March 2017
Intermediate to advanced
821 pages
18h 21m
English
Content preview from JavaScript: Moving to ES2015Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Chapter 12. Patterns for Testing
Throughout this module we've been pushing the idea that JavaScript is no longer a toy language with which we can't do useful things. Real world software is being written in JavaScript right now and the percentage of applications using JavaScript is only likely to grow over the next decade.
With real software comes concerns about correctness. Manually testing software is painful and, weirdly, error-prone. It is far cheaper and easier to produce unit and integration tests that run automatically and test various aspects of the application.
There are countless tools available for testing JavaScript, from test runners to testing frameworks; the ecosystem is a rich one. We'll try to maintain a more or less tool-agnostic ...
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