PowerShell · iSazonov · Jul 20, 2021 · Dec 12, 2020 · Dec 12, 2020 · Dec 13, 2020
diff --git a/...m.Management.Automation/FormatAndOutput/DefaultFormatters/PowerShellCore_format_ps1xml.cs b/...m.Management.Automation/FormatAndOutput/DefaultFormatters/PowerShellCore_format_ps1xml.cs
@@ -2051,6 +2051,7 @@ private static IEnumerable<FormatViewDefinition> ViewsOf_System_Management_Autom
                         .AddItemScriptBlock(@"""$($_.Strikethrough)$($_.Strikethrough.Replace(""""`e"""",'`e'))$($_.Reset)""", label: "Strikethrough")
                         .AddItemProperty(@"OutputRendering")
                         .AddItemScriptBlock(@"""$($_.Formatting.FormatAccent)$($_.Formatting.FormatAccent.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "Formatting.FormatAccent")
+                        .AddItemScriptBlock(@"""$($_.Formatting.TableHeaader)$($_.Formatting.TableHeaader.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "Formatting.TableHeaader")
                         .AddItemScriptBlock(@"""$($_.Formatting.ErrorAccent)$($_.Formatting.ErrorAccent.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "Formatting.ErrorAccent")
                         .AddItemScriptBlock(@"""$($_.Formatting.Error)$($_.Formatting.Error.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "Formatting.Error")
                         .AddItemScriptBlock(@"""$($_.Formatting.Warning)$($_.Formatting.Warning.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "Formatting.Warning")
@@ -2102,6 +2103,7 @@ private static IEnumerable<FormatViewDefinition> ViewsOf_System_Management_Autom
                 ListControl.Create()
                     .StartEntry()
                         .AddItemScriptBlock(@"""$($_.FormatAccent)$($_.FormatAccent.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "FormatAccent")
+                        .AddItemScriptBlock(@"""$($_.TableHeader)$($_.TableHeader.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "TableHeader")
                         .AddItemScriptBlock(@"""$($_.ErrorAccent)$($_.ErrorAccent.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "ErrorAccent")
                         .AddItemScriptBlock(@"""$($_.Error)$($_.Error.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "Error")
                         .AddItemScriptBlock(@"""$($_.Warning)$($_.Warning.Replace(""""`e"""",'`e'))$($PSStyle.Reset)""", label: "Warning")

diff --git a/src/System.Management.Automation/FormatAndOutput/common/ListWriter.cs b/src/System.Management.Automation/FormatAndOutput/common/ListWriter.cs
@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Specialized;
 using System.Diagnostics;
+using System.Management.Automation;
 using System.Management.Automation.Internal;
 
 namespace Microsoft.PowerShell.Commands.Internal.Format
@@ -59,6 +60,10 @@ internal void Initialize(string[] propertyNames, int screenColumnWidth, DisplayC
 
             // check if we have to truncate the labels
             int maxAllowableLabelLength = screenColumnWidth - Separator.Length - MinFieldWidth;
+            if (InternalTestHooks.ForceFormatListFixedLabelWidth)
+            {
+                maxAllowableLabelLength = 10;
+            }
 
             // find out the max display length (cell count) of the property names
             _propertyLabelsDisplayLength = 0; // reset max
@@ -217,11 +222,25 @@ private void WriteSingleLineHelper(string prependString, string line, LineOutput
             {
                 if (k == 0)
                 {
-                    lo.WriteLine(prependString + sc[k]);
+                    if (ExperimentalFeature.IsEnabled("PSAnsiRendering"))
+                    {
+                        lo.WriteLine(PSStyle.Instance.Formatting.FormatAccent + prependString + PSStyle.Instance.Reset + sc[k]);
+                    }
+                    else
+                    {
+                        lo.WriteLine(prependString + sc[k]);
+                    }
                 }
                 else
                 {
-                    lo.WriteLine(padding + sc[k]);
+                    if (ExperimentalFeature.IsEnabled("PSAnsiRendering"))
+                    {
+                        lo.WriteLine(padding + PSStyle.Instance.Formatting.FormatAccent + PSStyle.Instance.Reset + sc[k]);
+                    }
+                    else
+                    {
+                        lo.WriteLine(padding + sc[k]);
+                    }
                 }
             }
         }

diff --git a/src/System.Management.Automation/FormatAndOutput/common/PSStyle.cs b/src/System.Management.Automation/FormatAndOutput/common/PSStyle.cs
@@ -307,6 +307,11 @@ public sealed class FormattingData
             /// </summary>
             public string FormatAccent { get; set; } = "\x1b[32;1m";
 
