Pragmatic Unit Testing in C# with NUnit

by Hunt, Andrew

• ISBN13: 9780974514024
• ISBN10: 0974514020
• Format: Paperback
• Copyright: 2004-05-01
• Publisher: Oreilly & Associates Inc

Summary

All over the world, software teams are using unit testing both to verify their code and as a way of helping them design better code. This book is unique in the way it covers two aspects: showing developers both how to test and helping them determine what to test. This book gives teams straightforward and proven ways to introduce unit testing into their process, resulting in higher quality and fewer bugs.

Author Biography

Andy Hunt and Dave Thomas, partners in The Pragmatic Programmers LLC

Table of Contents

About the Starter Kit	p. xi
Preface	p. xiii
Introduction	p. 1
Coding With Confidence	p. 2
What is Unit Testing?	p. 3
Why Should I Bother with Unit Testing?	p. 4
What Do I Want to Accomplish?	p. 5
How Do I Do Unit Testing?	p. 7
Excuses For Not Testing	p. 7
Roadmap	p. 12
Your First Unit Tests	p. 13
Planning Tests	p. 14
Testing a Simple Method	p. 15
Running Tests with NUnit	p. 16
Running the Example	p. 22
More Tests	p. 26
Writing Tests in NUnit	p. 27
Structuring Unit Tests	p. 27
NUnit Asserts	p. 29
NUnit Framework	p. 31
NUnit Test Selection	p. 33
NUnit Custom Asserts	p. 40
NUnit and Exceptions	p. 41
Temporarily Ignoring Tests	p. 42
What to Test: The Right-BICEP	p. 45
Are the Results Right?	p. 46
Boundary Conditions	p. 49
Check Inverse Relationships	p. 50
Cross-check Using Other Means	p. 50
Force Error Conditions	p. 51
Performance Characteristics	p. 52
Correct Boundary Conditions	p. 55
Conformance	p. 56
Ordering	p. 57
Range	p. 59
Reference	p. 62
Existence	p. 63
Cardinality	p. 64
Time	p. 66
Try It Yourself	p. 68
Using Mock Objects	p. 73
Simple Stubs	p. 74
Mock Objects	p. 75
Formalizing Mock Objects	p. 79
When Not To Mock	p. 93
Properties of Good Tests	p. 95
Automatic	p. 96
Thorough	p. 97
Repeatable	p. 99
Independent	p. 99
Professional	p. 100
Testing the Tests	p. 102
Testing on a Project	p. 105
Where to Put Test Code	p. 105
Test Courtesy	p. 108
Test Frequency	p. 109
Tests and Legacy Code	p. 110
Tests and Reviews	p. 113
Design Issues	p. 117
Designing for Testability	p. 117
Refactoring for Testing	p. 119
Testing the Class Invariant	p. 130
Test-Driven Design	p. 132
Testing Invalid Parameters	p. 134
Gotchas	p. 137
As Long As The Code Works	p. 137
"Smoke" Tests	p. 137
"Works On My Machine"	p. 138
Floating-Point Problems	p. 138
Tests Take Too Long	p. 139
Tests Keep Breaking	p. 139
Tests Fail on Some Machines	p. 140
Resources	p. 141
On The Web	p. 141
Bibliography	p. 143
Summary: Pragmatic Unit Testing	p. 145
Answers to Exercises	p. 147
Table of Contents provided by Rittenhouse. All Rights Reserved.