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

InModuleScope -ModuleName Alkami.DevOps.Operations -ScriptBlock {
    Write-Host "InModuleScope - Overriding SUT: $($global:functionPath)"
    Import-Module $global:functionPath -Force
    $moduleForMock = ''
    $inScopeModuleForAssert = 'Alkami.DevOps.Operations'

    Describe 'Get-ADUserProfileListToRemove' {

        Mock -CommandName Get-ADUserProfileList -ModuleName $moduleForMock -MockWith {
            $result = @()
            $result += New-Object PSObject @{ LocalPath = 'TestDrive:\Test\test1$' }
            $result += New-Object PSObject @{ LocalPath = 'TestDrive:\Test\test2' }
            $result += New-Object PSObject @{ LocalPath = 'TestDrive:\Test\test3' }

            return $result
        }

        Mock -CommandName Get-UsernamesWithProcesses -ModuleName $moduleForMock -MockWith {
            return @('test2', 'test4', 'test5')
        }

        Context 'Input Validation' {

            It 'Throws if Domain list contains invalid value' {

                { Get-ADUserProfileListToRemove -Domains @('Test') } | Should -Throw
            }
        }

        Context 'Logic' {

            It 'Performs command on localhost by default' {

                Get-ADUserProfileListToRemove | Out-Null

                Assert-MockCalled -ModuleName $inScopeModuleForAssert -CommandName Get-ADUserProfileList -Times 1 -Exactly -Scope It `
                    -ParameterFilter { [string]::IsNullOrWhiteSpace($ComputerName) }
                Assert-MockCalled -ModuleName $inScopeModuleForAssert -CommandName Get-UsernamesWithProcesses -Times 1 -Exactly -Scope It `
                    -ParameterFilter { [string]::IsNullOrWhiteSpace($ComputerName) }
            }

            It 'Uses ComputerName parameter if provided' {

                $test = 'server1.test.local'

                Get-ADUserProfileListToRemove -ComputerName $test | Out-Null

                Assert-MockCalled -ModuleName $inScopeModuleForAssert -CommandName Get-ADUserProfileList -Times 1 -Exactly -Scope It `
                    -ParameterFilter { $ComputerName -eq $test }
                Assert-MockCalled -ModuleName $inScopeModuleForAssert -CommandName Get-UsernamesWithProcesses -Times 1 -Exactly -Scope It `
                    -ParameterFilter { $ComputerName -eq $test }
            }

            It 'Uses Domain parameter if provided' {

                $test = @('CORP')
                Get-ADUserProfileListToRemove -Domains $test | Out-Null

                Assert-MockCalled -ModuleName $inScopeModuleForAssert -CommandName Get-ADUserProfileList -Times 1 -Exactly -Scope It `
                    -ParameterFilter { $null -eq (Compare-Object $Domains $test ) }
            }

            It 'Filters out users with running processes' {

                $results = Get-ADUserProfileListToRemove

                foreach ( $result in $results ) {
                    $result.LocalPath | Should -Not -Match 'test2'
                }
            }

            It 'Filters out user profiles with a local path containing $' {

                $results = Get-ADUserProfileListToRemove

                foreach ( $result in $results ) {
                    $result.LocalPath.Contains('$') | Should -BeFalse
                }
            }
        }
    }
}