It looks as though I will need to put all of my test strings into a file and run them line for line - but then I need tests for my tests and its turtles all the way down.
#Pester test code
It gives us the possibility to write code that will automate the testing of our scripts. It includes tools to define and execute test cases against anything that can be written in. I’ll be using the Mocking feature of Pester to mock the Get-Module command and. Pester is a framework for executing tests.
#Pester test install
Remember we don’t need to actually install the module in the system to test this scenario. Perhaps I should not be trying to add the Unicode characters directly to my tests and instead put them into some file - but for simplicity this would have been nice. Pester is a test unit framework for PowerShell. Test 1: Our first test is to check whether the Test-TargetResource method returns a true if the Get-Module cmdlet finds a module that is passed as parameter in the system. Make sure the Test results files pattern matches what you configured as the Results file in the previous step.
#Pester test how to
In this article, Robert Cain demonstrates how to use the testing tool, Pester, to perform unit, integration, and acceptance testing. for example trying to test that '＆' results in 'ï1⁄4†' fails because the string '＆' becomes 'ï¼â€' under Pester. Advanced Testing of Your PowerShell Code with Pester Testing your PowerShell scripts is just as important as testing any code. I have found that many Unicode characters are re-encoded. First of all, we need to figure out what we’re going to test.
Let’s create a simple infrastructure test with Pester. Pester creates a PSDrive inside the users temporary drive that is accessible via a named PSDrive TestDrive. It is usually desirable not to perform file activity tests that will produce side effects outside of an individual test. There are plenty of other resources out there for that. A test may need to work with file operations and validate certain types of file activities. This isn’t an article covering how to use Pester. However, Pester isn't limited to testing PS1 files it also can quickly test modules (PSM1 files).
Nearly all Pester documentation, though, references just thatscripts. People are slowly starting to see the benefit of creating tests for their PowerShell scripts. So it seems that the fullwidth ampersand was encoded as '＆' before it was passed to the normalize function which did indeed normalize the string making the ¼ become 1⁄4 which makes sense - but why did Pester cause '＆' to become '＆'? A Pester test can be broken down into a few main components a describe block and an it block. The robust unit-testing framework Pester has steadily been increasing in popularity. Expected strings to be the same, but they were different.
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