har文件问题与webdriverio一起使用browsermob-proxy

问题描述

我正尝试通过和和webdriverio。它运行正常，但没有生成 har 文件。我尝试更改下面的行

I was trying to use browsermob-proxy using this and this with webdriverio. It runs fine , but theres no har file generated. I tried changing the below line

fs.writeFileSync('stuff.har', data, 'utf8');

到

fs.writeFile('/Users/abc/xyz/stuff.har', data, 'utf8');

在以下代码中（来自上面的链接）

in the below code (from above links)

   var Proxy = require('browsermob-proxy').Proxy
    , webdriverio = require("./node_modules/webdriverio/")
    , fs = require('fs')
    , proxy = new Proxy()
;
proxy.cbHAR('search.yahoo.com', doSeleniumStuff, function(err, data) {
        if (err) {
            console.error('ERR: ' + err);
        } else {
            fs.writeFileSync('stuff.har', data, 'utf8');

        }
});

function doSeleniumStuff(proxy, cb) {
    var browser = webdriverio.remote({
        host: 'localhost'
        , port: 4444
        , desiredCapabilities: { browserName: 'firefox', seleniumProtocol: 'WebDriver', proxy: { httpProxy: proxy } }
    });

    browser
        .init()
        .url("http://search.yahoo.com")
        .setValue("#yschsp", "javascript")
        .submitForm("#sf")
        .end(cb);
}

但仍然没有 har 将生成该位置的文件。

but still no har file at the location is generated. What is missing here?

推荐答案

我终于能够运行以下代码来生成har文件。注意将 doSeleniumStuff 函数从 .end（cb）; 更改为 .end（） .then（cb）;

I finally was able to run the below code to generate the har file. Note minor change to doSeleniumStuff function from .end(cb); to .end().then(cb);

var Proxy = require('browsermob-proxy').Proxy
    , webdriverio = require("./node_modules/webdriverio/")
    , fs = require('fs')
    , proxy = new Proxy()
;

proxy.cbHAR('search.yahoo.com', doSeleniumStuff, function(err, data) {

        if (err) {

            console.error('ERR: ' + err);
        } else {

            fs.writeFileSync('stuff.har', data, 'utf8');
            //fs.writeFile('/Users/hanu/Desktop/amit/webdriverio/webdriverio-test/stuff.har', data, 'utf8');

        }
});

function doSeleniumStuff(proxy, cb) {

    var browser = webdriverio.remote({
        host: 'localhost'
        , port: 4444
        , desiredCapabilities: { browserName: 'firefox', seleniumProtocol: 'WebDriver', proxy: { httpProxy: proxy } }
    });

    browser
        .init()
        .url("http://search.yahoo.com")
        .setValue("#yschsp", "javascript")
        .submitForm("#sf")
        .end().then(cb);

}

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