在Cypress.io中是否有编程方式来更改用户代理？ [英] Is there a programmatic way to change user agent in Cypress.io?

问题描述

我有一些仅在移动设备上进行的广告通话。在Chrome浏览器中，我可以使用设备模式并模拟移动设备，并且来自服务器的最终广告调用已正确地针对移动设备进行了定制。我不确定Chrome如何做到这一点，除非可以发送其他用户代理。

I have some ad calls that are only made on mobile devices. In Chrome, I can use Device Mode and simulate a mobile device, and the resulting ad call from the server is correctly tailored to mobile. I'm not sure how Chrome does this, except possibly by sending a different user agent.

在Cypress.io文档中，它说可以在以下位置更改用户代理。配置文件（Cypress.json）。但是，我需要先对桌面视口进行测试，然后再对具有移动用户代理的移动视口进行测试。有没有办法以编程方式更改用户代理？

In the Cypress.io documentation, it says the user agent can be changed in the configuration file (Cypress.json). But, I need to run a test for a desktop viewport and then a mobile viewport with a mobile user agent. Is there a way to change the user agent programmatically?

推荐答案

聚会晚了一点，但是例如，如果需要，设置 userAgent 作为 Googlebot ：

Little late to the party, but if you need, for example, set userAgent as Googlebot:

before(() => {
    cy.visit(url, {
        onBeforeLoad: win => {
            Object.defineProperty(win.navigator, 'userAgent', {
                value: 'Mozilla/5.0 (compatible; Googlebot/2.1; +http://www.google.com/bot.html)',
            });
        },
    });
});

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