Ruby-on-rails 水豚 click_link 与 :href 匹配
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capybara click_link with :href match
提问by Hymanpipe
I have the following test in a request spec:
我在请求规范中有以下测试：
page.should have_link('Edit user', :href => edit_users_path(@user))
This checks that a specific user in an index view has an edit link. I would like to click the same link, with something like:
这会检查索引视图中的特定用户是否具有编辑链接。我想单击相同的链接，例如：
click_link('Edit user', :href => edit_users_path(@user))
Unfortunately click_link doesn't accept options.
不幸的是，click_link 不接受选项。
Is there a good way to do this, it seems like a fairly obvious use case?
有什么好方法可以做到这一点，这似乎是一个相当明显的用例？
Should I be including an #id in the table <tr>or <td>and doing something like:
我应该在表中包含一个#id<tr>还是<td>执行以下操作：
within(#user_id)
click_link 'Edit user'
end
I'd prefer not to tinker with the view just to get the tests to work.
我不想仅仅为了让测试工作而修改视图。
回答by jvnill
you can use find find(:xpath, "//a[@href='/foo']").click
你可以使用查找 find(:xpath, "//a[@href='/foo']").click
回答by diabolist
You can use Capybara's lower level interface to do this. Try:
您可以使用 Capybara 的低级界面来执行此操作。尝试：
find("a[href='#{edit_users_path}']").click
回答by Hymanpipe
I ended up adding a helper module in spec/support/selectors.rb
我最终添加了一个辅助模块 spec/support/selectors.rb
module Selectors
Capybara.add_selector(:linkhref) do
xpath {|href| ".//a[@href='#{href}']"}
end
end
Then in the tests I use
然后在我使用的测试中
find(:linkhref, some_path).click
回答by jmarceli
Based on @Hymanpipe answer (and my previous experience) I build my own Capybara selector, here is the code for helper module (spec/support/selectors.rb):
根据@Hymanpipe 的回答（以及我以前的经验），我构建了自己的 Capybara 选择器，这里是辅助模块 ( spec/support/selectors.rb)的代码：
module Selectors
# find(:href, 'google.com')
Capybara.add_selector(:href) do
xpath {|href| XPath.descendant[XPath.attr(:href).contains(href)] }
end
end
Usage example:
用法示例：
find(:href, 'google')
What's the difference?
有什么不同？
Well this will find any link which contains 'google'. The following will match:
那么这将找到任何包含“谷歌”的链接。以下将匹配：
www.google.com
http://google.com
fonts.google.com
something.google.inside.com
What's more it will search only among descendant selectors so e.g. within('header') { find(:href, 'google').click }will work correct.
更重要的是，它只会在后代选择器中搜索，因此例如within('header') { find(:href, 'google').click }会正常工作。
回答by vanboom
Leaving the first argument blank seems to work for me...
将第一个参数留空似乎对我有用......
page.should have_link("", :href=>edit_comment_path(@comment))
