水豚与Rails:如何查找唯一不可见的元素 [英] Capybara with Rails: how to find ONLY invisible elements

问题描述

我正在使用Capybara(capybara 3.1.0)在Rails项目(Rails 5.2.0)中进行系统测试.

I am using Capybara(capybara 3.1.0) for system tests in Rails project(Rails 5.2.0).

确保元素不可见的方法是什么.

What is the way to ensure element is not visible.

我一直使用visible: false选项，直到我发现它也与可见元素匹配.

I was using the visible: false option until I just found it matches visible elements, too.

例如，我使用:

find("h1", visible: false).text

也不例外，h1的文本会打印在控制台中，而h1绝对可见.

There is no exception, and the text of the h1 is printed in the console, while h1 is definitely visible.

这是预期的吗?这种行为背后的逻辑是什么?确保元素不可见的正确方法是什么?

Is this expected? What is the logic behind this behavior? And what is the correct way to ensure element is not visible?

推荐答案

首次发布Capybara时，可见的值(true或false)用于启用或禁用可见性过滤器，但由于遗留测试原因而一直存在.您还可以指定:visible，:hidden，:all的值( https://www.rubydoc.info/github/teamcapybara/capybara/master/Capybara/Node/Finders#find-instance_method )，其中:visible的行为与true相同，:all的行为与false相同，并且:hidden将仅返回不可见的元素.

When Capybara was first released, the value of visible (true or false) meant to enable or disable the visibility filter, for legacy test reasons that has stayed. You can also specify values of :visible, :hidden, :all (https://www.rubydoc.info/github/teamcapybara/capybara/master/Capybara/Node/Finders#find-instance_method) where :visible behaves the same as true, :all behaves the same as false and :hidden will return only non-visible elements.

这意味着您的find需要成为

find("h1", visible: :hidden).text(:all)

如果需要文本，则需要:all参数，因为text默认为仅可见文本(

With the :all parameter needed if you want the text because text defaults to only visible text (https://www.rubydoc.info/github/jnicklas/capybara/Capybara/Node/Element#text-instance_method)

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