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refactor: AdminApi 剔除租户侧能力

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MSuMshk
2026-01-29 23:24:44 +00:00
parent 71e5a9dc29
commit 4f8424adb6
139 changed files with 622 additions and 4691 deletions
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108
tests/TakeoutSaaS.Application.Tests/App/Tenants/Handlers/GetAnnouncementByIdQueryHandlerTests.cs
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@@ -5,118 +5,50 @@ using TakeoutSaaS.Application.App.Tenants.Queries;
using TakeoutSaaS.Application.Tests.TestUtilities;
using TakeoutSaaS.Domain.Tenants.Entities;
using TakeoutSaaS.Domain.Tenants.Repositories;
using TakeoutSaaS.Shared.Abstractions.Security;
using TakeoutSaaS.Shared.Abstractions.Tenancy;
namespace TakeoutSaaS.Application.Tests.App.Tenants.Handlers;
/// <summary>
/// <see cref="GetAnnouncementByIdQueryHandler"/> 单元测试。
/// </summary>
public sealed class GetAnnouncementByIdQueryHandlerTests
{
[Fact]
public async Task GivenAnnouncementMissing_WhenHandle_ThenReturnsNull()
{
// Arrange
var tenantProvider = new Mock<ITenantProvider>();
tenantProvider.Setup(x => x.GetCurrentTenantId()).Returns(99);
// 1. 准备
var announcementRepository = new Mock<ITenantAnnouncementRepository>();
announcementRepository
.Setup(x => x.FindByIdInScopeAsync(99, 500, It.IsAny<CancellationToken>()))
.Setup(x => x.FindByIdAsync(99, 500, It.IsAny<CancellationToken>()))
.ReturnsAsync((TenantAnnouncement?)null);
var readRepository = new Mock<ITenantAnnouncementReadRepository>();
// 2. (空行后) 执行
var handler = new GetAnnouncementByIdQueryHandler(announcementRepository.Object);
var result = await handler.Handle(new GetAnnouncementByIdQuery { TenantId = 99, AnnouncementId = 500 }, CancellationToken.None);
var handler = new GetAnnouncementByIdQueryHandler(
announcementRepository.Object,
readRepository.Object,
tenantProvider.Object);
// Act
var result = await handler.Handle(new GetAnnouncementByIdQuery { AnnouncementId = 500 }, CancellationToken.None);
// Assert
// 3. (空行后) 断言
result.Should().BeNull();
}
[Fact]
public async Task GivenTargetNotMatched_WhenHandle_ThenReturnsNullAndSkipsReadLookup()
public async Task GivenAnnouncementExists_WhenHandle_ThenReturnsDtoWithoutReadState()
{
// Arrange
var tenantProvider = new Mock<ITenantProvider>();
tenantProvider.Setup(x => x.GetCurrentTenantId()).Returns(100);
var currentUserAccessor = new Mock<ICurrentUserAccessor>();
currentUserAccessor.SetupGet(x => x.UserId).Returns(123);
currentUserAccessor.SetupGet(x => x.IsAuthenticated).Returns(true);
var announcement = AnnouncementTestData.CreateAnnouncement(1, 100, 1, DateTime.UtcNow);
announcement.TargetType = "SPECIFIC_USERS";
announcement.TargetParameters = "{\"userIds\":[999]}";
var announcementRepository = new Mock<ITenantAnnouncementRepository>();
announcementRepository
.Setup(x => x.FindByIdInScopeAsync(100, 1, It.IsAny<CancellationToken>()))
.ReturnsAsync(announcement);
var readRepository = new Mock<ITenantAnnouncementReadRepository>();
var handler = new GetAnnouncementByIdQueryHandler(
announcementRepository.Object,
readRepository.Object,
tenantProvider.Object,
currentUserAccessor.Object);
// Act
var result = await handler.Handle(new GetAnnouncementByIdQuery { AnnouncementId = 1 }, CancellationToken.None);
// Assert
