ac2844f8bf
Change-Id: I5017bcca71b626e424b5df6d4433a5ca7b75ebc6 Implements: blueprint reorganize-resources-code-structure
260 lines
8.3 KiB
Python
260 lines
8.3 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 re
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import six
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from testtools import matchers
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from heat.common import exception
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from heat.common import template_format
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from heat.engine import parser
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from heat.engine.resources.openstack.heat import random_string as rs
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from heat.engine import template
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from heat.tests import common
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from heat.tests import utils
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class TestRandomString(common.HeatTestCase):
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template_random_string = '''
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HeatTemplateFormatVersion: '2012-12-12'
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Resources:
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secret1:
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Type: OS::Heat::RandomString
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secret2:
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Type: OS::Heat::RandomString
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Properties:
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length: 10
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secret3:
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Type: OS::Heat::RandomString
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Properties:
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length: 100
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sequence: octdigits
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secret4:
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Type: OS::Heat::RandomString
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Properties:
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length: 32
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character_classes:
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- class: digits
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min: 1
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- class: uppercase
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min: 1
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- class: lowercase
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min: 20
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character_sequences:
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- sequence: (),[]{}
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min: 1
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- sequence: $_
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min: 2
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- sequence: '@'
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min: 5
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secret5:
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Type: OS::Heat::RandomString
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Properties:
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length: 25
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character_classes:
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- class: digits
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min: 1
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- class: uppercase
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min: 1
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- class: lowercase
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min: 20
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secret6:
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Type: OS::Heat::RandomString
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Properties:
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length: 10
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character_sequences:
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- sequence: (),[]{}
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min: 1
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- sequence: $_
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min: 2
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- sequence: '@'
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min: 5
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'''
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def setUp(self):
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super(TestRandomString, self).setUp()
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self.ctx = utils.dummy_context()
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def create_stack(self, templ):
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self.stack = self.parse_stack(template_format.parse(templ))
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self.assertIsNone(self.stack.create())
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return self.stack
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def parse_stack(self, t):
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stack_name = 'test_stack'
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tmpl = template.Template(t)
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stack = parser.Stack(utils.dummy_context(), stack_name, tmpl)
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stack.validate()
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stack.store()
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return stack
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def test_random_string(self):
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stack = self.create_stack(self.template_random_string)
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secret1 = stack['secret1']
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def assert_min(pattern, string, minimum):
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self.assertTrue(len(re.findall(pattern, string)) >= minimum)
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random_string = secret1.FnGetAtt('value')
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assert_min('[a-zA-Z0-9]', random_string, 32)
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self.assertRaises(exception.InvalidTemplateAttribute,
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secret1.FnGetAtt, 'foo')
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self.assertEqual(secret1.FnGetRefId(), random_string)
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secret2 = stack['secret2']
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random_string = secret2.FnGetAtt('value')
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assert_min('[a-zA-Z0-9]', random_string, 10)
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self.assertEqual(secret2.FnGetRefId(), random_string)
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secret3 = stack['secret3']
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random_string = secret3.FnGetAtt('value')
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assert_min('[0-7]', random_string, 100)
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self.assertEqual(secret3.FnGetRefId(), random_string)
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secret4 = stack['secret4']
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random_string = secret4.FnGetAtt('value')
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self.assertEqual(32, len(random_string))
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assert_min('[0-9]', random_string, 1)
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assert_min('[A-Z]', random_string, 1)
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assert_min('[a-z]', random_string, 20)
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assert_min('[(),\[\]{}]', random_string, 1)
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assert_min('[$_]', random_string, 2)
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assert_min('@', random_string, 5)
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self.assertEqual(secret4.FnGetRefId(), random_string)
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secret5 = stack['secret5']
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random_string = secret5.FnGetAtt('value')
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self.assertEqual(25, len(random_string))
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assert_min('[0-9]', random_string, 1)
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assert_min('[A-Z]', random_string, 1)
