162 lines
5.5 KiB
Python
162 lines
5.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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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 testtools import skipIf
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import os
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from heat.engine import clients
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from heat.common import template_format
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from heat.tests.common import HeatTestCase
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from heat.tests.utils import setup_dummy_db
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from heat.tests.utils import parse_stack
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class JsonToYamlTest(HeatTestCase):
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def setUp(self):
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super(JsonToYamlTest, self).setUp()
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self.expected_test_count = 2
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self.longMessage = True
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self.maxDiff = None
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def test_convert_all_templates(self):
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path = os.path.join(os.path.dirname(os.path.realpath(__file__)),
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'templates')
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template_test_count = 0
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for (json_str,
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yml_str,
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file_name) in self.convert_all_json_to_yaml(path):
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self.compare_json_vs_yaml(json_str, yml_str, file_name)
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template_test_count += 1
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if template_test_count >= self.expected_test_count:
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break
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self.assertTrue(template_test_count >= self.expected_test_count,
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'Expected at least %d templates to be tested, not %d' %
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(self.expected_test_count, template_test_count))
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def compare_json_vs_yaml(self, json_str, yml_str, file_name):
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yml = template_format.parse(yml_str)
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self.assertEqual(u'2012-12-12', yml[u'HeatTemplateFormatVersion'],
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file_name)
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self.assertFalse(u'AWSTemplateFormatVersion' in yml, file_name)
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del(yml[u'HeatTemplateFormatVersion'])
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jsn = template_format.parse(json_str)
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template_format.default_for_missing(jsn, 'AWSTemplateFormatVersion',
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template_format.CFN_VERSIONS)
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if u'AWSTemplateFormatVersion' in jsn:
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del(jsn[u'AWSTemplateFormatVersion'])
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self.assertEqual(yml, jsn, file_name)
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def convert_all_json_to_yaml(self, dirpath):
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for path in os.listdir(dirpath):
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if not path.endswith('.template') and not path.endswith('.json'):
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continue
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f = open(os.path.join(dirpath, path), 'r')
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json_str = f.read()
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yml_str = template_format.convert_json_to_yaml(json_str)
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yield (json_str, yml_str, f.name)
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class YamlMinimalTest(HeatTestCase):
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def test_minimal_yaml(self):
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yaml1 = ''
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yaml2 = '''HeatTemplateFormatVersion: '2012-12-12'
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Parameters: {}
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Mappings: {}
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Resources: {}
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Outputs: {}
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'''
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tpl1 = template_format.parse(yaml1)
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tpl2 = template_format.parse(yaml2)
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self.assertEqual(tpl1, tpl2)
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class YamlEnvironmentTest(HeatTestCase):
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def test_no_template_sections(self):
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env = '''
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parameters: {}
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resource_registry: {}
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'''
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parsed_env = template_format.parse(env, add_template_sections=False)
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self.assertEqual('parameters' in parsed_env, True)
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self.assertEqual('resource_registry' in parsed_env, True)
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self.assertEqual('Parameters' in parsed_env, False)
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self.assertEqual('Mappings' in parsed_env, False)
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self.assertEqual('Resources' in parsed_env, False)
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self.assertEqual('Outputs' in parsed_env, False)
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class JsonYamlResolvedCompareTest(HeatTestCase):
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def setUp(self):
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super(JsonYamlResolvedCompareTest, self).setUp()
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self.longMessage = True
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self.maxDiff = None
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setup_dummy_db()
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def load_template(self, file_name):
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filepath = os.path.join(os.path.dirname(os.path.realpath(__file__)),
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'templates', file_name)
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f = open(filepath)
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t = template_format.parse(f.read())
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f.close()
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return t
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def compare_stacks(self, json_file, yaml_file, parameters):
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t1 = self.load_template(json_file)
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template_format.default_for_missing(t1, 'AWSTemplateFormatVersion',
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template_format.CFN_VERSIONS)
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del(t1[u'AWSTemplateFormatVersion'])
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t2 = self.load_template(yaml_file)
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del(t2[u'HeatTemplateFormatVersion'])
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stack1 = parse_stack(t1, parameters)
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stack2 = parse_stack(t2, parameters)
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# compare resources separately so that resolved static data
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# is compared
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t1nr = dict(stack1.t.t)
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del(t1nr['Resources'])
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t2nr = dict(stack2.t.t)
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del(t2nr['Resources'])
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self.assertEqual(t1nr, t2nr)
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self.assertEquals(set(stack1.resources.keys()),
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set(stack2.resources.keys()))
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for key in stack1.resources:
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self.assertEqual(stack1.resources[key].t, stack2.resources[key].t)
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@skipIf(clients.neutronclient is None, 'neutronclient unavailable')
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def test_neutron_resolved(self):
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self.compare_stacks('Neutron.template', 'Neutron.yaml', {})
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def test_wordpress_resolved(self):
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self.compare_stacks('WordPress_Single_Instance.template',
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'WordPress_Single_Instance.yaml',
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{'KeyName': 'test'})
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