result.Should().BeNull();
readRepository.Verify(x => x.GetByAnnouncementAsync(
It.IsAny<long>(),
It.IsAny<IEnumerable<long>>(),
It.IsAny<long?>(),
It.IsAny<CancellationToken>()), Times.Never);
}
[Fact]
public async Task GivenUserReadRecord_WhenHandle_ThenReturnsDtoWithReadState()
{
// Arrange
var tenantProvider = new Mock<ITenantProvider>();
tenantProvider.Setup(x => x.GetCurrentTenantId()).Returns(200);
var currentUserAccessor = new Mock<ICurrentUserAccessor>();
currentUserAccessor.SetupGet(x => x.UserId).Returns(321);
currentUserAccessor.SetupGet(x => x.IsAuthenticated).Returns(true);
// 1. 准备
var announcement = AnnouncementTestData.CreateAnnouncement(10, 200, 1, DateTime.UtcNow);
var readAt = DateTime.UtcNow.AddMinutes(-3);
var announcementRepository = new Mock<ITenantAnnouncementRepository>();
announcementRepository
.Setup(x => x.FindByIdInScopeAsync(200, 10, It.IsAny<CancellationToken>()))
.Setup(x => x.FindByIdAsync(200, 10, It.IsAny<CancellationToken>()))
.ReturnsAsync(announcement);
var readRepository = new Mock<ITenantAnnouncementReadRepository>();
readRepository
.Setup(x => x.GetByAnnouncementAsync(200, It.IsAny<IEnumerable<long>>(), 321, It.IsAny<CancellationToken>()))
.ReturnsAsync(new List<TenantAnnouncementRead>
{
new() { AnnouncementId = 10, TenantId = 200, UserId = 321, ReadAt = readAt }
});
// 2. (空行后) 执行
var handler = new GetAnnouncementByIdQueryHandler(announcementRepository.Object);
var result = await handler.Handle(new GetAnnouncementByIdQuery { TenantId = 200, AnnouncementId = 10 }, CancellationToken.None);
var handler = new GetAnnouncementByIdQueryHandler(
announcementRepository.Object,
readRepository.Object,
tenantProvider.Object,
currentUserAccessor.Object);
// Act
var result = await handler.Handle(new GetAnnouncementByIdQuery { AnnouncementId = 10 }, CancellationToken.None);
// Assert
// 3. (空行后) 断言
result.Should().NotBeNull();
result!.IsRead.Should().BeTrue();
result.ReadAt.Should().BeCloseTo(readAt, TimeSpan.FromSeconds(1));
result!.Id.Should().Be(announcement.Id);
result.TenantId.Should().Be(announcement.TenantId);
result.IsRead.Should().BeFalse();
result.ReadAt.Should().BeNull();
}
}

73
tests/TakeoutSaaS.Application.Tests/App/Tenants/Handlers/GetTenantsAnnouncementsQueryHandlerTests.cs
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@@ -4,24 +4,18 @@ using TakeoutSaaS.Application.App.Tenants.Handlers;
using TakeoutSaaS.Application.App.Tenants.Queries;
using TakeoutSaaS.Application.Tests.TestUtilities;
using TakeoutSaaS.Domain.Tenants.Repositories;
using TakeoutSaaS.Shared.Abstractions.Security;
using TakeoutSaaS.Shared.Abstractions.Tenancy;
namespace TakeoutSaaS.Application.Tests.App.Tenants.Handlers;
/// <summary>
/// <see cref="GetTenantsAnnouncementsQueryHandler"/> 单元测试。
/// </summary>
public sealed class GetTenantsAnnouncementsQueryHandlerTests
{
[Fact]
public async Task GivenQuery_WhenHandle_ThenUsesTenantProviderAndOrdersAndPaginates()
public async Task GivenQuery_WhenHandle_ThenOrdersAndPaginates()
{
// Arrange
var tenantProvider = new Mock<ITenantProvider>();
tenantProvider.Setup(x => x.GetCurrentTenantId()).Returns(42);
var currentUserAccessor = new Mock<ICurrentUserAccessor>();
currentUserAccessor.SetupGet(x => x.UserId).Returns(0);
currentUserAccessor.SetupGet(x => x.IsAuthenticated).Returns(false);
// 1. 准备
