def test_middleware_returns_none_for_non_supported_exception(self):
        """Middleware returns None for non-supported exception"""
        exception = TypeError()
        middleware = ExceptionHandlerMiddleware()

        self.assertFalse(middleware.process_exception(self.request, exception))
    def test_middleware_returns_response_for_supported_exception(self):
        """Middleware returns HttpResponse for supported exception"""
        exception = Http404()
        middleware = ExceptionHandlerMiddleware()

        self.assertTrue(middleware.process_exception(self.request, exception))