Sample solution script for running MStest tests

tests.psm1

function outputResults($resultsFile, $verbose)
{    
    $list = @()
    $xml = [xml](get-content $resultsFile)    
    $failures = $xml.TestRun.Results.UnitTestResult | where {$_.outcome -eq "Failed" } | select testId    
    if ($failures.Count -gt 0) 
    {
        foreach ($test in $failures) 
        {     
            $name = ""
            $failure = $xml.TestRun.TestDefinitions.UnitTest | where { $_.id -eq $test.testId } 
            if ($verbose)
            {
                $name = "." + $failure.TestMethod.name
            }
            $list += ($failure.TestMethod.className.split(',')[0] + $name)
        }
        if ($list.Count -gt 0)
        {
            $desc = "Classes"
            if ($verbose)
            {
                $desc = "Methods"
            }

            write-host "MSTest: Test $desc With Failures" -foregroundcolor red
            $list | sort-object | get-unique | write-host    
        }
    }      
    
    write-host "MSTest Run " -nonewline
    $summary = $xml.TestRun.ResultSummary.outcome
    $color = "green"
    if ($summary -eq "Failed")
    {
        $color = "red"
    }
    write-host $summary -foregroundcolor $color
    $total = $xml.TestRun.ResultSummary.Counters.total
    $passed = $xml.TestRun.ResultSummary.Counters.passed
    $failed = $xml.TestRun.ResultSummary.Counters.failed
    write-host "$total Total, $passed Pass, $failed Fail"
}

function getRandomDirectory()
{
    $randomDirName = [System.IO.Path]::GetRandomFileName()
    $tempPath = [System.IO.Path]::GetTempPath()
    $randomPath = Join-Path $tempPath $randomDirName
    if (!(test-path $randomPath))
    {        
        return $randomPath
    }
    return getRandomDirectory
}

function runtests([switch]$v)
{    
    $verbose = $v
    Write-host "Running tests... verbose is $verbose"
    #create temp dir
    $temp = getRandomDirectory
    md $temp | out-null   
    
    #store the pwd so we can return to it
    $origwd = $pwd
    sl $temp
    
    $mstest = Join-Path $env:VS100COMNTOOLS "..\IDE\mstest.exe" -Resolve
    $testDll = Join-Path $solutionScriptsContainer "..\UnitTests\bin\Debug\UnitTests.dll" -Resolve
    
    & $mstest /testcontainer:$testDll /resultsfile:results.trx | out-null
    
    $resultsFile = Join-Path $temp "results.trx"
    
    outputResults $resultsFile $verbose
        
    sl $origwd
    ri $temp -force -recurse | out-null
}


Export-ModuleMember -Function runtests