The cucumber for java book
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Contents
Foreword xi
Acknowledgments xiii
Preface xv
Part I — Cucumber Fundamentals
1. Why Cucumber? 3
Automated Acceptance Tests 4
Behaviour-Driven Development 4
Living Documentation 6
How Cucumber Works 7
What We Just Learned 8
2. First Taste 11
Understanding Our Goal 11
Creating a Feature 12
Creating Step Definitions 17
Implementing Our First Step Definition 19
Changing Cucumber's Output 20
Testing Our Checkout Class 21
Adding an Assertion 23
Making It Pass 25
What We Just Learned 28
3. Gherkin Basics 31
What’s Gherkin For? 31
Format and Syntax 34
Feature 35
Scenario 36
Comments 40
Spoken Languages 41
What We Just Learned 42
Step Definitions: From the Outside . . 45
Steps and Step Definitions 46
Capturing Arguments 51
Multiple Captures 55
Flexibility 56
Returning Results 58
What We Just Learned 66
Expressive Scenarios . . 69
Background 69
Data Tables 72
Scenario Outline 79
Too Much Information 84
Doc Strings 86
Staying Organized with Tags and Subfolders 87
What We Just Learned 90
Keeping Your Cucumbers Sweet . . 91
Feeling the Pain 92
Working Together 95
Caring for Your Tests 102
Stop the Line and Defect Prevention 110
What We Just Learned 112
Part II —A Worked Example
7. Step Definitions: On the Inside 117
Sketching Out the Domain Model 118
Staying Honest with Transforms 123
Adding Custom Helper Methods 127
Organizing the Code 134
Dependency Injection 137
What We Just Learned 138
8. Support Code 141
Fixing the Bug 142
Bootstrapping the User Interface 149
Making the Switch 151
Using Hooks 156
Getting to Green 160
What We Just Learned 166
9. Message Queues and Asynchronous Components . . . 169
Our New Asynchronous Architecture 169
How to Synchronize 170
Implementing the New Architecture 172
Fixing the Flickering Scenario 179
What We Just Learned 184
10. Databases 185
Iterative Database Development 185
Refactoring to Use a Database 188
Reading and Writing to the Database 194
Cleaning the Database with Transactions 199
Cleaning the Database with Truncation 202
What We Just Learned 204
11. Simplifying Design with Dependency Injection .... 205
DI and Cucumber 205
Improving Our Design Using DI 207
PicoContainer Is Almost Invisible 213
Moving to Guice 214
Spring in Your Steps 218
CDI with Weld 221
What We Just Learned 223
12. Working with Web Applications 225
Selenium WebDriver 225
Handling Failure 228
Reusing the Browser 233
Ajax 235
What We Just Learned 242
13. Keeping Your Features Fast 245
Partitioning Features and Scenarios 245
What Sort of Tests? 248
Environment-Specific Step Definitions 250
Changing Step Definitions Using Tags 253
What We Just Learned 256
14. Controlling Cucumber 259
Cucumber’s Runtime Options 259
Overriding Cucumber Options 265
Automating Cucumber 266
What We Just Learned 272
15. Working with a REST Web Service 273
Structure Your Step Definitions 274
Storing Some Fruit 275
Building a Skeleton Web Server 276
The Fruits of Our Labor 280
What We Just Learned 283
16. Working with Legacy Applications 285
Characterization Tests 286
Squashing Bugs 288
Adding New Behavior 289
Are Your Scenarios Sufficient? 291
What We Just Learned 292
Al. Installing Cucumber 293
Choosing Your JARs 293
External Dependencies 295
Console Colors on Windows 296
A2. Cucumber and Other JVM Languages 297
Groovy 298
Scala 302
Clojure 303
A3. Bibliography 307
Index 309
