ATDD by Example

Foreword by Kent Beck xi Foreword by Dale Emery xiii Preface xv Acknowledgments xxi About the Author xxiii Part I: Airport Parking Lot 1 Chapter 1: Parking Cost Calculator Workshop 3 Valet Parking 3 Short-Term Parking 5 Economy and Long-Term Parking 6 Essential Examples 9 Summary 12 Chapter 2: Valet Parking Automation 17 The First Example 18 Pairing for the First Test 25 Tabulated Tests 36 Summary 39 Chapter 3: Automating the Remaining Parking Lots 41 Short-Term Parking Lot 41 Economy Parking Lot 44 Summary 46 Chapter 4: Wish and Collaborate 47 Specification Workshops 48 Wishful Thinking 49 Collaboration 50 Summary 52 Part II: Traffic Light Software System 53 Chapter 5: Getting Started 55 Traffic Lights 55 FitNesse 58 Supporting Code 59 Summary 60 Chapter 6: Light States 61 State Specifications 61 The First Test 62 Diving into the Code 66 Refactoring 70 Summary 90 Chapter 7: First Crossing 93 Controller Specifications 93 Driving the Controller 94 Summary 118 Chapter 8: Discover and Explore 119 Discover the Domain 120 Drive the Production Code 121 Test Your Glue Code 122 Value Your Glue Code 124 Summary 125 Part III: Principles of Acceptance Test-Driven Development 127 Chapter 9: Use Examples 129 Use a Proper Format 130 Refine the Examples 142 Cut Examples 146 Consider Gaps 149 Summary 151 Chapter 10: Specify Collaboratively 153 Meet the Power of Three 153 Hold Workshops 155 Trawl Requirements 158 Summary 159 Chapter 11: Automate Literally 161 Use Friendly Automation 162 Collaborate on Automation 164 Discover the Domain 166 Summary 167 Chapter 12: Test Cleanly 169 Develop Test Automation 170 Listen to the Tests 172 Refactor Tests 176 Summary 180 Chapter 13: Successful ATDD 183 Appendix A: Cucumber 187 Feature Files 187 Step Definitions 188 Production Code 189 Appendix B: FitNesse 191 Wiki Structure 191 SLiM Tables 192 Support Code 193 Appendix C: Robot Framework 195 Sections 195 Library Code 199 References 201 Index 205

Markus Gärtner arbeitet als Agiler Tester, Trainer, Coach und Berater bei der it-agile GmbH in Hamburg. Er hat den German Agile Testing and Exploratory-Workshop (GATE) 2011 gegründet und ist Mitbegründer des europäischen Abschnitts von Weekend Testing. Außerdem ist er Schwarzgurt-Lehrmeister in der Miagi-Do-Schule des Softwaretestens und trägt zur Agile Alliance FTT-Patterns Writing Community sowie zur Software-Craftsmanship-Bewegung bei. Er referiert regelmäßig weltweit auf agilen und Tester-Konferenzen und widmet sich ausgiebig dem Schreiben über das Testen. Er bloggt regelmäßig und lehrt bei Kunden in der agilen Welt ATDD und kontextgetriebenes Testen. ATDD hat er Testern ohne technischen Hintergrund sowie Programmierern vermittelt.