160 lines
5.1 KiB
Python
160 lines
5.1 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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import json
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import mox
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import nose
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from nose.plugins.attrib import attr
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import os
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import re
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import unittest
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import yaml
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from heat.common import context
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from heat.engine import format
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from heat.engine import parser
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@attr(tag=['unit'])
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class JsonToYamlTest(unittest.TestCase):
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def setUp(self):
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self.expected_test_count = 10
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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.dirname(os.path.realpath(__file__)).\
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replace('heat/tests', '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' %
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self.expected_test_count)
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def compare_json_vs_yaml(self, json_str, yml_str, file_name):
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yml = format.parse_to_template(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 = format.parse_to_template(json_str)
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format.default_for_missing(jsn, 'AWSTemplateFormatVersion',
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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 = format.convert_json_to_yaml(json_str)
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yield (json_str, yml_str, f.name)
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@attr(tag=['unit'])
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class YamlMinimalTest(unittest.TestCase):
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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 = format.parse_to_template(yaml1)
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tpl2 = format.parse_to_template(yaml2)
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self.assertEqual(tpl1, tpl2)
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@attr(tag=['unit'])
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class JsonYamlResolvedCompareTest(unittest.TestCase):
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def setUp(self):
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self.longMessage = True
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self.maxDiff = None
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def load_template(self, file_name):
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self.path = os.path.dirname(os.path.realpath(__file__)).\
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replace('heat/tests', 'templates')
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f = open("%s/%s" % (self.path, file_name))
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t = format.parse_to_template(f.read())
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f.close()
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return t
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def parse_stack(self, t, parameters):
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ctx = context.RequestContext.from_dict({
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'tenant': 'test_tenant',
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'username': 'test_username',
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'password': 'password',
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'auth_url': 'http://localhost:5000/v2.0'})
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template = parser.Template(t)
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params = parser.Parameters('test_stack', template, parameters)
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stack = parser.Stack(ctx, 'test_stack', parser.Template(t),
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stack_id=-1, parameters=params)
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return stack
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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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format.default_for_missing(t1, 'AWSTemplateFormatVersion',
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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 = self.parse_stack(t1, parameters)
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stack2 = self.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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def test_quantum_resolved(self):
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self.compare_stacks('Quantum.template', 'Quantum.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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