281 lines
11 KiB
Python
281 lines
11 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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import json
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from heat.common import environment_util as env_util
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from heat.common import exception
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from heat.engine import parameters
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from heat.tests import common
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from heat.tests import utils
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class TestEnvironmentUtil(common.HeatTestCase):
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def test_empty_merge_strategies(self):
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merge_strategies = {}
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param_strategy = env_util.get_param_merge_strategy(merge_strategies,
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'param1')
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self.assertEqual(env_util.OVERWRITE, param_strategy)
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def test_default_merge_strategy(self):
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merge_strategies = {'default': 'deep_merge'}
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param_strategy = env_util.get_param_merge_strategy(merge_strategies,
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'param1')
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self.assertEqual(env_util.DEEP_MERGE, param_strategy)
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def test_param_sepcific_merge_strategy(self):
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merge_strategies = {'default': 'merge',
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'param1': 'deep_merge'}
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param_strategy = env_util.get_param_merge_strategy(merge_strategies,
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'param1')
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self.assertEqual(env_util.DEEP_MERGE, param_strategy)
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def test_wrong_param_strategy(self):
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merge_strategies = {'default': 'merge',
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'param1': 'unknown'}
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param_strategy = env_util.get_param_merge_strategy(merge_strategies,
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'param1')
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self.assertEqual(env_util.MERGE, param_strategy)
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def test_merge_startegies_none(self):
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merge_strategies = None
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param_strategy = env_util.get_param_merge_strategy(merge_strategies,
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'param1')
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self.assertEqual(env_util.OVERWRITE, param_strategy)
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class TestMergeEnvironments(common.HeatTestCase):
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def setUp(self):
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super(TestMergeEnvironments, self).setUp()
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self.ctx = utils.dummy_context(tenant_id='stack_service_test_tenant')
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# Setup
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self.params = {'parameters': {},
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'resource_registry': {},
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'parameter_defaults': {}}
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self.env_1 = {'parameters': {
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'str_value1': "string1",
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'str_value2': "string2",
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'del_lst_value1': '1,2',
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'del_lst_value2': '3,4',
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'lst_value1': [1, 2],
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'json_value1': {"1": ["str1", "str2"]},
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'json_value2': {"2": ["test1", "test2"]}},
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'resource_registry': {
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'test::R1': "OS::Heat::RandomString",
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'test::R2': "BROKEN"},
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'parameter_defaults': {
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'lst_value2': [3, 4]}}
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self.env_2 = {'parameters': {
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'str_value1': "string3",
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'str_value2': "string4",
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'del_lst_value1': '5,6',
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'del_lst_value2': '7,8',
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'lst_value1': [5, 6],
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'json_value1': {"3": ["str3", "str4"]},
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'json_value2': {"4": ["test3", "test4"]}},
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'resource_registry': {
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'test::R2': "OS::Heat::None"},
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'parameter_defaults': {
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'lst_value2': [7, 8]}}
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self.env_3 = {'parameters': {
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'lst_value1': [9, 10],
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'json_value1': {"5": ["str5"]}}}
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self.env_4 = {'parameter_defaults': {
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'lst_value2': [9, 10]}}
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self.param_schemata = {
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'str_value1': parameters.Schema(parameters.Schema.STRING),
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'str_value2': parameters.Schema(parameters.Schema.STRING),
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'del_lst_value1': parameters.Schema(parameters.Schema.LIST),
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'del_lst_value2': parameters.Schema(parameters.Schema.LIST),
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'lst_value1': parameters.Schema(parameters.Schema.LIST,
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default=[7]),
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'lst_value2': parameters.Schema(parameters.Schema.LIST),
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'json_value1': parameters.Schema(parameters.Schema.MAP),
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'json_value2': parameters.Schema(parameters.Schema.MAP)}
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def test_merge_envs_with_param_default_merge_strategy(self):
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files = {'env_1': json.dumps(self.env_1),
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'env_2': json.dumps(self.env_2)}
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environment_files = ['env_1', 'env_2']
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# Test
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env_util.merge_environments(environment_files, files, self.params,
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self.param_schemata)
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# Verify
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expected = {'parameters': {
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'json_value1': {u'3': [u'str3', u'str4']},
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'json_value2': {u'4': [u'test3', u'test4']},
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'del_lst_value1': '5,6',
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'del_lst_value2': '7,8',
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'lst_value1': [5, 6],
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'str_value1': u'string3',
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'str_value2': u'string4'},
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'resource_registry': {
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'test::R1': "OS::Heat::RandomString",
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'test::R2': "OS::Heat::None"},
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'parameter_defaults': {
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'lst_value2': [7, 8]}}
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self.assertEqual(expected, self.params)
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def test_merge_envs_with_specified_default(self):
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merge_strategies = {'default': 'deep_merge'}
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self.env_2['parameter_merge_strategies'] = merge_strategies
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files = {'env_1': json.dumps(self.env_1),
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'env_2': json.dumps(self.env_2)}
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environment_files = ['env_1', 'env_2']
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# Test
