René's URL Explorer Experiment

{"@context":"https://schema.org","@type":"DiscussionForumPosting","headline":"On Windows and macOS, Get-Item and Get-ChildItem report file names as specified, not their actual case","articleBody":"Note: The problem:\r\n\r\n* affects only _files_, not also directories\r\n\r\n* for file _paths_, affects all path components.\r\n\r\nSimple demonstration (macOS and Windows):\r\n\r\n```powershell\r\nPS\u003e (Get-Item $PSHOME/POWERSHELL.config.json).Name\r\nPOWERSHELL.config.json\r\n```\r\n\r\nNote how `POWERSHELL.config.json` was reported via `.Name` - exactly as specified - even though the actual casing of the filename is `powershell.config.json`\r\n\r\n## Steps to reproduce\r\n\r\nWindows and macOS only (platforms with case-insensitive (but case-preserving) file-systems).\r\n\r\n```powershell\r\n# Note: The problem occurs only with *files*, not directories.\r\n#       With files, the problem occurs in all path components.\r\nDescribe \"Get-Item / Get-ChildItem: non-wildcard file-name case fidelity test\" {\r\n  BeforeAll {\r\n    Push-Location (Get-Item testdrive:/).FullName\r\n    $nameActual = 'AB'\r\n    $nameCaseVariant = 'aB'\r\n    New-Item $nameActual # create as all-uppercase\r\n\r\n    $testCases = \r\n      @{ Cmdlet = 'Get-Item'; Parameter = 'Path'; Property = 'Name' },\r\n      @{ Cmdlet = 'Get-Item'; Parameter = 'Path'; Property = 'FullName' },\r\n      @{ Cmdlet = 'Get-Item'; Parameter = 'LiteralPath'; Property = 'Name' },\r\n      @{ Cmdlet = 'Get-Item'; Parameter = 'LiteralPath'; Property = 'FullName' },\r\n      @{ Cmdlet = 'Get-ChildItem'; Parameter = 'Path'; Property = 'Name' },\r\n      @{ Cmdlet = 'Get-ChildItem'; Parameter = 'Path'; Property = 'FullName' },\r\n      @{ Cmdlet = 'Get-ChildItem'; Parameter = 'LiteralPath'; Property = 'Name' },\r\n      @{ Cmdlet = 'Get-ChildItem'; Parameter = 'LiteralPath'; Property = 'FullName' }\r\n  }\r\n    \r\n  It \"\u003cCmdlet\u003e: .\u003cProperty\u003e should report '$nameActual' as the file name when literal case variant '$nameCaseVariant' is passed to \u003cParameter\u003e\" -Skip:$IsLinux -TestCase $testCases {\r\n    param($Cmdlet, $Parameter, $Property) \r\n    $htArgs = @{ $Parameter = $nameCaseVariant }\r\n    Split-Path -Leaf (\u0026 $Cmdlet @htArgs).$Property | Should -BeExactly $nameActual\r\n  }\r\n  AfterAll {\r\n    Pop-Location\r\n  }\r\n}\r\n```\r\n\r\n## Expected behavior\r\n\r\nThe tests should succeed.\r\n\r\n## Actual behavior\r\n\r\nAll tests fail.\r\n\r\n## Environment data\r\n\r\n\r\n```none\r\nPowerShell Core 7.1.0-preview.5\r\n```\r\n","author":{"url":"https://github.com/mklement0","@type":"Person","name":"mklement0"},"datePublished":"2020-07-16T09:47:56.000Z","interactionStatistic":{"@type":"InteractionCounter","interactionType":"https://schema.org/CommentAction","userInteractionCount":43},"url":"https://github.com/13190/PowerShell/issues/13190"}