73c29d3edc
Sets the properties of the grouped resource to {} when it's None to make
sure the resource is built properly.
Change-Id: I2938c741063159ef81a7996d203adaf466cf19c4
Closes-Bug: #1291421
238 lines
8.0 KiB
Python
238 lines
8.0 KiB
Python
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#
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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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from heat.common import exception
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from heat.engine import resource
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from heat.engine import scheduler
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from heat.engine.resources import resource_group
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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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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 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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utils.setup_dummy_db()
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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['Resources']['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(3))
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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['Resources']['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(1))
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expect['resources']["0"]['properties'] = {"Foo": None}
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self.assertEqual(expect, resg._assemble_nested(1, include_all=True))
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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['Resources']['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', str(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['Resources']['group1']
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resgrp = resource_group.ResourceGroup('test', snip, stack)
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self.assertIsNone(resgrp.validate())
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@utils.stack_delete_after
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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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@utils.stack_delete_after
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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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@utils.stack_delete_after
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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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@utils.stack_delete_after
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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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@utils.stack_delete_after
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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):
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stack = utils.parse_stack(template)
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snip = stack.t['Resources']['group1']
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resg = resource_group.ResourceGroup('test', snip, stack)
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scheduler.TaskRunner(resg.create)()
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self.stack = resg.nested()
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self.assertEqual(2, len(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['Resources']['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(2)
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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['Resources']['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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