Continuous Integration: Improving Software Quality and Reducing Risk
- By Paul M. Duvall, Steve Matyas, Andrew Glover
- Published Jun 29, 2007 by Addison-Wesley Professional. Part of the Addison-Wesley Signature Series (Fowler) series.
- Copyright 2007
- Dimensions: 7x9-1/4
- Pages: 336
- Edition: 1st
- ISBN-10: 0-321-33638-0
- ISBN-13: 978-0-321-33638-5
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Product Author Bios
Paul Duvall is the CEO of Stelligent, a firm that helps clients create production-ready software every day. A featured speaker at many leading software conferences, he has worked in virtually every role on software projects: developer, project manager, architect, and tester. He is the principal author of Continuous Integration: Improving Software Quality and Reducing Risk (Addison-Wesley, 2007), a 2008 Jolt Award Winner. Paul contributed to the UML 2 Toolkit (Wiley, 2003), writes a series for IBM developerWorks called Automation for the people, and contributed a chapter to No Fluff Just Stuff Anthology: The 2007 Edition (Pragmatic Programmers, 2007). He is passionate about automating software development and release processes and actively blogs on IntegrateButton.com and TestEarly.com.
Stephen M. Matyas III is vice president of AutomateIT, a service branch of 5AM Solutions. He has a varied background in applied software engineering, with much of his professional, hands-on experience being in the areas of enterprise Java and custom software development and services.
Andrew Glover, president of Stelligent Incorporated, is a frequent speaker at conferences throughout North America, as well as author and coauthor of many books and online articles.
For any software developer who has spent days in “integration hell,” cobbling together myriad software components, Continuous Integration: Improving Software Quality and Reducing Risk illustrates how to transform integration from a necessary evil into an everyday part of the development process. The key, as the authors show, is to integrate regularly and often using continuous integration (CI) practices and techniques.
The authors first examine the concept of CI and its practices from the ground up and then move on to explore other effective processes performed by CI systems, such as database integration, testing, inspection, deployment, and feedback. Through more than forty CI-related practices using application examples in different languages, readers learn that CI leads to more rapid software development, produces deployable software at every step in the development lifecycle, and reduces the time between defect introduction and detection, saving time and lowering costs. With successful implementation of CI, developers reduce risks and repetitive manual processes, and teams receive better project visibility.
The book covers
- How to make integration a “non-event” on your software development projects
- How to reduce the amount of repetitive processes you perform when building your software
- Practices and techniques for using CI effectively with your teams
- Reducing the risks of late defect discovery, low-quality software, lack of visibility, and lack of deployable software
- Assessments of different CI servers and related tools on the market
The book’s companion Web site, www.integratebutton.com, provides updates and code examples.
Please visit the author's website at www.integratebutton.com.
19 of 19 people found the following review helpful
Covers all the major deployment and automation issues,
This review is from: Continuous Integration: Improving Software Quality and Reducing Risk (Paperback)Continuous Integration refers to the practice of automating the build, testing and deployment of your software, so that producing a finished executable (and the related artifacts) can be done at the touch of a button, and is ideally carried out several times a day.
If this seems like a nice to have feature of your own development, but less of a core practice when compared to version control and comprehensive tests (both of which are requirements for doing CI), this book does a pretty good job of advocating CI as being just as important.
First, the book introduces the core practices of CI (regular builds, tests, and deployment), then goes on to demonstrate how it facilitates other, more advanced practices, which gain value when automated, such as enforcing code style, and recording code metrics.
It does not assume any particular platform, although most of the code uses Java and C# (and associated XML configuration). As a result, it will appeal most to... Read more
11 of 11 people found the following review helpful
The Power of Feedback,
This review is from: Continuous Integration: Improving Software Quality and Reducing Risk (Paperback)This book is an excellent overview of why Continuous Integration is important and about more than just compiling frequently. The book helps you to understand why to do CI, what you can do beyond building, and how to do it. In addition to general principles, the book points you to some excellent tools and resources. This book is an excellent companion to Software Configuration Management Patterns: Effective Teamwork, Practical Integration; it provides teriffic information that support the build patterns in that book. You might already know some of the information in this book, but it is worth buying if you need to encourge CI in your organization for the clear discussion of why CI matters and the for the detailed advice on how to implement it.
7 of 7 people found the following review helpful
A must read book about Continuous Integration!!!,
This review is from: Continuous Integration: Improving Software Quality and Reducing Risk (Paperback)This book is a must read for everyone delving into the practice of Continuous Integration. In my opinion, Continuous Integration is one of the most important practices to really achieve agility and to mitigate risks related to architecture and software integration.
