def test_execute_task_raises_exception_raised_when_updating_status_in_engine(self):
client = ExternalTaskClient(worker_id=1)
task = ExternalTask({"id": "1", "topicName": "my_topic"})
executor = ExternalTaskExecutor(worker_id=1, external_task_client=client)
TaskResultStatusInput = collections.namedtuple('TaskResultStatusInput',
['task_status', 'task_action', 'task_status_url',
'error_message'])
task_result_tests = [
TaskResultStatusInput("complete", self.task_success_action,
client.get_task_complete_url(task.get_task_id()),
"cannot update task status to complete"),
TaskResultStatusInput("failure", self.task_failure_action,
client.get_task_failure_url(task.get_task_id()),
"cannot update task status to failure"),
TaskResultStatusInput("bpmn_error", self.task_bpmn_error_action,
client.get_task_bpmn_error_url(task.get_task_id()),
"cannot update task status to BPMN err")
]
for task_result_test in task_result_tests:
with self.subTest(task_result_test.task_status):
responses.add(responses.POST, task_result_test.task_status_url,
body=Exception(task_result_test.error_message))
with self.assertRaises(Exception) as exception_ctx:
executor.execute_task(task, task_result_test.task_action)
self.assertEqual(task_result_test.error_message, str(exception_ctx.exception))
def test_execute_task_raises_exception_if_engine_returns_http_status_other_than_no_content_204(self):
client = ExternalTaskClient(worker_id=1)
task = ExternalTask({"id": "1", "topicName": "my_topic"})
executor = ExternalTaskExecutor(worker_id=1, external_task_client=client)
TaskResultStatusInput = collections.namedtuple('TaskResultStatusInput',
['task_status', 'task_action', 'task_status_url',
'http_status_code', 'expected_error_message'])
task_result_tests = [
TaskResultStatusInput("complete", self.task_success_action,
client.get_task_complete_url(task.get_task_id()), HTTPStatus.OK,
'Not able to mark complete for task_id=1 for topic=my_topic, worker_id=1'),
TaskResultStatusInput("failure", self.task_failure_action,
client.get_task_failure_url(task.get_task_id()), HTTPStatus.CREATED,
'Not able to mark failure for task_id=1 for topic=my_topic, worker_id=1'),
TaskResultStatusInput("bpmn_error", self.task_bpmn_error_action,
client.get_task_bpmn_error_url(task.get_task_id()), HTTPStatus.ACCEPTED,
'Not able to mark BPMN Error for task_id=1 for topic=my_topic, worker_id=1')
]
for task_result_test in task_result_tests:
with self.subTest(task_result_test.task_status):
responses.add(responses.POST, task_result_test.task_status_url,
status=task_result_test.http_status_code)
with self.assertRaises(Exception) as exception_ctx:
executor.execute_task(task, task_result_test.task_action)
self.assertEqual(task_result_test.expected_error_message, str(exception_ctx.exception))
def test_task_complete(self):
task = ExternalTask({"id": "1", "topicName": "my_topic"})
output_vars = {"var1": 1, "var2": "value", "var3": True}
expected_task_result = TaskResult.success(task, output_vars)
external_task_client = ExternalTaskClient(worker_id=1)
responses.add(responses.POST, external_task_client.get_task_complete_url(task.get_task_id()),
status=HTTPStatus.NO_CONTENT)
executor = ExternalTaskExecutor(worker_id=1, external_task_client=external_task_client)
actual_task_result = executor.execute_task(task, self.task_success_action)
self.assertEqual(str(expected_task_result), str(actual_task_result))