tests/dags/test_mapped_taskflow.py

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from __future__ import annotations

import datetime

from airflow.models.dag import DAG

with DAG(dag_id="test_mapped_taskflow", start_date=datetime.datetime(2022, 1, 1)) as dag:

    @dag.task
    def make_list():
        return [1, 2, {"a": "b"}]

    @dag.task
    def consumer(value):
        print(repr(value))

    consumer.expand(value=make_list())
    consumer.expand(value=[1, 2, 3])