var announcements = new List<TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement>
{
AnnouncementTestData.CreateAnnouncement(1, 42, priority: 1, effectiveFrom: DateTime.UtcNow.AddDays(-1)),
@@ -30,12 +24,11 @@ public sealed class GetTenantsAnnouncementsQueryHandlerTests
AnnouncementTestData.CreateAnnouncement(4, 42, priority: 0, effectiveFrom: DateTime.UtcNow)
};
// 模拟数据库端排序：按 priority DESC, effectiveFrom DESC
// 2. (空行后) 模拟数据库端排序：按 priority DESC, effectiveFrom DESC
var sortedAnnouncements = announcements
.OrderByDescending(x => x.Priority)
.ThenByDescending(x => x.EffectiveFrom)
.ToList();
var announcementRepository = new Mock<ITenantAnnouncementRepository>();
announcementRepository
.Setup(x => x.SearchAsync(
@@ -52,34 +45,19 @@ public sealed class GetTenantsAnnouncementsQueryHandlerTests
It.IsAny<CancellationToken>()))
.ReturnsAsync(sortedAnnouncements);
var announcementReadRepository = new Mock<ITenantAnnouncementReadRepository>();
announcementReadRepository
.Setup(x => x.GetByAnnouncementAsync(
It.IsAny<long>(),
It.IsAny<IEnumerable<long>>(),
It.IsAny<long?>(),
It.IsAny<CancellationToken>()))
.ReturnsAsync(Array.Empty<TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead>());
var handler = new GetTenantsAnnouncementsQueryHandler(
announcementRepository.Object,
announcementReadRepository.Object,
tenantProvider.Object,
currentUserAccessor.Object);
// 3. (空行后) 执行
var handler = new GetTenantsAnnouncementsQueryHandler(announcementRepository.Object);
var query = new GetTenantsAnnouncementsQuery
{
TenantId = 999,
TenantId = 42,
Page = 2,
PageSize = 2
};
// Act
var result = await handler.Handle(query, CancellationToken.None);
// Assert
// 4. (空行后) 断言
announcementRepository.Verify(x => x.SearchAsync(
42,
query.TenantId,
query.Keyword,
query.Status,
query.AnnouncementType,
@@ -100,22 +78,16 @@ public sealed class GetTenantsAnnouncementsQueryHandlerTests
[Fact]
public async Task GivenOnlyEffective_WhenHandle_ThenFiltersScheduledPublish()
{
// Arrange
var tenantProvider = new Mock<ITenantProvider>();
tenantProvider.Setup(x => x.GetCurrentTenantId()).Returns(42);
// 1. 准备
var announcement1 = AnnouncementTestData.CreateAnnouncement(1, 42, priority: 1, effectiveFrom: DateTime.UtcNow.AddDays(-1));
announcement1.ScheduledPublishAt = DateTime.UtcNow.AddMinutes(-10);
var announcement2 = AnnouncementTestData.CreateAnnouncement(2, 42, priority: 1, effectiveFrom: DateTime.UtcNow.AddDays(-1));
announcement2.ScheduledPublishAt = DateTime.UtcNow.AddMinutes(30);
var announcements = new List<TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement>
{
announcement1,
announcement2
};
var announcementRepository = new Mock<ITenantAnnouncementRepository>();
announcementRepository
.Setup(x => x.SearchAsync(
@@ -132,31 +104,18 @@ public sealed class GetTenantsAnnouncementsQueryHandlerTests
It.IsAny<CancellationToken>()))
.ReturnsAsync(announcements);
var announcementReadRepository = new Mock<ITenantAnnouncementReadRepository>();
announcementReadRepository
.Setup(x => x.GetByAnnouncementAsync(
It.IsAny<long>(),
It.IsAny<IEnumerable<long>>(),
It.IsAny<long?>(),
It.IsAny<CancellationToken>()))
.ReturnsAsync(Array.Empty<TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncementRead>());
var handler = new GetTenantsAnnouncementsQueryHandler(
announcementRepository.Object,
