The Department of Internal Affairs Government Information Services group develops and maintains a suite of SilverStripe-based sites deployed on the Common Web Platform. This group is responsible for delivering government information through sites such as the Government services website, the data resources website, the New Zealand Gazette and the Government’s digital site.
In maintaining and developing these sites, substantial effort had been put into customised features – such as a guided process to registering a new baby. The entirety of the Gazette front-end website and back-end management interfaces are comprised of particularly complex customisations to SilverStripe. While some features had been provided with corresponding unit test cases, much of the feature set across the sites had no automated testing.
As a result, any changes required significant effort in manual testing. The particularly error-prone process of upgrading the base CMS had therefore been avoided and, as a result, the software base had grown out-of-date.
Guaranteed quality delivered at speed
Assurity brought deep experience in the space of Automated Testing, Continuous Integration and Specification By Example to help the GIS group transform how features were delivered and provide tooling to continuously test and report on the quality of the sites in the portfolio.
Through targeted education with our Specification By Example course, team members were upskilled in how to write real-world, plain text test specifications early in the development process.
This process of shifting left helps developers move with greater velocity by guaranteeing quality before delivery downstream. Assurity also went through the existing feature customisation and developed automated test specifications to verify the functionality of those features across the four sites.
Assurity used the SilverStripe Behat extension to automate these plain-text test specifications. Behat basically translates plain text Gherkin test scenarios into executable Selenium scripts.
Assurity was responsible for developing more than 50 automated test specifications across the portfolio, many of which can be reused for future sites. Finally Assurity aided in continuously testing the portfolio by onboarding the sites to the Continuous Integration tool CircleCI.
As each developer checks in code to the source repository, CircleCI will check it out and execute the entire suite of test specifications against the newly-updated code.
Through CircleCI’s parallelisation features, more than 40 minutes of test scenarios could be executed within five minutes of the commit being checked in. Developers are notified of how their test performed against the scenarios within a few minutes. Any code that is to deployed to production must pass these test gates.
Assurity aided in not only developing test specifications for existing features, but also transforming how new features are developed. Through targeted upskilling in Specification By Example skills, Product Owners can now write test specifications as they write the user stories.
These can be translated into automated test specifications with little or no effort. As a result of this ‘shift-left’ investment, developers can move with greater velocity and confidence as they begin to implement new features or do things more fundamental like updating the SilverStripe installation.
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