Fix cross-platform file command validation

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: MariusStorhaug

src/functions/public/Export-Yaml.ps1

@@ -88,7 +88,7 @@ function Export-Yaml {
         Only FileSystem provider destinations are supported.
 
         .LINK
-        ConvertTo-Yaml
+        https://psmodule.io/Yaml/Functions/ConvertTo-Yaml/
     #>
     [OutputType([System.IO.FileInfo])]
     [CmdletBinding(SupportsShouldProcess, ConfirmImpact = 'Medium')]

src/functions/public/Import-Yaml.ps1

@@ -80,7 +80,7 @@ function Import-Yaml {
         Only FileSystem provider paths are supported.
 
         .LINK
-        ConvertFrom-Yaml
+        https://psmodule.io/Yaml/Functions/ConvertFrom-Yaml/
     #>
     [OutputType([object])]
     [CmdletBinding(DefaultParameterSetName = 'Path')]

tests/Import-Yaml.Tests.ps1

@@ -104,12 +104,17 @@ Describe 'Import-Yaml' {
         It 'suppresses path case variants on case-insensitive filesystems' {
             $path = Join-Path $TestDrive 'CaseVariant.yaml'
             [System.IO.File]::WriteAllText($path, 'value: once')
-            $caseVariantPath = $path.ToLowerInvariant()
+            $caseVariantPath = Join-Path (
+                Split-Path -Parent $path
+            ) ([System.IO.Path]::GetFileName($path).ToLowerInvariant())
             try {
                 $null = [System.IO.File]::GetAttributes($caseVariantPath)
             } catch [System.IO.FileNotFoundException] {
                 Set-ItResult -Skipped -Because 'the test filesystem is case-sensitive'
                 return
+            } catch [System.IO.DirectoryNotFoundException] {
+                Set-ItResult -Skipped -Because 'the test filesystem is case-sensitive'
+                return
             }
 
             $result = @(Import-Yaml -Path @($path, $caseVariantPath))
@@ -156,14 +161,19 @@ Describe 'Import-Yaml' {
         It 'sorts by canonical identity regardless of duplicate path spelling' {
             $firstPath = Join-Path $TestDrive 'canonical-a.yaml'
             $secondPath = Join-Path $TestDrive 'canonical-b.yaml'
-            $secondAlias = $secondPath.ToUpperInvariant()
+            $secondAlias = Join-Path (
+                Split-Path -Parent $secondPath
+            ) ([System.IO.Path]::GetFileName($secondPath).ToUpperInvariant())
             [System.IO.File]::WriteAllText($firstPath, 'value: first')
             [System.IO.File]::WriteAllText($secondPath, 'value: second')
             try {
                 $null = [System.IO.File]::GetAttributes($secondAlias)
             } catch [System.IO.FileNotFoundException] {
                 Set-ItResult -Skipped -Because 'the test filesystem is case-sensitive'
                 return
+            } catch [System.IO.DirectoryNotFoundException] {
+                Set-ItResult -Skipped -Because 'the test filesystem is case-sensitive'
+                return
             }
 
             $result = @(Import-Yaml -Path @($secondAlias, $firstPath, $secondPath))