test_models.py 文件源码

def test_filepreviews_generate_when_updating_file(self):
        setup_mock()

        document = PreviewableDocument.objects.create(
            title='Test document',
            file=ContentFile(b('Hello world'), 'test1.txt')
        )

        document.file = ContentFile(b('Hello world'), 'test2.txt')
        document.save()

        self.assertEqual(len(responses.calls), 2)