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POHow to do TDD and unit testing in powershell?
 

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  1. POHow to do TDD and unit testing in powershell?
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    <p>With MS ramming powershell into all new server products, I'm starting to (reluctantly) think I need to take it seriously. Part of "taking it seriously" is TDD. Have you found good methods to unit test power shell scripts? </p> <p>I've found samples of mocking from <a href="http://www.peterprovost.org/blog/post/TDD-with-PowerShell-Mocking-Things.aspx" rel="nofollow noreferrer">Mr Geek Noise</a> - but I'd really like something like <a href="http://ayende.com/projects/rhino-mocks.aspx" rel="nofollow noreferrer">RhinoMocks</a>. <a href="http://blog.brianhartsock.com/2009/03/27/tdd-with-powershell-from-the-client-perspective/" rel="nofollow noreferrer">Brian Hartsock</a> has a sample of running tests on powershell strings from MS Test. A little hacky, but it seems to work. </p> <p>What I want is a Powershell TDD experience that is as clean as it is in "real" languages. </p> <hr> <p><strong>Update to clarify:</strong></p> <p>The first two answers attempt to steer me away from testing Powershell. The opinions are interesting. I don't want to know if it's a good idea to test in powershell. That's a subjective question that should be asked in a different forum. I want a solution to unit testing powershell. If you think it's a bad idea (it might be), treat it as a fun academic question.</p> <ul> <li>Yes, scripting languages glue together disparate systems. However, as already pointed out, it's also easy to mock and break seams in a dynamic language. </li> <li>I'm not asking about "debugging". Debugging is an extremely useful topic. I'll let someone else ask it. </li> <li>Maybe PS scripts should be simple. The language supports modularity and it is inevitable that complex processes will be implemented in PS (even if a bad idea). </li> <li>The answer to this question is not "You can't". I can see (from linked blogs - which are a little old) that some people have made headway on the problem. </li> </ul> <p>To re-state: <strong>How do you implement an automated testing of Powershell logic in the style of xUnit?</strong> Integration tests are interesting, unit tests that break dependencies most interesting. </p>
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    1. COlook at http://stackoverflow.com/questions/1004424/is-there-a-unit-testing-framework-for-testing-powershell-with-powershell-scripts there is a similar question with some links (PSUnit and Lee Holmes post)
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    2. CONever take Powershell lightly. It is incredibly powerful with minimal code.
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