tasks/Invoke-Pester.pester.build.ps1
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param ( # Project path [Parameter()] [System.String] $ProjectPath = (property ProjectPath $BuildRoot), [Parameter()] # Base directory of all output (default to 'output') [System.String] $OutputDirectory = (property OutputDirectory (Join-Path $BuildRoot 'output')), [Parameter()] [System.String] $BuiltModuleSubdirectory = (property BuiltModuleSubdirectory ''), [Parameter()] [System.Management.Automation.SwitchParameter] $VersionedOutputDirectory = (property VersionedOutputDirectory $true), [Parameter()] [System.String] $ProjectName = (property ProjectName ''), [Parameter()] [System.String] $PesterOutputFolder = (property PesterOutputFolder 'testResults'), [Parameter()] [System.String] $PesterOutputFormat = (property PesterOutputFormat ''), [Parameter()] [System.Object[]] $PesterScript = (property PesterScript ''), [Parameter()] [System.String[]] $PesterTag = (property PesterTag @()), [Parameter()] [System.String[]] $PesterExcludeTag = (property PesterExcludeTag @()), [Parameter()] [System.String] $CodeCoverageThreshold = (property CodeCoverageThreshold ''), # Build Configuration object [Parameter()] [System.Collections.Hashtable] $BuildInfo = (property BuildInfo @{ }) ) task Import_Pester { # This will import the Pester version in the first module folder it finds which will be '/output/RequiredModules'? Import-Module -Name 'Pester' -MinimumVersion 4.0 -ErrorAction Stop } <# Synopsis: Making sure the Module meets some quality standard (help, tests) using Pester 4. #> task Invoke_Pester_Tests_v4 { <# This will evaluate the version of Pester that has been imported into the session is v4.x.x. This is not using task conditioning `-If` because Invoke-Build is evaluate the task conditions before it runs any task which means task Import_Pester have not had a chance to import the module into the session. Also having this evaluation as a task condition will also slow down other tasks noticeable. #> $modulePester = Get-Module -Name 'Pester' | Where-Object -FilterScript { $_.Version -ge [System.Version] '4.0.0' -and $_.Version -lt [System.Version] '5.0.0' } # If the correct module is not imported, then exit. if (-not $modulePester) { "Pester 4 is not used in the pipeline, skipping task.`n" return } # Get the vales for task variables, see https://github.com/gaelcolas/Sampler#task-variables. . Set-SamplerTaskVariable $PesterOutputFolder = Get-SamplerAbsolutePath -Path $PesterOutputFolder -RelativeTo $OutputDirectory "`tPester Output Folder = '$PesterOutputFolder" if (-not (Test-Path -Path $PesterOutputFolder)) { Write-Build -Color 'Yellow' -Text "Creating folder $PesterOutputFolder" $null = New-Item -Path $PesterOutputFolder -ItemType 'Directory' -Force -ErrorAction 'Stop' } $GetCodeCoverageThresholdParameters = @{ RuntimeCodeCoverageThreshold = $CodeCoverageThreshold BuildInfo = $BuildInfo } $CodeCoverageThreshold = Get-CodeCoverageThreshold @GetCodeCoverageThresholdParameters # Initialize default parameters $defaultPesterParameters = @{ PassThru = $true } $defaultScriptPaths = @( 'tests', (Join-Path -Path $ProjectName -ChildPath 'tests') ) $defaultPesterParameters['Script'] = $defaultScriptPaths $defaultPesterParameters['CodeCoverageOutputFileFormat'] = 'JaCoCo' $defaultPesterParameters['OutputFormat'] = 'NUnitXML' $DefaultExcludeFromCodeCoverage = @('test') $pesterCmd = Get-Command -Name 'Invoke-Pester' <# This will build the Pester* variables (e.g. PesterScript, or PesterOutputFormat) in this scope that are used in the rest of the code. It will use values for the variables in the following order: 1. Skip creating the variable if a variable is already available because it was already set in a passed parameter (Pester*). 2. Use the value from a property in the build.yaml under the key 'Pester:'. 3. Use the default value set previously in the variable $defaultPesterParameters. #> foreach ($paramName in $pesterCmd.Parameters.Keys) { $taskParamName = "Pester$paramName" $pesterBuildConfig = $BuildInfo.Pester # Skip if a value was passed as a parameter. if (-not (Get-Variable -Name $taskParamName -ValueOnly -ErrorAction 'SilentlyContinue') -and ($pesterBuildConfig)) { $paramValue = $pesterBuildConfig.