无法从另一个文件调用的javascript函数返回量角器框架中的promise

问题描述 投票:1回答:2

我是量角器和javascript的新手。我正在构建一个测试框架,其中每个测试套件都有相应的模块文件和定位器文件。在测试套件文件的测试用例中,通过传递参数调用测试模块。当我试图嵌套被调用的函数时,我得到“TypeError:无法读取属性'然后'未定义”。我看到堆栈溢出的许多解决方案,其中未返回promise但我从被调用的函数返回promise。以下是代码文件。

UserPage.js // Test suit from where modules are called

var d = require("../Data/TestCaseData.js");
var login = require("../Modules/LoginPageModule.js");
var user = require("../Modules/UserPageModule.js");
var userl = require("../Locators/UserPageLocators");

describe('first test suit',function(){

    beforeEach(function(){

           browser.get(d.iManUrl).then(function(){
            browser.manage().window().maximize();
            login.OSPLogin(d.username,d.password);
        })
    });

    it ('Creating user',function(){
        var person = {'Username' : 'u6' , 'Context' : 'novell' , 'Last name' : 'last' , 'Password' : 'n'};

        user.InputData(person).then(function(){
        //some steps
        };

    })


})

以下是模块:

/**
 * UserPageModule.js
 */
var obj = require("../Locators/LoginPageLocators");
var landing = require("../Locators/LandingPageLocators");
var user = require("../Locators/UserPageLocators");

var usercreated = false;

function UserPageModule(){

    this.InputData = function(person){

        this.InputUserPasswordContext(person).then(function(person){

            this.fill =function(data){
                for (var key in data) {
                      console.log(key);
                      element(by.xpath(user.identificationAddValueButtonXpath.replace("Input Field", key))).click();
                      element(by.css(user.identificationValueInputCss)).sendKeys(person [ key ]);
                      element(by.buttonText(user.identificationAcceptValueButtonText)).click();               
                    }
            }
            return new Promise(function(resolve,request){
                 return resolve(this.fill(person));
            })
        });
    }

    /*this.InputData = function(person){
        this.InputUserPasswordContext(person).then(function(person){
            this.InputFields(person);
        });
    }*/


    this.InputUserPasswordContext = function(person){
            return new Promise(function(resolve,reject){
                //Navigating to user page
                element(by.css(landing.userLinkCss)).click();

                //Clicking on add button
                element(by.css(user.createuserButtonCss)).click();

                //Inputting Username
                element(by.css(user.usernameInputCss)).sendKeys(person.Username).then(function(){
                    delete person.Username;
                });

                //Input password
                element(by.css(user.identificationPasswordInputCss)).sendKeys(person.Password);
                element(by.css(user.identificationRetypeInputCss)).sendKeys(person.Password).then(function(){
                    delete person.Password;
                });

                //Inputting context
                element(by.css(user.contextInputCss)).sendKeys(person.Context).then(function(){
                    delete person.Context;
                }).then(function(){
                    resolve(person);
                })
            })                  
    }




}

module.exports = new UserPageModule

现在我感觉用java和selenium制作模块化测试框架是多么容易。

javascript promise protractor ui-automation
2个回答
1
投票

你错过了return的顶级功能InputData

this.InputData = function(person){

        return this.InputUserPasswordContext(person).then(function(person){....

0
投票

你得到的那个错误是常见的,并且可能是由于你的return函数中缺少beforeEach引起的;如果你加入return,你最有可能在browser.get()之前需要一个.then()。我不完全确定,但请尝试以下方法:

beforeEach(function(){
    return browser.get(d.iManUrl).then(function(){
        browser.manage().window().maximize();
        login.OSPLogin(d.username,d.password);
    });
});
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