Copy the CommandInfo property in Command.Clone() (#12301)

src/System.Management.Automation/engine/hostifaces/Command.cs

@@ -109,6 +109,7 @@ namespace System.Management.Automation.Runspaces
             MergeToResult = command.MergeToResult;
             _mergeUnclaimedPreviousCommandResults = command._mergeUnclaimedPreviousCommandResults;
             IsEndOfStatement = command.IsEndOfStatement;
+            CommandInfo = command.CommandInfo;
 
             foreach (CommandParameter param in command.Parameters)
             {

test/powershell/engine/Api/PSCommand.Tests.ps1

@@ -0,0 +1,71 @@
+# Copyright (c) Microsoft Corporation. All rights reserved.
+# Licensed under the MIT License.
+
+Describe "PSCommand API tests" -Tag "CI" {
+    BeforeAll {
+        $shell = [PowerShell]::Create()
+    }
+
+    AfterAll {
+        $shell.Dispose()
+    }
+
+    BeforeEach {
+        $psCommand = [System.Management.Automation.PSCommand]::new()
+    }
+
+    AfterEach {
+        $shell.Commands.Clear()
+    }
+
+    Context "AddCommand method on PSCommand" {
+        It "Can add a command by name and parameter to a PSCommand" {
+            $null = $psCommand.AddCommand("Write-Output").AddParameter("InputObject", 5)
+            $shell.Commands = $psCommand
+            $result = $shell.Invoke()
+            $result | Should -Be 5
+        }
+
+        It "Can add a command by Command object and parameter to a PSCommand" {
+            $command = [System.Management.Automation.Runspaces.Command]::new("Get-Date")
+            $null = $psCommand.AddCommand($command)
+            $shell.Commands = $psCommand
+            $result = $shell.Invoke()
+            $result | Should -BeOfType System.DateTime
+        }
+    }
+
+    Context "Cloning PSCommands" {
+        It "The clone method successfully copies commands" {
+            $null = $psCommand.AddCommand("Write-Output").AddParameter("InputObject", 5)
+
+            $newCommand = $psCommand.Clone()
+
+            $newCommand.Commands | Should -Not -BeNullOrEmpty
+            $newCommand.Commands[0].CommandText | Should -Be "Write-Output"
+            $newCommand.Commands[0].Parameters | Should -Not -BeNullOrEmpty
+            $newCommand.Commands[0].Parameters[0].Name | Should -Be "InputObject"
+            $newCommand.Commands[0].Parameters[0].Value | Should -Be 5
+        }
+
+        It "clones properly when using the setter on the PowerShell type" {
+            try {
+                $otherShell = [powershell]::Create('CurrentRunspace')
+
+                # We manually create a CmdletInfo here (with an unresolable command) to verify that CmdletInfo's are cloned.
+                $cmdlet = [System.Management.Automation.CmdletInfo]::new('un-resolvable', [Microsoft.PowerShell.Commands.OutStringCommand])
+                $null = $otherShell.AddCommand($cmdlet).AddParameter("InputObject", 'test')
+
+                # Setter for "Commands" calls PSCommand.Clone()
+                $shell.Commands = $otherShell.Commands
+
+                $result = $shell.Invoke()
+                $result | Should -Be "test
+"
+            }
+            finally {
+                $otherShell.Dispose()
+            }
+        }
+    }
+}