+            /// <summary>
+            /// Gets or sets the style for table headers.
+            /// </summary>
+            public string TableHeader { get; set; } = "\x1b[32;1m";
+
             /// <summary>
             /// Gets or sets the accent style for errors.
             /// </summary>

diff --git a/src/System.Management.Automation/FormatAndOutput/common/TableWriter.cs b/src/System.Management.Automation/FormatAndOutput/common/TableWriter.cs
@@ -4,6 +4,7 @@
 using System;
 using System.Collections.Generic;
 using System.Collections.Specialized;
+using System.Management.Automation;
 using System.Management.Automation.Internal;
 using System.Text;
 
@@ -155,7 +156,14 @@ internal int GenerateHeader(string[] values, LineOutput lo)
             {
                 foreach (string line in _header)
                 {
-                    lo.WriteLine(line);
+                    if (ExperimentalFeature.IsEnabled("PSAnsiRendering"))
+                    {
+                        lo.WriteLine(PSStyle.Instance.Formatting.TableHeader + line + PSStyle.Instance.Reset);
+                    }
+                    else
+                    {
+                        lo.WriteLine(line);
+                    }
                 }
 
                 return _header.Count;
@@ -164,7 +172,7 @@ internal int GenerateHeader(string[] values, LineOutput lo)
             _header = new List<string>();
 
             // generate the row with the header labels
-            GenerateRow(values, lo, true, null, lo.DisplayCells, _header);
+            GenerateRow(values, lo, true, null, lo.DisplayCells, _header, isHeader: true);
 
             // generate an array of "--" as header markers below
             // the column header labels
@@ -191,14 +199,16 @@ internal int GenerateHeader(string[] values, LineOutput lo)
                 breakLine[k] = StringUtil.DashPadding(count);
             }
 
-            GenerateRow(breakLine, lo, false, null, lo.DisplayCells, _header);
+            GenerateRow(breakLine, lo, false, null, lo.DisplayCells, _header, isHeader: true);
             return _header.Count;
         }
 
-        internal void GenerateRow(string[] values, LineOutput lo, bool multiLine, ReadOnlySpan<int> alignment, DisplayCells dc, List<string> generatedRows)
+        internal void GenerateRow(string[] values, LineOutput lo, bool multiLine, ReadOnlySpan<int> alignment, DisplayCells dc, List<string> generatedRows, bool isHeader = false)
         {
             if (_disabled)
+            {
                 return;
+            }
 
             // build the current row alignment settings
             int cols = _si.columnInfo.Length;
@@ -216,9 +226,13 @@ internal void GenerateRow(string[] values, LineOutput lo, bool multiLine, ReadOn
                 for (int i = 0; i < currentAlignment.Length; i++)
                 {
                     if (alignment[i] == TextAlignment.Undefined)
+                    {
                         currentAlignment[i] = _si.columnInfo[i].alignment;
+                    }
                     else
+                    {
                         currentAlignment[i] = alignment[i];
+                    }
                 }
             }
 
@@ -227,14 +241,28 @@ internal void GenerateRow(string[] values, LineOutput lo, bool multiLine, ReadOn
                 foreach (string line in GenerateTableRow(values, currentAlignment, lo.DisplayCells))
                 {
                     generatedRows?.Add(line);
-                    lo.WriteLine(line);
+                    if (ExperimentalFeature.IsEnabled("PSAnsiRendering") && isHeader)
+                    {
+                        lo.WriteLine(PSStyle.Instance.Formatting.TableHeader + line + PSStyle.Instance.Reset);
+                    }
+                    else
+                    {
+                        lo.WriteLine(line);
+                    }
                 }
             }
             else
             {
                 string line = GenerateRow(values, currentAlignment, dc);
                 generatedRows?.Add(line);
-                lo.WriteLine(line);
+                if (ExperimentalFeature.IsEnabled("PSAnsiRendering") && isHeader)
+                {
+                    lo.WriteLine(PSStyle.Instance.Formatting.TableHeader + line + PSStyle.Instance.Reset);
+                }
+                else
+                {
+                    lo.WriteLine(line);
+                }
             }
         }
 
