Parallel Test Execution

That AWS CodeBuild now supports parallel test execution, allowing you to run test suites simultaneously and dramatically reduce build times

Complexity and team size might increase the time needed to run extensive test suites, slowing pipeline execution

Prolonged cycles can lower developer confidence in continuous integration, increase unhappiness, and impede the product delivery cycle

CodeBuild's simultaneous test execution lets you run tests in several build computing environments

To determine which tests each node should run, CodeBuild uses environment variables to describe the number of nodes in use and overall

Equitable allocation: This method segments and alphabetizes test files evenly among concurrent test environments

Stability: This solution fixes shard test distribution with a consistent hashing scheme. File-to-shard assignments are preserved when files are added or removed

Python project with hundreds of tests for this demonstration. To speed things up, it told Amazon Q Developer to build a project and 1,800 test cases via the command line