我正在尝试在我的应用程序i React上在前端和后端都没有mocha的情况下实现Selenium测试。但是我总是出错。摩卡咖啡运行,所以硒有问题吗?
在具有以下版本的MacOS上:
"mocha": "^6.2.2","selenium-webdriver": "^4.0.0-alpha.5"
"geckodriver": "^1.19.1","safari": "0.0.1"
这只是开始,这是一个非常简单的测试,用于返回应用程序的标题。
该应用已在http://localhost:3000/
上启动并运行
我尝试了不同的浏览器; Firefox和野生动物园。 它们全部打开,但是它们(最终)都返回相同的错误。
在test / src node SimpleTest.js
中运行测试
这是SimpleTest.js
var webdriver = require("selenium-webdriver");
const serverUri = "http://localhost:3000";
var browser = new webdriver.Builder()
.withCapabilities(webdriver.Capabilities.firefox())
.build();
browser.get(serverUri);
browser.getTitle()
.then(function (title) {
console.log("The title",title);
});
browser.quit();
我预期的输出
$ node SimpleTest.js
The title Me-Me-Me
但是我知道了
$ node SimpleTest.js
The title
(node:1582) UnhandledPromiseRejectionWarning: NoSuchSessionError: Tried to run command without establishing a connection
at Object.throwDecodedError (/$HOME/jsramverk/node_modules/selenium-webdriver/lib/error.js:550:15)
at parseHttpResponse (/$HOME/jsramverk/node_modules/selenium-webdriver/lib/http.js:563:13)
at Executor.execute (//$HOME/jsramverk/node_modules/selenium-webdriver/lib/http.js:489:26)
at process._tickCallback (internal/process/next_tick.js:68:7)
(node:1582) UnhandledPromiseRejectionWarning: Unhandled promise rejection. This error originated either by throwing inside of an async function without a catch block,or by rejecting a promise which was not handled with .catch(). (rejection id: 2)
(node:1582) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future,promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
已解决 我有太多运行异步代码的异步代码。
const { Builder } = require('selenium-webdriver');
const Firefox = require('selenium-webdriver/firefox');
require('geckodriver');
const serverUri = "http://localhost:3000/#";
let browser;
async function main() {
const builder = new Builder().forBrowser('firefox');
builder.setfirefoxOptions(new Firefox.Options().headless());
browser = await builder.build();
await browser.get(serverUri);
try {
const title = await browser.getTitle();
console.log(title);
} catch (ex) {
console.log("Something went wrong",ex.message);
} finally {
await browser.quit();
}
}
main().catch(console.error);