class TestLoad(unittest.TestCase):
def setUp(self):
self.patcher = patch('boto3.resource')
self.resource_mock = self.patcher.start()
self.cloudformation_mock = Mock()
self.stack_mock = Mock()
self.resource_mock.return_value = self.cloudformation_mock
self.cloudformation_mock.Stack.return_value = self.stack_mock
self.crassus = Crassus(None, None)
self.crassus._stack_name = STACK_NAME
self.crassus._output_topics = ANY_TOPIC
def tearDown(self):
self.patcher.stop()
def test_deploy_stack_should_load_stack(self):
self.crassus.load()
self.stack_mock.load.assert_called_once_with()
@patch('crassus.deployer.sqs_send_message')
@patch('crassus.deployer.logger')
def test_stack_load_throws_clienterror_exception(
self, logger_mock, mock_sqs):
self.stack_mock.load.side_effect = ClientError(
{'Error': {'Code': 'ExpectedException', 'Message': ''}},
'test_deploy_stack_should_notify_error_in_case_of_client_error')
self.crassus.load()
logger_mock.error.assert_called_once_with(ANY)
self.assertEquals(mock_sqs.call_count, 1)
"""
class TestNotify(unittest.TestCase):
STATUS = 'success'
MESSAGE = 'ANY MESSAGE'
@patch('crassus.deployer.sqs_send_message')
@patch('boto3.resource')
def test_should_notify_sns(self, resource_mock, mock_sqs):
topic_mock = Mock()
sns_mock = Mock()
sns_mock.Topic.return_value = topic_mock
resource_mock.return_value = sns_mock
self.crassus = Crassus(None, None)
self.crassus._stack_name = STACK_NAME
self.crassus._output_topics = ANY_TOPIC
self.crassus.notify(self.STATUS, self.MESSAGE)
self.assertEquals(mock_sqs.call_count, 1)
self.assertEquals(
mock_sqs.call_args,
call(['ANY_TOPIC'], {
'status': 'success',
'timestamp': ANY,
'stackName': 'ANY_STACK',
'version': '1.1',
'message': 'ANY MESSAGE',
'emitter': 'crassus'}))
@patch('crassus.deployer.Crassus.output_topics', None)
def test_should_do_gracefully_nothing(self):
self.crassus = Crassus(None, None)
self.crassus.notify('status', 'message')
def setUp(self):
self.patcher = patch('boto3.resource')
self.resource_mock = self.patcher.start()
self.cloudformation_mock = Mock()
self.stack_mock = Mock()
self.resource_mock.return_value = self.cloudformation_mock
self.cloudformation_mock.Stack.return_value = self.stack_mock
self.crassus = Crassus(None, None)
self.crassus._stack_name = STACK_NAME
self.crassus._output_topics = ANY_TOPIC
def setUp(self):
self.stack_mock = Mock()
self.stack_mock.parameters = [
{"ParameterKey": "KeyOne",
"ParameterValue": "OriginalValueOne",
},
{"ParameterKey": "KeyTwo",
"ParameterValue": "OriginalValueTwo",
}
]
self.update_parameters = {
"version": 1,
"stackName": "ANY_STACK",
"region": "ANY_REGION",
"parameters": {"KeyOne": "UpdateValueOne"},
}
self.expected_parameters = [
{"ParameterKey": "KeyOne",
"ParameterValue": "UpdateValueOne",
},
{"ParameterKey": "KeyTwo",
"UsePreviousValue": True
}
]
self.context_mock = Mock(invoked_function_arn="any_arn",
function_version="any_version")
self.crassus = Crassus(None, self.context_mock)
self.crassus._stack_update_parameters = \
StackUpdateParameter(self.update_parameters)
self.crassus.stack = self.stack_mock
self.crassus._stack_name = STACK_NAME
self.crassus._output_topics = ANY_TOPIC
self.crassus.aws_lambda = Mock()
self.crassus.aws_lambda.get_function_configuration.return_value = {