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assert_min('[a-z]', random_string, 20)
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self.assertEqual(secret5.FnGetRefId(), random_string)
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secret6 = stack['secret6']
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random_string = secret6.FnGetAtt('value')
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self.assertEqual(10, len(random_string))
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assert_min('[(),\[\]{}]', random_string, 1)
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assert_min('[$_]', random_string, 2)
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assert_min('@', random_string, 5)
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self.assertEqual(secret6.FnGetRefId(), random_string)
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# Prove the name is returned before create sets the ID
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secret6.resource_id = None
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self.assertEqual('secret6', secret6.FnGetRefId())
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def test_invalid_property_combination(self):
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template_random_string = '''
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HeatTemplateFormatVersion: '2012-12-12'
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Resources:
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secret:
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Type: OS::Heat::RandomString
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Properties:
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length: 32
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sequence: octdigits
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character_classes:
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- class: digits
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min: 1
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character_sequences:
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- sequence: (),[]{}
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min: 1
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'''
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exc = self.assertRaises(exception.StackValidationFailed,
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self.create_stack, template_random_string)
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self.assertEqual("Cannot use deprecated 'sequence' property along "
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"with 'character_sequences' or 'character_classes' "
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"properties", six.text_type(exc))
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def test_invalid_length(self):
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template_random_string = '''
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HeatTemplateFormatVersion: '2012-12-12'
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Resources:
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secret:
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Type: OS::Heat::RandomString
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Properties:
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length: 5
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character_classes:
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- class: digits
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min: 5
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character_sequences:
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- sequence: (),[]{}
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min: 1
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'''
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exc = self.assertRaises(exception.StackValidationFailed,
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self.create_stack, template_random_string)
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self.assertEqual("Length property cannot be smaller than combined "
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"character class and character sequence minimums",
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six.text_type(exc))
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def test_max_length(self):
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template_random_string = '''
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HeatTemplateFormatVersion: '2012-12-12'
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Resources:
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secret:
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Type: OS::Heat::RandomString
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Properties:
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length: 512
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'''
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stack = self.create_stack(template_random_string)
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secret = stack['secret']
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random_string = secret.FnGetAtt('value')
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self.assertEqual(512, len(random_string))
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self.assertEqual(secret.FnGetRefId(), random_string)
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def test_exceeds_max_length(self):
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template_random_string = '''
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HeatTemplateFormatVersion: '2012-12-12'
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Resources:
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secret:
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Type: OS::Heat::RandomString
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Properties:
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length: 513
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'''
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exc = self.assertRaises(exception.StackValidationFailed,
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self.create_stack, template_random_string)
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self.assertIn('length 513 is out of range (min: 1, max: 512)',
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six.text_type(exc))
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class TestGenerateRandomString(common.HeatTestCase):
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scenarios = [
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('lettersdigits', dict(
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length=1, seq='lettersdigits', pattern='[a-zA-Z0-9]')),
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('letters', dict(
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length=10, seq='letters', pattern='[a-zA-Z]')),
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('lowercase', dict(
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length=100, seq='lowercase', pattern='[a-z]')),
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('uppercase', dict(
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length=50, seq='uppercase', pattern='[A-Z]')),
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('digits', dict(
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length=512, seq='digits', pattern='[0-9]')),
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('hexdigits', dict(
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length=16, seq='hexdigits', pattern='[A-F0-9]')),
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('octdigits', dict(
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length=32, seq='octdigits', pattern='[0-7]'))
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]
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def test_generate_random_string(self):
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# run each test multiple times to confirm random generator
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# doesn't generate a matching pattern by chance
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for i in range(1, 32):
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sequence = rs.RandomString._sequences[self.seq]
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r = rs.RandomString._deprecated_random_string(sequence,
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self.length)
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self.assertThat(r, matchers.HasLength(self.length))
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regex = '%s{%s}' % (self.pattern, self.length)
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self.assertThat(r, matchers.MatchesRegex(regex))
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