($paramName) # The Variable is set to '' so we should try to use the Config'd one if exists if ($paramValue) { Write-Build -Color 'DarkGray' -Text "Using $taskParamName from Build Config" Set-Variable -Name $taskParamName -Value $paramValue } # or use a default if available elseif ($defaultPesterParameters.ContainsKey($paramName)) { Write-Build -Color 'DarkGray' -Text "Using $taskParamName from Defaults" Set-Variable -Name $taskParamName -Value $defaultPesterParameters.($paramName) } } else { Write-Build -Color 'DarkGray' -Text "Using $taskParamName from Build Invocation Parameters" } } $pesterBuildConfig = $BuildInfo.Pester # Code Coverage Exclude if (-not $ExcludeFromCodeCoverage -and ($pesterBuildConfig)) { if ($pesterBuildConfig.ContainsKey('ExcludeFromCodeCoverage')) { $ExcludeFromCodeCoverage = $pesterBuildConfig['ExcludeFromCodeCoverage'] } else { $ExcludeFromCodeCoverage = $DefaultExcludeFromCodeCoverage } } "`tProject Path = $ProjectPath" "`tProject Name = $ProjectName" "`tTest Scripts = $($PesterScript -join ', ')" "`tTags = $($PesterTag -join ', ')" "`tExclude Tags = $($PesterExcludeTag -join ', ')" "`tExclude Cov. = $($ExcludeFromCodeCoverage -join ', ')" "`tModuleVersion = $ModuleVersion" $osShortName = Get-OperatingSystemShortName $powerShellVersion = 'PSv.{0}' -f $PSVersionTable.PSVersion $getPesterOutputFileFileNameParameters = @{ ProjectName = $ProjectName ModuleVersion = $ModuleVersion OsShortName = $osShortName PowerShellVersion = $powerShellVersion } $pesterOutputFileFileName = Get-PesterOutputFileFileName @getPesterOutputFileFileNameParameters $pesterOutputFullPath = Join-Path -Path $PesterOutputFolder -ChildPath "$($PesterOutputFormat)_$pesterOutputFileFileName" $moduleUnderTest = Import-Module -Name $ProjectName -PassThru $PesterCodeCoverage = (Get-ChildItem -Path $moduleUnderTest.ModuleBase -Include @('*.psm1', '*.ps1') -Recurse).Where{ $result = $true foreach ($excludePath in $ExcludeFromCodeCoverage) { if (-not (Split-Path -IsAbsolute $excludePath)) { $excludePath = Join-Path -Path $moduleUnderTest.ModuleBase -ChildPath $excludePath } if ($_.FullName -match ([regex]::Escape($excludePath))) { $result = $false } } $result } $pesterParams = @{ PassThru = $true } $pesterParams['OutputFormat'] = $PesterOutputFormat $pesterParams['OutputFile'] = $pesterOutputFullPath $getCodeCoverageOutputFile = @{ BuildInfo = $BuildInfo PesterOutputFolder = $PesterOutputFolder } $CodeCoverageOutputFile = Get-SamplerCodeCoverageOutputFile @getCodeCoverageOutputFile if (-not $CodeCoverageOutputFile) { $CodeCoverageOutputFile = (Join-Path -Path $PesterOutputFolder -ChildPath "CodeCov_$pesterOutputFileFileName") } if ($codeCoverageThreshold -gt 0) { $pesterParams.Add('CodeCoverage', $PesterCodeCoverage) $pesterParams.Add('CodeCoverageOutputFile', $CodeCoverageOutputFile) $pesterParams.Add('CodeCoverageOutputFileFormat', $PesterCodeCoverageOutputFileFormat) } "`t" "`tCodeCoverage = $($pesterParams['CodeCoverage'])" "`tCodeCoverageOutputFile = $($pesterParams['CodeCoverageOutputFile'])" "`tCodeCoverageOutputFileFormat = $($pesterParams['CodeCoverageOutputFileFormat'])" $codeCoverageOutputFileEncoding = Get-SamplerCodeCoverageOutputFileEncoding -BuildInfo $BuildInfo if ($codeCoverageThreshold -gt 0 -and $codeCoverageOutputFileEncoding) { $pesterParams.Add('CodeCoverageOutputFileEncoding', $codeCoverageOutputFileEncoding) } "`tCodeCoverageOutputFileEncoding = $($pesterParams['CodeCoverageOutputFileEncoding'])" if ($PesterExcludeTag.Count -gt 0) { $pesterParams.Add('ExcludeTag', $PesterExcludeTag) } if ($PesterTag.Count -gt 0) { $pesterParams.Add('Tag', $PesterTag) } # Test folders is specified, do not run invoke-pester against $BuildRoot if ($PesterScript.Count -gt 0) { $pesterParams.Add('Script', @()) Write-Build -Color 'DarkGray' -Text " Adding PesterScript to params" <# Assuming that if the first item in the PesterScript array is of a certain type, all other items will be of the same type. #> switch ($PesterScript[0]) { { $_ -is [System.String] } { foreach ($testFolder