Fix wrong type of exception raised
generate_template and resource_schema methods of service.py raises wrong type of exceptions after catching them. Also resource validation failure should not raise stack validation exception. Change-Id: I44b8d37db7d2687cee2a7b675dd062b3af3ee167 Closes-Bug: #1447194
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@ -320,10 +320,18 @@ class SnapshotNotFound(HeatException):
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"could not be found.")
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class TemplateNotFound(HeatException):
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msg_fmt = _("%(message)s")
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class ResourceTypeNotFound(HeatException):
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msg_fmt = _("The Resource Type (%(type_name)s) could not be found.")
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class InvalidResourceType(HeatException):
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msg_fmt = _("%(message)s")
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class ResourceNotAvailable(HeatException):
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msg_fmt = _("The Resource (%(resource_name)s) is not available.")
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@ -389,20 +389,19 @@ class ResourceRegistry(object):
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def get_class(self, resource_type, resource_name=None):
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if resource_type == "":
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msg = _('Resource "%s" has no type') % resource_name
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raise exception.StackValidationFailed(message=msg)
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raise exception.InvalidResourceType(message=msg)
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elif resource_type is None:
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msg = _('Non-empty resource type is required '
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'for resource "%s"') % resource_name
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raise exception.StackValidationFailed(message=msg)
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raise exception.InvalidResourceType(message=msg)
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elif not isinstance(resource_type, six.string_types):
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msg = _('Resource "%s" type is not a string') % resource_name
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raise exception.StackValidationFailed(message=msg)
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raise exception.InvalidResourceType(message=msg)
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info = self.get_resource_info(resource_type,
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resource_name=resource_name)
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if info is None:
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msg = _("Unknown resource Type : %s") % resource_type
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raise exception.StackValidationFailed(message=msg)
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raise exception.ResourceTypeNotFound(type_name=resource_type)
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return info.get_class()
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def as_dict(self):
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@ -131,7 +131,7 @@ class Resource(object):
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try:
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ResourceClass = registry.get_class(definition.resource_type,
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resource_name=name)
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except exception.NotFound:
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except exception.TemplateNotFound:
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ResourceClass = template_resource.TemplateResource
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assert issubclass(ResourceClass, Resource)
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@ -189,7 +189,7 @@ class ResourceGroup(stack_resource.StackResource):
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# make sure we can resolve the nested resource type
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try:
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self.stack.env.get_class(res_def.resource_type)
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except exception.NotFound:
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except exception.TemplateNotFound:
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# its a template resource
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pass
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@ -81,7 +81,7 @@ class TemplateResource(stack_resource.StackResource):
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args = {'name': template_name, 'exc': six.text_type(r_exc)}
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msg = _('Could not fetch remote template '
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'"%(name)s": %(exc)s') % args
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raise exception.NotFound(msg_fmt=msg)
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raise exception.TemplateNotFound(message=msg)
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@staticmethod
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def get_schemas(tmpl, param_defaults):
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@ -94,7 +94,7 @@ class TemplateResource(stack_resource.StackResource):
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self._parsed_nested = None
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try:
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tmpl = template.Template(self.child_template())
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except (exception.NotFound, ValueError) as download_error:
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except (exception.TemplateNotFound, ValueError) as download_error:
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self.validation_exception = download_error
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tmpl = template.Template(
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{"HeatTemplateFormatVersion": "2012-12-12"})
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@ -169,7 +169,7 @@ class TemplateResource(stack_resource.StackResource):
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try:
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t_data = self.get_template_file(self.template_name,
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self.allowed_schemes)
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except exception.NotFound as err:
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except exception.TemplateNotFound as err:
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reported_excp = err
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if t_data is None:
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@ -1006,10 +1006,10 @@ class EngineService(service.Service):
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"""
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try:
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resource_class = resources.global_env().get_class(type_name)
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except exception.StackValidationFailed:
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raise exception.ResourceTypeNotFound(type_name=type_name)
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except exception.NotFound as ex:
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raise exception.StackValidationFailed(message=ex.message)
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except (exception.InvalidResourceType,
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exception.ResourceTypeNotFound,
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exception.TemplateNotFound) as ex:
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raise ex
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def properties_schema():
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for name, schema_dict in resource_class.properties_schema.items():
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@ -1038,10 +1038,10 @@ class EngineService(service.Service):
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try:
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return resources.global_env().get_class(
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type_name).resource_to_template(type_name)
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except exception.StackValidationFailed:
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raise exception.ResourceTypeNotFound(type_name=type_name)
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except exception.NotFound as ex:
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raise exception.StackValidationFailed(message=ex.message)
