Changelog Master Feed Crawl, walk & run your way to usable CLIs in Go (Go Time #337)
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Nov 12, 2024 Wesley Beary, a CLI and API development expert at Anchor, shares his journey through building production-ready CLIs. He discusses the challenges of usability and the steep learning curve of Go. The conversation includes effective testing strategies, user experience enhancements, and the transition from Ruby to Go. Beary emphasizes the importance of intuitive design, features like interactive modes, and the balance between functionality for novice and advanced users. It's a deep dive into the art of creating user-friendly command-line interfaces.
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Wesley's CLI Journey
- Wesley Beary's first CLI experience was with Heroku, which was written in Ruby.
- Now, at Anchor, he builds CLI and API tools for encryption, using Go.
Custom Tooling for UX
- Anchor's CLI needed custom tooling due to the team's focus on UX and rapid iteration.
- Standard Go libraries and testing examples didn't meet their specific needs for output testing and coverage.
Golden File Testing
- Use golden files to test CLI output, ensuring consistent results across test runs.
- This approach improves test coverage and simplifies the review process.