This looks really interesting way to provide UI continuous integration testing.

Like any piece of good software, Piwik comes with a comprehensive QA suite that includes unit and integration tests. The unit tests make sure core components of Piwik work properly. The integration tests make sure Piwik’s tracking and report aggregation and APIs work properly.

To complete our QA suite, we’ve recently added a new type of tests: Screenshot tests, that we use to make sure Piwik’s controller and JavaScript code works properly.

Being a storyteller at Google's DiRT must be really fun. You could start reading the green sidebar at the bottom of this article and read the first part if interested, or first read this interesting article and looking forward for a nice final. 😀

Failures happen, and resilience drills help organizations prepare for them. KRIPA KRISHNAN, GOOGLE
Whether it is a hurricane blowing down power lines, a volcanic-ash cloud grounding all flights for a continent, or a humble rodent gnawing through underground fibers—the unexpected happens. We cannot do much to prevent it, but there is a lot we can do to be prepared for it. To this end, Google runs an annual, company-wide, multi-day Disaster Recovery Testing event—DiRT—the objective of which is to ensure that Google's services and internal business operations continue to run following a disaster.