test_translating.py 文件源码

def test_translate_model_with_existing_field(self):
        class TestModel2(models.Model):
            title = models.CharField(max_length=100)
            title_nl = models.CharField(max_length=100)

            i18n = TranslationField(fields=('title', ))

            class Meta:
                app_label = 'django-modeltrans_tests'

        expected_message = (
            'Error adding translation field. Model "TestModel2" already '
            'contains a field named "title_nl".'
        )

        with self.assertRaisesMessage(ImproperlyConfigured, expected_message):
            translate_model(TestModel2)