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I want to have the ability to test the correct swapping of a stylesheet in my test suite. With this post about testing the page title using Capybara, I thought I would be able to test any link tags in the head section of the page. But it seems I am mistaken.
With a step like this:
save_and_open_page
page.should have_xpath("//link") # just something as simple as this, first.
save_and_open_page generates a HTML like this (with some stuff removed for brevity):
<head>
...
<link href="/home/ramon/source/unstilted/public/system_test/stylesheets/fancake/css/2.css?1323572998" type="text/css" class="jquery-styler" rel="stylesheet">
...
</head>
But I get this failure:
expected xpath "//link" to return something (RSpec::Expectations::ExpectationNotMetError)
Given all that, how do I test a stylesheet?
Thanks!
434
If you want to check that a CSS file exists on a page, then you can do the following:
page.should have_xpath("//link[contains(@href, 'style.css')]")
That'll check whether there are any <link> elements where the href attribute contains style.css. The error about "expected xpath to return something" means that the XPath you provided didn't actually exist - why it thinks that, I'm not sure, as you have a perfectly valid <link> tag in the HTML you've provided.
88
When I am checking for a css what I do is something like
expect(page.body).to include('/home/ramon/source/unstilted/public/system_test/stylesheets/fancake/css/2.css')
1
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