068831ccd8
With this change MuranoPackage becomes first-class DSL citizen. Packages have version, runtime_version (that is specified in Format attribute of the manifest file) and a list of classes. Previously engine used to have package loader which had most of "load" functionality and class loader that mostly acted as an adapter from package loader to interface that DSL used to get classes. Now class loader is gone and is replaced with package loader at the DSL level. Package loader is responsible for loading packages by either package or class name (as it was before) plus semantic_version spec (for example ">=1.2,<2.0"). Package loader can now keep track of several versions of the same package. Also packages now have requirements with version specs. All class names that are encountered in application code are looked up within requirements only. As a consequence packages that use other packages without referencing them explicitly will become broken. An exception from this rule is core library which is referenced automatically. Partially implements: blueprint murano-versioning Change-Id: I8789ba45b6210e71bf4977a766f82b66d2a2d270
221 lines
7.8 KiB
Python
221 lines
7.8 KiB
Python
# Copyright (c) 2014 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from heatclient.v1 import stacks
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import mock
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from murano.dsl import constants
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from murano.dsl import helpers
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from murano.dsl import murano_class
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from murano.dsl import object_store
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from murano.engine import client_manager
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from murano.engine import environment
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from murano.engine.system import heat_stack
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from murano.tests.unit import base
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MOD_NAME = 'murano.engine.system.heat_stack'
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class TestHeatStack(base.MuranoTestCase):
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def setUp(self):
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super(TestHeatStack, self).setUp()
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self.mock_murano_class = mock.Mock(spec=murano_class.MuranoClass)
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self.mock_murano_class.name = 'io.murano.system.HeatStack'
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self.mock_murano_class.declared_parents = []
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self.heat_client_mock = mock.MagicMock()
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self.heat_client_mock.stacks = mock.MagicMock(spec=stacks.StackManager)
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self.mock_object_store = mock.Mock(spec=object_store.ObjectStore)
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self.environment_mock = mock.Mock(
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spec=environment.Environment)
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client_manager_mock = mock.Mock(spec=client_manager.ClientManager)
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client_manager_mock.get_heat_client.return_value = \
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self.heat_client_mock
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self.environment_mock.clients = client_manager_mock
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@mock.patch(MOD_NAME + '.HeatStack._wait_state')
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@mock.patch(MOD_NAME + '.HeatStack._get_status')
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def test_push_adds_version(self, status_get, wait_st):
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"""Assert that if heat_template_version is omitted, it's added."""
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status_get.return_value = 'NOT_FOUND'
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wait_st.return_value = {}
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context = {constants.CTX_ENVIRONMENT: self.environment_mock}
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with helpers.contextual(context):
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hs = heat_stack.HeatStack(
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'test-stack', 'Generated by TestHeatStack')
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hs._template = {'resources': {'test': 1}}
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hs._files = {}
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hs._hot_environment = ''
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hs._parameters = {}
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hs._applied = False
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hs.push()
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with helpers.contextual(context):
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hs = heat_stack.HeatStack(
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'test-stack', 'Generated by TestHeatStack')
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hs._template = {'resources': {'test': 1}}
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hs._files = {}
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hs._parameters = {}
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hs._applied = False
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hs.push()
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expected_template = {
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'heat_template_version': '2013-05-23',
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'description': 'Generated by TestHeatStack',
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'resources': {'test': 1}
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}
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self.heat_client_mock.stacks.create.assert_called_with(
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stack_name='test-stack',
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disable_rollback=True,
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parameters={},
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template=expected_template,
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files={},
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environment=''
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)
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self.assertTrue(hs._applied)
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@mock.patch(MOD_NAME + '.HeatStack._wait_state')
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@mock.patch(MOD_NAME + '.HeatStack._get_status')
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def test_description_is_optional(self, status_get, wait_st):
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"""Assert that if heat_template_version is omitted, it's added."""