in $PesterScript) { if (-not (Split-Path -IsAbsolute $testFolder)) { $testFolder = Join-Path -Path $ProjectPath -ChildPath $testFolder } Write-Build -Color 'DarkGray' -Text " ... $testFolder" # The Absolute path to this folder exists, adding to the list of pester scripts to run if (Test-Path -Path $testFolder) { $pesterParams.Script += $testFolder } } } { $_ -is [System.Collections.Hashtable] } { foreach ($scriptItem in $PesterScript) { Write-Build -Color 'DarkGray' -Text " ... $(Convert-HashtableToString -Hashtable $scriptItem)" $pesterParams.Script += $scriptItem } } } } # Add all Pester* variables in current scope into the $pesterParams hashtable. foreach ($paramName in $pesterCmd.Parameters.keys) { $paramValueFromScope = (Get-Variable -Name "Pester$paramName" -ValueOnly -ErrorAction 'SilentlyContinue') if (-not $pesterParams.ContainsKey($paramName) -and $paramValueFromScope) { $pesterParams.Add($paramName, $paramValueFromScope) } } if ($codeCoverageThreshold -eq 0 -or (-not $codeCoverageThreshold)) { Write-Build -Color 'DarkGray' -Text "Removing Code Coverage parameters" foreach ($CodeCovParam in $pesterParams.Keys.Where{ $_ -like 'CodeCov*' }) { $pesterParams.Remove($CodeCovParam) } } $script:TestResults = Invoke-Pester @pesterParams $PesterResultObjectCliXml = Join-Path -Path $PesterOutputFolder -ChildPath "PesterObject_$pesterOutputFileFileName" $null = $script:TestResults | Export-Clixml -Path $PesterResultObjectCliXml -Force } # Synopsis: This task ensures the build job fails if the test aren't successful. task Fail_Build_If_Pester_Tests_Failed { "Asserting that no test failed" "" # Get the vales for task variables, see https://github.com/gaelcolas/Sampler#task-variables. . Set-SamplerTaskVariable $PesterOutputFolder = Get-SamplerAbsolutePath -Path $PesterOutputFolder -RelativeTo $OutputDirectory "`tPester Output Folder = '$PesterOutputFolder'" $osShortName = Get-OperatingSystemShortName $GetCodeCoverageThresholdParameters = @{ RuntimeCodeCoverageThreshold = $CodeCoverageThreshold BuildInfo = $BuildInfo } $CodeCoverageThreshold = Get-CodeCoverageThreshold @GetCodeCoverageThresholdParameters "`tCode Coverage Threshold = '$CodeCoverageThreshold'" $powerShellVersion = 'PSv.{0}' -f $PSVersionTable.PSVersion $getPesterOutputFileFileNameParameters = @{ ProjectName = $ProjectName ModuleVersion = $ModuleVersion OsShortName = $osShortName PowerShellVersion = $powerShellVersion } $PesterOutputFileFileName = Get-PesterOutputFileFileName @getPesterOutputFileFileNameParameters $PesterResultObjectClixml = Join-Path -Path $PesterOutputFolder -ChildPath "PesterObject_$PesterOutputFileFileName" Write-Build -Color 'White' -Text "`tPester Output Object = $PesterResultObjectClixml" if (-not (Test-Path -Path $PesterResultObjectClixml)) { if ($CodeCoverageThreshold -eq 0) { Write-Build -Color 'Green' -Text "Pester run and Coverage bypassed. No Pester output found but allowed." return } else { throw "No command were tested. Threshold of $CodeCoverageThreshold % not met" } } else { $pesterObject = Import-Clixml -Path $PesterResultObjectClixml -ErrorAction 'Stop' Assert-Build -Condition ($pesterObject.FailedCount -eq 0) -Message ('Failed {0} tests. Aborting Build' -f $pesterObject.FailedCount) } } <# Synopsis: Making sure the Module meets some quality standard (help, tests) using Pester 5. #> task Invoke_Pester_Tests_v5 { <# This will evaluate the version of Pester that has been imported into the session is v5.0.0 or higher. This is not using task conditioning `-If` because Invoke-Build is evaluate the task conditions before it runs any task which means task Import_Pester have not had a chance to import the module into the session. Also having this evaluation as a task condition will also slow down other tasks noticeable. #> $isWrongPesterVersion = (Get-Module -Name 'Pester').Version -lt [System.Version] '5.0.0' # If the correct module is not imported, then exit. if ($isWrongPesterVersion) { "Pester 5 is not used in the pipeline, skipping task.