All Stories

History Patterns for CI

We’re very pleased with Arcmutate’s new incremental analysis feature. It opens up new patterns of working which are not possible with pitest’s built in incremental analysis. This post will look...

More History

We recently added history files to our pitest PR workflows to avoid expensive computation when there are multiple pushes to a PR. It worked as designed, but the speedup it...

Pitest History with GitHub Actions

We’re big believers in dogfooding. We use Arcmutate for all our development, so we experience the same niggles and issues as our customers.

Mutating Spring

One of the most requested features for pitest over the years has been support for mutating annotations. It’s easy to understand why. Popular frameworks such as Spring allow key functionality...

Little Things

We’ve put some big headline features into Arcmutate: Kotlin support, test acceleration and pull request integration, but we’ve also added a lot of smaller things. They’re easy to overlook, but...

Mutation Testing on Azure

The latest release of Arcmutate adds support for pull requests on Azure Devops. This means Arcmutate now supports all the major git hosts.