https://blog.devops-monk.com/tags/testing-strategy/Recent content in Testing-Strategy on Devops MonkHugoen-usSat, 23 May 2026 00:00:00 +0000https://blog.devops-monk.com/tutorials/testcontainers/unit-integration-system-testing/Sat, 23 May 2026 00:00:00 +0000https://blog.devops-monk.com/tutorials/testcontainers/unit-integration-system-testing/“We have 90% test coverage” means nothing if 90% of your tests are mocking away the parts that matter. A codebase full of unit tests that mock every dependency can have excellent coverage numbers while completely missing bugs that manifest when real components interact. Understanding the difference between unit tests, integration tests, and system tests — and when to use each — is the foundation of a test suite that actually finds bugs.