Commit be4baaef authored by Raffaele Salmaso's avatar Raffaele Salmaso Committed by Tim Graham
Browse files

Fixed #23352 -- Added tests for MigrationGraph.{forwards,backwards}_plan

parent 1f45f3ce

tests/migrations/test_graph.py

+13 −0
Original line number Diff line number Diff line
@@ -133,3 +133,16 @@ class GraphTests(TestCase): 
            CircularDependencyError,

            graph.forwards_plan, ("app_a", "0003"),

        )



    def test_plan_invalid_node(self):

        """

        Tests for forwards/backwards_plan of nonexistent node.

        """

        graph = MigrationGraph()

        message = "Node ('app_b', '0001') not a valid node"



        with self.assertRaisesMessage(ValueError, message):

            graph.forwards_plan(("app_b", "0001"))



        with self.assertRaisesMessage(ValueError, message):

            graph.backwards_plan(("app_b", "0001"))