我正在使用Typescript和量角和摩卡咖啡。基本上试图运行将通过多个页面进行的测试。我正在尝试使用POM,但是当我使用继承时无法实例化对象。
当我尝试创建新对象时,请低于错误:
unhandled -promisreeptiondwarning:typeError:homepage_1.homepage不是构造函数
我可以实例化类的对象,该类别不会从任何其他类延伸(下面的导航对象没有问题(。我在这里尝试了类似问题的各种建议,但它们似乎都没有用。
这是我的测试类:e2e.ts
import { browser } from 'protractor';
import { Navigation } from './core/Navigation';
import { HomePage } from './page-objects/HomePage';
var nav = new Navigation(); // <-- SUCCESS NO PROBLEMS
var hmPg = new HomePage(); // <-- FAILS HERE
describe('Add product to cart',async function() {
it("start from homepage", async function() {
nav.navigate("index");
});
it("Perform search", async function() {
hmPg.search("monopoly board game");
});
//some more tests here till adding the product to cart
});
主页类:homepage.ts
import {browser, element, protractor} from 'protractor';
import { BasePageObject } from './BasePageObject';
export class HomePage extends BasePageObject{
private EC = protractor.ExpectedConditions;
private map;
constructor(){
super();
super.loadMap(process.cwd()+"\page-objects\homePage.json");
}
public search(product:string){
//some stuff here
}
//some more methods here.
}
这是我的basepageObject.ts类:
//some imports here
export class BasePageObject{
//to store parsed json
public mapData;
public mapPath:string;
public contentData;
public contentPath:string;
constructor(){
//nothing to do here. Just setting the logger.
log = factory.getLogger("BasePageObject");
}
//some other methods here
}
这是我的tsconfig.json
{
"compileOnSave": true,
"compilerOptions": {
"baseUrl": ".",
"module": "commonjs",
"paths": { "*": ["types/*"] },
"outDir": "./dist/out-tsc",
"mapRoot": "./dist/out-tsc/",
"esModuleInterop": true,
"sourceMap": true,
"declaration": false,
"moduleResolution": "node",
"emitDecoratorMetadata": true,
"experimentalDecorators": true,
"allowSyntheticDefaultImports": true,
"target": "es6",
"typeRoots": [
"node_modules/@types",
]
}
}
这是在我的测试类运行TSC之后生成的JS文件:
Object.defineProperty(exports, "__esModule", { value: true });
var protractor_1 = require("protractor");
var Navigation_1 = require("./core/Navigation");
var HomePage_1 = require("./page-objects/HomePage");
var nav = new Navigation_1.Navigation();
var hmPg = new HomePage_1.HomePage(); <--- FAILS HERE
describe('Add product to cart', function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
this.timeout(90000);
it("start from homepage", function () {
return __awaiter(this, void 0, void 0, function () {
....
...
..
.
这是我来自package.json的依赖性:
"dependencies": {
"@types/mocha": "^5.2.7",
"@types/node": "^11.13.17",
"chai": "^4.2.0",
"chai-as-promised": "^7.1.1",
"graphviz": "0.0.9",
"minimist": "^1.2.0",
"mocha": "^6.1.4",
"npm-failsafe": "^0.4.1",
"protractor": "^5.4.2",
"protractor-screenshot-utils": "^1.0.3",
"rimraf": "^2.6.3",
"serenity-cli": "^0.11.3",
"serenity-js": "^1.10.13",
"ts-node": "^8.3.0",
"tslint": "^5.18.0",
"typescript": "^3.5.2",
"typescript-logging": "^0.6.3",
"yargs": "^13.2.4"
}
应该很简单,var obj = new Class()
对吗?那是行不通的。
问题中包含的代码不足以查看问题是什么。但是,基于可以收集的任何东西,您正在使用异步/等待量身定向管理器设置为false。
。如果是这种情况
该错误只是意味着您拥有的代码本质上是异步的,而由此产生的承诺也没有处理。我建议查找作为new HomePage()
的一部分执行的所有代码。
另外,只是快速浏览代码以识别任何此类未经辩护的诺言。
希望有帮助...