Describe "Measure-Command" { Context "Validate return types for Measure-Command" { It "Should return TimeSpan as the return type" { (Measure-Command { Get-Date }).GetType() | Should Be timespan } } Context "Validate that it is executing commands correctly" { It "Should return TimeSpan after executing a script" { (Measure-Command { echo hi }).GetType() | Should Be timespan } It "Should return TimeSpan after executing a cmdlet" { $pesterscript = Join-Path -Path (Join-Path -Path $PSScriptRoot -ChildPath assets) -ChildPath echoscript.ps1 $testfile = $pesterscript $testcommand = "echo pestertestscript" $testcommand | Add-Content -Path $testfile (Measure-Command { $pesterscript }).GetType() | Should Be timespan Remove-Item $testfile } } }