@@ -441,7 +469,15 @@ private string GenerateRow(string[] values, ReadOnlySpan<int> alignment, Display
                 if (values[k].Contains(ESC))
                 {
                     // Reset the console output if the content of this column contains ESC
-                    sb.Append(ResetConsoleVt100Code);
+                    if (ExperimentalFeature.IsEnabled("PSAnsiRendering"))
+                    {
+                        // Remove definition of `ResetConsoleVt10Code` when PSAnsiRendering is not experimental
+                        sb.Append(PSStyle.Instance.Reset);
+                    }
+                    else
+                    {
+                        sb.Append(ResetConsoleVt100Code);
+                    }
                 }
             }
 

diff --git a/src/System.Management.Automation/engine/Utils.cs b/src/System.Management.Automation/engine/Utils.cs
@@ -1843,6 +1843,7 @@ internal enum FormatStyle
         {
             Reset,
             FormatAccent,
+            TableHeader,
             ErrorAccent,
             Error,
             Warning,
@@ -1870,6 +1871,8 @@ internal static string GetFormatStyleString(FormatStyle formatStyle)
                         return psstyle.Reset;
                     case FormatStyle.FormatAccent:
                         return psstyle.Formatting.FormatAccent;
+                    case FormatStyle.TableHeader:
+                        return psstyle.Formatting.TableHeader;
                     case FormatStyle.ErrorAccent:
                         return psstyle.Formatting.ErrorAccent;
                     case FormatStyle.Error:
@@ -2073,6 +2076,7 @@ public static class InternalTestHooks
         internal static bool ForcePromptForChoiceDefaultOption;
         internal static bool BypassOutputRedirectionCheck;
         internal static bool NoPromptForPassword;
+        internal static bool ForceFormatListFixedLabelWidth;
 
         // Stop/Restart/Rename Computer tests
         internal static bool TestStopComputer;

diff --git a/test/powershell/Host/ConsoleHost.Tests.ps1 b/test/powershell/Host/ConsoleHost.Tests.ps1
@@ -275,7 +275,7 @@ export $envVarName='$guid'
         }
 
         It "Doesn't run the login profile when -Login not used" {
-            $result = & $powershell -Command "`$env:$envVarName"
+            $result = & $powershell -noprofile -Command "`$env:$envVarName"
             $result | Should -BeNullOrEmpty
             $LASTEXITCODE | Should -Be 0
         }
@@ -374,7 +374,20 @@ export $envVarName='$guid'
     }
 
     Context "Pipe to/from powershell" {
-        $p = [PSCustomObject]@{X=10;Y=20}
+        BeforeAll {
+            if ($null -ne $PSStyle) {
+                $outputRendering = $PSStyle.OutputRendering
+                $PSStyle.OutputRendering = 'plaintext'
+            }
+
+            $p = [PSCustomObject]@{X=10;Y=20}
+        }
+
+        AfterAll {
+            if ($null -ne $PSStyle) {
+                $PSStyle.OutputRendering = $outputRendering
+            }
+        }
 
         It "xml input" {
             $p | & $powershell -noprofile { $input | ForEach-Object {$a = 0} { $a += $_.X + $_.Y } { $a } } | Should -Be 30
@@ -651,7 +664,7 @@ namespace StackTest {
         }
 
         It "powershell starts if PATH is not set" -Skip:($IsWindows) {
-            bash -c "unset PATH;$powershell -c '1+1'" | Should -BeExactly 2
+            bash -c "unset PATH;$powershell -nop -c '1+1'" | Should -BeExactly 2
         }
     }
 

diff --git a/test/powershell/Language/Classes/Scripting.Classes.BasicParsing.Tests.ps1 b/test/powershell/Language/Classes/Scripting.Classes.BasicParsing.Tests.ps1
@@ -682,6 +682,19 @@ Describe 'ScriptScopeAccessFromClassMethod' -Tags "CI" {
 }
 
 Describe 'Hidden Members Test ' -Tags "CI" {
+    BeforeAll {
+        if ($null -ne $PSStyle) {
+            $outputRendering = $PSStyle.OutputRendering
+            $PSStyle.OutputRendering = 'plaintext'
+        }
+    }
+
+    AfterAll {
+        if ($null -ne $PSStyle) {
+            $PSStyle.OutputRendering = $outputRendering
+        }
+    }
+
         class C1
         {
             [int]$visibleX

diff --git a/test/powershell/Modules/Microsoft.PowerShell.Utility/Format-Custom.Tests.ps1 b/test/powershell/Modules/Microsoft.PowerShell.Utility/Format-Custom.Tests.ps1
@@ -26,7 +26,20 @@ Describe "Format-Custom" -Tags "CI" {
 }
 
