Calling MSTest with Powershell

Question

I am trying to execute from powershell the Visual Studio's tool MSTest with no success:

$testDLL = "myTest.dll"
$mstestPath = "C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\mstest.exe"    
$arguments = " /testcontainer:" + $testDLL + " /test:UnitTest1"

Invoke-Expression "$mstestPath $arguments"

I get this error: "The term 'x86' is not recognized as the name of a cmdlet, function,..." Any idea? Thanks.

Edit:

Ok, the problem was solved using "&" instead "Invoke-Expression" and creating separated variables for each argument, it doesn't work for me just using both in one var:

$testDLL = "myTest.dll"
$mstestPath = "C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\mstest.exe"    
$argument1 = "/testcontainer:" + $testDLL
$argument2 = "/test:UnitTest1"

& $mstestPath $argument1

"C:\Program Files (x86)" has a space so add quotes to your string $mstestPath = '"C:\Program Files (x86)\...\IDE\mstest.exe"' — E.V.I.L.
– E.V.I.L., Commented Jun 4, 2013 at 17:39

jon Z · Accepted Answer · 2013-06-04 10:53:45Z

9

I'd recommend using the & operator in the case (see comment David Brabant).

However, if you must use Invoke-Expression you could convert $mstestPath to its shortpath equivalent.

$testDLL = "myTest.dll"
$fs = New-Object -ComObject Scripting.FileSystemObject
$f = $fs.GetFile("C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\mstest.exe")
$mstestPath = $f.shortpath   
$arguments = " /testcontainer:" + $testDLL + " /test:UnitTest1"
Invoke-Expression "$mstestPath $arguments"

answered Jun 4, 2013 at 10:53

jon Z

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2 Comments

John Demetriou Over a year ago

nice answer. Do you have any idea how to parse the results?

Jeremy Thompson Over a year ago

You export the results out to a trx file using the resultsfile switch: /resultsfile:c:\temp\tests.trx then you can parse the trx file: dbarrowstechblog.blogspot.com.au/2012/08/…'' or c-sharpcorner.com/UploadFile/e06010/read-trx-file-from-C-Sharp

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