🧪 Add NetworkModelCloneUtilityTests

tests/MedWNetworkSim.Tests/MedWNetworkSim.Tests.csproj

@@ -7,6 +7,7 @@
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.11.1" />
+    <PackageReference Include="SkiaSharp.NativeAssets.Linux.NoDependencies" Version="3.119.0" />
     <PackageReference Include="xunit" Version="2.9.2" />
     <PackageReference Include="xunit.runner.visualstudio" Version="2.8.2" />
   </ItemGroup>

tests/MedWNetworkSim.Tests/NetworkModelCloneUtilityTests.cs

@@ -0,0 +1,78 @@
+using System.Collections.Generic;
+using Xunit;
+using MedWNetworkSim.App.Models;
+using MedWNetworkSim.App.Services;
+using MedWNetworkSim.App.Agents;
+
+namespace MedWNetworkSim.Tests;
+
+public class NetworkModelCloneUtilityTests
+{
+    [Fact]
+    public void Clone_ReturnsNewInstance()
+    {
+        var original = new NetworkModel();
+        var cloned = NetworkModelCloneUtility.Clone(original);
+
+        Assert.NotSame(original, cloned);
+    }
+
+    [Fact]
+    public void Clone_CopiesSerializedProperties()
+    {
+        var original = new NetworkModel
+        {
+            Name = "Test Network",
+            Description = "A test network",
+            SimulationSeed = 42,
+            Nodes = new List<NodeModel>
+            {
+                new NodeModel { Id = "Node1", Name = "First Node" }
+            },
+            Edges = new List<EdgeModel>
+            {
+                new EdgeModel { Id = "Edge1", FromNodeId = "Node1", ToNodeId = "Node2" }
+            }
+        };
+
+        var cloned = NetworkModelCloneUtility.Clone(original);
+
+        Assert.Equal("Test Network", cloned.Name);
+        Assert.Equal("A test network", cloned.Description);
+        Assert.Equal(42, cloned.SimulationSeed);
+
+        Assert.Single(cloned.Nodes);
+        Assert.Equal("Node1", cloned.Nodes[0].Id);
+        Assert.Equal("First Node", cloned.Nodes[0].Name);
+
+        Assert.Single(cloned.Edges);
+        Assert.Equal("Edge1", cloned.Edges[0].Id);
+        Assert.Equal("Node1", cloned.Edges[0].FromNodeId);
+        Assert.Equal("Node2", cloned.Edges[0].ToNodeId);
+
+        // Ensure lists are new instances too
+        Assert.NotSame(original.Nodes, cloned.Nodes);
+        Assert.NotSame(original.Edges, cloned.Edges);
+    }
+
+    [Fact]
+    public void Clone_IgnoresJsonIgnoreProperties()
+    {
+        var original = new NetworkModel
+        {
+            AgentMode = AgentMode.SellLocal,
+            ActorTick = 100,
+            Actors = new List<SimulationActorState>
+            {
+                new SimulationActorState { Id = "Actor1" }
+            }
+        };
+
+        var cloned = NetworkModelCloneUtility.Clone(original);
+
+        // Verify [JsonIgnore] properties are NOT cloned and retain their default values
+        Assert.Equal(AgentMode.Off, cloned.AgentMode); // Default is Off
+        Assert.Equal(0, cloned.ActorTick); // Default is 0
+        Assert.Empty(cloned.Actors); // Default is empty list
+    }
+}