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The Art of Lean Software Development
book

The Art of Lean Software Development

by Curt Hibbs, Steve Jewett, Mike Sullivan
January 2009
Beginner content levelBeginner
142 pages
4h 15m
English
O'Reilly Media, Inc.
Content preview from The Art of Lean Software Development

Chapter 4. Practice 1: Automated Testing

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Never do manually anything that can be automated.

Curt Hibbs

Mistake-proofing is a fundamental Lean concept. It is a central part of producing a quality product and reducing waste (by eliminating rework). This is just as true in software development as it is in manufacturing. Automated testing is the primary means of mistake-proofing in software development.

Not coincidentally, automated testing is also a cornerstone of the Agile methodologies. Automated testing is so ubiquitous in the Agile world that it is just assumed that no one would even consider writing new code without automated tests. Although this is not quite as true with legacy code, even there the trend is toward increasing use of automated testing.

Automated testing is a pretty broad term. We are using it here as an umbrella term to refer to all kinds of testing: unit testing, integration testing, acceptance testing, executable specifications testing, performance testing, load testing, story testing, test-driven development, test-first development, behavior-driven development, etc.

Each of these different types of testing have a particular focus, but they all have the following in common:

  • The tests are created manually by developers

  • They can all be run automatically, without human intervention

  • They are run by some type of test harness

  • Test failures are detected automatically

  • The developer ...

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Publisher Resources

ISBN: 9780596155711Errata Page