.py
new file mode 100644
index 0000000..85306de
--- /dev/null
+++ b/functional/test_preview_update.py
@@ -0,0 +1,173 @@
+# 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.functional import functional_base
+
+test_template_one_resource = {
+ 'heat_template_version': '2013-05-23',
+ 'description': 'Test template to create one instance.',
+ 'resources': {
+ 'test1': {
+ 'type': 'OS::Heat::TestResource',
+ 'properties': {
+ 'value': 'Test1',
+ 'fail': False,
+ 'update_replace': False,
+ 'wait_secs': 0
+ }
+ }
+ }
+}
+
+test_template_two_resource = {
+ 'heat_template_version': '2013-05-23',
+ 'description': 'Test template to create two instance.',
+ 'resources': {
+ 'test1': {
+ 'type': 'OS::Heat::TestResource',
+ 'properties': {
+ 'value': 'Test1',
+ 'fail': False,
+ 'update_replace': False,
+ 'wait_secs': 0
+ }
+ },
+ 'test2': {
+ 'type': 'OS::Heat::TestResource',
+ 'properties': {
+ 'value': 'Test1',
+ 'fail': False,
+ 'update_replace': False,
+ 'wait_secs': 0
+ }
+ }
+ }
+}
+
+
+class UpdatePreviewStackTest(functional_base.FunctionalTestsBase):
+
+ def setUp(self):
+ super(UpdatePreviewStackTest, self).setUp()
+ self.stack_identifier = self.stack_create(
+ template=test_template_one_resource)
+
+ def test_add_resource(self):
+ result = self.preview_update_stack(self.stack_identifier,
+ test_template_two_resource)
+ changes = result['resource_changes']
+
+ unchanged = changes['unchanged'][0]['resource_name']
+ self.assertEqual('test1', unchanged)
+
+ added = changes['added'][0]['resource_name']
+ self.assertEqual('test2', added)
+
+ empty_sections = ('updated', 'replaced', 'deleted')
+ for section in empty_sections:
+ self.assertEqual([], changes[section])
+
+ def test_no_change(self):
+ result = self.preview_update_stack(self.stack_identifier,
+ test_template_one_resource)
+ changes = result['resource_changes']
+
+ unchanged = changes['unchanged'][0]['resource_name']
+ self.assertEqual('test1', unchanged)
+
+ empty_sections = ('updated', 'replaced', 'deleted', 'added')
+ for section in empty_sections:
+ self.assertEqual([], changes[section])
+
+ def test_update_resource(self):
+ test_template_updated_resource = {
+ 'heat_template_version': '2013-05-23',
+ 'description': 'Test template to create one instance.',
+ 'resources': {
+ 'test1': {
+ 'type': 'OS::Heat::TestResource',
+ 'properties': {
+ 'value': 'Test1 foo',
+ 'fail': False,
+ 'update_replace': False,
+ 'wait_secs': 0
+ }
+ }
+ }
+ }
+
+ result = self.preview_update_stack(self.stack_identifier,
+ test_template_updated_resource)
+ changes = result['resource_changes']
+
+ updated = changes['updated'][0]['resource_name']
+ self.assertEqual('test1', updated)
+
+ empty_sections = ('added', 'unchanged', 'replaced', 'deleted')
+ for section in empty_sections:
+ self.assertEqual([], changes[section])
+
+ def test_replaced_resource(self):
+ orig_template = {
+ 'heat_template_version': '2013-05-23',
+ 'description': 'Test template to create one instance.',
+ 'resources': {
+ 'test1': {
+ 'type': 'OS::Heat::TestResource',
+ 'properties': {
+ 'update_replace': False,
+ }
+ }
+ }
+ }
+
+ new_template = {
+ 'heat_template_version': '2013-05-23',
+ 'description': 'Test template to create one instance.',
+ 'resources': {
+ 'test1': {
+ 'type': 'OS::Heat::TestResource',
+ 'properties': {
+ 'update_replace': True,
+ }
+ }
+ }
+ }
+
+ stack_identifier = self.stack_create(template=orig_template)
+ result = self.preview_update_stack(stack_identifier, new_template)
+ changes = result['resource_changes']
+
+ replaced = changes['replaced'][0]['resource_name']
+ self.assertEqual('test1', replaced)
+
+ empty_sections = ('added', 'unchanged', 'updated', 'deleted')
+ for section in empty_sections:
+ self.assertEqual([], changes[section])
+
+ def test_delete_resource(self):
+ stack_identifier = self.stack_create(
+ template=test_template_two_resource)
+ result = self.preview_update_stack(stack_identifier,
+ test_template_one_resource)
+ changes = result['resource_changes']
+
+ unchanged = changes['unchanged'][0]['resource_name']
+ self.assertEqual('test1', unchanged)
+
+ deleted = changes['deleted'][0]['resource_name']
+ self.assertEqual('test2', deleted)
+
+ empty_sections = ('updated', 'replaced', 'added')
+ for section in empty_sections:
+ self.assertEqual([], changes[section])