483 lines
17 KiB
Python
483 lines
17 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 copy
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import mock
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import six
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from heat.common import exception
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from heat.engine import properties
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from heat.engine import resource
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from heat.engine.resources import resource_group
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from heat.engine import scheduler
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from heat.tests import common
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from heat.tests import generic_resource
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from heat.tests import utils
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template = {
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"heat_template_version": "2013-05-23",
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"resources": {
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"group1": {
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"type": "OS::Heat::ResourceGroup",
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"properties": {
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"count": 2,
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"resource_def": {
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"type": "dummy.resource",
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"properties": {
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"Foo": "Bar"
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}
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}
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}
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}
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}
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}
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template2 = {
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"heat_template_version": "2013-05-23",
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"resources": {
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"dummy": {
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"type": "dummy.resource",
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"properties": {
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"Foo": "baz"
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}
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},
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"group1": {
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"type": "OS::Heat::ResourceGroup",
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"properties": {
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"count": 2,
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"resource_def": {
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"type": "dummy.resource",
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"properties": {
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"Foo": {"get_attr": ["dummy", "Foo"]}
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}
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}
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}
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}
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}
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}
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template_repl = {
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"heat_template_version": "2013-05-23",
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"resources": {
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"group1": {
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"type": "OS::Heat::ResourceGroup",
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"properties": {
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"count": 2,
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"resource_def": {
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"type": "dummy.listresource%index%",
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"properties": {
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"Foo": "Bar_%index%",
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"listprop": [
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"%index%_0",
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"%index%_1",
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"%index%_2"
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]
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}
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}
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}
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}
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}
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}
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template_attr = {
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"heat_template_version": "2014-10-16",
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"resources": {
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"group1": {
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"type": "OS::Heat::ResourceGroup",
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"properties": {
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"count": 2,
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"resource_def": {
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"type": "dummyattr.resource",
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"properties": {
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}
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}
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}
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}
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},
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"outputs": {
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"nested_strings": {
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"value": {"get_attr": ["group1", "nested_dict", "string"]}
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}
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}
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}
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class ResourceWithPropsAndId(generic_resource.ResourceWithProps):
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def FnGetRefId(self):
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return "ID-%s" % self.name
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class ResourceWithListProp(ResourceWithPropsAndId):
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def __init__(self):
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self.properties_schema.update({
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"listprop": properties.Schema(
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properties.Schema.LIST
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)
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})
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super(ResourceWithListProp, self).__init__(self)
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class ResourceGroupTest(common.HeatTestCase):
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def setUp(self):
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common.HeatTestCase.setUp(self)
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resource._register_class("dummy.resource",
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ResourceWithPropsAndId)
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resource._register_class('dummy.listresource',
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ResourceWithListProp)
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AttributeResource = generic_resource.ResourceWithComplexAttributes
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resource._register_class("dummyattr.resource",
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AttributeResource)
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def test_build_resource_definition(self):
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stack = utils.parse_stack(template)
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snip = stack.t.resource_definitions(stack)['group1']
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resg = resource_group.ResourceGroup('test', snip, stack)
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expect = {
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"type": "dummy.resource",
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"properties": {
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"Foo": "Bar"
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},
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}
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self.assertEqual(
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expect, resg._build_resource_definition())
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self.assertEqual(
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expect, resg._build_resource_definition(include_all=True))
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def test_build_resource_definition_include(self):
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templ = copy.deepcopy(template)
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res_def = templ["resources"]["group1"]["properties"]['resource_def']
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res_def['properties']['Foo'] = None
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stack = utils.parse_stack(templ)
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snip = stack.t.resource_definitions(stack)['group1']
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resg = resource_group.ResourceGroup('test', snip, stack)
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expect = {
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"type": "dummy.resource",
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"properties": {}
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}
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self.assertEqual(
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expect, resg._build_resource_definition())
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expect = {
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"type": "dummy.resource",
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"properties": {"Foo": None}
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}
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self.assertEqual(
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expect, resg._build_resource_definition(include_all=True))
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def test_assemble_nested(self):
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"""
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Tests that the nested stack that implements the group is created
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appropriately based on properties.
