. $PSScriptRoot\..\..\Load-PesterModules.ps1
$here = Split-Path -Parent $MyInvocation.MyCommand.Path
$sut = (Split-Path -Leaf $MyInvocation.MyCommand.Path) -replace '\.tests\.', '.'
$functionPath = Join-Path -Path $here -ChildPath $sut
Write-Host "Overriding SUT: $functionPath"
Import-Module $functionPath -Force
$moduleForMock = ""

Describe "Select-AlkamiAppServers" {

    Context "Server Filter" {

        $servers = @("APP1", "APP2", "ALK-PLA1-QA4", "BadAPP123", "MIC1", "FAB1", "WEB1", "ALK-PLA1-QW4")

        It "Filters App Servers" {
            $filtered = Select-AlkamiAppServers -Servers $servers
            $filtered | Should -Be @("APP1", "APP2", "ALK-PLA1-QA4")
        }

        It "Handles Empty Collection" {
            $result = Select-AlkamiAppServers -Servers @()
            $result | Should -Be $null
        }

        It "Handles Null" {
            $result = Select-AlkamiAppServers -Servers $null
            $result | Should -Be $null
        }
    }
}