def test_extra_serialized_field_and_multiple_operator_links(self):
"""
Assert extra field exists & OperatorLinks defined in Plugins and inbuilt Operator Links.
This tests also depends on GoogleLink() registered as a plugin
in tests/plugins/test_plugin.py
The function tests that if extra operator links are registered in plugin
in ``operator_extra_links`` and the same is also defined in
the Operator in ``BaseOperator.operator_extra_links``, it has the correct
extra link.
"""
test_date = datetime(2019, 8, 1)
dag = DAG(dag_id='simple_dag', start_date=test_date)
CustomOperator(task_id='simple_task', dag=dag, bash_command=["echo", "true"])
serialized_dag = SerializedDAG.to_dict(dag)
self.assertIn("bash_command", serialized_dag["dag"]["tasks"][0])
dag = SerializedDAG.from_dict(serialized_dag)
simple_task = dag.task_dict["simple_task"]
self.assertEqual(getattr(simple_task, "bash_command"), ["echo", "true"])
#########################################################
# Verify Operator Links work with Serialized Operator
#########################################################
# Check Serialized version of operator link only contains the inbuilt Op Link
self.assertEqual(
serialized_dag["dag"]["tasks"][0]["_operator_extra_links"],
[
{'airflow.utils.tests.CustomBaseIndexOpLink': {'index': 0}},
{'airflow.utils.tests.CustomBaseIndexOpLink': {'index': 1}},
]
)
# Test all the extra_links are set
self.assertCountEqual(simple_task.extra_links, [
'BigQuery Console #1', 'BigQuery Console #2', 'airflow', 'github', 'google'])
ti = TaskInstance(task=simple_task, execution_date=test_date)
ti.xcom_push('search_query', ["dummy_value_1", "dummy_value_2"])
# Test Deserialized inbuilt link #1
custom_inbuilt_link = simple_task.get_extra_links(test_date, "BigQuery Console #1")
self.assertEqual('https://console.cloud.google.com/bigquery?j=dummy_value_1', custom_inbuilt_link)
# Test Deserialized inbuilt link #2
custom_inbuilt_link = simple_task.get_extra_links(test_date, "BigQuery Console #2")
self.assertEqual('https://console.cloud.google.com/bigquery?j=dummy_value_2', custom_inbuilt_link)
# Test Deserialized link registered via Airflow Plugin
google_link_from_plugin = simple_task.get_extra_links(test_date, GoogleLink.name)
self.assertEqual("https://www.google.com", google_link_from_plugin)
def make_simple_dag():
"""Make very simple DAG to verify serialization result."""
dag = DAG(
dag_id='simple_dag',
default_args={
"retries": 1,
"retry_delay": timedelta(minutes=5),
"depends_on_past": False,
},
start_date=datetime(2019, 8, 1),
)
BaseOperator(task_id='simple_task', dag=dag, owner='airflow')
CustomOperator(task_id='custom_task', dag=dag)
return {'simple_dag': dag}
def make_simple_dag():
"""Make very simple DAG to verify serialization result."""
with DAG(dag_id='simple_dag',
default_args={
"retries": 1,
"retry_delay": timedelta(minutes=5),
"depends_on_past": False,
},
start_date=datetime(2019, 8, 1),
is_paused_upon_creation=False,
access_control={"test_role": {"can_dag_read",
"can_dag_edit"}}) as dag:
CustomOperator(task_id='custom_task')
BashOperator(task_id='bash_task',
bash_command='echo {{ task.task_id }}',
owner='airflow')
return {'simple_dag': dag}