README.md

Migration

In this part you will learn and exercise techniques of eliminating shared state modifications in tests. This allows to migrate tests from sequential to parallel execution.

First, familiarize yourself with code in this module.

• Run tests ./gradlew --rerun-tasks :part1.2-from-sequential-to-parallel:test :part1.2-from-sequential-to-parallel:createTestsExecutionReport --continue

• Check reports

• Enable parallel execution in SpockConfig.groovy

• Run tests again ./gradlew --rerun-tasks :part1.2-from-sequential-to-parallel:test :part1.2-from-sequential-to-parallel:createTestsExecutionReport --continue

Some tests failed. Let's fix it step by step.

• Add @Isolated (spock.lang.Isolated) to AppendTextSpec class, SetTextSpec class, MetricsSpec class and RemoveFileSpec class
• Run tests ./gradlew --rerun-tasks :part1.2-from-sequential-to-parallel:test :part1.2-from-sequential-to-parallel:createTestsExecutionReport --continue
• Check reports
• Repeat:
  • Remove @Isolated in one class (start with AppendTextSpec class, then SetTextSpec class and RemoveFileSpec class)
  • Fix tests
  • Run tests ./gradlew --rerun-tasks :part1.2-from-sequential-to-parallel:test :part1.2-from-sequential-to-parallel:createTestsExecutionReport --continue
  • Check reports

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