/*
┌──────────────────────────────────────────────────────────────────┐
│ Author: Ivan Murzak (https://github.com/IvanMurzak) │
│ Repository: GitHub (https://github.com/IvanMurzak/Unity-MCP) │
│ Copyright (c) 2025 Ivan Murzak │
│ Licensed under the Apache License, Version 2.0. │
│ See the LICENSE file in the project root for more information. │
└──────────────────────────────────────────────────────────────────┘
*/
#nullable enable
using com.IvanMurzak.Unity.MCP.Editor.Utils;
using NUnit.Framework;
using UnityEngine;
namespace com.IvanMurzak.Unity.MCP.Editor.Tests
{
public class BuiltInAssetCacheTests : BaseTest
{
[Test]
public void FindAsset_Knob_AsSprite_ReturnsSprite()
{
var result = BuiltInAssetCache.FindAsset("Knob", typeof(Sprite));
Assert.IsNotNull(result, "Should find a built-in asset named 'Knob' of type Sprite");
Assert.IsInstanceOf<Sprite>(result, $"Result should be Sprite but was {result?.GetType().Name}");
Assert.AreEqual("Knob", result!.name, "Asset name should be 'Knob'");
}
[Test]
public void FindAsset_Knob_AsTexture2D_ReturnsTexture2D()
{
var result = BuiltInAssetCache.FindAsset("Knob", typeof(Texture2D));
Assert.IsNotNull(result, "Should find a built-in asset named 'Knob' of type Texture2D");
Assert.IsInstanceOf<Texture2D>(result, $"Result should be Texture2D but was {result?.GetType().Name}");
Assert.AreEqual("Knob", result!.name, "Asset name should be 'Knob'");
}
[Test]
public void FindAsset_Knob_SpriteAndTexture2D_AreDifferentObjects()
{
var sprite = BuiltInAssetCache.FindAsset("Knob", typeof(Sprite));
var texture = BuiltInAssetCache.FindAsset("Knob", typeof(Texture2D));
Assert.IsNotNull(sprite, "Should find Sprite named 'Knob'");
Assert.IsNotNull(texture, "Should find Texture2D named 'Knob'");
Assert.AreNotSame(sprite, texture, "Sprite and Texture2D should be different objects");
Assert.AreNotEqual(sprite!.GetType(), texture!.GetType(), "Types should be different");
}
[Test]
public void FindAssetByExtension_KnownBuiltIn_ReturnsAsset()
{
// "Default-Material" is a standard built-in asset in Unity editor resources
var result = BuiltInAssetCache.FindAssetByExtension("Default-Material", ".mat");
// Result might be null in some headless environments, but generally should pass in Editor
if (result != null)
{
Assert.AreEqual("Default-Material", result.name);
Assert.IsInstanceOf<Material>(result);
}
var mismatch = BuiltInAssetCache.FindAssetByExtension("Default-Material", ".shader");
Assert.IsNull(mismatch);
}
[Test]
public void FindAssetByExtension_NullOrEmptyExtension_ReturnsAnyMatch()
{
var result = BuiltInAssetCache.FindAssetByExtension("Default-Material", null);
if (result != null)
{
Assert.AreEqual("Default-Material", result.name);
}
}
}
}
