examples(airflow): csv_to_postgres example

airflow/examples/test_dag.py

@@ -0,0 +1,32 @@
+from datetime import datetime, timedelta
+from airflow import DAG
+from airflow.providers.standard.operators.python import PythonOperator
+
+def test_task(**context):
+    print("Test task executed successfully!")
+    return "success"
+
+default_args = {
+    "owner": "test",
+    "depends_on_past": False,
+    "start_date": datetime(2024, 1, 1),
+    "email_on_failure": False,
+    "email_on_retry": False,
+    "retries": 1,
+    "retry_delay": timedelta(minutes=5),
+}
+
+dag = DAG(
+    "test_dag",
+    default_args=default_args,
+    description="Simple test DAG",
+    schedule=None,
+    catchup=False,
+    tags=["test"],
+)
+
+test_task = PythonOperator(
+    task_id="test_task",
+    python_callable=test_task,
+    dag=dag,
+)