Powershell Build and Run MSTests

RunTests.ps1

Clear
$testsFile = .\ArgsTests\bin\Debug\ArgsTests.dll

$resultsFile = 'testresults.txt'

function BuildSolution()
{
  Write-Host Building solution...
	& c:\windows\microsoft.net\framework\v4.0.30319\msbuild.exe 
}

function RunTests()
{
	$mstest = 'C:\Program Files (x86)\Microsoft Visual Studio 11.0\Common7\IDE\mstest.exe'

	if(test-path $resultsFile) { DEL $resultsFile }

	& $mstest /testcontainer:$testsFiles /detail:errormessage /resultsfile:$resultsFile
}

function ParseTestResults()
{
$results = [xml](GC $resultsFile)
$outcome = $results.TestRun.ResultSummary.outcome
$fgColor = if($outcome -eq "Failed") { "Red" } else { "Green" }

$total = $results.TestRun.ResultSummary.Counters.total
$passed = $results.TestRun.ResultSummary.Counters.passed
$failed = $results.TestRun.ResultSummary.Counters.failed

$failedTests = $results.TestRun.Results.UnitTestResult | Where-Object { $_.outcome -eq "Failed" }

Write-Host Test Results: $outcome -ForegroundColor $fgColor -BackgroundColor "Black"
Write-Host Total tests: $total
Write-Host Passed: $passed
Write-Host Failed: $failed
Write-Host

$failedTests | % { Write-Host Failed test: $_.testName
  Write-Host $_.Output.ErrorInfo.Message
  Write-Host $_.Output.ErrorInfo.StackTrace }

Write-Host
}

function ProcessFileChange()
{
	Clear
	BuildSolution
	RunTests
	ParseTestResults
}

function SetupFileWatcher()
{
  # Not using this right now because of the double fire of file change from visual studio.
  
	Write-Host Setting up file watcher

	$watcher = New-Object System.IO.FileSystemWatcher
	$watcher.Path = get-location
	$watcher.IncludeSubdirectories = $true
	$watcher.EnableRaisingEvents = $false
	$watcher.Filter = "*.cs"
	$watcher.NotifyFilter = [System.IO.NotifyFilters]::LastWrite

	$changed = Register-ObjectEvent $watcher "Changed"  -Action {
		$timer = new-object system.timers.timer
		$timer.interval = 500
		$timer.AutoReset = $false
		$timerElapsed = Register-ObjectEvent $timer "Elapsed" -Action { 
			Write-Host timer fire
			Unregister-Event $timerElapsed.id
		}		

		Write-Host "File change detected"
		Write-Host $Event.SourceEventArgs.Name			
		Write-Host $Event.SourceEventArgs.ChangeType
		Write-Host

		$timer.Enabled = $true
	}

	Write-Host "Watching solution for file changes"
	do {
		Start-Sleep -milliseconds 100
	} until ($Host.UI.RawUI.KeyAvailable)

	Unregister-Event $changed.Id
}

ProcessFileChange