September 2010
Intermediate to advanced
600 pages
11h 41m
English
Content preview from Test-Driven JavaScript Development
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Chapter 17. Writing Good Unit Tests
Unit tests can be an incredible asset. When writing tests as part of the test-driven development cycle, tests help form the design of production code, provide us with an indication of progress, and help us scope down and only implement what we really need. When writing tests after the fact, they help form a suite of regression tests and a security net in which we can comfortably refactor code. However, simply adding unit tests to a project will not magically fix it. Bad tests not only provide little value, they can do actual damage to productivity and the ability to evolve the code base.
Writing good tests is a craft. Even if you already are a skilled programmer, you will find that getting good at writing ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.