Tasks/Invoke-WhiskeyPester3Task.ps1
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function Invoke-WhiskeyPester3Task { [Whiskey.Task('Pester3',Platform='Windows')] [Whiskey.RequiresTool('PowerShellModule::Pester','PesterPath',Version='3.*',VersionParameterName='Version')] [CmdletBinding()] param( [Parameter(Mandatory=$true)] [Whiskey.Context] $TaskContext, [Parameter(Mandatory=$true)] [hashtable] $TaskParameter ) Set-StrictMode -Version 'Latest' Use-CallerPreference -Cmdlet $PSCmdlet -SessionState $ExecutionContext.SessionState if( -not ($TaskParameter.ContainsKey('Path'))) { Stop-WhiskeyTask -TaskContext $TaskContext -Message ('Element ''Path'' is mandatory. It should be one or more paths, which should be a list of Pester Tests to run with Pester3, e.g. Build: - Pester3: Path: - My.Tests.ps1 - Tests') return } $path = $TaskParameter['Path'] | Resolve-WhiskeyTaskPath -TaskContext $TaskContext -PropertyName 'Path' $outputFile = Join-Path -Path $TaskContext.OutputDirectory -ChildPath ('pester+{0}.xml' -f [IO.Path]::GetRandomFileName()) $outputFile = [IO.Path]::GetFullPath($outputFile) # We do this in the background so we can test this with Pester. $job = Start-Job -ScriptBlock { $script = $using:Path $pesterModulePath = $using:TaskParameter['PesterPath'] $outputFile = $using:outputFile Invoke-Command -ScriptBlock { $VerbosePreference = 'SilentlyContinue' Import-Module -Name $pesterModulePath } Invoke-Pester -Script $script -OutputFile $outputFile -OutputFormat NUnitXml -PassThru } # There's a bug where Write-Host output gets duplicated by Receive-Job if $InformationPreference is set to "Continue". # Since Pester uses Write-Host, this is a workaround to avoid seeing duplicate Pester output. $informationActionParameter = @{ } if( (Get-Command -Name 'Receive-Job' -ParameterName 'InformationAction') ) { $informationActionParameter['InformationAction'] = 'SilentlyContinue' } do { $job | Receive-Job @informationActionParameter } while( -not ($job | Wait-Job -Timeout 1) ) $job | Receive-Job @informationActionParameter Publish-WhiskeyPesterTestResult -Path $outputFile $result = [xml](Get-Content -Path $outputFile -Raw) if( -not $result ) { throw ('Unable to parse Pester output XML report ''{0}''.' -f $outputFile) } if( $result.'test-results'.errors -ne '0' -or $result.'test-results'.failures -ne '0' ) { throw ('Pester tests failed.') } } |