Example #1
0
    def test_set_dag(self):
        """
        Test assigning Operators to Dags, including deferred assignment
        """
        dag = DAG('dag', start_date=DEFAULT_DATE)
        dag2 = DAG('dag2', start_date=DEFAULT_DATE)
        op = DummyOperator(task_id='op_1', owner='test')

        # no dag assigned
        self.assertFalse(op.has_dag())
        self.assertRaises(AirflowException, getattr, op, 'dag')

        # no improper assignment
        with self.assertRaises(TypeError):
            op.dag = 1

        op.dag = dag

        # no reassignment
        with self.assertRaises(AirflowException):
            op.dag = dag2

        # but assigning the same dag is ok
        op.dag = dag

        self.assertIs(op.dag, dag)
        self.assertIn(op, dag.tasks)
    def test_set_dag(self):
        """
        Test assigning Operators to Dags, including deferred assignment
        """
        dag = DAG('dag', start_date=DEFAULT_DATE)
        dag2 = DAG('dag2', start_date=DEFAULT_DATE)
        op = DummyOperator(task_id='op_1', owner='test')

        # no dag assigned
        self.assertFalse(op.has_dag())
        self.assertRaises(AirflowException, getattr, op, 'dag')

        # no improper assignment
        with self.assertRaises(TypeError):
            op.dag = 1

        op.dag = dag

        # no reassignment
        with self.assertRaises(AirflowException):
            op.dag = dag2

        # but assigning the same dag is ok
        op.dag = dag

        self.assertIs(op.dag, dag)
        self.assertIn(op, dag.tasks)