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Testing tasks from CLI when they need dependencies from other tasks

apache/airflow#28287·46930·Python·1343 天未动·6 条评论·上游最近活跃 ·池内状态:可认领
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UPDATE: The title of the issue was updated (and type was changed to a feature) to reflect the discussion that we need a feature where we can supply dependencies from other tasks to those run via `task test` CLI command. ### Apache Airflow version 2.5.0 ### What happened Let's have following DAG with task `echo`: ```python @dag(start_date=pendulum.now()) def playground(): @task def echo(message: str): logging.info(f'Received message: "{message}"') return message echo("hello world") playground() ``` I would like to test the task from CLI. So according to the help and documentation I've created JSON with required parameter for the function and then I ran the following command: ```bash $ airflow tasks test playground echo -t '{"message": "this is airflow"}' ``` In the output I'll get the following lines: ``` [2022-12-10 21:15:19,874] {playground.py:10} INFO - Received message: "hello world" [2022-12-10 21:15:19,874] {python.py:177} INFO - Done. Returned value was: hello world ``` In my opinion, this is wrong behavior. ### What you think should happen instead If I provide the content of `message` parameter for the task, it should be used. So instead of message `"hello world"` the message `"this is airflow"` should be displayed and returned. Also it looks like, the task was called with the parameter from inside of the DAG. If I change the task this way: ```python @task def echo(message: str, *args, **kwargs): print(kwargs['params']) logging.info(f'Received message: "{message}"') return message ``` I can see in the output, that the parameter `message` from the test was really passed to the task with the proper value: ``` {'message': 'this is airflow'} [2022-12-10 21:26:10,495] {playground.py:11} INFO - Received message: "hello world" [2022-12-10 21:26:10,495] {python.py:177} INFO - Done. Returned value was: hello world ``` ### How to reproduce 1. Write simple task with TaskFlow API, such this: ```python import logging from air…
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