`n" return } # Get the vales for task variables, see https://github.com/gaelcolas/Sampler#task-variables. . Set-SamplerTaskVariable $PesterOutputFolder = Get-SamplerAbsolutePath -Path $PesterOutputFolder -RelativeTo $OutputDirectory "`tPester Output Folder = '$PesterOutputFolder" if (-not (Test-Path -Path $PesterOutputFolder)) { Write-Build -Color 'Yellow' -Text "Creating folder $PesterOutputFolder" $null = New-Item -Path $PesterOutputFolder -ItemType 'Directory' -Force -ErrorAction 'Stop' } $osShortName = Get-OperatingSystemShortName $powerShellVersion = 'PSv.{0}' -f $PSVersionTable.PSVersion $getPesterOutputFileFileNameParameters = @{ ProjectName = $ProjectName ModuleVersion = $ModuleVersion OsShortName = $osShortName PowerShellVersion = $powerShellVersion } $pesterOutputFileFileName = Get-PesterOutputFileFileName @getPesterOutputFileFileNameParameters $pesterOutputFullPath = Get-SamplerAbsolutePath -Path "$($PesterOutputFormat)_$pesterOutputFileFileName" -RelativeTo $PesterOutputFolder #region Handle deprecated Pester build configuration if ($BuildInfo.Pester -and -not $BuildInfo.Pester.Configuration) { if ($BuildInfo.Pester.Path.Count -ge 1) { $deprecatedBuildConfigPath = "- " + ($BuildInfo.Pester.Path -join "`n - ") } if ($BuildInfo.Pester.Tag.Count -ge 1) { $deprecatedBuildConfigTag = "- " + ($BuildInfo.Pester.Tag -join "`n - ") } if ($BuildInfo.Pester.ExcludeTag.Count -ge 1) { $deprecatedBuildConfigExcludeTag = "- " + ($BuildInfo.Pester.ExcludeTag -join "`n - ") } if ($BuildInfo.Pester.ExcludeFromCodeCoverage.Count -ge 1) { $buildConfigExcludeFromCodeCoverage = "- " + ($BuildInfo.Pester.ExcludeFromCodeCoverage -join "`n - ") } Write-Build -Color 'DarkGray' -Text @" ------------------------------------------------------------------------------------- Consider updating the build configuration to the new advanced configuration options: ------------------------------------------------------------------------------------- # PESTER CONFIG START Pester: # Pester Advanced configuration. # If a key is not set it will be using Sampler pipeline default value. Configuration: Run: Path: $($deprecatedBuildConfigPath) ExcludePath: Filter: Tag: $($deprecatedBuildConfigTag) ExcludeTag: $($deprecatedBuildConfigExcludeTag) Output: Verbosity: CodeCoverage: Path: OutputFormat: CoveragePercentTarget: $($BuildInfo.Pester.CodeCoverageThreshold) OutputPath: $($BuildInfo.Pester.CodeCoverageOutputFile) OutputEncoding: $($BuildInfo.Pester.CodeCoverageOutputFileEncoding) ExcludeTests: TestResult: OutputFormat: $($BuildInfo.Pester.OutputFormat) OutputPath: OutputEncoding: TestSuiteName: # Sampler pipeline configuration ExcludeFromCodeCoverage: $($buildConfigExcludeFromCodeCoverage) # PESTER CONFIG END ------------------------------------------------------------------------------------- "@ } # Set $CodeCoverageOutputFile from deprecated Pester build configuration. if ($BuildInfo.Pester.CodeCoverageOutputFile) { $CodeCoverageOutputFile = $BuildInfo.Pester.CodeCoverageOutputFile Write-Build -Color 'DarkGray' -Text "Using deprecated build configuration for CodeCoverageOutputFile as a invocation task parameter." } # Set $CodeCoverageOutputFileEncoding from deprecated Pester build configuration. if ($BuildInfo.Pester.CodeCoverageOutputFileEncoding) { $CodeCoverageOutputFileEncoding = $BuildInfo.Pester.CodeCoverageOutputFileEncoding Write-Build -Color 'DarkGray' -Text "Using deprecated build configuration for CodeCoverageOutputFileEncoding as a invocation task parameter." } <# Set $PesterOutputFormat from deprecated Pester build configuration, unless it was provided by the task parameter. #> if ([System.String]::IsNullOrEmpty($PesterOutputFormat) -and $BuildInfo.Pester.OutputFormat) { $PesterOutputFormat = $BuildInfo.Pester.OutputFormat Write-Build -Color 'DarkGray' -Text "Using deprecated build configuration for OutputFormat as a invocation task parameter." } <# Set $CodeCoverageThreshold from deprecated Pester build configuration, unless it was provided by the task parameter. #> if ([System.String]::IsNullOrEmpty($CodeCoverageThreshold) -and $BuildInfo.Pester.CodeCoverageThreshold) { $CodeCoverageThreshold = $BuildInfo.Pester.CodeCoverageThreshold Write-Build -Color 'DarkGray' -Text "Using deprecated build configuration for