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Accelerating CI with AWS CodeBuild: Parallel test execution now available
- AWS CodeBuild has introduced parallel test execution to run test suites concurrently, reducing build times significantly.
- Long test durations can pose challenges for continuous integration, slowing down pipeline execution and causing delays in feature delivery and bug fixes.
- Parallel test execution in CodeBuild allows tests to run concurrently across multiple build compute environments, enhancing efficiency.
- Test splitting in CodeBuild involves configuring the batch fanout section in buildspec.xml and using codebuild-tests-run utility with selected splitting methods.
- Two sharding strategies available are equal-distribution and stability, offering flexibility in distributing tests across shards.
- CodeBuild supports automatic merging of test reports, simplifying result analysis by consolidating test summaries into a single report.
- To implement parallel testing, users need to configure parallelism levels, test commands, and test splitting methods in the buildspec.yaml file.
- Parallel testing works with various testing frameworks such as Django, Elixir, Go, Java, JavaScript, Kotlin, PHPUnit, Ruby, and more.
- CodeBuild's parallel test execution accelerates development cycles, is compatible with different testing frameworks, and is available at no additional cost in all AWS Regions.
- The feature is compatible with all three compute modes in CodeBuild and can significantly reduce test execution times, enhancing overall team productivity.
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