Tests/GenXdev.FileSystem/Start-RoboCopy.Tests.ps1

Describe "Start-RoboCopy" {
    BeforeAll {
        $Script:testRoot = Expand-Path "$env:TEMP\GenXdev.FileSystem.Tests\" -CreateDirectory
        Push-Location ($Script:testRoot)
    }

    AfterAll {
        Pop-Location
        Remove-AllItems $Script:testRoot -DeleteFolder
    }

    BeforeEach {
        $Script:source = "$Script:testRoot\source"
        $Script:dest = "$Script:testRoot\dest"
        New-Item -ItemType Directory -Path $Script:source, $Script:dest -Force

        1..3 | ForEach-Object {
            "test$_" | Out-File "$Script:source\file$_.txt"
        }
    }

    AfterEach {
        Remove-Item -Path $Script:source, $Script:dest -Recurse -Force
    }

    It "Copies files between folders" {
        Start-RoboCopy -Source $Script:source -DestinationDirectory $Script:dest
        $destFiles = Get-ChildItem $Script:dest -File
        $destFiles.Count | Should -Be 3
    }

    It "Moves files when specified" {
        Start-RoboCopy -Source $Script:source -DestinationDirectory $Script:dest -Move
        $sourceFiles = Get-ChildItem $Script:source -File
        $sourceFiles.Count | Should -Be 0
        $destFiles = Get-ChildItem $Script:dest -File
        $destFiles.Count | Should -Be 3
    }

    It "Mirrors directory structure" {
        New-Item -ItemType Directory -Path "$Script:source\subfolder" -Force
        "subtest" | Out-File "$Script:source\subfolder\subfile.txt"

        Start-RoboCopy -Source $Script:source -DestinationDirectory $Script:dest -Mirror
        Test-Path "$Script:dest\subfolder\subfile.txt" | Should -Be $true
    }
}