Functions/PesterState.ps1
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function New-PesterState { param ( [Parameter(Mandatory=$true)] [String]$Path, [String[]]$TagFilter, [String[]]$TestNameFilter, [System.Management.Automation.SessionState]$SessionState, [Switch]$Strict ) if ($null -eq $SessionState) { $SessionState = $ExecutionContext.SessionState } New-Module -Name Pester -AsCustomObject -ScriptBlock { param ( [String]$_path, [String[]]$_tagFilter, [String[]]$_testNameFilter, [System.Management.Automation.SessionState]$_sessionState, [Switch]$Strict ) #public read-only $Path = $_path $TagFilter = $_tagFilter $TestNameFilter = $_testNameFilter $script:SessionState = $_sessionState $script:CurrentContext = "" $script:CurrentDescribe = "" $script:CurrentTest = "" $script:Stopwatch = [System.Diagnostics.Stopwatch]::StartNew() $script:MostRecentTimestamp = 0 $script:CommandCoverage = @() $script:BeforeEach = @() $script:AfterEach = @() $script:Strict = $Strict $script:TestResult = @() function EnterDescribe ($Name) { if ($CurrentDescribe) { throw Microsoft.PowerShell.Utility\New-Object InvalidOperationException "You already are in Describe, you cannot enter Describe twice" } $script:CurrentDescribe = $Name } function LeaveDescribe { if ( $CurrentContext ) { throw Microsoft.PowerShell.Utility\New-Object InvalidOperationException "Cannot leave Describe before leaving Context" } $script:CurrentDescribe = $null } function EnterContext ($Name) { if ( -not $CurrentDescribe ) { throw Microsoft.PowerShell.Utility\New-Object InvalidOperationException "Cannot enter Context before entering Describe" } if ( $CurrentContext ) { throw Microsoft.PowerShell.Utility\New-Object InvalidOperationException "You already are in Context, you cannot enter Context twice" } if ($CurrentTest) { throw Microsoft.PowerShell.Utility\New-Object InvalidOperationException "You already are in It, you cannot enter Context inside It" } $script:CurrentContext = $Name } function LeaveContext { if ($CurrentTest) { throw Microsoft.PowerShell.Utility\New-Object InvalidOperationException "Cannot leave Context before leaving It" } $script:CurrentContext = $null } function EnterTest([string]$Name) { if (-not $script:CurrentDescribe) { throw Microsoft.PowerShell.Utility\New-Object InvalidOperationException "Cannot enter It before entering Describe" } if ( $CurrentTest ) { throw Microsoft.PowerShell.Utility\New-Object InvalidOperationException "You already are in It, you cannot enter It twice" } $script:CurrentTest = $Name } function LeaveTest { $script:CurrentTest = $null } function AddTestResult { param ( [string]$Name, [ValidateSet("Failed","Passed","Skipped","Pending")] [string]$Result, [Nullable[TimeSpan]]$Time, [string]$FailureMessage, [string]$StackTrace, [string] $ParameterizedSuiteName, [System.Collections.IDictionary] $Parameters ) $previousTime = $script:MostRecentTimestamp $script:MostRecentTimestamp = $script:Stopwatch.Elapsed if ($null -eq $Time) { $Time = $script:MostRecentTimestamp - $previousTime } if (-not $script:Strict) { $Passed = "Passed","Skipped","Pending" -contains $Result } else { $Passed = $Result -eq "Passed" if (($Result -eq "Skipped") -or ($Result -eq "Pending")) { $FailureMessage = "The test failed because the test was executed in Strict mode and the result '$result' was translated to Failed." $Result = "Failed" } } $Script:TestResult += Microsoft.PowerShell.Utility\New-Object -TypeName PsObject -Property @{ Describe = $CurrentDescribe Context = $CurrentContext Name = $Name Passed = $Passed Result = $Result Time = $Time FailureMessage = $FailureMessage StackTrace = $StackTrace ParameterizedSuiteName = $ParameterizedSuiteName Parameters = $Parameters } | Microsoft.PowerShell.Utility\Select-Object