Make invoke-formatter parameters positional

Author: Kapil Borle

Engine/Commands/InvokeFormatterCommand.cs

@@ -33,14 +33,14 @@ public class InvokeFormatterCommand : PSCmdlet, IOutputWriter
         ///
         /// *NOTE*: Unlike ScriptBlock parameter, the ScriptDefinition parameter require a string value.
         /// </summary>
-        [ParameterAttribute(Mandatory = true)]
+        [ParameterAttribute(Mandatory = true, Position = 1)]
         [ValidateNotNull]
         public string ScriptDefinition { get; set; }
 
         /// <summary>
         /// A settings hashtable or a path to a PowerShell data file (.psd1) file that contains the settings.
         /// </summary>
-        [Parameter(Mandatory = false)]
+        [Parameter(Mandatory = false, Position = 2)]
         [ValidateNotNull]
         public object Settings { get; set; }
 

Tests/Engine/InvokeFormatter.tests.ps1

@@ -5,6 +5,32 @@ Import-Module PSScriptAnalyzer
 Import-Module (Join-Path $testRootDirectory "PSScriptAnalyzerTestHelper.psm1")
 
 Describe "Invoke-Formatter Cmdlet" {
+    Context "When positional parameters are given" {
+        It "Should use the positional parameters" {
+            $def = @"
+function foo {
+"abc"
+}
+"@
+
+            $expected = @"
+function foo {
+    "abc"
+}
+"@
+
+            $settings = @{
+                IncludeRules = @('PSUseConsistentIndentation')
+                Rules        = @{
+                    PSUseConsistentIndentation = @{
+                        Enable = $true
+                    }
+                }
+            }
+
+            Invoke-Formatter $def $settings | Should Be $expected
+        }
+    }
     Context "When no settings are given" {
         It "Should format using default settings" {
             $def = @'