CodeCoverageThreshold as a invocation task parameter." } <# Set $PesterScript from deprecated Pester build configuration, unless it was provided by the task parameter. #> if ([System.String]::IsNullOrEmpty($PesterScript) -and $BuildInfo.Pester.Path) { $PesterScript = [System.Object[]] @($BuildInfo.Pester.Path) Write-Build -Color 'DarkGray' -Text "Using deprecated build configuration for Path as a invocation task parameter." } <# Set $PesterTag from deprecated Pester build configuration, unless it was provided by the task parameter. #> if ([System.String]::IsNullOrEmpty($PesterTag) -and $BuildInfo.Pester.Tag) { $PesterTag = [System.String[]] @($BuildInfo.Pester.Tag) Write-Build -Color 'DarkGray' -Text "Using deprecated build configuration for Tag as a invocation task parameter." } <# Set $PesterExcludeTag from deprecated Pester build configuration, unless it was provided by the task parameter. #> if ([System.String]::IsNullOrEmpty($PesterExcludeTag) -and $BuildInfo.Pester.ExcludeTag) { $PesterExcludeTag = [System.String[]] @($BuildInfo.Pester.ExcludeTag) Write-Build -Color 'DarkGray' -Text "Using deprecated build configuration for ExcludeTag as a invocation task parameter." } #endregion Handle deprecated Pester build configuration #region Move values of task parameters to new Pester 5 variable names $PesterConfigurationTestResultOutputFormat = $PesterOutputFormat $PesterConfigurationRunPath = $PesterScript $PesterConfigurationFilterTag = $PesterTag $PesterConfigurationFilterExcludeTag = $PesterExcludeTag $PesterConfigurationCodeCoverageCoveragePercentTarget = $CodeCoverageThreshold $PesterConfigurationCodeCoverageOutputPath = $CodeCoverageOutputFile $PesterConfigurationCodeCoverageOutputEncoding = $CodeCoverageOutputFileEncoding #endregion Move values of task parameters to new Pester 5 variable names #region Set default Pester configuration. $defaultPesterParameters = @{ Configuration = [pesterConfiguration]::Default } $defaultPesterParameters.Configuration.Run.PassThru = $true $defaultPesterParameters.Configuration.Run.Path = @() # Test script path is added later $defaultPesterParameters.Configuration.Run.ExcludePath = @() $defaultPesterParameters.Configuration.Output.Verbosity = 'Detailed' $defaultPesterParameters.Configuration.Filter.Tag = @() $defaultPesterParameters.Configuration.Filter.ExcludeTag = @() $defaultPesterParameters.Configuration.CodeCoverage.Enabled = $true $defaultPesterParameters.Configuration.CodeCoverage.Path = @() # Coverage path is added later $defaultPesterParameters.Configuration.CodeCoverage.OutputFormat = 'JaCoCo' $defaultPesterParameters.Configuration.CodeCoverage.CoveragePercentTarget = 80 $defaultPesterParameters.Configuration.CodeCoverage.OutputPath = Join-Path -Path $PesterOutputFolder -ChildPath "CodeCov_$pesterOutputFileFileName" $defaultPesterParameters.Configuration.CodeCoverage.OutputEncoding = 'UTF8' $defaultPesterParameters.Configuration.CodeCoverage.ExcludeTests = $true # Exclude our own test code from code coverage. $defaultPesterParameters.Configuration.TestResult.Enabled = $true $defaultPesterParameters.Configuration.TestResult.OutputFormat = 'NUnitXml' $defaultPesterParameters.Configuration.TestResult.OutputPath = $pesterOutputFullPath $defaultPesterParameters.Configuration.TestResult.OutputEncoding = 'UTF8' $defaultPesterParameters.Configuration.TestResult.TestSuiteName = $ProjectName #endregion Set default Pester configuration. $pesterParameters = $defaultPesterParameters.Clone() #region Read Pester build configuration # Add empty line to output. "" if ($BuildInfo.Pester) { $pesterConfigurationSectionNames = ($pesterParameters.Configuration | Get-Member -Type 'Properties').Name foreach ($sectionName in $pesterConfigurationSectionNames) { $propertyNames = ($pesterParameters.Configuration.$sectionName | Get-Member -Type 'Properties').Name <# This will build the PesterConfiguration<sectionName><parameterName> variables (e.g. PesterConfigurationRunPath) in this scope that are used in the rest of the code. It will use values for the variables in the following order: 1. Skip creating the variable if a variable is already available because it was already set in a passed parameter (e.g. PesterConfigurationRunPath). 