runner.py 文件源码

def setup_test_environment(self):
        "Create temp directory and update MEDIA_ROOT and default storage."
        super().setup_test_environment()
        settings._original_media_root = settings.MEDIA_ROOT
        settings._original_file_storage = settings.DEFAULT_FILE_STORAGE
        self._temp_media = tempfile.mkdtemp()
        settings.MEDIA_ROOT = self._temp_media
        settings.DEFAULT_FILE_STORAGE = 'django.core.files.storage.FileSystemStorage'