Tests/GenXdev.FileSystem/Find-DuplicateFiles.Tests.ps1
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Pester\Describe 'Find-DuplicateFiles' { Pester\BeforeAll { $Script:testRoot = GenXdev.FileSystem\Expand-Path "$env:TEMP\GenXdev.FileSystem.Tests\" -CreateDirectory # Setup test folders with duplicate files $path1 = Microsoft.PowerShell.Management\Join-Path $testRoot 'dup_test1' $path2 = Microsoft.PowerShell.Management\Join-Path $testRoot 'dup_test2' Microsoft.PowerShell.Management\New-Item -ItemType Directory -Path $path1, $path2 -Force | Microsoft.PowerShell.Core\Out-Null # Create identical files with identical content 'test content' | Microsoft.PowerShell.Management\Set-Content -LiteralPath "$path1\file1.txt" -Encoding UTF8 'test content' | Microsoft.PowerShell.Management\Set-Content -LiteralPath "$path2\file1.txt" -Encoding UTF8 # Give them the same last modified dates $date = Microsoft.PowerShell.Utility\Get-Date Microsoft.PowerShell.Management\Set-ItemProperty -LiteralPath "$path1\file1.txt" -Name LastWriteTime -Value $date Microsoft.PowerShell.Management\Set-ItemProperty -LiteralPath "$path2\file1.txt" -Name LastWriteTime -Value $date $unique1 = Microsoft.PowerShell.Management\Join-Path $testRoot 'unique1' $unique2 = Microsoft.PowerShell.Management\Join-Path $testRoot 'unique2' # Create unique files 'unique1' | Microsoft.PowerShell.Management\Set-Content -LiteralPath $unique1 -Encoding UTF8 'unique2' | Microsoft.PowerShell.Management\Set-Content -LiteralPath $unique2 -Encoding UTF8 } Pester\AfterAll { $Script:testRoot = GenXdev.FileSystem\Expand-Path "$env:TEMP\GenXdev.FileSystem.Tests\" -CreateDirectory # cleanup test folder GenXdev.FileSystem\Remove-AllItems $testRoot -DeleteFolder } Pester\It 'Ignores size comparison when specified' { 'different content' | Microsoft.PowerShell.Management\Set-Content -LiteralPath "$path2\file1.txt" -Encoding UTF8 # Give them the same last modified dates $date = Microsoft.PowerShell.Utility\Get-Date Microsoft.PowerShell.Management\Set-ItemProperty -LiteralPath "$path1\file1.txt" -Name LastWriteTime -Value $date Microsoft.PowerShell.Management\Set-ItemProperty -LiteralPath "$path2\file1.txt" -Name LastWriteTime -Value $date $dups = GenXdev.FileSystem\Find-DuplicateFiles -Paths $path1, $path2 -DontCompareSize $dups.Count | Pester\Should -Be 1 $dups[0].Files.Count | Pester\Should -Be 2 } Pester\It "Doesn't ignore last modified date comparison when specified" { 'different content' | Microsoft.PowerShell.Management\Set-Content -LiteralPath "$path2\file1.txt" -Encoding UTF8 $dups = GenXdev.FileSystem\Find-DuplicateFiles -Paths $path1, $path2 -DontCompareSize $dups.Count | Pester\Should -Be 0 } Pester\It 'Finds no duplicates when files are unique' { Microsoft.PowerShell.Management\Remove-Item -LiteralPath "$path2\file1.txt" -Confirm:$False $dups = GenXdev.FileSystem\Find-DuplicateFiles -Paths $path1, $path2 $dups | Pester\Should -BeNullOrEmpty } } |