2. Use the value from a property in the build.yaml under the key 'Pester:'. #> foreach ($propertyName in $propertyNames) { $taskParameterName = 'PesterConfiguration{0}{1}' -f $sectionName, $propertyName $taskParameterValue = Get-Variable -Name $taskParameterName -ValueOnly -ErrorAction 'SilentlyContinue' if ([System.String]::IsNullOrEmpty($taskParameterValue)) { if (-not [System.String]::IsNullOrEmpty($BuildInfo.Pester.Configuration.$sectionName.$propertyName)) { $taskParameterValue = $BuildInfo.Pester.Configuration.$sectionName.$propertyName if (-not [System.String]::IsNullOrEmpty($taskParameterValue)) { # Use the value from build.yaml. Write-Build -Color 'DarkGray' -Text "Using $taskParameterName from build configuration." Set-Variable -Name $taskParameterName -Value $taskParameterValue } } } else { Write-Build -Color 'DarkGray' -Text "Using $taskParameterName from build invocation task parameter." } # Set the value in the pester configuration object if it was available. if (-not [System.String]::IsNullOrEmpty($taskParameterValue)) { <# Force conversion from build configuration types to correct Pester type to avoid exceptions like: ERROR: Exception setting "ExcludeTag": "Cannot convert the "System.Collections.Generic.List`1[System.Object]" value of type "System.Collections.Generic.List`1[[System.Object, System.Private.CoreLib, Version=5.0.0.0, Culture=neutral, PublicKeyToken=7cec85d7bea7798e]]" to type "Pester.StringArrayOption"." #> $pesterConfigurationValue = switch ($pesterParameters.Configuration.$sectionName.$propertyName) { {$_ -is [Pester.StringArrayOption]} { [Pester.StringArrayOption] @($taskParameterValue) } {$_ -is [Pester.StringOption]} { [Pester.StringOption] $taskParameterValue } {$_ -is [Pester.BoolOption]} { [Pester.BoolOption] $taskParameterValue } {$_ -is [Pester.DecimalOption]} { <# The type [Pester.DecimalOption] cannot convert directly from string. Depending where the value come from, this will convert the $taskParameterValue from string to [System.Decimal], then convert it to [Pester.DecimalOption]. An example is if the task parameter $CodeCoverageThreshold is passed on the command line. #> [Pester.DecimalOption] [System.Decimal] $taskParameterValue } Default { <# Set the value without conversion so that new types that are not supported can be catched. #> $pesterConfigurationValue = $taskParameterValue } } <# If the conversion above is not made above this will fail, for example this row will fail if there is a new type that is not handle above. #> $pesterParameters.Configuration.$sectionName.$propertyName = $pesterConfigurationValue } } } } # Set $ExcludeFromCodeCoverage from Pester build configuration. $ExcludeFromCodeCoverage = [System.String[]] @($BuildInfo.Pester.ExcludeFromCodeCoverage) <# Make sure paths are absolut paths, except for Test Scripts and Code Coverage paths, those are handle further down. #> if ($PesterConfigurationCodeCoverageOutputPath) { $PesterConfigurationCodeCoverageOutputPath = Get-SamplerAbsolutePath -Path $PesterConfigurationCodeCoverageOutputPath -RelativeTo $PesterOutputFolder $pesterParameters.Configuration.CodeCoverage.OutputPath = $PesterConfigurationCodeCoverageOutputPath } if ($PesterConfigurationTestResultOutputPath) { $PesterConfigurationTestResultOutputPath = Get-SamplerAbsolutePath -Path $PesterConfigurationTestResultOutputPath -RelativeTo $PesterOutputFolder $pesterParameters.Configuration.TestResult.OutputPath = $PesterConfigurationTestResultOutputPath } # Add empty line to output "" #endregion Read Pester build configuration "`tPester Exclude Path = $($pesterParameters.Configuration.Run.ExcludePath.Value -join ', ')" "`tPester Exclude Tags = $($pesterParameters.Configuration.Filter.ExcludeTag.Value -join ', ')" "`tPester Tags = $($pesterParameters.Configuration.Filter.Tag.Value -join ', ')" "`tPester Verbosity = $($pesterParameters.Configuration.Output.Verbosity.Value)" # Import the module that should be tested. $moduleUnderTest = Import-Module -Name $ProjectName -PassThru # Disable code coverage if threshold is set to 0 or