Python dag_is_valid Examples

Example #1

File: test_dag.py Project: robin-173/sayn

def test_missing_parents01():
    test_dag = {
        "task1": ["task2", "task3"],
        "task2": ["task3", "adf"],
        "task3": ["task4"],
    }
    assert dag.dag_is_valid(test_dag).is_err

Example #2

File: test_dag.py Project: robin-173/sayn

def test_valid02():
    test_dag = {"task1": ["task2", "task3"], "task2": ["task3"], "task3": []}
    assert dag.dag_is_valid(test_dag).is_ok

Example #3

File: test_dag.py Project: robin-173/sayn

def test_cycle03():
    test_dag = {"task1": ["task2", "task3"], "task2": ["task3"], "task3": ["task1"]}
    assert dag.dag_is_valid(test_dag).is_err