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env_util.merge_environments(environment_files, files, self.params,
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self.param_schemata)
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# Verify
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expected = {'parameters': {
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'json_value1': {u'3': [u'str3', u'str4'],
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u'1': [u'str1', u'str2']}, # added
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'json_value2': {u'4': [u'test3', u'test4'],
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u'2': [u'test1', u'test2']},
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'del_lst_value1': '1,2,5,6',
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'del_lst_value2': '3,4,7,8',
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'lst_value1': [1, 2, 5, 6], # added
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'str_value1': u'string1string3',
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'str_value2': u'string2string4'},
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'resource_registry': {
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'test::R1': "OS::Heat::RandomString",
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'test::R2': "OS::Heat::None"},
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'parameter_defaults': {
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'lst_value2': [3, 4, 7, 8]}}
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self.assertEqual(expected, self.params)
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def test_merge_envs_with_param_specific_merge_strategy(self):
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merge_strategies = {
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'default': 'overwrite',
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'lst_value1': 'merge',
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'lst_value2': 'merge',
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'json_value1': 'deep_merge'}
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self.env_2['parameter_merge_strategies'] = merge_strategies
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files = {'env_1': json.dumps(self.env_1),
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'env_2': json.dumps(self.env_2)}
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environment_files = ['env_1', 'env_2']
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# Test
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env_util.merge_environments(environment_files, files, self.params,
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self.param_schemata)
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# Verify
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expected = {'parameters': {
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'json_value1': {u'3': [u'str3', u'str4'],
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u'1': [u'str1', u'str2']}, # added
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'json_value2': {u'4': [u'test3', u'test4']},
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'del_lst_value1': '5,6',
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'del_lst_value2': '7,8',
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'lst_value1': [1, 2, 5, 6], # added
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'str_value1': u'string3',
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'str_value2': u'string4'},
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'resource_registry': {
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'test::R1': 'OS::Heat::RandomString',
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'test::R2': 'OS::Heat::None'},
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'parameter_defaults': {
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'lst_value2': [3, 4, 7, 8]}}
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self.assertEqual(expected, self.params)
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def test_merge_envs_with_param_conflicting_merge_strategy(self):
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merge_strategies = {
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'default': "overwrite",
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'lst_value1': "merge",
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'json_value1': "deep_merge"}
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self.env_2['parameter_merge_strategies'] = merge_strategies
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files = {'env_1': json.dumps(self.env_1),
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'env_2': json.dumps(self.env_2),
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'env_3': json.dumps(self.env_3)}
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environment_files = ['env_1', 'env_2', 'env_3']
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# Test
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self.assertRaises(exception.ConflictingMergeStrategyForParam,
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env_util.merge_environments,
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environment_files, files,
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self.params, self.param_schemata)
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def test_merge_envs_with_param_defaults_conflicting_merge_strategy(self):
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merge_strategies = {
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'default': "overwrite",
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'lst_value2': "merge"}
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self.env_2['parameter_merge_strategies'] = merge_strategies
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files = {'env_1': json.dumps(self.env_1),
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'env_2': json.dumps(self.env_2),
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'env_4': json.dumps(self.env_4)}
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environment_files = ['env_1', 'env_2', 'env_4']
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# Test
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self.assertRaises(exception.ConflictingMergeStrategyForParam,
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env_util.merge_environments,
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environment_files, files,
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self.params, self.param_schemata)
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def test_merge_environments_no_env_files(self):
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files = {'env_1': json.dumps(self.env_1)}
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# Test - Should ignore env_1 in files
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env_util.merge_environments(None, files, self.params,
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self.param_schemata)
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# Verify
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expected = {'parameters': {},
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'resource_registry': {},
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'parameter_defaults': {}}
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self.assertEqual(expected, self.params)
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def test_merge_envs_with_zeros(self):
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env1 = {'parameter_defaults': {'value1': 1}}
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env2 = {'parameter_defaults': {'value1': 0}}
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files = {'env_1': json.dumps(env1),
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'env_2': json.dumps(env2)}
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environment_files = ['env_1', 'env_2']
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param_schemata = {
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'value1': parameters.Schema(parameters.Schema.NUMBER)}
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env_util.merge_environments(environment_files, files, self.params,
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param_schemata)
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self.assertEqual({'value1': 0}, self.params['parameter_defaults'])
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def test_merge_envs_with_zeros_in_maps(self):
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env1 = {'parameter_defaults': {'value1': {'foo': 1}}}
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env2 = {'parameter_defaults': {'value1': {'foo': 0}},
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'parameter_merge_strategies': {'value1': 'deep_merge'}}
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files = {'env_1': json.dumps(env1),
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'env_2': json.dumps(env2)}
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environment_files = ['env_1', 'env_2']
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param_schemata = {
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'value1': parameters.Schema(parameters.Schema.MAP)}
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env_util.merge_environments(environment_files, files, self.params,
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param_schemata)
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self.assertEqual({'value1': {'foo': 0}},
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self.params['parameter_defaults'])
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