not set at all. if ($PesterConfigurationCodeCoverageCoveragePercentTarget -eq 0 -or -not $PesterConfigurationCodeCoverageCoveragePercentTarget) { $pesterParameters.Configuration.CodeCoverage.Enabled = $false Write-Build -Color 'DarkGray' -Text "Disabling Code Coverage." } else { # If there is no code coverage path yet, use default - all .psm1 and .ps1 in built module root. if (-not $pesterParameters.Configuration.CodeCoverage.Path.Value) { $defaultCodeCoveragePaths = (Get-ChildItem -Path $moduleUnderTest.ModuleBase -Include @('*.psm1', '*.ps1') -Recurse).Where{ $result = $true foreach ($excludePath in $ExcludeFromCodeCoverage) { if (-not (Split-Path -IsAbsolute $excludePath)) { $excludePath = Join-Path -Path $moduleUnderTest.ModuleBase -ChildPath $excludePath } if ($_.FullName -match ([regex]::Escape($excludePath))) { $result = $false } } $result } $pesterParameters.Configuration.CodeCoverage.Path = @($defaultCodeCoveragePaths.FullName) } "" "`tPester Code Coverage Source Path = $($pesterParameters.Configuration.CodeCoverage.Path.Value -join ', ')" "`tPester Exclude Code Coverage Path = $($ExcludeFromCodeCoverage -join ', ')" "`tPester Exclude Tests Source Path = $($pesterParameters.Configuration.CodeCoverage.ExcludeTests.Value)" "`tPester Code Coverage Output Path = $($pesterParameters.Configuration.CodeCoverage.OutputPath.Value)" "`tPester Code Coverage Output Format = $($pesterParameters.Configuration.CodeCoverage.OutputFormat.Value)" "`tPester Code Coverage Output Encoding = $($pesterParameters.Configuration.CodeCoverage.OutputEncoding.Value)" "`tPester Code Coverage Percent Threshold = $($pesterParameters.Configuration.CodeCoverage.CoveragePercentTarget.Value)" } if ($pesterParameters.Configuration.TestResult.Enabled.Value) { "" "`tPester Test Result Test Suite Name = $($pesterParameters.Configuration.TestResult.TestSuiteName.Value)" "`tPester Test Result Output Path = $($pesterParameters.Configuration.TestResult.OutputPath.Value)" "`tPester Test Result Output Format = $($pesterParameters.Configuration.TestResult.OutputFormat.Value)" "`tPester Test Result Output Encoding = $($pesterParameters.Configuration.TestResult.OutputEncoding.Value)" "`tPester Test Result Percent Threshold = $($pesterParameters.Configuration.CodeCoverage.CoveragePercentTarget.Value)" } else { Write-Build -Color 'DarkGray' -Text "Disabling Test Results." } <# TODO: Support test scripts that requires parameters. Those scripts need to be added as a PesterContainer (for each path). Code below need to handle this in the future. #> # Evaluate if there is any test script provided from task parameter or build config. if ([System.String]::IsNullOrEmpty($PesterConfigurationRunPath)) { # Use the default, search project path recursively for tests. $pesterParameters.Configuration.Run.Path = @( Join-Path -Path $ProjectPath -ChildPath 'tests' Join-Path -Path $ProjectPath -ChildPath 'Tests' ) } else { # Specific test folders are specified. $pesterParameters.Configuration.Run.Path = @() foreach ($testFolder in $PesterConfigurationRunPath) { if (-not (Split-Path -IsAbsolute $testFolder)) { $testFolder = Join-Path -Path $ProjectPath -ChildPath $testFolder } # The absolute path to this folder exists, adding to the list of pester scripts to run if (Test-Path -Path $testFolder) { $pesterParameters.Configuration.Run.Path.Value += $testFolder } } } "" "`tPester Test Scripts = $($pesterParameters.Configuration.Run.Path.Value -join ', ')" $script:TestResults = Invoke-Pester @pesterParameters $PesterResultObjectCliXml = Join-Path -Path $PesterOutputFolder -ChildPath "PesterObject_$pesterOutputFileFileName" $null = $script:TestResults | Export-Clixml -Depth 5 -Path $PesterResultObjectCliXml -Force } # Synopsis: Fails the build if the code coverage is under predefined threshold. task Pester_If_Code_Coverage_Under_Threshold { $GetCodeCoverageThresholdParameters = @{ RuntimeCodeCoverageThreshold = $CodeCoverageThreshold BuildInfo = $BuildInfo } $CodeCoverageThreshold = Get-CodeCoverageThreshold @GetCodeCoverageThresholdParameters if (-not $CodeCoverageThreshold) { $CodeCoverageThreshold = 0 } if ($CodeCoverageThreshold -eq 