announcementReadRepository.Object,
tenantProvider.Object);
// 2. (空行后) 执行
var handler = new GetTenantsAnnouncementsQueryHandler(announcementRepository.Object);
var query = new GetTenantsAnnouncementsQuery
{
TenantId = 42,
OnlyEffective = true,
Page = 1,
PageSize = 10
};
// Act
var result = await handler.Handle(query, CancellationToken.None);
// Assert
// 3. (空行后) 断言
result.Items.Should().ContainSingle();
result.Items[0].Id.Should().Be(1);
}

72
tests/TakeoutSaaS.Application.Tests/App/Tenants/Handlers/GetUnreadAnnouncementsQueryHandlerTests.cs
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@@ -1,72 +0,0 @@
using FluentAssertions;
using Moq;
using TakeoutSaaS.Application.App.Tenants.Handlers;
using TakeoutSaaS.Application.App.Tenants.Queries;
using TakeoutSaaS.Application.Tests.TestUtilities;
using TakeoutSaaS.Domain.Tenants.Enums;
using TakeoutSaaS.Domain.Tenants.Repositories;
using TakeoutSaaS.Shared.Abstractions.Security;
using TakeoutSaaS.Shared.Abstractions.Tenancy;
namespace TakeoutSaaS.Application.Tests.App.Tenants.Handlers;
public sealed class GetUnreadAnnouncementsQueryHandlerTests
{
[Fact]
public async Task GivenUnreadAnnouncements_WhenHandle_ThenUsesTenantProviderAndPaginates()
{
// Arrange
var tenantProvider = new Mock<ITenantProvider>();
tenantProvider.Setup(x => x.GetCurrentTenantId()).Returns(55);
var currentUserAccessor = new Mock<ICurrentUserAccessor>();
currentUserAccessor.SetupGet(x => x.UserId).Returns(0);
currentUserAccessor.SetupGet(x => x.IsAuthenticated).Returns(false);
var announcements = new List<TakeoutSaaS.Domain.Tenants.Entities.TenantAnnouncement>
{
AnnouncementTestData.CreateAnnouncement(1, 55, priority: 1, effectiveFrom: DateTime.UtcNow.AddDays(-1), status: AnnouncementStatus.Published),
AnnouncementTestData.CreateAnnouncement(2, 55, priority: 3, effectiveFrom: DateTime.UtcNow.AddDays(-2), status: AnnouncementStatus.Published),
AnnouncementTestData.CreateAnnouncement(3, 55, priority: 2, effectiveFrom: DateTime.UtcNow, status: AnnouncementStatus.Published)
};
var announcementRepository = new Mock<ITenantAnnouncementRepository>();
announcementRepository
.Setup(x => x.SearchUnreadAsync(
It.IsAny<long>(),
It.IsAny<long?>(),
It.IsAny<AnnouncementStatus?>(),
It.IsAny<bool?>(),
It.IsAny<DateTime?>(),
It.IsAny<CancellationToken>()))
.ReturnsAsync(announcements);
var handler = new GetUnreadAnnouncementsQueryHandler(
announcementRepository.Object,
tenantProvider.Object,
currentUserAccessor.Object);
var query = new GetUnreadAnnouncementsQuery
{
Page = 1,
PageSize = 2
};
// Act
var result = await handler.Handle(query, CancellationToken.None);
// Assert
announcementRepository.Verify(x => x.SearchUnreadAsync(
55,
null,
AnnouncementStatus.Published,
true,
It.IsAny<DateTime?>(),
It.IsAny<CancellationToken>()), Times.Once);
result.Items.Select(x => x.Id).Should().Equal(2, 3);
result.TotalCount.Should().Be(3);
result.Page.Should().Be(1);
result.PageSize.Should().Be(2);
}
}

33
tests/TakeoutSaaS.Integration.Tests/App/Tenants/AnnouncementWorkflowTests.cs
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@@ -13,12 +13,15 @@ using TakeoutSaaS.Shared.Abstractions.Exceptions;
namespace TakeoutSaaS.Integration.Tests.App.Tenants;
/// <summary>
/// 公告工作流集成测试。
/// </summary>
public sealed class AnnouncementWorkflowTests
{
[Fact]
