Test Simba distributed lock and leader election implementations with MockK and TCK conformance.
npx skills add https://github.com/Ahoo-Wang/Simba --skill simba-testing
Please help me install this Agent Skill. Skill: simba-testing Source: https://github.com/Ahoo-Wang/Simba/tree/main/skills/simba-testing Command: npx skills add https://github.com/Ahoo-Wang/Simba --skill simba-testing
Testing Simba distributed lock and leader election implementations is challenging due to timing-sensitive behavior, backend-specific setup requirements, and the need to verify both application logic and backend conformance without flaky tests.
Use the simba-testing skill to write unit tests for your Simba-based distributed lock service, extend the TCK for your custom backend, or debug timing-sensitive leadership change behavior.
High-intent search queries and answers about installing and using this skill.
You can test distributed lock logic in isolation by using MockK to mock MutexContendServiceFactory. This allows you to simulate leadership changes and verify application behavior quickly without backend setup.
Verify custom Simba backend implementations by extending the MutexContendServiceSpec. This conformance testing ensures your Redis, JDBC, or Zookeeper backends meet all required distributed lock and leader election behaviors.
Intermittent distributed scheduler test failures often stem from timing flakiness and resource leaks. Apply proper timeout handling, test isolation, and consistent assertion styles to debug timing-sensitive leadership changes reliably.
Yes, you can test AbstractScheduler leadership gating behavior. Use standardized mocking patterns to simulate leadership changes, ensuring your distributed task scheduler logic executes correctly only when leadership is acquired.
The best way to isolate leader election logic is mocking the MutexContendServiceFactory with MockK. This approach provides test isolation, eliminates backend dependencies, and allows fast verification of leadership change handling.
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