# Copyright (c) Microsoft Corporation. All rights reserved.

# Licensed under the MIT License.

$scriptPath = Split-Path $MyInvocation.MyCommand.Path -Parent

Describe "Test Add-WindowsPSModulePath cmdlet" {

BeforeAll {

Import-Module -Force "$scriptPath\..\bin\WindowsCompatibility.psd1"

$originalPsModulePath = $env:PSModulePath

}

AfterAll {

Remove-Module -Force WindowsCompatibility

$env:PSModulePath = $originalPsModulePath

}

It 'Validate that the system environment variable PSModulePath components are added to the $ENV:PSModulePath' {

Add-WindowsPSModulePath | Should -BeNullOrEmpty

# a table of the current PSModulePath components

[hashtable] $currentPathTable = @{}

$env:PSModulePath.split(';').foreach{$currentPathTable[$_] = $true}

$WindowsPSModulePath = [System.Environment]::GetEnvironmentVariable("psmodulepath", [System.EnvironmentVariableTarget]::Machine)

$allComponentsInPath = $true

# Verify that all of the path components in the machine-scoped PSModulePath are

# also in the session module path.

foreach ($pc in $WindowsPSModulePath.Split(';'))

{

if ( -not $currentPathTable.ContainsKey($pc) )

{

$allComponents = $false

}

}

$allComponents | Should -Be $true:w

}

}