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"""
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stack = utils.parse_stack(template)
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snip = stack.t.resource_definitions(stack)['group1']
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resg = resource_group.ResourceGroup('test', snip, stack)
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templ = {
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"heat_template_version": "2013-05-23",
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"resources": {
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"0": {
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"type": "dummy.resource",
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"properties": {
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"Foo": "Bar"
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}
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},
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"1": {
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"type": "dummy.resource",
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"properties": {
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"Foo": "Bar"
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}
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},
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"2": {
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"type": "dummy.resource",
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"properties": {
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"Foo": "Bar"
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}
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}
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}
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}
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self.assertEqual(templ, resg._assemble_nested(['0', '1', '2']))
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def test_assemble_nested_include(self):
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templ = copy.deepcopy(template)
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res_def = templ["resources"]["group1"]["properties"]['resource_def']
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res_def['properties']['Foo'] = None
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stack = utils.parse_stack(templ)
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snip = stack.t.resource_definitions(stack)['group1']
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resg = resource_group.ResourceGroup('test', snip, stack)
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expect = {
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"heat_template_version": "2013-05-23",
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"resources": {
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"0": {
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"type": "dummy.resource",
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"properties": {}
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}
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}
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}
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self.assertEqual(expect, resg._assemble_nested(['0']))
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expect['resources']["0"]['properties'] = {"Foo": None}
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self.assertEqual(
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expect, resg._assemble_nested(['0'], include_all=True))
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def test_index_var(self):
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stack = utils.parse_stack(template_repl)
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snip = stack.t.resource_definitions(stack)['group1']
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resg = resource_group.ResourceGroup('test', snip, stack)
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expect = {
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"heat_template_version": "2013-05-23",
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"resources": {
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"0": {
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"type": "dummy.listresource%index%",
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"properties": {
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"Foo": "Bar_0",
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"listprop": [
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"0_0", "0_1", "0_2"
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]
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}
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},
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"1": {
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"type": "dummy.listresource%index%",
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"properties": {
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"Foo": "Bar_1",
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"listprop": [
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"1_0", "1_1", "1_2"
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]
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}
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},
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"2": {
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"type": "dummy.listresource%index%",
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"properties": {
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"Foo": "Bar_2",
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"listprop": [
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"2_0", "2_1", "2_2"
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]
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}
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}
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}
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}
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self.assertEqual(expect, resg._assemble_nested(['0', '1', '2']))
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def test_custom_index_var(self):
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templ = copy.deepcopy(template_repl)
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templ['resources']['group1']['properties']['index_var'] = "__foo__"
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stack = utils.parse_stack(templ)
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snip = stack.t.resource_definitions(stack)['group1']
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resg = resource_group.ResourceGroup('test', snip, stack)
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expect = {
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"heat_template_version": "2013-05-23",
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"resources": {
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"0": {
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"type": "dummy.listresource%index%",
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"properties": {
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"Foo": "Bar_%index%",
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"listprop": [
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"%index%_0", "%index%_1", "%index%_2"
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]
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}
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}
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}
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}
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self.assertEqual(expect, resg._assemble_nested(['0']))
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res_def = snip['Properties']['resource_def']
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res_def['properties']['Foo'] = "Bar___foo__"
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res_def['properties']['listprop'] = ["__foo___0", "__foo___1",
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"__foo___2"]
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res_def['type'] = "dummy.listresource__foo__"
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resg = resource_group.ResourceGroup('test', snip, stack)
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expect = {
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"heat_template_version": "2013-05-23",
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"resources": {
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"0": {
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"type": "dummy.listresource__foo__",
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"properties": {
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"Foo": "Bar_0",
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"listprop": [
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"0_0", "0_1", "0_2"
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]
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}
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}
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}
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}
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self.assertEqual(expect, resg._assemble_nested(['0']))
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def test_assemble_no_properties(self):
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templ = copy.deepcopy(template)
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res_def = templ["resources"]["group1"]["properties"]['resource_def']
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del res_def['properties']
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stack = utils.parse_stack(templ)
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resg = stack.resources['group1']
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self.assertIsNone(resg.validate())
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def test_invalid_res_type(self):
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"""Test that error raised for unknown resource type."""
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tmp = copy.deepcopy(template)
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grp_props = tmp['resources']['group1']['properties']
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grp_props['resource_def']['type'] = "idontexist"
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stack = utils.parse_stack(tmp)
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snip = stack.t.resource_definitions(stack)['group1']
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resg = resource_group.ResourceGroup('test', snip, stack)
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exc = self.assertRaises(exception.StackValidationFailed,
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resg.validate)
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self.assertIn('Unknown resource Type', six.text_type(exc))
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def test_reference_attr(self):
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stack = utils.parse_stack(template2)
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snip = stack.t.resource_definitions(stack)['group1']
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resgrp = resource_group.ResourceGroup('test', snip, stack)
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self.assertIsNone(resgrp.validate())
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def test_zero_resources(self):
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noresources = copy.deepcopy(template)
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noresources['resources']['group1']['properties']['count'] = 0
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resg = self._create_dummy_stack(noresources, expect_count=0)
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self.assertEqual((resg.CREATE, resg.COMPLETE), resg.state)
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def test_delete(self):
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"""Test basic delete."""
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resg = self._create_dummy_stack()
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self.assertIsNotNone(resg.nested())
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scheduler.TaskRunner(resg.delete)()
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self.assertEqual((resg.DELETE, resg.COMPLETE), resg.nested().state)
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self.assertEqual((resg.DELETE, resg.COMPLETE), resg.state)
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def test_update(self):
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"""Test basic update."""
