Cover page by Nat Pryce, Steve Freeman

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Chapter 5. Maintaining the Test-Driven Cycle

Every day you may make progress. Every step may be fruitful. Yet there will stretch out before you an ever-lengthening, ever-ascending, ever-improving path. You know you will never get to the end of the journey. But this, so far from discouraging, only adds to the joy and glory of the climb.

—Winston Churchill

Introduction

Once we’ve kick-started the TDD process, we need to keep it running smoothly. In this chapter we’ll show how a TDD process runs once started. The rest of the book explores in some detail how we ensure it runs smoothly—how we write tests as we build the system, how we use tests to get early feedback on internal and external quality issues, and how we ensure that the tests continue ...

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