cpp-testing

Fix flaky GoogleTest tests by applying a structured RED-GREEN-REFACTOR approach to implement the smallest correct fix while improving test isolation and determinism. Ensure your CMake and CTest configuration reliably discovers and runs the tests to prevent environmental flakiness.

Configure CTest to discover GoogleTest tests by using the gtest_discover_tests command in your CMakeLists.txt file. This approach provides reliable test discovery at runtime rather than build time, ensuring tests are properly registered and executed within your CI pipeline.

Use sanitizers to debug C++ test failures by enabling them during your build process to detect memory leaks, race conditions, and undefined behavior. Run your GoogleTest suite with sanitizers active to surface hidden memory or concurrency issues causing tests to fail.

Yes, you can run a single GoogleTest suite using CTest by configuring focused test runs. Properly setting up gtest_discover_tests allows you to filter and execute specific test suites or individual cases without running the entire test binary, streamlining your debugging workflow.

The RED-GREEN-REFACTOR approach for C++ unit tests is a structured workflow where you first write a failing test, implement the smallest correct fix to make it pass, and then refactor the code. This loop ensures reliable coverage when creating or updating GoogleTest tests.

CMake test discovery often fails in CI pipelines due to improper gtest_discover_tests configuration or missing runtime dependencies. Ensure your CMake setup uses deterministic and isolated test practices with correct CTest configuration to reliably discover and execute tests in CI environments.