October 2013
Intermediate to advanced
368 pages
9h 20m
English
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4.3 Fast Tests, Slow Tests, Filters, and Suites
If you test-drive small, isolated units of code, each of your tests has the ability to run blazingly fast. A typical test might run in less than a millisecond on a decent machine. With that speed, you can run at least thousands of unit tests in a couple seconds.
Dependencies on collaborators that interact with slow resources such as databases and external services will slow things down. Simply establishing a database connection might take 50ms. If a large percentage of your tests must interact with a database, your thousands of tests will require minutes to run. Some shops wait more than a half hour for all their tests to run.
You’ll learn how to begin breaking those dependencies on slow collaborators ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
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.