Fix tests

Author: snakex64

src/NodeDev.Blazor/DiagramsModels/LambdaGroupModel.cs

@@ -14,7 +14,7 @@ namespace NodeDev.Blazor.DiagramsModels;
 public sealed class LambdaGroupModel : GroupModel
 {
 	public const byte MinimumPadding = 60;
-	public const byte FuncPadding = 90;
+	public const byte FuncPadding = MinimumPadding;
 	public const double MinimumWidth = 600;
 	public const double MinimumHeight = 420;
 

src/NodeDev.Blazor/DiagramsModels/LambdaGroupWidget.razor

@@ -19,7 +19,10 @@
 		<div class="lambda-signature-editor" data-test-id="lambda-signature-editor">
 			@if (Group.DelegateNode is CreateFuncNode)
 			{
-				<button class="lambda-signature-chip lambda-result-chip" @onclick="SelectResultType" @onclick:stopPropagation="true">
+				<button class="lambda-signature-chip lambda-result-chip"
+						title="Returns @Group.DelegateNode.ResultType?.FriendlyName"
+						@onclick="SelectResultType"
+						@onclick:stopPropagation="true">
 					returns @(Group.DelegateNode.ResultType?.FriendlyName ?? "?")
 				</button>
 			}

src/NodeDev.Blazor/wwwroot/styles.css

@@ -227,11 +227,14 @@ g.diagram-link path:not(.selection-helper) {
 
 .lambda-region-title-row {
 	justify-content: space-between;
+	flex: 1 1 auto;
+	min-width: 0;
 }
 
 .lambda-signature-editor {
+	flex: 0 1 auto;
 	flex-wrap: wrap;
-	margin-top: 0.25rem;
+	justify-content: flex-end;
 	font-size: 0.7rem;
 }
 
@@ -245,6 +248,7 @@ g.diagram-link path:not(.selection-helper) {
 }
 
 .lambda-signature-chip button,
+.lambda-result-chip,
 .lambda-signature-add {
 	border: 0;
 	background: transparent;
@@ -268,6 +272,13 @@ g.diagram-link path:not(.selection-helper) {
 	border-radius: 999px;
 }
 
+.lambda-result-chip {
+	max-width: 180px;
+	overflow: hidden;
+	text-overflow: ellipsis;
+	white-space: nowrap;
+}
+
 .lambda-chip-remove {
 	font-weight: 700;
 	padding-left: 0.2rem !important;
@@ -315,7 +326,7 @@ g.diagram-link path:not(.selection-helper) {
     position: absolute;
     right: -1px;
     bottom: 18px;
-    width: 190px;
+    width: 156px;
     box-sizing: border-box;
     overflow: visible;
     padding: 0 10px 7px 14px;

src/NodeDev.Core/Nodes/Delegates/CreateFuncNode.cs

@@ -1,13 +1,11 @@
-using NodeDev.Core.Types;
-
 namespace NodeDev.Core.Nodes.Delegates;
 
 public sealed class CreateFuncNode : CreateDelegateNode
 {
 	public CreateFuncNode(Graph graph, string? id = null) : base(graph, id)
 	{
 		Name = "Create Func";
-		InitializeSignature(new UndefinedGenericType($"LambdaResult_{Id.Replace('-', '_')}"));
+		InitializeSignature(TypeFactory.Get<bool>());
 	}
 
 	public override DelegateKind Kind => DelegateKind.Func;

src/NodeDev.EndToEndTests/Pages/HomePage.cs

@@ -179,25 +179,27 @@ public async Task DragNodeTo(string nodeName, float targetX, float targetY)
 		if (box == null)
 			throw new Exception($"Could not get bounding box for node '{nodeName}'");
 
-		await node.ClickAsync();
-
 		// Calculate center of node as the starting point
 		var sourceX = (float)(box.X + box.Width / 2);
 		var sourceY = (float)(box.Y + box.Height / 2);
 
 		Console.WriteLine($"Dragging {nodeName} from ({sourceX}, {sourceY}) to ({targetX}, {targetY})");
 
