test_migrate.py 文件源码

def test_add_column_foreign_key(self):
        '''
        Versioned Models should not have foreign key references
        '''
        another_column = ForeignKeyField(
            Menu, related_name='food', null=True, to_field=Menu.id)
        migrate(migrator.add_column('food', 'another_column', another_column))
        self.assertTableHasColumn('food', 'another_column', ForeignKeyField)
        self.assertTableDoesNotHaveColumn('foodversion', 'another_column')