February 2019
Intermediate to advanced
626 pages
15h 51m
English
Content preview from Mastering Windows PowerShell Scripting - Third Edition
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Describe and It
Groups of tests are written within a Describe block. The Describe block must be given a name. A Describe block is often named after the subject of the tests.
Tests are declared using It, followed by a description. The It statement contains assertions that are declared using Should.
Pester 4Pester 3 expected assertion keywords (Be, BeLike, and so on) to be written as a bare word; for example: $value | Should -Be 0.
Pester 4 supports the syntax used by Pester 3 as legacy syntax. The assertion names are now also presented as dynamic parameters; for example: $value | Should -Be 0.
This allows tools such as ISE and Visual Studio Code to provide auto completion when Should is typed. The tests that are used as examples in this ...
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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.