New Method and tests to check if a script ast contains dot sourcing

Author: Razmo99

src/PowerShellEditorServices/Services/PowerShell/Refactoring/Utilities.cs

@@ -106,6 +106,16 @@ public static FunctionDefinitionAst GetFunctionDefByCommandAst(string OldName, i
             return CorrectDefinition;
         }
 
+        public static bool AssertContainsDotSourced(Ast ScriptAst){
+            Ast dotsourced = ScriptAst.Find(ast =>{
+                return ast is CommandAst commandAst && commandAst.InvocationOperator == TokenKind.Dot;
+            },true);
+            if (dotsourced != null)
+            {
+                return true;
+            }
+            return false;
+        }
         public static Ast GetAst(int StartLineNumber, int StartColumnNumber, Ast Ast)
         {
             Ast token = null;

test/PowerShellEditorServices.Test.Shared/Refactoring/Utilities/TestDotSourcingFalse.ps1

@@ -0,0 +1,21 @@
+function New-User {
+    param (
+        [string]$Username,
+        [string]$password
+    )
+    write-host $username + $password
+
+    $splat= @{
+        Username = "JohnDeer"
+        Password = "SomePassword"
+    }
+    New-User @splat
+}
+
+$UserDetailsSplat= @{
+    Username = "JohnDoe"
+    Password = "SomePassword"
+}
+New-User @UserDetailsSplat
+
+New-User -Username "JohnDoe" -Password "SomePassword"

test/PowerShellEditorServices.Test.Shared/Refactoring/Utilities/TestDotSourcingTrue.ps1

@@ -0,0 +1,7 @@
+$sb = { $var = 30 }
+$shouldDotSource = Get-Random -Minimum 0 -Maximum 2
+if ($shouldDotSource) {
+    . $sb
+} else {
+    & $sb
+}

test/PowerShellEditorServices.Test/Refactoring/RefactorUtilitiesTests.cs

@@ -149,5 +149,17 @@ public void GetFunctionDefinitionAst()
             Assert.Equal(1,symbol.Extent.StartColumnNumber);
 
         }
+        [Fact]
+        public void AssertContainsDotSourcingTrue()
+        {
+            ScriptFile scriptFile = GetTestScript("TestDotSourcingTrue.ps1");
+            Assert.True(Utilities.AssertContainsDotSourced(scriptFile.ScriptAst));
+        }
+        [Fact]
+        public void AssertContainsDotSourcingFalse()
+        {
+            ScriptFile scriptFile = GetTestScript("TestDotSourcingFalse.ps1");
+            Assert.False(Utilities.AssertContainsDotSourced(scriptFile.ScriptAst));
+        }
     }
 }