水豚找不到ID的元素 [英] Capybara can not find element by id

问题描述

水豚在我的黄瓜测试中无法通过ID找到< p> 标签。我 save_and_open_page 时可以看到该元素。但是我无法使用 has_css？或 find 找到它：

Capybara is not able to find a <p> tag by it's id in my cucumber test. I'm able to see the element when I save_and_open_page. But I can't locate it with has_css? or find:

pry(#<Object>)> page.html.scan(/notice_sent/).count
=> 1
pry(#<Object>)> page.html.scan(/id=\"notice_sent\"/).count
=> 1
pry(#<Object>)> page.find('#notice_sent')
Capybara::ElementNotFound: Unable to find css "#notice_sent"
from /Users/me/.gem/ruby/2.1.7/gems/capybara-2.4.4/lib/capybara/node/finders.rb:41:in 'block in find'

我缺少什么？

推荐答案

默认情况下，水豚找不到在页面上不可见的元素。您可以尝试

By default Capybara doesn't find elements that are not visible on the page. You can try

page.find('#notice_sent', visible: :all)

看看是否是这种情况。如果是这样，并且您正在测试一个应用程序，则应该执行用户将使该元素可见的任何操作，然后检查其存在。

to see if that's the case. If so, and you're testing an app, then you should perform whatever actions a user would perform that would make that element visible, and then check for its presence.

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