Sample PowerShell build script to build C# code

Build.ps1

Param
(
  [string]$build = "Debug"
  ,
  [switch]$test = $true
)

$msBuildPath = 'C:\Program Files (x86)\MSBuild\12.0\Bin\MSBuild';
$msTestPath = 'C:\Program Files (x86)\Microsoft Visual Studio 12.0\Common7\IDE\';

$testResults = "TestResults.trx";

$env:Path = $env:Path + ";" + $msTestPath;

nuget restore .\src\ArbitrarySolution.sln -MSBuildVersion 12;
& $msBuildPath src\ArbitrarySolution.sln /property:Configuration=$build;

if ($test) 
{
	Write "Execute unit tests";

	if (Test-Path $testResults)
	{
		rm $testResults;
	}
	MSTest.exe /testcontainer:.\src\ArbitrarySolution.Project1.Tests\bin\Debug\ArbitrarySolution.Project1.Tests.dll /testcontainer:.\src\ArbitrarySolution.Project2.Tests\bin\Debug\ArbitrarySolution.Project2.Tests.dll /resultsfile:$testResults;
}