Cloud Composer 1 is in the post-maintenance mode. Google does not release any further updates to Cloud Composer 1, including new versions of Airflow, bugfixes, and security updates. We recommend planning migration to Cloud Composer 2.

Example DAG test (Airflow 1)

An example unit test for a DAG

Code sample

Python

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def test_dag_with_variables(set_variables):
    # Importing the module verifies that there are no syntax errors.
    from . import unit_testing_variables as module

    # The assert_has_valid_dag verifies that the module contains an Airflow DAG
    # and that the DAG contains no cycles.
    internal_unit_testing.assert_has_valid_dag(module)

What's next

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