Refs #24282 -- Added failing test case for assigning models of wrong type to FK

        self.assertEqual(definition[1], [])

        self.assertEqual(sorted(definition[2]), ["atomic", "code"])

    def test_run_python_related_assignment(self):

        """

        #24282 - Tests that model changes to a FK reverse side update the model

        on the FK side as well.

        """

        def inner_method(models, schema_editor):

            Author = models.get_model("test_authors", "Author")

            Book = models.get_model("test_books", "Book")

            author = Author.objects.create(name="Hemingway")

            Book.objects.create(title="Old Man and The Sea", author=author)

        create_author = migrations.CreateModel(

            "Author",

            [

                ("id", models.AutoField(primary_key=True)),

                ("name", models.CharField(max_length=100)),

            ],

            options={},

        )

        create_book = migrations.CreateModel(

            "Book",

            [

                ("id", models.AutoField(primary_key=True)),

                ("title", models.CharField(max_length=100)),

                ("author", models.ForeignKey("test_authors.Author"))

            ],

            options={},

        )

        add_hometown = migrations.AddField(

            "Author",

            "hometown",

            models.CharField(max_length=100),

        )

        create_old_man = migrations.RunPython(inner_method, inner_method)

        project_state = ProjectState()

        new_state = project_state.clone()

        with connection.schema_editor() as editor:

            create_author.state_forwards("test_authors", new_state)

            create_author.database_forwards("test_authors", editor, project_state, new_state)

            project_state = new_state

            new_state = new_state.clone()

            create_book.state_forwards("test_books", new_state)

            create_book.database_forwards("test_books", editor, project_state, new_state)

            project_state = new_state

            new_state = new_state.clone()

            add_hometown.state_forwards("test_authors", new_state)

            add_hometown.database_forwards("test_authors", editor, project_state, new_state)

            project_state = new_state

            new_state = new_state.clone()

            create_old_man.state_forwards("test_books", new_state)

            create_old_man.database_forwards("test_books", editor, project_state, new_state)

    def test_run_python_noop(self):

        """

        #24098 - Tests no-op RunPython operations.