Tasks/Invoke-WhiskeyPester4Task.ps1
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function Invoke-WhiskeyPester4Task { [Whiskey.Task("Pester4",SupportsClean=$true, SupportsInitialize=$true)] [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( $TaskParameter.ContainsKey('Version') ) { $version = $TaskParameter['Version'] | ConvertTo-WhiskeySemanticVersion if( -not $version ) { Stop-WhiskeyTask -TaskContext $TaskContext -message ('Property ''Version'' isn''t a valid version number. It must be a version number of the form MAJOR.MINOR.PATCH.') } if( $version.Major -ne 4) { Stop-WhiskeyTask -TaskContext $TaskContext -Message ('Version property''s value ''{0}'' is invalid. It must start with ''4.'' (i.e. the major version number must always be ''4'')."' -f $version) } $version = [version]('{0}.{1}.{2}' -f $version.Major,$version.Minor,$version.Patch) } else { $version = '4.*' } if( $TaskContext.ShouldClean ) { Uninstall-WhiskeyTool -ModuleName 'Pester' -BuildRoot $TaskContext.BuildRoot -Version $version return } $pesterModulePath = Install-WhiskeyTool -DownloadRoot $TaskContext.BuildRoot -ModuleName 'Pester' -Version $version if( $TaskContext.ShouldInitialize ) { return } if( -not ($TaskParameter.ContainsKey('Path'))) { Stop-WhiskeyTask -TaskContext $TaskContext -Message ('Property "Path" is mandatory. It should be one or more paths, which should be a list of Pester test scripts (e.g. Invoke-WhiskeyPester4Task.Tests.ps1) or directories that contain Pester test scripts, e.g. Build: - Pester4: Path: - My.Tests.ps1 - Tests') } $path = $TaskParameter['Path'] | Resolve-WhiskeyTaskPath -TaskContext $TaskContext -PropertyName 'Path' if( $TaskParameter['Exclude'] ) { $path = $path | Where-Object { foreach( $exclusion in $TaskParameter['Exclude'] ) { if( $_ -like $exclusion ) { Write-WhiskeyVerbose -Context $TaskContext -Message ('EXCLUDE {0} -like {1}' -f $_,$exclusion) -Verbose return $false } else { Write-WhiskeyVerbose -Context $TaskContext -Message (' {0} -notlike {1}' -f $_,$exclusion) -Verbose } } return $true } if( -not $path ) { Stop-WhiskeyTask -TaskContext $TaskContext -Message ('Found no tests to run. Property "Exclude" matched all paths in the "Path" property. Please update your exclusion rules to include at least one test. View verbose output to see what exclusion filters excluded what test files.') } } if( -not $pesterModulePath ) { Stop-WhiskeyTask -TaskContext $TaskContext -Message ('Failed to download or install Pester {0}, most likely because version {0} does not exist. Available version numbers can be found at https://www.powershellgallery.com/packages/Pester' -f $version) } [int]$describeDurationCount = 0 $describeDurationCount = $TaskParameter['DescribeDurationReportCount'] [int]$itDurationCount = 0 $itDurationCount = $TaskParameter['ItDurationReportCount'] $outputFile = Join-Path -Path $TaskContext.OutputDirectory -ChildPath ('pester+{0}.xml' -f [IO.Path]::GetRandomFileName()) Write-WhiskeyVerbose -Context $TaskContext -Message $pesterModulePath Write-WhiskeyVerbose -Context $TaskContext -Message (' Script {0}' -f ($Path | Select-Object -First 1)) $Path | Select-Object -Skip 1 | ForEach-Object { Write-WhiskeyVerbose -Context $TaskContext -Message (' {0}' -f $_) } Write-Verbose -Message (' OutputFile {0}' -f $outputFile) # We do this in the background so we can test this with Pester. $job = Start-Job -ScriptBlock { $script = $using:Path $pesterModulePath = $using:pesterModulePath $outputFile = $using:outputFile [int]$describeCount = $using:describeDurationCount [int]$itCount = $using:itDurationCount Invoke-Command -ScriptBlock { $VerbosePreference = 'SilentlyContinue' Import-Module -Name $pesterModulePath } $result = Invoke-Pester -Script $script -OutputFile $outputFile -OutputFormat NUnitXml -PassThru $result.TestResult | Group-Object 'Describe' | ForEach-Object { $totalTime = [TimeSpan]::Zero $_.Group | ForEach-Object { $totalTime += $_.Time } [pscustomobject]@{ Describe = $_.Name; Duration = $totalTime } } | Sort-Object -Property 'Duration' -Descending | Select-Object -First $describeCount | Format-Table -AutoSize $result.TestResult | Sort-Object -Property 'Time' -Descending | Select-Object -First $itCount | Format-Table -AutoSize -Property 'Describe','Name','Time' } do { $job | Receive-Job } while( -not ($job | Wait-Job -Timeout 1) ) $job | Receive-Job 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.') } } |