我正在尝试使用 cucumber-js 进行 BDD,并使用 Headless Chrome 和 puppeteer 驱动浏览器测试。
使用来自cucumber node example和headless chrome的文档,我得到以下错误,整个代码库在这里可用:github repo。
错误:
- 类型错误:this.browser.newPage 不是函数
- 类型错误:this.browser.close 不是函数
// 功能/支持/world.js
const puppeteer = require('puppeteer');
var {defineSupportCode} = require('cucumber');
function CustomWorld() {
this.browser = puppeteer.launch();
}
defineSupportCode(function({setWorldConstructor}) {
setWorldConstructor(CustomWorld)
})
// 特征/step_definitions/hooks.js
const puppeteer = require('puppeteer');
var {defineSupportCode} = require('cucumber');
defineSupportCode(function({After}) {
After(function() {
return this.browser.close();
});
});
// 特征/step_definitions/browser_steps.js
const puppeteer = require('puppeteer');
var { defineSupportCode } = require('cucumber');
defineSupportCode(function ({ Given, When, Then }) {
Given('I am on the Cucumber.js GitHub repository', function (callback) {
const page = this.browser.newPage();
return page.goto('https://github.com/cucumber/cucumber-js/tree/master');
});
When('I click on {string}', function (string, callback) {
// Write code here that turns the phrase above into concrete actions
callback(null, 'pending');
});
Then('I should see {string}', function (string, callback) {
// Write code here that turns the phrase above into concrete actions
callback(null, 'pending');
});
});