如何在 Protractor 中发出 HTTP GET+POST 请求

问题描述

我在 Protractor 中发送 HTTP 获取请求时遇到问题.实际上，我需要在 UI 中执行一些操作后检查 DB 中的数据.

I am facing problem to send HTTP get request in Protractor. Actually, I need to check data in DB after perform some action in UI.

如果我能够使用 JQuery 来做这将非常有帮助，但我无法找到如何在 Protractor 中使用 JQuery.

It will be very helpful if I will be able to do it using JQuery, but I am not able to find a way how to use JQuery inside Protractor.

需要帮助！！

实际上，我们确实尝试使用如下所示的 Node.js 库，但遇到了问题.

Actually, we did try to use the Node.js lib as shown below, but facing problems in it.

var http = require('http');

var json_data;

http.get('SiteUrl', function(response) {
    var bodyString = '';
    response.setEncoding('utf8');

    response.on("data", function(chunk) {
        bodyString += chunk;
    });

    response.on('end', function() {

        json_data = bodyString;
        console.log("1---->" + json_data);
    });

}).on('error', function(e) {
    console.log("There is an error in GET request");
});
console.log("2---->" + json_data);

经过调试，我们发现问题是Protractor没有等待HTTP请求完成而只是传递.我们首先在控制台中获取 2---->，然后是 1---->.

After Debugging, we have found that the problem is Protractor is not waiting for HTTP request to be complete and just pass on. We are getting 2----> first in console and then 1---->.

推荐答案

我也使用 http 模块(用于不同的目的，用于重新初始化数据库).

I also use http module (for different purpose, for reinitialization of the database).

要让量角器等待结束请求，请使用承诺

To make protractor wait for ending the request, use promises

var http = require('http');

var json_data;

http.get('SiteUrl', function(response) {
    var bodyString = '';
    response.setEncoding('utf8');

    response.on("data", function(chunk) {
        bodyString += chunk;
    });

    response.on('end', function() {
        json_data = bodyString;
        console.log("1---->"+json_data);
        // All the processing and Angular code should be here
        console.log("2---->"+json_data);
    });

}).on('error', function(e) {
    console.log("There is an error in GET request");
});

如果你不喜欢把所有的数据处理都放到response.on('end')回调中，那就把回调单独做一个函数.

If you don't like putting all the data processing into response.on('end') callback, then make callback a separate function.

另外我不得不说，Protractor 并不是用来直接检查数据库的.它用于端到端测试.您最好构建一个复杂的场景，在其中一个页面上写入一些数据，然后转到另一个页面并期望数据被更新.

Additionally I have to say that Protractor is not intended to be used to check the database directly. It is for end-to-end testing. You should better build a complex scenario which writes some data on one of the page, go to another page and expects that data is updated.

这篇关于如何在 Protractor 中发出 HTTP GET+POST 请求的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！