test: 更新单元测试

Author: ArgoZhang

src/BootstrapBlazor/Services/ClipboardService.cs

@@ -18,10 +18,10 @@ public class ClipboardService(IJSRuntime jSRuntime)
     /// <summary>
     /// 获取剪切板数据方法
     /// </summary>
-    public async Task<List<ClipboardItem>?> Get(CancellationToken token = default)
+    public async Task<List<ClipboardItem>> Get(CancellationToken token = default)
     {
         _module ??= await LoadModule();
-        return await _module.InvokeAsync<List<ClipboardItem>?>("getAllClipboardContents", token);
+        return await _module.InvokeAsync<List<ClipboardItem>?>("getAllClipboardContents", token) ?? [];
     }
 
     /// <summary>

test/UnitTest/Services/ClipboardServiceTest.cs

@@ -12,57 +12,41 @@ public class ClipboardServiceTest : BootstrapBlazorTestBase
     [Fact]
     public async Task Clipboard_Ok()
     {
-        var cut = Context.RenderComponent<MockClipboard>();
-        await cut.Instance.Copy(null, () => Task.CompletedTask);
-        await cut.Instance.Copy("Test", () => Task.CompletedTask);
+        var service = Context.Services.GetRequiredService<ClipboardService>();
+        await service.Copy(null, () => Task.CompletedTask);
+        await service.Copy("Test", () => Task.CompletedTask);
     }
 
     [Fact]
     public async Task GetText()
     {
         Context.JSInterop.Setup<string?>("getTextFromClipboard").SetResult("test123");
-        var cut = Context.RenderComponent<MockClipboard>();
+        var service = Context.Services.GetRequiredService<ClipboardService>();
 
-        var text = await cut.Instance.GetText();
+        var text = await service.GetText();
         Assert.Equal("test123", text);
-        await cut.Instance.GetText();
+        await service.GetText();
     }
 
     [Fact]
     public async Task Get()
     {
         Context.JSInterop.Setup<List<ClipboardItem>?>("getAllClipboardContents").SetResult([new() { Data = [0x31, 0x32, 0x33], MimeType = "text/text" }]);
-        var cut = Context.RenderComponent<MockClipboard>();
-        var items = await cut.Instance.Get();
-        Assert.NotNull(items);
+        var service = Context.Services.GetRequiredService<ClipboardService>();
+        var items = await service.Get();
         var item = items[0];
 
         Assert.Equal("123", item.Text);
         Assert.Equal("text/text", item.MimeType);
 
         Context.JSInterop.Setup<List<ClipboardItem>?>("getAllClipboardContents").SetResult([new() { Data = [0x31, 0x32, 0x33] }]);
-        items = await cut.Instance.Get();
-        Assert.NotNull(items);
+        items = await service.Get();
         item = items[0];
         Assert.Empty(item.Text);
 
         Context.JSInterop.Setup<List<ClipboardItem>?>("getAllClipboardContents").SetResult([new()]);
-        items = await cut.Instance.Get();
-        Assert.NotNull(items);
+        items = await service.Get();
         item = items[0];
         Assert.Empty(item.Text);
     }
-
-    private class MockClipboard : ComponentBase
-    {
-        [Inject]
-        [NotNull]
-        public ClipboardService? ClipboardService { get; set; }
-
-        public Task Copy(string? text, Func<Task> callback) => ClipboardService.Copy(text, callback, CancellationToken.None);
-
-        public Task<string?> GetText() => ClipboardService.GetText(CancellationToken.None);
-
-        public Task<List<ClipboardItem>?> Get() => ClipboardService.Get(CancellationToken.None);
-    }
 }