Martin Fowler’s latest article dives into the trade-offs of building test harnesses — those scaffolding systems that make testing easier but come with their own overhead.
🔑 Key Insights
Harnesses add structure → They simplify complex testing scenarios and improve reliability.
Cost vs. benefit → Building and maintaining harnesses requires effort, but the payoff can be significant in long-term quality.
Team alignment → Harnesses encourage consistent practices across engineering teams.
Strategic decision → Not every project needs them — the value depends on scale, complexity, and future growth.
💡 Takeaway: Harnesses aren’t free, but when used wisely, they can be a powerful investment in sustainable software quality.
👉 Read the full article: https://martinfowler.com/articles/are-harnesses-worth-the-cost.html
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