diff options
Diffstat (limited to 'tests')
| -rw-r--r-- | tests/migrations/test_operations.py | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/tests/migrations/test_operations.py b/tests/migrations/test_operations.py index 33b76984d4..64e29194ca 100644 --- a/tests/migrations/test_operations.py +++ b/tests/migrations/test_operations.py @@ -1308,6 +1308,51 @@ class OperationTests(OperationTestBase): operation.database_backwards("test_alflpkfk", editor, new_state, project_state) assertIdTypeEqualsFkType() + @skipUnlessDBFeature('supports_foreign_keys') + def test_alter_field_reloads_state_on_fk_with_to_field_target_type_change(self): + app_label = 'alter_field_reloads_state_on_fk_with_to_field_target_type_change' + project_state = self.apply_operations(app_label, ProjectState(), operations=[ + migrations.CreateModel('Rider', fields=[ + ('id', models.AutoField(primary_key=True)), + ('code', models.PositiveIntegerField(unique=True)), + ]), + migrations.CreateModel('Pony', fields=[ + ('id', models.AutoField(primary_key=True)), + ('rider', models.ForeignKey('%s.Rider' % app_label, models.CASCADE, to_field='code')), + ]), + ]) + operation = migrations.AlterField( + 'Rider', + 'code', + models.CharField(max_length=100, unique=True), + ) + self.apply_operations(app_label, project_state, operations=[operation]) + + @skipUnlessDBFeature('supports_foreign_keys') + def test_alter_field_reloads_state_on_fk_with_to_field_related_name_target_type_change(self): + app_label = 'alter_field_reloads_state_on_fk_with_to_field_rn_target_type_change' + project_state = self.apply_operations(app_label, ProjectState(), operations=[ + migrations.CreateModel('Rider', fields=[ + ('id', models.AutoField(primary_key=True)), + ('code', models.PositiveIntegerField(unique=True)), + ]), + migrations.CreateModel('Pony', fields=[ + ('id', models.AutoField(primary_key=True)), + ('rider', models.ForeignKey( + '%s.Rider' % app_label, + models.CASCADE, + to_field='code', + related_name='+', + )), + ]), + ]) + operation = migrations.AlterField( + 'Rider', + 'code', + models.CharField(max_length=100, unique=True), + ) + self.apply_operations(app_label, project_state, operations=[operation]) + def test_alter_field_reloads_state_on_fk_target_changes(self): """ If AlterField doesn't reload state appropriately, the second AlterField |