poltergeist/PhantomJS和capybara-webkit有何区别? [英] How do poltergeist/PhantomJS and capybara-webkit differ?

问题描述

1. PhantomJS和capybara-webkit有什么区别?
2. capybara-webkit相对于PhantomJS有什么优势?
3. 这两者中哪一个是最有效的工具?
4. 其他...

推荐答案

poltergeist 是水豚司机对于PhantomJS，这是一个基于WebKit构建的无头浏览器. capybara-webkit是一个直接使用WebKit的capybara驱动程序.

poltergeist is the capybara driver for PhantomJS, a headless browser which is built on WebKit. capybara-webkit is a capybara driver which uses WebKit directly.

poltergeist/PhantomJS与capybara-webkit相比有一些很大的优势:

poltergeist/PhantomJS has some big advantages over capybara-webkit:

• 在我的经验丰富的poltergeist/PhantomJS总是在应有的时间超时，而capybara-webkit有时会挂起.
• 其错误消息更加清晰.例如，它实际上会告诉您是否无法单击页面上的元素，因为它前面还有另一个元素.
• 可以告诉它重新引发Javascript错误作为测试错误(通过使用js_errors实例化驱动程序:是).
• PhantomJS的安装比独立的WebKit容易得多. PhantomJS提供了几乎没有依赖关系的可执行文件，您可以下载该文件，而独立WebKit则具有许多OS库依赖关系，您可能需要对其进行升级或弄乱.

• In my experience poltergeist/PhantomJS always times out when it should, whereas capybara-webkit sometimes hangs.
• Its error messages are much clearer. For example, it will actually tell you if it can't click an element that is on the page because there's another element in front of it.
• It can be told to re-raise Javascript errors as test errors (by instantiating the driver with js_errors: true).
• PhantomJS is much easier to install than standalone WebKit. PhantomJS provides a nearly dependency-free executable that you can download, while standalone WebKit has many OS library dependencies which you may have to upgrade or otherwise fiddle with.

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