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except (exception.InvalidResourceType,
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exception.ResourceTypeNotFound,
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exception.TemplateNotFound) as ex:
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raise ex
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@context.request_context
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def list_events(self, cnxt, stack_identity, filters=None, limit=None,
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@ -2380,7 +2380,7 @@ class StackServiceTest(common.HeatTestCase):
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mock_iterable = mock.MagicMock(return_value=iter([info]))
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with mock.patch('heat.engine.environment.ResourceRegistry.iterable_by',
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new=mock_iterable):
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ex = self.assertRaises(exception.StackValidationFailed,
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ex = self.assertRaises(exception.TemplateNotFound,
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function,
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self.ctx,
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type_name='ResourceWithWrongRefOnFile')
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@ -522,7 +522,7 @@ class ProviderTemplateTest(common.HeatTestCase):
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env_str = {'resource_registry': {'resources': {'fred': {
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"OS::ResourceType": "some_magic.yaml"}}}}
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env = environment.Environment(env_str)
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ex = self.assertRaises(exception.NotFound, env.get_class,
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ex = self.assertRaises(exception.TemplateNotFound, env.get_class,
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'OS::ResourceType', 'fred')
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self.assertIn('Could not fetch remote template "some_magic.yaml"',
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six.text_type(ex))
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@ -75,7 +75,7 @@ class ResourceTest(common.HeatTestCase):
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self.assertEqual(generic_rsrc.GenericResource, cls)
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def test_get_class_noexist(self):
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self.assertRaises(exception.StackValidationFailed,
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self.assertRaises(exception.ResourceTypeNotFound,
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resources.global_env().get_class,
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'NoExistResourceType')
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@ -109,13 +109,13 @@ class ResourceTest(common.HeatTestCase):
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def test_resource_new_err(self):
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snippet = rsrc_defn.ResourceDefinition('aresource',
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'NoExistResourceType')
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self.assertRaises(exception.StackValidationFailed,
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self.assertRaises(exception.ResourceTypeNotFound,
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resource.Resource, 'aresource', snippet, self.stack)
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def test_resource_non_type(self):
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resource_name = 'aresource'
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snippet = rsrc_defn.ResourceDefinition(resource_name, '')
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ex = self.assertRaises(exception.StackValidationFailed,
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ex = self.assertRaises(exception.InvalidResourceType,
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resource.Resource, resource_name,
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snippet, self.stack)
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self.assertIn(_('Resource "%s" has no type') % resource_name,
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@ -308,9 +308,10 @@ class ResourceGroupTest(common.HeatTestCase):
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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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exc = self.assertRaises(exception.ResourceTypeNotFound,
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resg.validate)
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self.assertIn('Unknown resource Type', six.text_type(exc))
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exp_msg = 'The Resource Type (idontexist) could not be found.'
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self.assertIn(exp_msg, 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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@ -370,23 +370,29 @@ class StackResourceTest(common.HeatTestCase):
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rsrc.validate)
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self.assertIn(raise_exc_msg, six.text_type(exc))
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def _test_validate_unknown_resource_type(self, stack_name,
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tmpl, resource_name):
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raise_exc_msg = ('Unknown resource Type : idontexist')
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def _test_validate_unknown_resource_type(self, stack_name, tmpl,
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resource_name,
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stack_resource=True):
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raise_exc_msg = ('The Resource Type (idontexist) could not be found.')
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stack = parser.Stack(utils.dummy_context(), stack_name, tmpl)
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rsrc = stack[resource_name]
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exc = self.assertRaises(exception.StackValidationFailed,
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rsrc.validate)
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if stack_resource:
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exc = self.assertRaises(exception.StackValidationFailed,
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rsrc.validate)
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else:
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exc = self.assertRaises(exception.ResourceTypeNotFound,
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rsrc.validate)
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self.assertIn(raise_exc_msg, six.text_type(exc))
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def test_validate_resource_group(self):
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# test validate without nested template
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# resource group validate without nested template is a normal
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# resource validation
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stack_name = 'validate_resource_group_template'
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t = template_format.parse(resource_group_template)
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tmpl = templatem.Template(t)
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self._test_validate_unknown_resource_type(stack_name, tmpl,
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'my_resource_group')
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'my_resource_group',
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stack_resource=False)
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# validate with nested template
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res_prop = t['resources']['my_resource_group']['properties']
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@ -397,7 +403,7 @@ class StackResourceTest(common.HeatTestCase):
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'my_resource_group')
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def test_validate_heat_autoscaling_group(self):
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# test validate without nested template
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# Autoscaling validation is a nested stack validation
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stack_name = 'validate_heat_autoscaling_group_template'
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t = template_format.parse(heat_autoscaling_group_template)
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tmpl = templatem.Template(t)
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