test_file_field.py 文件源码

def test_assign(cls):
        """Tests whether the :see:LocalizedFileValueDescriptor works properly"""

        temp_file = tempfile.NamedTemporaryFile(dir=MEDIA_ROOT)
        instance = cls.FileFieldModel()
        instance.file = {'en': temp_file.name}
        assert isinstance(instance.file.en, LocalizedFieldFile)
        assert instance.file.en.name == temp_file.name

        field_dump = pickle.dumps(instance.file)
        instance = cls.FileFieldModel()
        instance.file = pickle.loads(field_dump)
        assert instance.file.en.field == instance._meta.get_field('file')
        assert instance.file.en.instance == instance
        assert isinstance(instance.file.en, LocalizedFieldFile)

        instance = cls.FileFieldModel()
        instance.file = {'en': ContentFile("test", "testfilename")}
        assert isinstance(instance.file.en, LocalizedFieldFile)
        assert instance.file.en.name == "testfilename"

        another_instance = cls.FileFieldModel()
        another_instance.file = {'ro': instance.file.en}
        assert another_instance == another_instance.file.ro.instance
        assert another_instance.file.ro.lang == 'ro'