In February, Meta researchers published a paper titled Automated Unit Test Improvement using Large Language Models at Meta, which introduces a tool they called TestGen-LLM. The fully automated approach to increasing test coverage “with guaranteed assurances for improvement over the existing code base” created waves in the software engineering world. Meta didn’t release the TestGen-LLM code, so we decided to implement it as part of our Cover-Agent open-source and we’re releasing it today! I’ll sh...