Grinding Gears

At FreeAgent, we run 45,000 tests on every code change to make sure that our rails monolith continues to work as expected. These include unit, integration, and acceptance tests. Recently, we switched from Capybara-webkit to Headless Chrome with Selenium for running JavaScript and acceptance tests. Why did we switch? Capybara-webkit has now been deprecated and uses an old version of webkit engine, so we had to look for alternatives. We… Continue reading

Although I usually work in Support Engineering here at FreeAgent, I was recently given the opportunity to spend a six-week cycle working in the Dev Platform team. The technical aspect of the Support Engineer role is what drives me; I love to take a problem, dig into the source code and figure out how to solve it. The work in Dev Platform promised to be even more technical so I… Continue reading

In this Testermonial post, FreeAgent's resident test engineer describes why we've rebranded 'QA' and why what we call things matters. As mentioned in my previous Testermonial, my only gripe when starting at FreeAgent — and a very minor one at that — was the rather entrenched use of the term quality assurance or QA in the development and release process to describe the pre-release testing phase which occurs before deploying… Continue reading

In this post, FreeAgent's resident test engineer explores the use of exit criteria in user stories, the value they provide and how to write them (example included). Table of contents Background and prologue FreeAgent's first test engineer Testing as an embedded practice Testermonials Exit criteria in user stories Introducing exit criteria Exit criteria wins Writing valuable exit criteria An example user story with exit criteria FreeAgent’s first test engineer I… Continue reading

Here at FreeAgent we have a test suite that contains over 21,000 individual RSpec examples. Currently it takes approximately 4 hours to run in a single process. Here’s how we’ve tuned our test suite and CI system (Jenkins) to run them in under 4 minutes. 1. Parallelise The first step is to run the specs in parallel. Test queue We use test-queue, a parallel test runner by Aman Gupta. It… Continue reading