The book contains more than 40 practices related to this important subject. For me, an experienced software engineer who already uses and knows a lot of CI tools, the best chapters are those which illuminate how to do Continuous Database Integration (Chapter 5), Continuous Testing (Chapter 6) and Continuous Inspection (Chapter 7).
Another great plus of this book is Appendix B on how to evaluate CI Tools. It gives a lot of hints to choose the right CI tool for your project or company.
Even if you are an experienced CI practitioner this book is a welcome addition. It shows why each practice is important and what are the benefits to use it on a SW development project.
If you are a... Read more
› See all 22 customer reviews...
Online Sample Chapter
Table of Contents
Foreword by Martin Fowler xiii
Foreword by Paul Julius xv
About the Authors xxxi
About the Contributors xxxiii
Part I: A Background on CI: Principles and Practices 1
Chapter 1: Getting Started 3
Build Software at Every Change 4
Features of CI 12
Chapter 2: Introducing Continuous Integration 23
A Day in the Life of CI 25
What Is the Value of CI? 29
What Prevents Teams from Using CI? 32
How Do I Get to Continuous Integration? 33
When and How Should a Project Implement CI? 35
The Evolution of Integration 36
How Does CI Complement Other Development Practices? 37
How Long Does CI Take to Set Up? 38
CI and You 39
Commit Code Frequently 39
Don't Commit Broken Code 41
Fix Broken Builds Immediately 41
Write Automated Developer Tests 41
All Tests and Inspections Must Pass 42
Run Private Builds 42
Avoid Getting Broken Code 43
Chapter 3: Reducing Risks Using CI 47
Risk: Lack of Deployable Software 49
Risk: Late Discovery of Defects 53
Risk: Lack of Project Visibility 55
Risk: Low-Quality Software 57
Chapter 4: Building Software at Every Change 65
Automate Builds 67
Perform Single Command Builds 69
Separate Build Scripts from Your IDE 73
Centralize Software Assets 74
Create a Consistent Directory Structure 75
Fail Builds Fast 76
Build for Any Environment 77
Build Types and Mechanisms 78
Use a Dedicated Integration Build Machine 81
Use a CI Server 85
Run Manual Integration Builds 86
Run Fast Builds 87
Stage Builds 92
How Will This Work for You? 96
Part II: Creating a Full-Featured CI System 105
Chapter 5: Continuous Database Integration 107
Automate Database Integration 110
Use a Local Database Sandbox 117
Use a Version Control Repository to Share Database Assets 119
Continuous Database Integration 121
Give Developers the Capability to Modify the Database 123
The Team Focuses Together on Fixing Broken Builds 124
Make the DBA Part of the Development Team 124
Database Integration and the Integrate Button 125
Chapter 6: Continuous Testing 129
Automate Unit Tests 132
Automate Component Tests 134
Automate System Tests 136
Automate Functional Tests 137
Categorize Developer Tests 138
Run Faster Tests First 141
Write Tests for Defects 143
Make Component Tests Repeatable 148
Limit Test Cases to One Assert 156
Chapter 7: Continuous Inspection 161
What Is the Difference between Inspection and Testing? 164
How Often Should You Run Inspectors? 165
Code Metrics: A History 166
Reduce Code Complexity 167
Perform Design Reviews Continuously 170
Maintain Organizational Standards with Code Audits 173
Reduce Duplicate Code 176
Assess Code Coverage 180
Evaluate Code Quality Continuously 182
Chapter 8: Continuous Deployment 189
Release Working Software Any Time, Any Place 191
Label a Repository's Assets 191
Produce a Clean Environment 194
Label Each Build 195
Run All Tests 196
Create Build Feedback Reports 196
Possess Capability to Roll Back Release 199
Chapter 9: Continuous Feedback 203
All the Right Stuff 205
Use Continuous Feedback Mechanisms 209
Epilogue: The Future of CI 223
Appendix A: CI Resources 227
Continuous Integration Web Sites/Articles 227
CI Tools/Product Resources 229
Build Scripting Resources 232
Version Control Resources 233
Database Resources 234
Testing Resources 236
Automated Inspection Resources 239
Deployment Resources 241
Feedback Resources 241
Documentation Resources 243
Appendix B: Evaluating CI Tools 245
Considerations When Evaluating Tools 247
Automated Build Tools 255
Build Scheduler Tools 263
Downloadable Sample Chapter
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