Test-MrFunctionsToExport.ps1
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#Requires -Version 3.0 -Modules Pester function Test-MrFunctionsToExport { <# .SYNOPSIS Tests that all functions in a module are being exported. .DESCRIPTION Test-MrFunctionsToExport is an advanced function that runs a Pester test against one or more modules to validate that all functions are being properly exported. .PARAMETER ManifestPath Path to the module manifest (PSD1) file for the modules(s) to test. .EXAMPLE Test-MrFunctionsToExport -ManifestPath .\MyModuleManifest.psd1 .EXAMPLE Get-ChildItem -Path .\Modules -Include *.psd1 -Recurse | Test-MrFunctionsToExport .INPUTS String .OUTPUTS None .NOTES Author: Mike F Robbins Website: http://mikefrobbins.com Twitter: @mikefrobbins #> [CmdletBinding()] param ( [Parameter(ValueFromPipeline)] [ValidateScript({ Test-ModuleManifest -Path $_ })] [string[]]$ManifestPath ) PROCESS { foreach ($Manifest in $ManifestPath) { $ModuleInfo = Import-Module -Name $Manifest -Force -PassThru $PS1FileNames = Get-ChildItem -Path "$($ModuleInfo.ModuleBase)\*.ps1" -Exclude *tests.ps1, *profile.ps1 | Select-Object -ExpandProperty BaseName $ExportedFunctions = Get-Command -Module $ModuleInfo.Name | Select-Object -ExpandProperty Name Describe "FunctionsToExport for PowerShell module '$($ModuleInfo.Name)'" { It 'Exports one function in the module manifest per PS1 file' { $ModuleInfo.ExportedFunctions.Values.Name.Count | Should Be $PS1FileNames.Count } It 'Exports functions with names that match the PS1 file base names' { Compare-Object -ReferenceObject $ModuleInfo.ExportedFunctions.Values.Name -DifferenceObject $PS1FileNames | Should BeNullOrEmpty } It 'Only exports functions listed in the module manifest' { $ExportedFunctions.Count | Should Be $ModuleInfo.ExportedFunctions.Values.Name.Count } It 'Contains the same function names as base file names' { Compare-Object -ReferenceObject $PS1FileNames -DifferenceObject $ExportedFunctions | Should BeNullOrEmpty } } } } } |