You can specify an optional match option which will automatically use the selector if it matches the argument:. RackTest RackTest is Capybara’s default driver. It is written in pure Ruby and does not have any support for executing JavaScript. Install as a gem: It is significantly faster than drivers like Selenium since it does not load an entire browser. More info about the driver and env. This is how to switch the selenium driver to use chrome:

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And add the javascript tag to our Cucumber feature files. Access to session and request is not possible from the test, Access to response is limited.

Javascript Testing With Capybara and Cucumber

For example if you’d prefer to run everything in Selenium, you could do:. Unit does not support selecting the driver through test metadata, but you can switch the driver for specific classes using the setup and teardown methods. Capybara simulates how a real user would interact with a web application. Order of these words can be changed, the main idea is to keep case simple.

You can install it with: Capybara uses bundler in development. Capybara does not try to guess what kind of selector you are going to give it, and will always use CSS by default.


Javascript Testing With Capybara and Cucumber – Larry Price

You can add other config options, but I listed the most necessary ones for the overall QA report. Selenium Selenium is the default Javascript driver for capybara. Whatever is returned from the block should conform to the API described by Emv You can place hook logic anywhere under Capybaras support folder. To be more precise Capybara does not interact with website, it is like layer or a bridge between actual web driver.

The former would incorrectly wait for the content to appear, since the asynchronous process has not yet removed the element from the page, it would therefore fail, even though the code might be working correctly. You can now use these selectors like rnv. Now you can add the final post build action — Cucumber reports. Install celerity as noted above, and make sure that JRuby is in your path. Make sure your patches are well tested, Capybara is a testing tool after all.

In the past, I had written off testing the Javascript in my Sinatra apps as being not worth caapybara pain of setting up.

RSpec’s metadata feature can be used to switch to a different driver. Actions You can interact with the webapp by following links and buttons. In case the test fails you will be able to check the console error message and code without spending time reproducing the issue. Using Selenium means that your tests will be running using Firefox.


Capybara aims to simplify the process of integration testing Rack applications, such as Rails, Sinatra or Merb. Test driver, but not for other drivers like Selenium. Generated on Wed Dec 26 You can now use these selectors like this: Cucumber takes care of this automatically, but with Test:: Unfortunately, this makes them much, much slower than when you were running the tests using rspec.

Selenium webdriver — which is mostly used in web-based automation frameworks. You can adjust how long this period is the default is 2 seconds: Gems can use this API to add their own drivers to Capybara.

Note that calybara default driver: Capybara makes it possible to restrict certain actions, such as interacting with forms or clicking links and buttons, to within a specific area of the page.