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resg = self._create_dummy_stack()
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new_snip = copy.deepcopy(resg.t)
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new_snip['Properties']['count'] = 3
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scheduler.TaskRunner(resg.update, new_snip)()
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self.stack = resg.nested()
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self.assertEqual((resg.UPDATE, resg.COMPLETE), resg.state)
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self.assertEqual((resg.UPDATE, resg.COMPLETE), resg.nested().state)
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self.assertEqual(3, len(resg.nested()))
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def test_aggregate_attribs(self):
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"""
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Test attribute aggregation and that we mimic the nested resource's
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attributes.
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"""
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resg = self._create_dummy_stack()
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expected = ['0', '1']
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self.assertEqual(expected, resg.FnGetAtt('foo'))
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self.assertEqual(expected, resg.FnGetAtt('Foo'))
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def test_index_dotted_attribs(self):
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"""
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Test attribute aggregation and that we mimic the nested resource's
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attributes.
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"""
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resg = self._create_dummy_stack()
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self.assertEqual('0', resg.FnGetAtt('resource.0.Foo'))
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self.assertEqual('1', resg.FnGetAtt('resource.1.Foo'))
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def test_index_path_attribs(self):
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"""
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Test attribute aggregation and that we mimic the nested resource's
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attributes.
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"""
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resg = self._create_dummy_stack()
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self.assertEqual('0', resg.FnGetAtt('resource.0', 'Foo'))
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self.assertEqual('1', resg.FnGetAtt('resource.1', 'Foo'))
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def test_index_deep_path_attribs(self):
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"""
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Test attribute aggregation and that we mimic the nested resource's
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attributes.
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"""
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resg = self._create_dummy_stack(template_attr)
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self.assertEqual(2, resg.FnGetAtt('resource.0',
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'nested_dict', 'dict', 'b'))
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self.assertEqual(2, resg.FnGetAtt('resource.1',
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'nested_dict', 'dict', 'b'))
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def test_aggregate_deep_path_attribs(self):
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"""
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Test attribute aggregation and that we mimic the nested resource's
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attributes.
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"""
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resg = self._create_dummy_stack(template_attr)
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expected = [3, 3]
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self.assertEqual(expected, resg.FnGetAtt('nested_dict', 'list', 2))
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def test_get_attr_path(self):
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"""
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Test attribute aggregation and that we mimic the nested resource's
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attributes.
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"""
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resg = self._create_dummy_stack(template_attr)
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expected = ['abc', 'abc']
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self.assertEqual(expected, resg.stack.output('nested_strings'))
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def test_aggregate_refs(self):
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"""
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Test resource id aggregation
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"""
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resg = self._create_dummy_stack()
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expected = ['ID-0', 'ID-1']
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self.assertEqual(expected, resg.FnGetAtt("refs"))
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def test_aggregate_outputs(self):
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"""
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Test outputs aggregation
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"""
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resg = self._create_dummy_stack(template_attr)
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expected = {'0': ['foo', 'bar'], '1': ['foo', 'bar']}
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self.assertEqual(expected, resg.FnGetAtt('attributes', 'list'))
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def test_aggregate_outputs_no_path(self):
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"""
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Test outputs aggregation with missing path
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"""
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resg = self._create_dummy_stack(template_attr)
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self.assertRaises(exception.InvalidTemplateAttribute,
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resg.FnGetAtt, 'attributes')
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def test_index_refs(self):
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"""Tests getting ids of individual resources."""
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resg = self._create_dummy_stack()
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self.assertEqual("ID-0", resg.FnGetAtt('resource.0'))
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self.assertEqual("ID-1", resg.FnGetAtt('resource.1'))
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self.assertRaises(exception.InvalidTemplateAttribute, resg.FnGetAtt,
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'resource.2')
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def _create_dummy_stack(self, template_data=template, expect_count=2):
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stack = utils.parse_stack(template_data)
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resg = stack['group1']
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scheduler.TaskRunner(resg.create)()
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self.stack = resg.nested()
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if expect_count > 0:
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self.assertEqual(expect_count, len(resg.nested()))
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else:
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self.assertIsNone(resg.nested())
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self.assertEqual((resg.CREATE, resg.COMPLETE), resg.state)
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return resg
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def test_child_template(self):
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stack = utils.parse_stack(template2)
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snip = stack.t.resource_definitions(stack)['group1']
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resgrp = resource_group.ResourceGroup('test', snip, stack)
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resgrp._assemble_nested = mock.Mock(return_value='tmpl')
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resgrp.properties.data[resgrp.COUNT] = 2
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self.assertEqual('tmpl', resgrp.child_template())
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resgrp._assemble_nested.assert_called_once_with(['0', '1'])
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def test_child_params(self):
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stack = utils.parse_stack(template2)
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snip = stack.t.resource_definitions(stack)['group1']
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resgrp = resource_group.ResourceGroup('test', snip, stack)
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self.assertEqual({}, resgrp.child_params())
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