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acceptance testing



capybara


capybara is the next generation testing library for web apps acceptance testing.

It took me 3 days to migrate 128 scenarios (806 steps) from webrat to capybara. Here are the problems I have encountered and how I solved them:

have_tag matcher


API: Rack::Test unofficial support for http vebs

ssl_requirement plugin


capybara does not play well with ssl_requirement (Rails plugin written by DHH)
webrat had no problem with it so I suspect it is a capybara bug
  

  SslRequirement.module_eval do

    def ensure_proper_protocol      

      true

    end

  end


case sensitive texts



symbol for ids in fill_in


session_id changes when subdomain changes

solution: 

Before do
  WirecardGateway.stub_xml_response_with 'wirecard_cc_success_response.xml'
  host! "wwww.betterplace.local"
end

Testing presence of images


Then /^I should see the image "([^\"]*)"$/ do |file_name|

  page.should have_xpath("//*/img[contains(@src, '#{file_name}')]")

end


def should_have_exclamation_mark(selector, colour, scale)
  with_scope(selector) do
    src = exclamation_mark_src(colour, scale)
    page.should have_xpath(".//img[contains(@src, '#{src}')]")
  end
end

webrat


Use tag#id with have_tag matcher


Then /^I should not see the payment option "([^\"]*)"$/ do |payment_option|

  response.should_not have_tag("input##{payment_option}")

end




Posted by Mike Gehard on Tuesday September 21, 2010 at 07:58AM

Ever wanted to be able to debug an HTML page using the power of Firebug while running Cucumber/Capybara features/steps?

Follow these simple steps and you can get it to work:

1) Create a new "WebDriver" Firefox profile using the instructions found here

2) Fire up Firefox using the newly created profile and install/configure Firebug the way you want it. See instructions above.

3) Run your Cucumber/Capybara steps and pause the feature using a sleep() statement long enough for you to poke around in the page with Firebug.

**Note this has been proven to work on OS X, your mileage on other OS's may be limited.



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