Enable-CommandCoverage.ps1
|
function Enable-CommandCoverage { <# .Synopsis Enables command coverage for a module .Description Enables command coverage for a PowerShell module. Command coverage tracks which functions are called, and which parameters are used. .Example Test-Module -Name ScriptCop -GetCommandCoverage .Example Enable-CommandCoverage -Module ScriptCop Test-Command -ScriptBlock { function foo() { } } Get-CommandCoverage -Module ScriptCop Disable-CommandCoverage -Module ScriptCop .Link #> [OutputType([Nullable])] param( # The name of the module that will be instrumented for command coverage [Parameter(Mandatory=$true,Position=0,ValueFromPipelineByPropertyName=$true)] [Alias('Name')] [string] $Module ) process { $Global:CommandCoverage = @{} $commandDebuggerAction = { $callstack = Get-PSCallStack $calledCommand = $callstack[1].InvocationInfo.InvocationName $commandParameters= $callstack[1].InvocationInfo.BoundParameters if (-not $global:CommandCoverage[$calledCommand]) { $global:CommandCoverage[$calledCommand] = New-Object Collections.ArrayList } $null = $global:CommandCoverage[$calledCommand].AddRange(@($commandParameters.Keys)) } $moduleCommands = Get-Command -Module $module -commandType Function $null = @($moduleCommands | Where-Object { $_.CommandType -eq 'Function' } | ForEach-Object { Set-PSBreakpoint -Command $_ -Action $commandDebuggerAction }) } } |