(#2872) Add end to end tests for [A] prompt action

tests/chocolatey-tests/commands/choco-install.Tests.ps1

@@ -1594,4 +1594,34 @@ Describe "choco install" -Tag Chocolatey, InstallCommand {
             $Output.Lines | Should -Contain "$($_ -replace '<installPath>',$env:ChocolateyInstall)" -Because $Output.String
         }
     }
+
+
+    Context "Installing multiple packages at once without allowGlobalConfirmation" {
+
+        BeforeAll {
+            Restore-ChocolateyInstallSnapshot
+            Disable-ChocolateyFeature -Name allowGlobalConfirmation
+
+            $PackageUnderTest = "installpackage", "packagewithscript"
+
+            $Output = "a`n"*2 | Invoke-Choco install @PackageUnderTest
+        }
+
+        It "Installs successfully and exits with success (0)" {
+            $Output.ExitCode | Should -Be 0
+        }
+
+        It "Installed the packages to the lib directory" {
+            $PackageUnderTest | ForEach-Object {
+                "$env:ChocolateyInstall\lib\$_" | Should -Exist
+            }
+        }
+
+        It "Ran both installation scripts after selecting [A] Yes to all at the first prompt" {
+            $promptLine = "Do you want to run the script?([Y]es/[A]ll - yes to all/[N]o/[P]rint):"
+            $prompts = $Output.Lines | Where-Object { $_.Trim() -eq $promptLine }
+
+            $prompts.Count | Should -Be 1
+        }
+    }
 }

tests/chocolatey-tests/commands/testpackages/packagewithscript/1.0.0/packagewithscript.nuspec

@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<package xmlns="http://schemas.microsoft.com/packaging/2010/07/nuspec.xsd">
+  <metadata>
+    <id>packagewithscript</id>
+    <version>1.0.0</version>
+    <title>packagewithscript</title>
+    <authors>__REPLACE_AUTHORS_OF_SOFTWARE__</authors>
+    <owners>__REPLACE_YOUR_NAME__</owners>
+    <requireLicenseAcceptance>false</requireLicenseAcceptance>
+    <description>__REPLACE__</description>
+    <summary>__REPLACE__</summary>
+    <tags>packagewithscript</tags>
+  </metadata>
+  <files>
+    <file src="tools\**" target="tools" />
+  </files>
+</package>

tests/chocolatey-tests/commands/testpackages/packagewithscript/1.0.0/tools/chocolateyBeforeModify.ps1

@@ -0,0 +1 @@
+Write-Output "$env:PackageName $env:PackageVersion Before Modification"

tests/chocolatey-tests/commands/testpackages/packagewithscript/1.0.0/tools/chocolateyinstall.ps1

@@ -0,0 +1 @@
+Write-Output "Installing $env:PackageName $env:PackageVersion"

tests/chocolatey-tests/commands/testpackages/packagewithscript/1.0.0/tools/chocolateyuninstall.ps1

@@ -0,0 +1 @@
+Write-Output "$env:PackageName $env:PackageVersion Uninstalled"

tests/helpers/common/Chocolatey/Invoke-Choco.ps1

@@ -8,19 +8,34 @@
     param(
         # The arguments to use when calling the Choco executable
         [Parameter(Position = 1, ValueFromRemainingArguments)]
-        [string[]]$Arguments
-    )
+        [string[]]$Arguments,
 
-    $chocoPath = Get-ChocoPath
+        # Pipeline input to direct into choco.exe. Used mainly to "respond" to prompts
+        # in a noninteractive context. Provide input as a single string with line-feed
+        # characters ("`n") between input characters in that context.
+        [Parameter(ValueFromPipeline)]
+        [string]$PipelineInput
+    )
+    begin {
+        $chocoPath = Get-ChocoPath
         $firstArgument, [string[]]$remainingArguments = $Arguments
-    $arguments = @($firstArgument; '--allow-unofficial'; $remainingArguments)
-    $output = & $chocoPath @arguments
-    [PSCustomObject]@{
-        # We trim all the lines, so we do not take into account
-        # trimming the lines when asserting, and that extra whitespace
-        # is not considered in our assertions.
-        Lines    = if ($output) { $output.Trim() } else { @() }
-        String   = $output -join "`r`n"
-        ExitCode = $LastExitCode
+        $arguments = @($firstArgument; '--allow-unofficial'; $remainingArguments)
+    }
+    end {
+        $output = if ($PipelineInput) {
+            $PipelineInput | & $chocoPath @arguments
+        }
+        else {
+            & $chocoPath @arguments
+        }
+
+        [PSCustomObject]@{
+            # We trim all the lines, so we do not take into account
+            # trimming the lines when asserting, and that extra whitespace
+            # is not considered in our assertions.
+            Lines    = if ($output) { $output.Trim() } else { @() }
+            String   = $output -join "`r`n"
+            ExitCode = $LastExitCode
+        }
     }
 }