refactor: AdminApi 剔除租户侧能力

tests/TakeoutSaaS.Integration.Tests/Performance/AnnouncementQueryPerformanceTests.cs

@@ -9,15 +9,17 @@ using TakeoutSaaS.Integration.Tests.Fixtures;
 
 namespace TakeoutSaaS.Integration.Tests.Performance;
 
+/// <summary>
+/// 公告查询性能相关测试。
+/// </summary>
 public sealed class AnnouncementQueryPerformanceTests
 {
     [Fact]
     public async Task GivenLargeDataset_WhenQueryingAnnouncements_ThenCompletesWithinThreshold()
     {
-        // Arrange
+        // 1. 准备
         using var database = new SqliteTestDatabase();
         using var context = database.CreateContext(tenantId: 900);
-
         var announcements = new List<TenantAnnouncement>();
         for (var i = 0; i < 1000; i++)
         {
@@ -45,30 +47,21 @@ public sealed class AnnouncementQueryPerformanceTests
         context.TenantAnnouncements.AddRange(announcements);
         await context.SaveChangesAsync();
         context.ChangeTracker.Clear();
-
         var announcementRepository = new EfTenantAnnouncementRepository(context);
-        var readRepository = new EfTenantAnnouncementReadRepository(context);
-        var tenantProvider = new TestTenantProvider(900);
-        var handler = new GetTenantsAnnouncementsQueryHandler(
-            announcementRepository,
-            readRepository,
-            tenantProvider);
-
+        var handler = new GetTenantsAnnouncementsQueryHandler(announcementRepository);
         var query = new GetTenantsAnnouncementsQuery
         {
+            TenantId = 900,
             Page = 1,
             PageSize = 50
         };
 
-        // Act
+        // 2. (空行后) 执行
         var stopwatch = Stopwatch.StartNew();
         var result = await handler.Handle(query, CancellationToken.None);
         stopwatch.Stop();
 
-        // Assert
-        // 注意：由于性能优化，TotalCount 不再是精确的全局总数，
-        // 而是基于估算查询限制（page * size * 3）过滤后的结果数
-        // 这是性能优化的权衡：牺牲精确性换取性能
+        // 3. (空行后) 断言：TotalCount 为估算口径（page * size * 3）过滤后的数量
         result.Items.Count.Should().Be(50);  // 请求的页大小
         result.TotalCount.Should().BeLessThanOrEqualTo(150);  // 最多是 estimatedLimit
         result.TotalCount.Should().BeGreaterThan(0);  // 至少有一些结果