Describe, Context, Name, Result, Passed, Time, FailureMessage, StackTrace, ParameterizedSuiteName, Parameters } $ExportedVariables = "Path", "TagFilter", "TestNameFilter", "TestResult", "CurrentContext", "CurrentDescribe", "CurrentTest", "SessionState", "CommandCoverage", "BeforeEach", "AfterEach", "Strict" $ExportedFunctions = "EnterContext", "LeaveContext", "EnterDescribe", "LeaveDescribe", "EnterTest", "LeaveTest", "AddTestResult" Export-ModuleMember -Variable $ExportedVariables -function $ExportedFunctions } -ArgumentList $Path, $TagFilter, $TestNameFilter, $SessionState, $Strict | Add-Member -MemberType ScriptProperty -Name TotalCount -Value { @( $this.TestResult ).Count } -PassThru | Add-Member -MemberType ScriptProperty -Name PassedCount -Value { @( $this.TestResult | where { $_.Result -eq "Passed" } ).count } -PassThru | Add-Member -MemberType ScriptProperty -Name FailedCount -Value { @( $this.TestResult | where { $_.Result -eq "Failed" } ).count } -PassThru | Add-Member -MemberType ScriptProperty -Name SkippedCount -Value { @( $this.TestResult | where { $_.Result -eq "Skipped" } ).count } -PassThru | Add-Member -MemberType ScriptProperty -Name PendingCount -Value { @( $this.TestResult | where { $_.Result -eq "Pending" } ).count } -PassThru | Add-Member -MemberType ScriptProperty -Name Time -Value { $this.TestResult | foreach { [timespan]$total=0 } { $total = $total + ( $_.time ) } { [timespan]$total } } -PassThru | Add-Member -MemberType ScriptProperty -Name Scope -Value { if ($this.CurrentTest) { 'It' } elseif ($this.CurrentContext) { 'Context' } elseif ($this.CurrentDescribe) { 'Describe' } else { $null } } -Passthru | Add-Member -MemberType ScriptProperty -Name ParentScope -Value { $parentScope = $null $scope = $this.Scope if ($scope -eq 'It' -and $this.CurrentContext) { $parentScope = 'Context' } if ($null -eq $parentScope -and $scope -ne 'Describe' -and $this.CurrentDescribe) { $parentScope = 'Describe' } return $parentScope } -PassThru } function Write-Describe { param ( [Parameter(mandatory=$true, valueFromPipeline=$true)]$Name ) process { Write-Host Describing $Name -ForegroundColor Magenta } } function Write-Context { param ( [Parameter(mandatory=$true, valueFromPipeline=$true)]$Name ) process { $margin = " " Microsoft.PowerShell.Utility\Write-Host ${margin}Context $Name -ForegroundColor Magenta } } function Write-PesterResult { param ( [Parameter(mandatory=$true, valueFromPipeline=$true)] $TestResult ) process { $testDepth = if ( $TestResult.Context ) { 4 } elseif ( $TestResult.Describe ) { 1 } else { 0 } $margin = " " * $TestDepth $error_margin = $margin + " " $output = $TestResult.name $humanTime = Get-HumanTime $TestResult.Time.TotalSeconds switch ($TestResult.Result) { Passed { "$margin[+] $output $humanTime" | Microsoft.PowerShell.Utility\Write-Host -ForegroundColor DarkGreen break } Failed { "$margin[-] $output $humanTime" | Microsoft.PowerShell.Utility\Write-Host -ForegroundColor red Microsoft.PowerShell.Utility\Write-Host -ForegroundColor red $($TestResult.failureMessage -replace '(?m)^',$error_margin) Microsoft.PowerShell.Utility\Write-Host -ForegroundColor red $($TestResult.stackTrace -replace '(?m)^',$error_margin) break } Skipped { "$margin[!] $output $humanTime" | Microsoft.PowerShell.Utility\Write-Host -ForegroundColor Gray break } Pending { "$margin[?] $output $humanTime" | Microsoft.PowerShell.Utility\Write-Host -ForegroundColor Gray break } } } } function Write-PesterReport { param ( [Parameter(mandatory=$true, valueFromPipeline=$true)] $PesterState ) Write-Host "Tests completed in $(Get-HumanTime $PesterState.Time.TotalSeconds)" Write-Host "Passed: $($PesterState.PassedCount) Failed: $($PesterState.FailedCount) Skipped: $($PesterState.SkippedCount) Pending: $($PesterState.PendingCount)" } |