go-test

Table-driven tests in Go use a struct slice to define test cases and loop over them with t.Run. Best practices include structuring test data clearly and handling expected errors within the subtest closure to ensure maintainable test logic.

Parallel test execution in Go uses t.Parallel() to run subtests concurrently. This speeds up test execution significantly, but requires careful handling of shared state and variables to avoid race conditions across concurrent test cases.

Race detection in Go tests involves using the race detector to identify concurrent code issues. Techniques include running tests with the race flag enabled and properly isolating shared data using synchronization primitives or mocks to ensure thread safety.

Yes, a basic understanding of concurrent programming and the Go testing package is required. This knowledge is necessary to effectively apply parallel execution, handle race detection, and implement black-box versus white-box test design techniques.

Isolating Go tests involves using fakes, stubs, and mocks to replace real dependencies. This strategy ensures unit tests remain focused and reliable by preventing external side effects and controlling the behavior of underlying components.

Black-box testing checks external behavior without knowing internal structures, while white-box testing verifies internal logic. Equivalence partitioning and boundary value analysis help decide the approach based on whether internal code paths need validation.