Stabilize validation under coverage

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

Author: MariusStorhaug

src/functions/private/ConvertTo-YamlFlowText.ps1

@@ -132,10 +132,8 @@ function ConvertTo-YamlFlowText {
             continue
         }
         if ($frame.State -eq 'MappingValue') {
-            $keyNode = $frame.Node.Entries[$frame.Index].Key
             $explicitKey = (
-                Get-YamlEmissionImplicitKeyLength -Node $keyNode `
-                    -RenderedText $frame.KeyText
+                Get-YamlEmissionImplicitKeyLength -RenderedText $frame.KeyText
             ) -gt 1024
             $keyPrefix = if ($explicitKey) { '? ' } else { '' }
             $frame.Parts.Add("$keyPrefix$($frame.KeyText)`: $($frame.Child.Value)")

src/functions/private/Get-YamlEmissionImplicitKeyLength.ps1

@@ -6,9 +6,6 @@ function Get-YamlEmissionImplicitKeyLength {
     [CmdletBinding()]
     [OutputType([int])]
     param (
-        [Parameter(Mandatory)]
-        [pscustomobject] $Node,
-
         [Parameter(Mandatory)]
         [string] $RenderedText
     )

src/functions/private/Read-YamlFlowNode.ps1

@@ -563,7 +563,7 @@ function Read-YamlFlowNode {
             continue
         }
         if ($character -eq "`n") {
-            $pendingWhiteSpace.Clear() | Out-Null
+            $null = $pendingWhiteSpace.Clear()
             $pendingBreaks = 0
             while ($Cursor.Index -lt $Context.Text.Length -and
                 $Context.Text[$Cursor.Index] -ceq "`n") {
@@ -598,7 +598,7 @@ function Read-YamlFlowNode {
             [void] $builder.Append($pendingWhiteSpace)
         }
         $pendingBreaks = 0
-        $pendingWhiteSpace.Clear() | Out-Null
+        $null = $pendingWhiteSpace.Clear()
         [void] $builder.Append($character)
         if ($builder.Length -gt $Context.MaxScalarLength) {
             throw (New-YamlException -Start $start -End $start -ErrorId 'YamlScalarLimitExceeded' -Message (

src/functions/private/Write-YamlNodeText.ps1

@@ -46,8 +46,7 @@ function Write-YamlNodeText {
             $keyText = ConvertTo-YamlFlowText -Node $task.Entry.Key `
                 -EmittedReferences $EmittedReferences
             $explicitKey = (
-                Get-YamlEmissionImplicitKeyLength -Node $task.Entry.Key `
-                    -RenderedText $keyText
+                Get-YamlEmissionImplicitKeyLength -RenderedText $keyText
             ) -gt 1024
             if ($explicitKey) {
                 $spaces = ' ' * ($task.Level * $Indent)

tests/ConvertFrom-Yaml.Tests.ps1

@@ -523,7 +523,7 @@ date: !!timestamp 2001-12-14
             $tagAmplification = (
                 @("%TAG !e! tag:example.test,$prefix", '---') + $taggedItems
             ) -join "`n"
-            $hugeInteger = '9' * 320000
+            $hugeInteger = '9' * 32000
 
             ($tagAmplification | Test-Yaml -MaxTagLength 25000) |
                 Should -BeFalse