'Description': dedent("""
{"result_queue":[
"arn:aws:sns:eu-west-1:123456789012:crassus-output",
"arn:aws:sns:eu-west-1:123456789012:random-topic"
],
"cfn_events": ["CFN-SNS-TOPIC-1"]}""")}
def test_should_notify_sns(self, resource_mock, mock_sqs):
topic_mock = Mock()
sns_mock = Mock()
sns_mock.Topic.return_value = topic_mock
resource_mock.return_value = sns_mock
self.crassus = Crassus(None, None)
self.crassus._stack_name = STACK_NAME
self.crassus._output_topics = ANY_TOPIC
self.crassus.notify(self.STATUS, self.MESSAGE)
self.assertEquals(mock_sqs.call_count, 1)
self.assertEquals(
mock_sqs.call_args,
call(['ANY_TOPIC'], {
'status': 'success',
'timestamp': ANY,
'stackName': 'ANY_STACK',
'version': '1.1',
'message': 'ANY MESSAGE',
'emitter': 'crassus'}))
def test_should_call_all_necessary_stuff(self, load_mock, update_mock):
crassus = Crassus(None, None)
crassus.deploy()
load_mock.assert_called_once_with()
update_mock.assert_called_once_with()
class TestUpdateStack(unittest.TestCase):
def setUp(self):
self.stack_mock = Mock()
self.stack_mock.parameters = [
{"ParameterKey": "KeyOne",
"ParameterValue": "OriginalValueOne",
},
{"ParameterKey": "KeyTwo",
"ParameterValue": "OriginalValueTwo",
}
]
self.update_parameters = {
"version": 1,
"stackName": "ANY_STACK",
"region": "ANY_REGION",
"parameters": {"KeyOne": "UpdateValueOne"},
}
self.expected_parameters = [
{"ParameterKey": "KeyOne",
"ParameterValue": "UpdateValueOne",
},
{"ParameterKey": "KeyTwo",
"UsePreviousValue": True
}
]
self.context_mock = Mock(invoked_function_arn="any_arn",
function_version="any_version")
self.crassus = Crassus(None, self.context_mock)
self.crassus._stack_update_parameters = \
StackUpdateParameter(self.update_parameters)
self.crassus.stack = self.stack_mock
self.crassus._stack_name = STACK_NAME
self.crassus._output_topics = ANY_TOPIC
self.crassus.aws_lambda = Mock()
self.crassus.aws_lambda.get_function_configuration.return_value = {
'Description': dedent("""
{"result_queue":[
"arn:aws:sns:eu-west-1:123456789012:crassus-output",
"arn:aws:sns:eu-west-1:123456789012:random-topic"
],
"cfn_events": ["CFN-SNS-TOPIC-1"]}""")}
@patch('crassus.deployer.Crassus.notify', Mock())
@patch('crassus.deployer.get_lambda_config_property')
def test_update_stack_should_call_update(self, mock_lambda):
mock_lambda.return_value = ['CFN-SQS-QUEUE-1']
self.crassus.update()
self.stack_mock.update.assert_called_once_with(
UsePreviousTemplate=True,
Parameters=self.expected_parameters,
Capabilities=['CAPABILITY_IAM'],
NotificationARNs=['CFN-SQS-QUEUE-1'])
self.assertEqual(self.crassus.cfn_output_topics, ['CFN-SQS-QUEUE-1'])
@patch('crassus.deployer.get_lambda_config_property', Mock())
@patch('crassus.deployer.Crassus.notify', Mock())
@patch('crassus.deployer.logger')
def test_update_stack_load_throws_clienterror_exception(self, logger_mock):
self.stack_mock.update.side_effect = ClientError(
{'Error': {'Code': 'ExpectedException', 'Message': ''}},
'test_deploy_stack_should_notify_error_in_case_of_client_error')
self.crassus.update()
logger_mock.error.assert_called_once_with(ANY)
"""@patch('crassus.deployer.notify')
def test_should_do_gracefully_nothing(self):
self.crassus = Crassus(None, None)
self.crassus.notify('status', 'message')
