swift - Alamofire 3.2 : How do I validate the response of an 'upload' POST call?

Question

我有一个简单的上传 POST 调用，

Alamofire.upload(
    .POST,
    "https://httpbin.org/post",
    multipartFormData: { multipartFormData in
        multipartFormData.appendBodyPart(fileURL: unicornImageURL, name: "unicorn")
        multipartFormData.appendBodyPart(fileURL: rainbowImageURL, name: "rainbow")
    },
    encodingCompletion: { encodingResult in
        switch encodingResult {
        case .Success(let upload, _, _):
            upload.responseJSON { response in
                debugPrint(response)
            }
        case .Failure(let encodingError):
            print(encodingError)
        }
    }
)

即使响应是 404/500 错误，它也总是转到 .Success 案例。

我的问题是，如何验证此请求的响应？

Answer 1

验证

默认情况下，无论响应内容如何，​​Alamofire 都会将任何已完成的请求视为成功。如果响应具有 Not Acceptable 状态代码或 MIME 类型，则在响应处理程序之前调用验证会导致生成错误。手动验证

Alamofire.request(.GET, "https://httpbin.org/get", parameters: ["foo": "bar"])
     .validate(statusCode: 200..<300)
     .validate(contentType: ["application/json"])
     .response { response in
         print(response)
     }

自动验证

自动验证 200...299 范围内的状态代码，以及响应的 Content-Type header 是否与请求的 Accept header 匹配(如果提供的话)。

Alamofire.request(.GET, "https://httpbin.org/get", parameters: ["foo": "bar"])
     .validate()
     .responseJSON { response in
         switch response.result {
         case .Success:
             print("Validation Successful")
         case .Failure(let error):
             print(error)
         }
     }

好吧，终于

case .Success(let upload, _, _):
                upload.validate(statusCode: 200..<300)
                    .validate(contentType: ["application/json"])
                    .response { response in
                        print(response)
                }