[英]Swagger Nodejs - Response Validation Failed
我正在用 Swagger 和 NodeJS 構建 API,到目前為止我遇到的惱人問題是 Swagger 驗證響應,但它並不總是順利。
我的情況:
在 file.yaml 中:我用 Swagger 編輯器檢查了 yaml 語法 => 文件 Yaml 是正確的。
/user/createNew:
x-swagger-router-controller: xxxxxxx
post:
tags:
- User
summary: Create New User
# used as the method name of the controller
operationId: createNewUser
parameters:
- name: NewUserReq
in: body
required: true
description: Email register
schema:
$ref: "#/definitions/NewUserReq"
responses:
"201":
description: Successful
schema:
# a pointer to a definition
$ref: "#/definitions/CreateUserResp"
# responses may fall through to errors
default:
description: Error
schema:
$ref: "#/definitions/ErrorResponse"
CreateUserResp:
properties:
status:
type: integer
description: Response status
response:
$ref: "#/definitions/MsgResponse"
MsgResponse:
required:
- resp_msg
properties:
resp_msg:
type: string
為了檢查響應格式,我從 Swagger Editor 生成了 NodeJs 文件
examples['application/json'] = {
"response" : {
"resp_msg" : "aeiou"
},
"status" : 123
};
在 controller 文件.js 中:
function createNewUser(req,res){
....
var resp = new Object();
resp.resp_msg=data.email;
final_response.status = 200;
final_response.response = resp;
console.log("createNewUser::Query succeffully", JSON.stringify(final_response));
//{"status":200,"response":{"resp_msg":"test@gmail.com"}}
res.set('Content-Type', 'application/json');
res.json(final_response);
}
嘗試使用 Postman 運行 API,錯誤發生在以下日志中:
Error: Response validation failed: failed schema validation
at throwErrorWithCode (/var/app/current/node_modules/swagger-express-mw/node_modules/swagger-node-runner/node_modules/swagger-tools/lib/validators.js:121:13)
at Object.module.exports.validateAgainstSchema (/var/app/current/node_modules/swagger-express-mw/node_modules/swagger-node-runner/node_modules/swagger-tools/lib/validators.js:176:7)
at /var/app/current/node_modules/swagger-express-mw/node_modules/swagger-node-runner/node_modules/swagger-tools/middleware/swagger-validator.js:141:22
at /var/app/current/node_modules/swagger-express-mw/node_modules/swagger-node-runner/node_modules/swagger-tools/node_modules/async/lib/async.js:356:13
at async.forEachOf.async.eachOf (/var/app/current/node_modules/swagger-express-mw/node_modules/swagger-node-runner/node_modules/swagger-tools/node_modules/async/lib/async.js:233:13)
at _asyncMap (/var/app/current/node_modules/swagger-express-mw/node_modules/swagger-node-runner/node_modules/swagger-tools/node_modules/async/lib/async.js:355:9)
at Object.map (/var/app/current/node_modules/swagger-express-mw/node_modules/swagger-node-runner/node_modules/swagger-tools/node_modules/async/lib/async.js:337:20)
at validateValue (/var/app/current/node_modules/swagger-express-mw/node_modules/swagger-node-runner/node_modules/swagger-tools/middleware/swagger-validator.js:134:11)
at ServerResponse.res.end (/var/app/current/node_modules/swagger-express-mw/node_modules/swagger-node-runner/node_modules/swagger-tools/middleware/swagger-validator.js:252:9)
at ServerResponse.send (/var/app/current/node_modules/express/lib/response.js:205:10)
我無法弄清楚是什么導致了錯誤,我仔細檢查了 JSON 響應的結構。
非常感謝任何建議。
您已輸入required: true這意味着您必須傳遞該參數,否則將出現響應驗證失敗。
我試圖重現,但它給了我一些錯誤。 但是,我嘗試刪除MsgResponse
並將CreateUserResp
定義為單個定義,並且它起作用了:
CreateUserResp:
type: object
properties:
response:
type: object
properties:
resp_msg:
type: string
description: The response object
status:
type: number
description: The status code
似乎您沒有將response
定義為對象,而只是向其添加了一些屬性。
在嘗試了一些實驗之后,我讓它工作了。 我的解決方案只是將 yaml 文件中的響應代碼“201”更改為“200”,並且有效。 我不知道為什么我留下了響應代碼“201”。 無論如何,我對此還是個新手,不知道這是否是最佳實踐。 我願意接受任何更好的建議。
如果您未在 header 中指定請求正文中發送的數據類型,則會出現此錯誤
Content-Type : application/json
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