// ============================================================================
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// YooAssetServiceTests.cs — YooAssetService 核心逻辑单元测试
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// 覆盖：初始化状态机、LoadAssetAsync null/invalid 处理、ReleaseHandle 幂等性
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// ============================================================================
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using System;
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using NUnit.Framework;
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using ProjSG.Resource;
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namespace ProjSG.Resource.Tests
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{
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[TestFixture]
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public class YooAssetServiceTests
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{
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private YooAssetService _service;
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[SetUp]
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public void SetUp()
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{
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// 确保每个测试开始时销毁旧实例
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if (YooAssetService.IsValid())
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{
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YooAssetService.Destroy();
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}
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_service = YooAssetService.Instance;
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}
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[TearDown]
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public void TearDown()
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{
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if (YooAssetService.IsValid())
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{
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YooAssetService.Destroy();
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}
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}
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// ====================================================================
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// 初始化状态机测试
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// ====================================================================
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[Test]
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public void IsInitialized_BeforeInit_ReturnsFalse()
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{
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Assert.IsFalse(_service.IsInitialized);
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}
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[Test]
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public void ThrowsIfNotInitialized_LoadAssetAsync()
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{
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// 未初始化时调用加载方法应抛出 InvalidOperationException
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// ThrowIfNotInitialized 在异步方法同步部分抛出，GetAwaiter().GetResult() 会立即重新抛出
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Assert.Throws<InvalidOperationException>(() =>
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{
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_service.LoadAssetAsync<UnityEngine.Object>("test_location").GetAwaiter().GetResult();
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});
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}
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[Test]
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public void ThrowsIfNotInitialized_LoadAssetAsyncByType()
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{
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Assert.Throws<InvalidOperationException>(() =>
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{
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_service.LoadAssetAsync("test_location", typeof(UnityEngine.Object)).GetAwaiter().GetResult();
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});
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}
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[Test]
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public void ThrowsIfNotInitialized_LoadRawFileTextAsync()
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{
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Assert.Throws<InvalidOperationException>(() =>
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{
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_service.LoadRawFileTextAsync("test_location").GetAwaiter().GetResult();
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});
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}
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[Test]
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public void ThrowsIfNotInitialized_LoadRawFileBytesAsync()
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{
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Assert.Throws<InvalidOperationException>(() =>
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{
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_service.LoadRawFileBytesAsync("test_location").GetAwaiter().GetResult();
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});
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}
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[Test]
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public void ThrowsIfNotInitialized_CheckLocationValid()
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{
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Assert.Throws<InvalidOperationException>(() =>
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{
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_service.CheckLocationValid("test_location");
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});
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}
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[Test]
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public void ThrowsIfNotInitialized_GetAssetInfosByTag()
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{
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Assert.Throws<InvalidOperationException>(() =>
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{
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_service.GetAssetInfosByTag("test_tag");
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});
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}
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[Test]
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public void ThrowsIfNotInitialized_IsNeedDownloadFromRemote()
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{
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Assert.Throws<InvalidOperationException>(() =>
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{
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_service.IsNeedDownloadFromRemote("test_location");
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});
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}
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[Test]
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public void ThrowsIfNotInitialized_UnloadUnusedAssetsAsync()
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{
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Assert.Throws<InvalidOperationException>(() =>
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{
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_service.UnloadUnusedAssetsAsync().GetAwaiter().GetResult();
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});
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}
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[Test]
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public void ThrowsIfNotInitialized_UnloadAllAssetsAsync()
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{
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Assert.Throws<InvalidOperationException>(() =>
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{
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_service.UnloadAllAssetsAsync().GetAwaiter().GetResult();
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});
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}
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// ====================================================================
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// ReleaseHandle 幂等性测试
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// ====================================================================
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[Test]
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public void ReleaseHandle_WithNull_DoesNotThrow()
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{
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// ReleaseHandle(null) 应安全返回，不抛异常
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Assert.DoesNotThrow(() =>
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{
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_service.ReleaseHandle(null);
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});
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}
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[Test]
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public void ReleaseHandle_CalledTwiceWithNull_StillDoesNotThrow()
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{
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// 多次调用 null 仍安全
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Assert.DoesNotThrow(() =>
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{
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_service.ReleaseHandle(null);
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_service.ReleaseHandle(null);
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});
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}
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// ====================================================================
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// Singleton 行为测试
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// ====================================================================
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[Test]
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public void Singleton_Instance_ReturnsSameInstance()
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{
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var instance1 = YooAssetService.Instance;
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var instance2 = YooAssetService.Instance;
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Assert.AreSame(instance1, instance2);
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}
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[Test]
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public void Singleton_IsValid_ReturnsTrue()
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{
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_ = YooAssetService.Instance;
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Assert.IsTrue(YooAssetService.IsValid());
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}
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[Test]
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public void Singleton_AfterDestroy_IsValidReturnsFalse()
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{
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_ = YooAssetService.Instance;
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YooAssetService.Destroy();
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Assert.IsFalse(YooAssetService.IsValid());
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}
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[Test]
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public void Singleton_AfterDestroy_NewInstanceCreated()
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{
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var instance1 = YooAssetService.Instance;
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YooAssetService.Destroy();
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var instance2 = YooAssetService.Instance;
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Assert.AreNotSame(instance1, instance2);
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}
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// ====================================================================
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// IYooAssetBridge 接口行为测试
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// ====================================================================
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[Test]
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public void IYooAssetBridge_GetCached_ReturnsNull_BeforeUS4()
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{
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// GetCached 在 US4 集成前返回 null
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IYooAssetBridge bridge = _service;
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var result = bridge.GetCached<UnityEngine.Object>("test_location");
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Assert.IsNull(result);
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}
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[Test]
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public void IYooAssetBridge_IsRegistered_ReturnsFalse_BeforeInit()
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{
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IYooAssetBridge bridge = _service;
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Assert.IsFalse(bridge.IsRegistered);
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}
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}
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}
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