Javascript 模拟同一对象的多个方法时,Sinon存根返回空响应
我试图用sinon在一个对象中模拟两种方法。其中一个方法返回预期的响应,但另一个方法返回空jsonJavascript 模拟同一对象的多个方法时,Sinon存根返回空响应,javascript,node.js,sinon,sinon-chai,Javascript,Node.js,Sinon,Sinon Chai,我试图用sinon在一个对象中模拟两种方法。其中一个方法返回预期的响应,但另一个方法返回空json describe("Unit test cases ", () => { describe("scenario 1", function() { let getResponse, updateResponse; before(function() { getResponse = sinon .stub(DataApi.prototype, "g
describe("Unit test cases ", () => {
describe("scenario 1", function() {
let getResponse, updateResponse;
before(function() {
getResponse = sinon
.stub(DataApi.prototype, "getState")
.returns(
Promise.resolve(
JSON.parse(
fs.readFileSync("./test/get-response.json").toString("utf8")
)
)
);
updateResponse = sinon
.stub(DataApi.prototype, "updateState")
.returns(
Promise.resolve(
JSON.parse(
fs.readFileSync("./test/update-response.json").toString("utf8")
)
)
);
});
after(function() {
getResponse.restore();
updateResponse.restore();
});
it("TC1", () => {
let event;
var fn = function() {
try {
console.log(
"before testing" +
JSON.stringify(DataApi.prototype.updatePromoteState())
); // returns {} instead of response json
handle(event, context, callback);
} catch (error) {
throw error;
}
};
expect(fn).to.not.throw("Successfully Processed");
});
});
});
updatestate方法的源代码
public updateState (authorization: string, xB3TraceId: string, xAppName?: string) : Promise<any> {
const localVarPath = this.basePath + '{abc}';
let localVarQueryParameters: any = {};
let localVarHeaderParams: any = (<any>Object).assign({}, this.defaultHeaders);
let localVarFormParams: any = {};
let localVarUseFormData = false;
let localVarRequestOptions: localVarRequest.Options = {
method: 'PUT',
qs: localVarQueryParameters,
headers: localVarHeaderParams,
uri: localVarPath,
json: true,
body: ObjectSerializer.serialize(promoteState, "PromoteState")
};
return new Promise<{ response: http.IncomingMessage; body?: any; }>((resolve, reject) => {
localVarRequest(localVarRequestOptions, (error, response, body) => {
if (error) {
reject(error);
} else {
if (response.statusCode && response.statusCode >= 200 && response.statusCode <= 299) {
resolve({ response: response, body: body });
} else {
reject({ response: response, body: body });
}
}
});
});
}
public updateState(授权:string,xB3TraceId:string,xAppName?:string):承诺{
const localVarPath=this.basePath+'{abc}';
让localVarQueryParameters:any={};
让localVarHeaderParams:any=(Object.assign({},this.defaultHeaders);
让localVarFormParams:any={};
让localVarUseFormData=false;
让localVarRequestOptions:localVarRequest.Options={
方法:'放',
qs:localVarQueryParameters,
标题:localVarHeaderParams,
uri:localVarPath,
是的,
正文:ObjectSerializer.serialize(promoteState,“promoteState”)
};
返回新承诺((解决、拒绝)=>{
localVarRequest(localVarRequestOptions,(错误、响应、正文)=>{
如果(错误){
拒绝(错误);
}否则{
如果(response.statusCode&&response.statusCode>=200&&response.statusCode您使用存根的方式是正确的,并且应该可以工作。而且它们实际上可以工作,那么问题是这里的模拟方法返回承诺(Promise.resolve(JSON.parse(…)
)
上面的代码试图记录承诺,而不是实际值
您可以在函数调用之前添加wait
关键字,并将fn函数更改为async。因此它或多或少会变为:
const fn = async () => {
try {
console.log(
'before testing' + JSON.stringify(DataApi.prototype.updateState()),
);
} catch (error) {
throw error;
}
};
或者删除存根函数中的Promise.resolve
s。您可以添加DataApi.prototype.updateprotestate
的源代码吗。
const fn = async () => {
try {
console.log(
'before testing' + JSON.stringify(DataApi.prototype.updateState()),
);
} catch (error) {
throw error;
}
};