class TestSQSPublishOperator(unittest.TestCase):
def setUp(self):
args = {'owner': 'airflow', 'start_date': DEFAULT_DATE}
self.dag = DAG('test_dag_id', default_args=args)
self.operator = SQSPublishOperator(task_id='test_task',
dag=self.dag,
sqs_queue='test',
message_content='hello',
aws_conn_id='aws_default')
self.mock_context = MagicMock()
self.sqs_hook = SQSHook()
@mock_sqs
def test_execute_success(self):
self.sqs_hook.create_queue('test')
result = self.operator.execute(self.mock_context)
self.assertTrue('MD5OfMessageBody' in result)
self.assertTrue('MessageId' in result)
message = self.sqs_hook.get_conn().receive_message(QueueUrl='test')
self.assertEqual(len(message['Messages']), 1)
self.assertEqual(message['Messages'][0]['MessageId'],
result['MessageId'])
self.assertEqual(message['Messages'][0]['Body'], 'hello')
context_calls = []
self.assertTrue(self.mock_context['ti'].method_calls == context_calls,
"context call should be same")
def setUp(self):
args = {'owner': 'airflow', 'start_date': DEFAULT_DATE}
self.dag = DAG('test_dag_id', default_args=args)
self.sensor = SQSSensor(task_id='test_task',
dag=self.dag,
sqs_queue='test',
aws_conn_id='aws_default')
self.mock_context = MagicMock()
self.sqs_hook = SQSHook()
def execute(self, context):
"""
Publish the message to SQS queue
:param context: the context object
:type context: dict
:return: dict with information about the message sent
For details of the returned dict see :py:meth:`botocore.client.SQS.send_message`
:rtype: dict
"""
hook = SQSHook(aws_conn_id=self.aws_conn_id)
result = hook.send_message(queue_url=self.sqs_queue,
message_body=self.message_content,
delay_seconds=self.delay_seconds,
message_attributes=self.message_attributes)
self.log.info('result is send_message is %s', result)
return result
def poke(self, context):
"""
Check for message on subscribed queue and write to xcom the message with key ``messages``
:param context: the context object
:type context: dict
:return: ``True`` if message is available or ``False``
"""
sqs_hook = SQSHook(aws_conn_id=self.aws_conn_id)
sqs_conn = sqs_hook.get_conn()
self.log.info('SQSSensor checking for message on queue: %s',
self.sqs_queue)
messages = sqs_conn.receive_message(
QueueUrl=self.sqs_queue,
MaxNumberOfMessages=self.max_messages,
WaitTimeSeconds=self.wait_time_seconds)
self.log.info("received message %s", str(messages))
if 'Messages' in messages and messages['Messages']:
entries = [{
'Id': message['MessageId'],
'ReceiptHandle': message['ReceiptHandle']
} for message in messages['Messages']]
result = sqs_conn.delete_message_batch(QueueUrl=self.sqs_queue,
Entries=entries)
if 'Successful' in result:
context['ti'].xcom_push(key='messages', value=messages)
return True
else:
raise AirflowException('Delete SQS Messages failed ' +
str(result) + ' for messages ' +
str(messages))
return False
def test_get_conn(self):
hook = SQSHook(aws_conn_id='aws_default')
self.assertIsNotNone(hook.get_conn())
class TestSQSSensor(unittest.TestCase):
def setUp(self):
args = {'owner': 'airflow', 'start_date': DEFAULT_DATE}
self.dag = DAG('test_dag_id', default_args=args)
self.sensor = SQSSensor(task_id='test_task',
dag=self.dag,
sqs_queue='test',
aws_conn_id='aws_default')
self.mock_context = MagicMock()
self.sqs_hook = SQSHook()
@mock_sqs
def test_poke_success(self):
self.sqs_hook.create_queue('test')
self.sqs_hook.send_message(queue_url='test', message_body='hello')
result = self.sensor.poke(self.mock_context)
self.assertTrue(result)
self.assertTrue(
"'Body': 'hello'" in str(self.mock_context['ti'].method_calls),
"context call should contain message hello")
@mock_sqs
def test_poke_no_messsage_failed(self):
self.sqs_hook.create_queue('test')
result = self.sensor.poke(self.mock_context)
self.assertFalse(result)
context_calls = []
self.assertTrue(self.mock_context['ti'].method_calls == context_calls,
"context call should be same")
@patch('airflow.providers.aws.sensors.sqs.SQSHook')
def test_poke_delete_raise_airflow_exception(self, mock_sqs_hook):
message = {
'Messages': [{
'MessageId': 'c585e508-2ea0-44c7-bf3e-d1ba0cb87834',
'ReceiptHandle': 'mockHandle',
'MD5OfBody': 'e5a9d8684a8edfed460b8d42fd28842f',
'Body': 'h21'
}],
'ResponseMetadata': {
'RequestId': '56cbf4aa-f4ef-5518-9574-a04e0a5f1411',
'HTTPStatusCode': 200,
'HTTPHeaders': {
'x-amzn-requestid': '56cbf4aa-f4ef-5518-9574-a04e0a5f1411',
'date': 'Mon, 18 Feb 2019 18:41:52 GMT',
'content-type': 'text/xml',
'mock_sqs_hook-length': '830'
},
'RetryAttempts': 0
}
}
mock_sqs_hook().get_conn().receive_message.return_value = message
mock_sqs_hook().get_conn().delete_message_batch.return_value = \
{'Failed': [{'Id': '22f67273-4dbc-4c19-83b5-aee71bfeb832'}]}
with self.assertRaises(AirflowException) as context:
self.sensor.poke(self.mock_context)
self.assertTrue(
'Delete SQS Messages failed' in context.exception.args[0])
@patch('airflow.providers.aws.sensors.sqs.SQSHook')
def test_poke_receive_raise_exception(self, mock_sqs_hook):
mock_sqs_hook().get_conn().receive_message.side_effect = Exception(
'test exception')
with self.assertRaises(Exception) as context:
self.sensor.poke(self.mock_context)
self.assertTrue('test exception' in context.exception.args[0])