public async Task GivenDraftAnnouncement_WhenPublish_ThenStatusIsPublishedAndActive()
{
// Arrange
// 1. 准备
using var database = new SqliteTestDatabase();
using var context = database.CreateContext(tenantId: 100, userId: 11);
@@ -28,18 +31,18 @@ public sealed class AnnouncementWorkflowTests
context.ChangeTracker.Clear();
var repository = new EfTenantAnnouncementRepository(context);
var tenantProvider = new TestTenantProvider(100);
var eventPublisher = new Mock<IEventPublisher>();
var handler = new PublishAnnouncementCommandHandler(repository, tenantProvider, eventPublisher.Object);
var handler = new PublishAnnouncementCommandHandler(repository, eventPublisher.Object);
// Act
// 2. (空行后) 执行
var result = await handler.Handle(new PublishAnnouncementCommand
{
TenantId = 100,
AnnouncementId = announcement.Id,
RowVersion = announcement.RowVersion
}, CancellationToken.None);
// Assert
// 3. (空行后) 断言
result.Should().NotBeNull();
result!.Status.Should().Be(AnnouncementStatus.Published);
result.IsActive.Should().BeTrue();
@@ -53,7 +56,7 @@ public sealed class AnnouncementWorkflowTests
[Fact]
public async Task GivenPublishedAnnouncement_WhenRevoke_ThenStatusIsRevokedAndInactive()
{
// Arrange
// 1. 准备
using var database = new SqliteTestDatabase();
using var context = database.CreateContext(tenantId: 200, userId: 11);
@@ -64,18 +67,18 @@ public sealed class AnnouncementWorkflowTests
context.ChangeTracker.Clear();
var repository = new EfTenantAnnouncementRepository(context);
var tenantProvider = new TestTenantProvider(200);
var eventPublisher = new Mock<IEventPublisher>();
var handler = new RevokeAnnouncementCommandHandler(repository, tenantProvider, eventPublisher.Object);
var handler = new RevokeAnnouncementCommandHandler(repository, eventPublisher.Object);
// Act
// 2. (空行后) 执行
var result = await handler.Handle(new RevokeAnnouncementCommand
{
TenantId = 200,
AnnouncementId = announcement.Id,
RowVersion = announcement.RowVersion
}, CancellationToken.None);
// Assert
// 3. (空行后) 断言
result.Should().NotBeNull();
result!.Status.Should().Be(AnnouncementStatus.Revoked);
result.IsActive.Should().BeFalse();
@@ -89,7 +92,7 @@ public sealed class AnnouncementWorkflowTests
[Fact]
public async Task GivenRevokedAnnouncement_WhenPublish_ThenRepublishAndClearRevokedAt()
{
// Arrange
// 1. 准备
using var database = new SqliteTestDatabase();
using var context = database.CreateContext(tenantId: 300, userId: 11);
@@ -101,18 +104,18 @@ public sealed class AnnouncementWorkflowTests
context.ChangeTracker.Clear();
var repository = new EfTenantAnnouncementRepository(context);
var tenantProvider = new TestTenantProvider(300);
var eventPublisher = new Mock<IEventPublisher>();
var handler = new PublishAnnouncementCommandHandler(repository, tenantProvider, eventPublisher.Object);
var handler = new PublishAnnouncementCommandHandler(repository, eventPublisher.Object);
// Act
// 2. (空行后) 执行
var result = await handler.Handle(new PublishAnnouncementCommand
{
TenantId = 300,
AnnouncementId = announcement.Id,
RowVersion = announcement.RowVersion
}, CancellationToken.None);
// Assert
// 3. (空行后) 断言
result.Should().NotBeNull();
result!.Status.Should().Be(AnnouncementStatus.Published);
result.IsActive.Should().BeTrue();

15
tests/TakeoutSaaS.Integration.Tests/Fixtures/DictionarySqliteTestDatabase.cs
