heat/heat/tests/test_common_env_util.py

229 lines
8.9 KiB
Python

#
# 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 json
from heat.common import environment_util as env_util
from heat.tests import common
from heat.tests import utils
class TestEnvironmentUtil(common.HeatTestCase):
def test_empty_merge_strategies(self):
merge_strategies = {}
param_strategy = env_util.get_param_merge_strategy(merge_strategies,
'param1')
self.assertEqual(env_util.OVERWRITE, param_strategy)
def test_default_merge_strategy(self):
merge_strategies = {'default': 'deep_merge'}
param_strategy = env_util.get_param_merge_strategy(merge_strategies,
'param1')
self.assertEqual(env_util.DEEP_MERGE, param_strategy)
def test_param_sepcific_merge_strategy(self):
merge_strategies = {'default': 'merge',
'param1': 'deep_merge'}
param_strategy = env_util.get_param_merge_strategy(merge_strategies,
'param1')
self.assertEqual(env_util.DEEP_MERGE, param_strategy)
def test_wrong_param_strategy(self):
merge_strategies = {'default': 'merge',
'param1': 'unknown'}
param_strategy = env_util.get_param_merge_strategy(merge_strategies,
'param1')
self.assertEqual(env_util.MERGE, param_strategy)
def test_merge_startegies_none(self):
merge_strategies = None
param_strategy = env_util.get_param_merge_strategy(merge_strategies,
'param1')
self.assertEqual(env_util.OVERWRITE, param_strategy)
class TestMergeEnvironments(common.HeatTestCase):
def setUp(self):
super(TestMergeEnvironments, self).setUp()
self.ctx = utils.dummy_context(tenant_id='stack_service_test_tenant')
# Setup
self.params = {'parameters': {
'str_value1': "test1",
'str_value2': "test2",
'del_lst_value1': '',
'del_lst_value2': '',
'lst_value1': [],
'lst_value2': [],
'json_value1': {},
'json_value2': {}},
'resource_registry': {}
}
self.env_1 = {'parameters': {
'str_value1': "string1",
'str_value2': "string2",
'del_lst_value1': '1,2',
'del_lst_value2': '3,4',
'lst_value1': [1, 2],
'lst_value2': [3, 4],
'json_value1': {"1": ["str1", "str2"]},
'json_value2': {"2": ["test1", "test2"]}},
'resource_registry': {
'test::R1': "OS::Heat::RandomString",
'test::R2': "BROKEN"}
}
self.env_2 = {'parameters': {
'str_value1': "string3",
'str_value2': "string4",
'del_lst_value1': '5,6',
'del_lst_value2': '7,8',
'lst_value1': [5, 6],
'lst_value2': [7, 8],
'json_value1': {"3": ["str3", "str4"]},
'json_value2': {"4": ["test3", "test4"]}},
'resource_registry': {
'test::R2': "OS::Heat::None"}
}
class mock_schema(object):
types = (MAP, LIST, STRING, NUMBER) = (
'json', 'comma_delimited_list', 'string', 'number')
def __init__(self, d):
self.__dict__ = d
self.param_schemata = {
'str_value1': mock_schema({
'type': "string"}),
'str_value2': mock_schema({
'type': "string"}),
'del_lst_value1': mock_schema({
'type': "comma_delimited_list"}),
'del_lst_value2': mock_schema({
'type': "comma_delimited_list"}),
'lst_value1': mock_schema({
'type': "comma_delimited_list"}),
'lst_value2': mock_schema({
'type': "comma_delimited_list"}),
'json_value1': mock_schema({
'type': "json"}),
'json_value2': mock_schema({
'type': "json"})
}
def test_merge_envs_with_param_default_merge_strategy(self):
files = {'env_1': json.dumps(self.env_1),
'env_2': json.dumps(self.env_2)}
environment_files = ['env_1', 'env_2']
# Test
env_util.merge_environments(environment_files, files, self.params,
self.param_schemata)
# Verify
expected = {'parameters': {
'json_value1': {u'3': [u'str3', u'str4']},
'json_value2': {u'4': [u'test3', u'test4']},
'del_lst_value1': '5,6',
'del_lst_value2': '7,8',
'lst_value1': [5, 6],
'lst_value2': [7, 8],
'str_value1': u'string3',
'str_value2': u'string4'},
'resource_registry': {
'test::R1': "OS::Heat::RandomString",
'test::R2': "OS::Heat::None"}}
self.assertEqual(expected, self.params)
def test_merge_envs_with_specified_default(self):
merge_strategies = {'default': 'deep_merge'}
self.env_2['parameter_merge_strategies'] = merge_strategies
files = {'env_1': json.dumps(self.env_1),
'env_2': json.dumps(self.env_2)}
environment_files = ['env_1', 'env_2']
# Test
env_util.merge_environments(environment_files, files, self.params,
self.param_schemata)
# Verify
expected = {'parameters': {
'json_value1': {u'3': [u'str3', u'str4'],
u'1': [u'str1', u'str2']}, # added
'json_value2': {u'4': [u'test3', u'test4'],
u'2': [u'test1', u'test2']},
'del_lst_value1': '1,2,5,6',
'del_lst_value2': '3,4,7,8',
'lst_value1': [1, 2, 5, 6], # added
'lst_value2': [3, 4, 7, 8],
'str_value1': u'string1string3',
'str_value2': u'string2string4'},
'resource_registry': {
'test::R1': "OS::Heat::RandomString",
'test::R2': "OS::Heat::None"}}
self.assertEqual(expected, self.params)
def test_merge_envs_with_param_specific_merge_strategy(self):
merge_strategies = {
'default': "overwrite",
'lst_value1': "merge",
'json_value1': "deep_merge"}
self.env_2['parameter_merge_strategies'] = merge_strategies
files = {'env_1': json.dumps(self.env_1),
'env_2': json.dumps(self.env_2)}
environment_files = ['env_1', 'env_2']
# Test
env_util.merge_environments(environment_files, files, self.params,
self.param_schemata)
# Verify
expected = {'parameters': {
'json_value1': {u'3': [u'str3', u'str4'],
u'1': [u'str1', u'str2']}, # added
'json_value2': {u'4': [u'test3', u'test4']},
'del_lst_value1': '5,6',
'del_lst_value2': '7,8',
'lst_value1': [1, 2, 5, 6], # added
'lst_value2': [7, 8],
'str_value1': u'string3',
'str_value2': u'string4'},
'resource_registry': {
'test::R1': 'OS::Heat::RandomString',
'test::R2': 'OS::Heat::None'}}
self.assertEqual(expected, self.params)
def test_merge_environments_no_env_files(self):
files = {'env_1': json.dumps(self.env_1)}
# Test - Should ignore env_1 in files
env_util.merge_environments(None, files, self.params,
self.param_schemata)
# Verify
expected = {'parameters': {
'str_value1': "test1",
'str_value2': "test2",
'del_lst_value1': '',
'del_lst_value2': '',
'lst_value1': [],
'lst_value2': [],
'json_value1': {},
'json_value2': {}},
'resource_registry': {}}
self.assertEqual(expected, self.params)