 Describe "Format-Custom DRT basic functionality" -Tags "CI" {
-	Add-Type -TypeDefinition @"
+    BeforeAll {
+        if ($null -ne $PSStyle) {
+            $outputRendering = $PSStyle.OutputRendering
+            $PSStyle.OutputRendering = 'plaintext'
+        }
+    }
+
+    AfterAll {
+        if ($null -ne $PSStyle) {
+            $PSStyle.OutputRendering = $outputRendering
+        }
+    }
+
+    Add-Type -TypeDefinition @"
     public abstract class NamedItem
     {
         public string name;
@@ -310,6 +323,11 @@ class MyLeaf2
 
 Describe "Format-Custom with expression based EntrySelectedBy in a CustomControl" -Tags "CI" {
     BeforeAll {
+        if ($null -ne $PSStyle) {
+            $outputRendering = $PSStyle.OutputRendering
+            $PSStyle.OutputRendering = 'plaintext'
+        }
+
         $formatFilePath = Join-Path $TestDrive 'UpdateFormatDataTests.format.ps1xml'
         $xmlContent = @'
 <?xml version="1.0" encoding="UTF-8" ?>
@@ -389,6 +407,10 @@ Describe "Format-Custom with expression based EntrySelectedBy in a CustomControl
     }
 
     AfterAll {
+        if ($null -ne $PSStyle) {
+            $PSStyle.OutputRendering = $outputRendering
+        }
+
         $rs.Close()
         $ps.Dispose()
     }

diff --git a/test/powershell/Modules/Microsoft.PowerShell.Utility/Format-List.Tests.ps1 b/test/powershell/Modules/Microsoft.PowerShell.Utility/Format-List.Tests.ps1
@@ -1,7 +1,21 @@
 # Copyright (c) Microsoft Corporation.
 # Licensed under the MIT License.
 Describe "Format-List" -Tags "CI" {
-    $nl = [Environment]::NewLine
+    BeforeAll {
+        $nl = [Environment]::NewLine
+
+        if ($null -ne $PSStyle) {
+            $outputRendering = $PSStyle.OutputRendering
+            $PSStyle.OutputRendering = 'plaintext'
+        }
+    }
+
+    AfterAll {
+        if ($null -ne $PSStyle) {
+            $PSStyle.OutputRendering = $outputRendering
+        }
+    }
+
     BeforeEach {
         $in = New-Object PSObject
         Add-Member -InputObject $in -MemberType NoteProperty -Name testName -Value testValue
@@ -70,6 +84,19 @@ Describe "Format-List" -Tags "CI" {
 }
 
 Describe "Format-List DRT basic functionality" -Tags "CI" {
+    BeforeAll {
+        if ($null -ne $PSStyle) {
+            $outputRendering = $PSStyle.OutputRendering
+            $PSStyle.OutputRendering = 'plaintext'
+        }
+    }
+
+    AfterAll {
+        if ($null -ne $PSStyle) {
+            $PSStyle.OutputRendering = $outputRendering
+        }
+    }
+
     It "Format-List with array should work" {
         $al = (0..255)
         $info = @{}
@@ -183,3 +210,22 @@ dbda : KM
         $actual | Should -BeExactly $expected
     }
 }
+
+Describe 'Format-List color tests' {
+    BeforeAll {
+        $PSDefaultParameterValues.Add('It:Skip', (-not $EnabledExperimentalFeatures.Contains('PSAnsiRendering')))
+        [System.Management.Automation.Internal.InternalTestHooks]::SetTestHook('ForceFormatListFixedLabelWidth', $true)
+    }
+
+    AfterAll {
+        $PSDefaultParameterValues.Remove('It:Skip')
+        [System.Management.Automation.Internal.InternalTestHooks]::SetTestHook('ForceFormatListFixedLabelWidth', $false)
+    }
+
+    It 'Property names should use FormatAccent' {
+        $out = ([pscustomobject]@{Short=1;LongLabelName=2} | fl | out-string).Split([Environment]::NewLine, [System.StringSplitOptions]::RemoveEmptyEntries)
+        $out.Count | Should -Be 2
+        $out[0] | Should -BeExactly "$($PSStyle.Formatting.FormatAccent)Short      : $($PSStyle.Reset)1" -Because ($out[0] | Format-Hex)
+        $out[1] | Should -BeExactly "$($PSStyle.Formatting.FormatAccent)LongLabelN : $($PSStyle.Reset)2"
+    }
+}