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@@ -4,9 +4,13 @@ using TakeoutSaaS.Infrastructure.Dictionary.Persistence;
namespace TakeoutSaaS.Integration.Tests.Fixtures;
/// <summary>
/// 集成测试用 SQLite 内存数据库（字典库）。
/// </summary>
public sealed class DictionarySqliteTestDatabase : IDisposable
{
private readonly SqliteConnection _connection;
private readonly TestIdGenerator _idGenerator = new();
private bool _initialized;
public DictionarySqliteTestDatabase()
@@ -24,10 +28,14 @@ public sealed class DictionarySqliteTestDatabase : IDisposable
public DictionaryDbContext CreateContext(long tenantId, long userId = 0)
{
EnsureCreated();
// 1. AdminApi 不使用租户上下文；tenantId 参数仅用于兼容测试调用方签名
_ = tenantId;
// 2. (空行后) 按需注入当前用户与 ID 生成器
return new DictionaryDbContext(
Options,
new TestTenantProvider(tenantId),
userId == 0 ? null : new TestCurrentUserAccessor(userId));
userId == 0 ? null : new TestCurrentUserAccessor(userId),
_idGenerator);
}
public void EnsureCreated()
@@ -37,7 +45,8 @@ public sealed class DictionarySqliteTestDatabase : IDisposable
return;
}
using var context = new DictionaryDbContext(Options, new TestTenantProvider(1));
// 1. 创建并初始化数据库结构
using var context = new DictionaryDbContext(Options, idGenerator: _idGenerator);
context.Database.EnsureCreated();
_initialized = true;
}

16
tests/TakeoutSaaS.Integration.Tests/Fixtures/SqliteTestDatabase.cs
View File

@@ -4,9 +4,13 @@ using TakeoutSaaS.Infrastructure.App.Persistence;
namespace TakeoutSaaS.Integration.Tests.Fixtures;
/// <summary>
/// 集成测试用 SQLite 内存数据库（业务主库）。
/// </summary>
public sealed class SqliteTestDatabase : IDisposable
{
private readonly SqliteConnection _connection;
private readonly TestIdGenerator _idGenerator = new();
private bool _initialized;
public SqliteTestDatabase()
@@ -24,7 +28,14 @@ public sealed class SqliteTestDatabase : IDisposable
public TakeoutAdminDbContext CreateContext(long tenantId, long userId = 0)
{
EnsureCreated();
return new TakeoutAdminDbContext(Options, new TestTenantProvider(tenantId), new TestCurrentUserAccessor(userId));
// 1. AdminApi 不使用租户上下文；tenantId 参数仅用于兼容测试调用方签名
_ = tenantId;
// 2. (空行后) 按需注入当前用户与 ID 生成器
return new TakeoutAdminDbContext(
Options,
userId == 0 ? null : new TestCurrentUserAccessor(userId),
_idGenerator);
}
public void EnsureCreated()
@@ -34,7 +45,8 @@ public sealed class SqliteTestDatabase : IDisposable
return;
}
using var context = new TakeoutAdminDbContext(Options, new TestTenantProvider(1));
// 1. 创建并初始化数据库结构
using var context = new TakeoutAdminDbContext(Options, idGenerator: _idGenerator);
context.Database.EnsureCreated();
_initialized = true;
}

20
tests/TakeoutSaaS.Integration.Tests/Fixtures/TestIdGenerator.cs Normal file
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@@ -0,0 +1,20 @@
using System.Threading;
using TakeoutSaaS.Shared.Abstractions.Ids;
namespace TakeoutSaaS.Integration.Tests.Fixtures;
/// <summary>
/// 集成测试用雪花 ID 生成器（递增模拟）。
/// </summary>
public sealed class TestIdGenerator : IIdGenerator
{
private long _current;
/// <summary>
/// 生成下一个 ID。
/// </summary>
/// <returns>递增的 long ID。</returns>
public long NextId()
=> Interlocked.Increment(ref _current);
}

23
tests/TakeoutSaaS.Integration.Tests/Performance/AnnouncementQueryPerformanceTests.cs
View File

@@ -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