0) { Write-Build -Color 'DarkGray' -Text 'Code Coverage has been disabled, skipping task.' return } # Get the vales for task variables, see https://github.com/gaelcolas/Sampler#task-variables. . Set-SamplerTaskVariable "`tCode Coverage Threshold = '$CodeCoverageThreshold'" $PesterOutputFolder = Get-SamplerAbsolutePath -Path $PesterOutputFolder -RelativeTo $OutputDirectory "`tPester Output Folder = '$PesterOutputFolder'" if (-not (Split-Path -IsAbsolute $PesterOutputFolder)) { $PesterOutputFolder = Join-Path -Path $OutputDirectory -ChildPath $PesterOutputFolder } $osShortName = Get-OperatingSystemShortName $powerShellVersion = 'PSv.{0}' -f $PSVersionTable.PSVersion $getPesterOutputFileFileNameParameters = @{ ProjectName = $ProjectName ModuleVersion = $ModuleVersion OsShortName = $osShortName PowerShellVersion = $powerShellVersion } $PesterOutputFileFileName = Get-PesterOutputFileFileName @getPesterOutputFileFileNameParameters $PesterResultObjectClixml = Join-Path $PesterOutputFolder "PesterObject_$PesterOutputFileFileName" Write-Build -Color 'White' -Text "`tPester Output Object = $PesterResultObjectClixml" if (-not (Test-Path -Path $PesterResultObjectClixml)) { if ($CodeCoverageThreshold -eq 0) { Write-Build -Color 'Green' -Text 'Pester run and Coverage bypassed. No Pester output found but allowed.' return } else { throw "No command were tested. Threshold of $CodeCoverageThreshold % not met" } } else { $pesterObject = Import-Clixml -Path $PesterResultObjectClixml } $reachedCoverageThreshold = $true # The Version property only exist in the Pester object returned from Pester 5. if ([System.String]::IsNullOrEmpty($pesterObject.Version)) { # Pester 4 if ($pesterObject.CodeCoverage.NumberOfCommandsAnalyzed) { $coverage = $pesterObject.CodeCoverage.NumberOfCommandsExecuted / $pesterObject.CodeCoverage.NumberOfCommandsAnalyzed * 100 if ($coverage -lt $CodeCoverageThreshold) { $reachedCoverageThreshold = $false } } } else { # Pester 5 # Convert to UInt32 so if CoveragePercent is $null it returns as 0. $coverage = [System.UInt32] $pesterObject.CodeCoverage.CoveragePercent if ($coverage -lt $CodeCoverageThreshold) { $reachedCoverageThreshold = $false } } if ($reachedCoverageThreshold) { Write-Build -Color Green -Text ('Code Coverage SUCCESS with value of {0:0.##} % (threshold {1:0.##} %)' -f $coverage, $CodeCoverageThreshold) } else { throw ('Code Coverage FAILURE: {0:0.##} % is under the threshold of {1:0.##} %.' -f $coverage, $CodeCoverageThreshold) } } # Synopsis: Uploading Unit Test results to AppVeyor. task Upload_Test_Results_To_AppVeyor -If { (property BuildSystem 'unknown') -eq 'AppVeyor' } { # Get the vales for task variables, see https://github.com/gaelcolas/Sampler#task-variables. . Set-SamplerTaskVariable $PesterOutputFolder = Get-SamplerAbsolutePath -Path $PesterOutputFolder -RelativeTo $OutputDirectory "`tPester Output Folder = '$PesterOutputFolder'" if (-not (Test-Path -Path $PesterOutputFolder)) { Write-Build -Color 'Yellow' -Text "Creating folder $PesterOutputFolder" $null = New-Item -Path $PesterOutputFolder -ItemType Directory -Force -ErrorAction 'Stop' } $osShortName = Get-OperatingSystemShortName $powerShellVersion = 'PSv.{0}' -f $PSVersionTable.PSVersion $getPesterOutputFileFileNameParameters = @{ ProjectName = $ProjectName ModuleVersion = $ModuleVersion OsShortName = $osShortName PowerShellVersion = $powerShellVersion } $pesterOutputFileFileName = Get-PesterOutputFileFileName @getPesterOutputFileFileNameParameters $pesterOutputFullPath = Join-Path -Path $PesterOutputFolder -ChildPath "$($PesterOutputFormat)_$pesterOutputFileFileName" $testResultFile = Get-Item -Path $pesterOutputFullPath -ErrorAction 'Ignore' if ($testResultFile) { Write-Build -Color 'Green' -Text " Uploading test results $testResultFile to Appveyor" $testResultFile | Add-TestResultToAppveyor Write-Build -Color 'Green' -Text " Upload Complete" } } # Synopsis: Meta task that runs Quality Tests, and fails if they're not successful task Pester_Tests_Stop_On_Fail Import_Pester, Invoke_Pester_Tests_v4, Invoke_Pester_Tests_v5, Upload_Test_Results_To_AppVeyor, Fail_Build_If_Pester_Tests_Failed |