tests/dags/test_dag_xcom_openlineage.py

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from __future__ import annotations

import datetime

from airflow.models.dag import DAG
from airflow.operators.python import PythonOperator

dag = DAG(
    dag_id="test_dag_xcom_openlineage",
    default_args={"owner": "airflow", "retries": 3, "start_date": datetime.datetime(2022, 1, 1)},
    schedule="0 0 * * *",
    dagrun_timeout=datetime.timedelta(minutes=60),
)


def push_and_pull(ti, **kwargs):
    ti.xcom_push(key="pushed_key", value="asdf")
    ti.xcom_pull(key="pushed_key")


task = PythonOperator(task_id="push_and_pull", python_callable=push_and_pull, dag=dag)

if __name__ == "__main__":
    dag.cli()