-		// Perform manual drag with proper event sequence for Blazor.Diagrams
-		// 1. Move mouse to starting position
+		// Dismiss any hover UI left by the preceding action (for example, a MudBlazor
+		// tooltip from a node-search result) before interacting with the diagram node.
+		await _user.Mouse.MoveAsync(0, 0);
+
+		// Perform manual drag with proper event sequence for Blazor.Diagrams.
+		// Moving to the node and pressing the mouse button selects it and starts the drag;
+		// a separate click is both redundant and vulnerable to transient popovers.
 		await _user.Mouse.MoveAsync(sourceX, sourceY);
-		// 2. Press mouse button down (pointerdown event)
 		await _user.Mouse.DownAsync();
 		await Task.Delay(50); // Single delay for event propagation
 
-		// 3. Move mouse to target position with multiple steps (pointermove events)
+		// Move mouse to target position with multiple steps (pointermove events)
 		await _user.Mouse.MoveAsync(targetX, targetY, new() { Steps = 15 });
 
-		// 4. Release mouse button (pointerup event)
+		// Release mouse button (pointerup event)
 		await _user.Mouse.UpAsync();
 
 		// Wait for the UI to update after drag
@@ -316,7 +318,11 @@ public async Task DeleteConnection(string sourceNodeName, string sourcePortName,
 
 	public async Task TakeScreenshot(string fileName)
 	{
-		await _user.ScreenshotAsync(new() { Path = fileName });
+		var screenshotPath = fileName;
+		if (OperatingSystem.IsWindows() && fileName.StartsWith("/tmp/", StringComparison.Ordinal))
+			screenshotPath = Path.Combine(Path.GetTempPath(), fileName["/tmp/".Length..]);
+
+		await _user.ScreenshotAsync(new() { Path = screenshotPath });
 	}
 
 	// Advanced Node Operations

src/NodeDev.EndToEndTests/Tests/LambdaRegionTests.cs

@@ -40,13 +40,15 @@ public async Task CreateFunc_ShowsLiveRegionBodyAndSignatureControls()
 		var rebuiltRegion = Page.Locator("[data-test-id='lambda-region']").Last;
 		await rebuiltRegion.Locator("[data-test-id='lambda-parameter']").WaitForAsync(new() { State = WaitForSelectorState.Visible });
 
-		await HomePage.SearchForNodes("TypeOf");
-		await HomePage.AddNodeFromSearch("TypeOf");
+		// CreateFunc now has a bool result by default, so use a compatible root-scope
+		// output to exercise automatic capture across the lambda boundary.
+		await HomePage.SearchForNodes("And");
+		await HomePage.AddNodeFromSearch("And");
 		var sourcePort = Page
-			.Locator("[data-test-id='graph-node'][data-test-node-name='TypeOf']")
+			.Locator("[data-test-id='graph-node'][data-test-node-name='And']")
 			.Last
 			.Locator(".col.output")
-			.Filter(new() { HasText = "Type" })
+			.Filter(new() { HasText = "c" })
 			.Locator(".diagram-port")
 			.First;
 		var resultPort = rebuiltRegion

src/NodeDev.Tests/GraphPortModelTests.cs

@@ -55,7 +55,7 @@ public void MinimumSizeGroup_KeepsWorkspaceWhileChildrenMoveInsideIt()
 
 		child.SetPosition(520, 250);
 
-		Assert.Equal(710, group.Size.Width);
+		Assert.Equal(520 + 100 + (double)LambdaGroupModel.FuncPadding, group.Size.Width);
 		Assert.Equal(420, group.Size.Height);
 	}
 

src/NodeDev.Tests/LambdaRegionTests.cs

@@ -9,6 +9,19 @@ namespace NodeDev.Tests;
 
 public class LambdaRegionTests
 {
+	[Fact]
+	public void CreateFunc_DefaultsResultTypeToBool()
+	{
+		var (_, method, _) = CreateMethod<int>("Run");
+		var graph = method.Graph;
+		var func = AddDelegate<CreateFuncNode>(graph);
+		var lambdaReturn = Assert.Single(graph.GetNodesInScope(func.BodyScopeId).OfType<LambdaReturnNode>());
+
+		Assert.Equal(graph.Project.TypeFactory.Get<bool>(), func.ResultType);
+		Assert.Equal(typeof(Func<bool>), func.DelegateType.MakeRealType());
+		Assert.Equal(func.ResultType, lambdaReturn.ResultInput.Type);
+	}
+
 	[Fact]
 	public void CreateFunc_CreatesScopedEntryAndReturn_AndProjectsSignature()
 	{