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status_get.return_value = 'NOT_FOUND'
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wait_st.return_value = {}
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context = {constants.CTX_ENVIRONMENT: self.environment_mock}
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with helpers.contextual(context):
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hs = heat_stack.HeatStack('test-stack', None)
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hs._template = {'resources': {'test': 1}}
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hs._files = {}
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hs._hot_environment = ''
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hs._parameters = {}
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hs._applied = False
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hs.push()
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expected_template = {
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'heat_template_version': '2013-05-23',
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'resources': {'test': 1}
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}
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self.heat_client_mock.stacks.create.assert_called_with(
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stack_name='test-stack',
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disable_rollback=True,
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parameters={},
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template=expected_template,
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files={},
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environment=''
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)
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self.assertTrue(hs._applied)
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@mock.patch(MOD_NAME + '.HeatStack._wait_state')
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@mock.patch(MOD_NAME + '.HeatStack._get_status')
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def test_heat_files_are_sent(self, status_get, wait_st):
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"""Assert that if heat_template_version is omitted, it's added."""
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status_get.return_value = 'NOT_FOUND'
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wait_st.return_value = {}
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context = {constants.CTX_ENVIRONMENT: self.environment_mock}
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with helpers.contextual(context):
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hs = heat_stack.HeatStack('test-stack', None)
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hs._description = None
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hs._template = {'resources': {'test': 1}}
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hs._files = {"heatFile": "file"}
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hs._hot_environment = ''
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hs._parameters = {}
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hs._applied = False
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hs.push()
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expected_template = {
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'heat_template_version': '2013-05-23',
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'resources': {'test': 1}
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}
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self.heat_client_mock.stacks.create.assert_called_with(
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stack_name='test-stack',
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disable_rollback=True,
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parameters={},
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template=expected_template,
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files={"heatFile": "file"},
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environment=''
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)
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self.assertTrue(hs._applied)
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@mock.patch(MOD_NAME + '.HeatStack._wait_state')
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@mock.patch(MOD_NAME + '.HeatStack._get_status')
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def test_heat_environments_are_sent(self, status_get, wait_st):
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"""Assert that if heat_template_version is omitted, it's added."""
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status_get.return_value = 'NOT_FOUND'
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wait_st.return_value = {}
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context = {constants.CTX_ENVIRONMENT: self.environment_mock}
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with helpers.contextual(context):
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hs = heat_stack.HeatStack('test-stack', None)
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hs._description = None
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hs._template = {'resources': {'test': 1}}
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hs._files = {"heatFile": "file"}
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hs._hot_environment = 'environments'
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hs._parameters = {}
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hs._applied = False
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hs.push()
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expected_template = {
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'heat_template_version': '2013-05-23',
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'resources': {'test': 1}
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}
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self.heat_client_mock.stacks.create.assert_called_with(
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stack_name='test-stack',
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disable_rollback=True,
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parameters={},
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template=expected_template,
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files={"heatFile": "file"},
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environment='environments',
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)
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self.assertTrue(hs._applied)
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@mock.patch(MOD_NAME + '.HeatStack.current')
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def test_update_wrong_template_version(self, current):
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"""Template version other than expected should cause error."""
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context = {constants.CTX_ENVIRONMENT: self.environment_mock}
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with helpers.contextual(context):
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hs = heat_stack.HeatStack(
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'test-stack', 'Generated by TestHeatStack')
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hs._template = {'resources': {'test': 1}}
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invalid_template = {
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'heat_template_version': 'something else'
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}
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current.return_value = {}
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e = self.assertRaises(heat_stack.HeatStackError,
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hs.update_template,
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invalid_template)
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err_msg = "Currently only heat_template_version 2013-05-23 "\
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"is supported."
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self.assertEqual(err_msg, str(e))
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# Check it's ok without a version
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hs.update_template({})
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expected = {'resources': {'test': 1}}
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self.assertEqual(expected, hs._template)
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# .. or with a good version
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hs.update_template({'heat_template_version': '2013-05-23'})
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expected['heat_template_version'] = '2013-05-23'
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self.assertEqual(expected, hs._template)
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