d662581760
ResourceDefinition objects compare equal if they are generated from equivalent templates. Only the MRO stands between us and disaster (since both superclasses - ResourceDefinitionCore and collections.Mapping - define __eq__ methods), so add a test to confirm that we are getting the correct one. Change-Id: I8181f91f08fd81104fe493539511d6fd129522c8
207 lines
8.0 KiB
Python
207 lines
8.0 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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from heat.tests.common import HeatTestCase
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from heat.common import exception
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from heat.engine.cfn import functions as cfn_funcs
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from heat.engine.hot import functions as hot_funcs
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from heat.engine import properties
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from heat.engine import rsrc_defn
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class ResourceDefinitionTest(HeatTestCase):
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def make_me_one_with_everything(self):
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return rsrc_defn.ResourceDefinition(
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'rsrc', 'SomeType',
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properties={'Foo': cfn_funcs.Join(None,
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'Fn::Join',
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['a', ['b', 'r']]),
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'Blarg': 'wibble'},
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metadata={'Baz': cfn_funcs.Join(None,
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'Fn::Join',
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['u', ['q', '', 'x']])},
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depends=['other_resource'],
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deletion_policy='Retain',
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update_policy={'SomePolicy': {}})
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def test_properties_default(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType')
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self.assertEqual({}, rd.properties({}))
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def test_properties(self):
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rd = self.make_me_one_with_everything()
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schema = {
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'Foo': properties.Schema(properties.Schema.STRING),
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'Blarg': properties.Schema(properties.Schema.STRING, default=''),
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'Baz': properties.Schema(properties.Schema.STRING, default='quux'),
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}
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props = rd.properties(schema)
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self.assertEqual('bar', props['Foo'])
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self.assertEqual('wibble', props['Blarg'])
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self.assertEqual('quux', props['Baz'])
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def test_metadata_default(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType')
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self.assertEqual({}, rd.metadata())
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def test_metadata(self):
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rd = self.make_me_one_with_everything()
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metadata = rd.metadata()
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self.assertEqual({'Baz': 'quux'}, metadata)
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self.assertIsInstance(metadata['Baz'], basestring)
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def test_dependencies_default(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType')
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stack = {'foo': 'FOO', 'bar': 'BAR'}
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self.assertEqual([], list(rd.dependencies(stack)))
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def test_dependencies_explicit(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType', depends=['foo'])
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stack = {'foo': 'FOO', 'bar': 'BAR'}
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self.assertEqual(['FOO'], list(rd.dependencies(stack)))
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def test_dependencies_explicit_invalid(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType', depends=['baz'])
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stack = {'foo': 'FOO', 'bar': 'BAR'}
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self.assertRaises(exception.InvalidTemplateReference,
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lambda: list(rd.dependencies(stack)))
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def test_deletion_policy_default(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType')
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self.assertEqual(rsrc_defn.ResourceDefinition.DELETE,
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rd.deletion_policy())
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def test_deletion_policy(self):
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for policy in rsrc_defn.ResourceDefinition.DELETION_POLICIES:
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType',
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deletion_policy=policy)
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self.assertEqual(policy, rd.deletion_policy())
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def test_deletion_policy_invalid(self):
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self.assertRaises(AssertionError,
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rsrc_defn.ResourceDefinition,
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'rsrc', 'SomeType', deletion_policy='foo')
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def test_update_policy_default(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType')
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self.assertEqual({}, rd.update_policy({}))
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def test_update_policy(self):
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rd = self.make_me_one_with_everything()
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policy_schema = {'Foo': properties.Schema(properties.Schema.STRING,
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default='bar')}
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schema = {
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'SomePolicy': properties.Schema(properties.Schema.MAP,
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schema=policy_schema),
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}
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up = rd.update_policy(schema)
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self.assertEqual('bar', up['SomePolicy']['Foo'])
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def test_freeze(self):
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rd = self.make_me_one_with_everything()
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frozen = rd.freeze()
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self.assertEqual('bar', frozen._properties['Foo'])
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self.assertEqual('quux', frozen._metadata['Baz'])
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def test_freeze_override(self):
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rd = self.make_me_one_with_everything()
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frozen = rd.freeze(metadata={'Baz': 'wibble'})
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self.assertEqual('bar', frozen._properties['Foo'])
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self.assertEqual('wibble', frozen._metadata['Baz'])
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def test_render_hot(self):
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rd = self.make_me_one_with_everything()
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expected_hot = {
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'type': 'SomeType',
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'properties': {'Foo': {'Fn::Join': ['a', ['b', 'r']]},
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'Blarg': 'wibble'},
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'metadata': {'Baz': {'Fn::Join': ['u', ['q', '', 'x']]}},
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'depends_on': ['other_resource'],
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'deletion_policy': 'Retain',
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'update_policy': {'SomePolicy': {}},
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}
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self.assertEqual(expected_hot, rd.render_hot())
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def test_template_equality(self):
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class FakeStack(object):
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def __init__(self, params):
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self.parameters = params
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def get_param_defn(value):
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stack = FakeStack({'Foo': value})
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param_func = hot_funcs.GetParam(stack, 'get_param', 'Foo')
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return rsrc_defn.ResourceDefinition('rsrc', 'SomeType',
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{'Foo': param_func})
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self.assertEqual(get_param_defn('bar'), get_param_defn('baz'))
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def test_hash_equal(self):
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rd1 = self.make_me_one_with_everything()
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rd2 = self.make_me_one_with_everything()
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self.assertEqual(rd1, rd2)
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self.assertEqual(hash(rd1), hash(rd2))
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def test_hash_names(self):
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rd1 = rsrc_defn.ResourceDefinition('rsrc1', 'SomeType')
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rd2 = rsrc_defn.ResourceDefinition('rsrc2', 'SomeType')
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self.assertEqual(rd1, rd2)
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self.assertEqual(hash(rd1), hash(rd2))
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def test_hash_types(self):
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rd1 = rsrc_defn.ResourceDefinition('rsrc', 'SomeType1')
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rd2 = rsrc_defn.ResourceDefinition('rsrc', 'SomeType2')
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self.assertNotEqual(rd1, rd2)
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self.assertNotEqual(hash(rd1), hash(rd2))
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class ResourceDefinitionSnippetTest(HeatTestCase):
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def test_type(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType')
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self.assertEqual({'Type': 'SomeType'}, rd)
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def test_properties(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType',
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properties={'Foo': 'bar'})
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self.assertEqual({'Type': 'SomeType',
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'Properties': {'Foo': 'bar'}}, rd)
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def test_metadata(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType',
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metadata={'Foo': 'bar'})
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self.assertEqual({'Type': 'SomeType',
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'Metadata': {'Foo': 'bar'}}, rd)
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def test_deletion_policy(self):
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rd = rsrc_defn.ResourceDefinition(
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'rsrc', 'SomeType',
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deletion_policy=rsrc_defn.ResourceDefinition.RETAIN)
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self.assertEqual({'Type': 'SomeType',
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'DeletionPolicy': 'Retain'}, rd)
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def test_update_policy(self):
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rd = rsrc_defn.ResourceDefinition('rsrc', 'SomeType',
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update_policy={'Foo': 'bar'})
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self.assertEqual({'Type': 'SomeType',
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'UpdatePolicy': {'Foo': 'bar'}}, rd)
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