Pragmatic Unit Testing in C# with NUnit.pdf

What readers are saying about

Pragmatic Unit Testing . . .

This book starts out with a nice introduction discussing

what unit testing is as well as why we should do it. I like the

anecdotes peppered throughout the book illustrating the

point of why one should bother. . . . I also really liked the

analogies you use. It puts the code into a real-world context.

Sharee L. Johnson,

Project Lead, Applications Development

I wish I had a copy back when I started doing test-rst

development as part of Extreme Programming.

Al Koscielny, Software Developer

I'm not totally new to testing, but I've struggled with many

aspects of it. I think this book does a good job of bringing

those along who are completely new to unit testing, but still

has enough advanced material to assist those of us who have

dabbled in testing and oundered once we've hit obstacles.

Andrew Thompson,

Consultant, Greenbrier & Russel

When I'm on a project that needs to be doing unit testing

better (which is often the case), I'd like to have this book

available as a simple reference to suggest to the team.

Bobby Woolf, Consulting I/T Specialist,

IBM Software Services for Websphere

I am a rm believer in unit testing and I would want all

team members I work with to be religiously practicing the

techniques recommended in this book. I think there is a lot

of good, practical information in this book that any

professional software engineer should be incorporating into

their daily work.

James J. O'Connor III,

Lead System Design Engineer

Pragmatic Unit Testing

in C# with NUnit

Andy Hunt

Dave Thomas

The Pragmatic Bookshelf

Raleigh, North Carolina

Dallas, Texas

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Printed in the United States of America.

ISBN 0-9745140-2-0

Text printed on acid-free paper.

First printing, March 2004

Version: 2004-3-5

Contents

About the Starter Kit

viii

Preface

Introduction

1.1

Coding With Condence . . . . . . . . . . . . . .

1.2

What is Unit Testing? . . . . . . . . . . . . . . .

1.3

Why Should I Bother with Unit Testing?

. . . .

1.4

What Do I Want to Accomplish?

. . . . . . . . .

1.5

How Do I Do Unit Testing?

. . . . . . . . . . . .

1.6

Excuses For Not Testing . . . . . . . . . . . . . .

1.7

Roadmap

. . . . . . . . . . . . . . . . . . . . . .

Your First Unit Tests

2.1

Planning Tests

. . . . . . . . . . . . . . . . . . .

2.2

Testing a Simple Method

. . . . . . . . . . . . .

2.3

Running Tests with NUnit

. . . . . . . . . . . .

2.4

Running the Example . . . . . . . . . . . . . . .

2.5

More Tests

. . . . . . . . . . . . . . . . . . . . .

Writing Tests in NUnit

3.1

Structuring Unit Tests . . . . . . . . . . . . . . .

3.2

NUnit Asserts . . . . . . . . . . . . . . . . . . . .

3.3

NUnit Framework

. . . . . . . . . . . . . . . . .

3.4

NUnit Test Selection . . . . . . . . . . . . . . . .

3.5

NUnit Custom Asserts . . . . . . . . . . . . . . .

3.6

NUnit and Exceptions . . . . . . . . . . . . . . .

3.7

Temporarily Ignoring Tests . . . . . . . . . . . .

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