# vim: tabstop=4 shiftwidth=4 softtabstop=4
# 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.
from nose.plugins.attrib import attr
from nose.exc import SkipTest
import os
import unittest
from heat.engine import clients
from heat.common import context
from heat.common import template_format
from heat.engine import parser
@attr(tag=['unit'])
[docs]class JsonToYamlTest(unittest.TestCase):
[docs] def setUp(self):
self.expected_test_count = 10
self.longMessage = True
self.maxDiff = None
[docs] def test_convert_all_templates(self):
path = os.path.dirname(os.path.realpath(__file__)).\
replace('heat/tests', 'templates')
template_test_count = 0
for (json_str,
yml_str,
file_name) in self.convert_all_json_to_yaml(path):
self.compare_json_vs_yaml(json_str, yml_str, file_name)
template_test_count += 1
if template_test_count >= self.expected_test_count:
break
self.assertTrue(template_test_count >= self.expected_test_count,
'Expected at least %d templates to be tested' %
self.expected_test_count)
[docs] def compare_json_vs_yaml(self, json_str, yml_str, file_name):
yml = template_format.parse(yml_str)
self.assertEqual(u'2012-12-12', yml[u'HeatTemplateFormatVersion'],
file_name)
self.assertFalse(u'AWSTemplateFormatVersion' in yml, file_name)
del(yml[u'HeatTemplateFormatVersion'])
jsn = template_format.parse(json_str)
template_format.default_for_missing(jsn, 'AWSTemplateFormatVersion',
template_format.CFN_VERSIONS)
if u'AWSTemplateFormatVersion' in jsn:
del(jsn[u'AWSTemplateFormatVersion'])
self.assertEqual(yml, jsn, file_name)
[docs] def convert_all_json_to_yaml(self, dirpath):
for path in os.listdir(dirpath):
if not path.endswith('.template') and not path.endswith('.json'):
continue
f = open(os.path.join(dirpath, path), 'r')
json_str = f.read()
yml_str = template_format.convert_json_to_yaml(json_str)
yield (json_str, yml_str, f.name)
@attr(tag=['unit'])
[docs]class YamlMinimalTest(unittest.TestCase):
[docs] def test_minimal_yaml(self):
yaml1 = ''
yaml2 = '''HeatTemplateFormatVersion: '2012-12-12'
Parameters: {}
Mappings: {}
Resources: {}
Outputs: {}
'''
tpl1 = template_format.parse(yaml1)
tpl2 = template_format.parse(yaml2)
self.assertEqual(tpl1, tpl2)
@attr(tag=['unit'])
[docs]class JsonYamlResolvedCompareTest(unittest.TestCase):
[docs] def setUp(self):
self.longMessage = True
self.maxDiff = None
[docs] def load_template(self, file_name):
self.path = os.path.dirname(os.path.realpath(__file__)).\
replace('heat/tests', 'templates')
f = open("%s/%s" % (self.path, file_name))
t = template_format.parse(f.read())
f.close()
return t
[docs] def parse_stack(self, t, parameters):
ctx = context.RequestContext.from_dict({
'tenant': 'test_tenant',
'username': 'test_username',
'password': 'password',
'auth_url': 'http://localhost:5000/v2.0'})
stack_name = 'test_stack'
template = parser.Template(t)
params = parser.Parameters(stack_name, template, parameters)
stack = parser.Stack(ctx, stack_name, parser.Template(t), params)
return stack
[docs] def compare_stacks(self, json_file, yaml_file, parameters):
t1 = self.load_template(json_file)
template_format.default_for_missing(t1, 'AWSTemplateFormatVersion',
template_format.CFN_VERSIONS)
del(t1[u'AWSTemplateFormatVersion'])
t2 = self.load_template(yaml_file)
del(t2[u'HeatTemplateFormatVersion'])
stack1 = self.parse_stack(t1, parameters)
stack2 = self.parse_stack(t2, parameters)
# compare resources separately so that resolved static data
# is compared
t1nr = dict(stack1.t.t)
del(t1nr['Resources'])
t2nr = dict(stack2.t.t)
del(t2nr['Resources'])
self.assertEqual(t1nr, t2nr)
self.assertEquals(set(stack1.resources.keys()),
set(stack2.resources.keys()))
for key in stack1.resources:
self.assertEqual(stack1.resources[key].t, stack2.resources[key].t)
[docs] def test_quantum_resolved(self):
if clients.quantumclient is None:
raise SkipTest
self.compare_stacks('Quantum.template', 'Quantum.yaml', {})
[docs] def test_wordpress_resolved(self):
self.compare_stacks('WordPress_Single_Instance.template',
'WordPress_Single_Instance.yaml',
{'KeyName': 'test'})