`go test` runs Go unit tests (files ending with `*_test.go`).

• Ensure correctness during refactoring.
• Automated checks in CI pipelines.

• Run tests for the current package:

    go test
 

• Run all tests:

    go test ./...
 

• Verbose output:

    go test -v ./...
 

• Coverage:

    go test -cover ./...
 

• unit test /ˈjuːnɪt test/: kiểm thử đơn vị
• refactor /ˌriːˈfæktər/: tái cấu trúc code
• coverage /ˈkʌvərɪdʒ/: độ bao phủ test
• CI (Continuous Integration) /kənˈtɪnjuəs ˌɪntɪˈɡreɪʃən/: tích hợp liên tục
• pipeline /ˈpaɪplaɪn/: chuỗi quy trình