测试覆盖率

WebApi.Test/Budget/BudgetStatsTest.cs

@@ -16,14 +16,13 @@ public class BudgetStatsTest : BaseTest
     private readonly ILogger<BudgetService> _logger = Substitute.For<ILogger<BudgetService>>();
     private readonly IBudgetSavingsService _budgetSavingsService = Substitute.For<IBudgetSavingsService>();
     private readonly IDateTimeProvider _dateTimeProvider = Substitute.For<IDateTimeProvider>();
-    private readonly IBudgetStatsService _budgetStatsService;
     private readonly BudgetService _service;
 
     public BudgetStatsTest()
     {
         _dateTimeProvider.Now.Returns(new DateTime(2024, 1, 15));
         
-        _budgetStatsService = new BudgetStatsService(
+        IBudgetStatsService budgetStatsService = new BudgetStatsService(
             _budgetRepository,
             _budgetArchiveRepository,
             _transactionStatisticsService,
@@ -41,7 +40,7 @@ public class BudgetStatsTest : BaseTest
             _logger,
             _budgetSavingsService,
             _dateTimeProvider,
-            _budgetStatsService
+            budgetStatsService
         );
     }
 
@@ -124,8 +123,7 @@ public class BudgetStatsTest : BaseTest
             Arg.Is<DateTime>(d => d.Year == 2024 && d.Month == 1 && d.Day == 1),
             Arg.Is<DateTime>(d => d.Year == 2024 && d.Month == 1 && d.Day == 31),
             TransactionType.Expense,
-            Arg.Is<List<string>>(list => list.Count == 1 && list.Contains("餐饮")),  // 只包含月度预算的分类
-            false)
+            Arg.Is<List<string>>(list => list.Count == 1 && list.Contains("餐饮")))
             .Returns(new Dictionary<DateTime, decimal>
             {
                 { new DateTime(2024, 1, 15), 800m }  // 1月15日月度吃饭累计800
@@ -281,8 +279,7 @@ public class BudgetStatsTest : BaseTest
             Arg.Is<DateTime>(d => d.Year == 2024 && d.Month == 1),
             Arg.Is<DateTime>(d => d.Year == 2024 && d.Month == 1),
             TransactionType.Expense,
-            Arg.Is<List<string>>(list => list.Count == 3 && list.Contains("餐饮") && list.Contains("零食") && list.Contains("交通")),
-            false)
+            Arg.Is<List<string>>(list => list.Count == 3 && list.Contains("餐饮") && list.Contains("零食") && list.Contains("交通")))
             .Returns(new Dictionary<DateTime, decimal>
             {
                 { new DateTime(2024, 1, 15), 1500m }  // 1月15日累计1500（吃喝1200+交通300，不包含年度旅游2000）
@@ -305,8 +302,7 @@ public class BudgetStatsTest : BaseTest
             Arg.Is<DateTime>(d => d.Year == 2024 && d.Month == 1),
             Arg.Is<DateTime>(d => d.Year == 2024 && d.Month == 1),
             TransactionType.Income,
-            Arg.Any<List<string>>(),
-            false)
+            Arg.Any<List<string>>())
             .Returns(new Dictionary<DateTime, decimal>());  // 月度收入为空
         
         _transactionStatisticsService.GetFilteredTrendStatisticsAsync(

WebApi.Test/Repository/BudgetArchiveRepositoryTest.cs

@@ -0,0 +1,35 @@
+using FluentAssertions;
+
+namespace WebApi.Test.Repository;
+
+public class BudgetArchiveRepositoryTest : RepositoryTestBase
+{
+    private readonly IBudgetArchiveRepository _repository;
+
+    public BudgetArchiveRepositoryTest()
+    {
+        _repository = new BudgetArchiveRepository(FreeSql);
+    }
+
+    [Fact]
+    public async Task GetArchiveAsync_获取单条归档_Test()
+    {
+        await _repository.AddAsync(new BudgetArchive { Year = 2023, Month = 1 });
+        await _repository.AddAsync(new BudgetArchive { Year = 2023, Month = 2 });
+
+        var archive = await _repository.GetArchiveAsync(2023, 1);
+        archive.Should().NotBeNull();
+        archive!.Month.Should().Be(1);
+    }
+
+    [Fact]
+    public async Task GetArchivesByYearAsync_按年获取_Test()
+    {
+        await _repository.AddAsync(new BudgetArchive { Year = 2023, Month = 1 });
+        await _repository.AddAsync(new BudgetArchive { Year = 2023, Month = 2 });
+        await _repository.AddAsync(new BudgetArchive { Year = 2022, Month = 12 });
+
+        var list = await _repository.GetArchivesByYearAsync(2023);
+        list.Should().HaveCount(2);
+    }
+}

WebApi.Test/Repository/BudgetRepositoryTest.cs

@@ -0,0 +1,72 @@
+using FluentAssertions;
+
+namespace WebApi.Test.Repository;
+
+public class BudgetRepositoryTest : TransactionTestBase
+{
+    private readonly IBudgetRepository _repository;
+    private readonly ITransactionRecordRepository _transactionRepository;
+
+    public BudgetRepositoryTest()
+    {
+        _repository = new BudgetRepository(FreeSql);
+        _transactionRepository = new TransactionRecordRepository(FreeSql);
+    }
+
+    [Fact]
+    public async Task GetCurrentAmountAsync_计算预算金额_Test()
+    {
+        // Arrange
+        // 插入一些交易记录
+        await _transactionRepository.AddAsync(CreateExpense(100, classify: "餐饮")); // A
+        await _transactionRepository.AddAsync(CreateExpense(200, classify: "交通")); // B
+        await _transactionRepository.AddAsync(CreateExpense(50, classify: "餐饮"));  // C
+        await _transactionRepository.AddAsync(CreateIncome(1000)); // 收入，不应计入支出预算
+
+        var budget = new BudgetRecord
+        {
+            Limit = 2000,
+            Category = BudgetCategory.Expense,
+            SelectedCategories = "餐饮,购物", // Only 餐饮 matches
+            Name = "日常开销"
+        };
+
+        var startDate = DateTime.Now.AddDays(-1);
+        var endDate = DateTime.Now.AddDays(1);
+
+        // Act
+        var amount = await _repository.GetCurrentAmountAsync(budget, startDate, endDate);
+
+        // Assert
+        // Should sum A+C = -150. But wait, transaction amounts for expense are negative in CreateExpense?
+        // Let's check CreateExpense: return CreateTestRecord(-amount, ...);
+        // So actual stored values are -100, -200, -50.
+        // SumAsync sums them up. Result should be -150.
+        amount.Should().Be(-150);
+    }
+
+    [Fact]
+    public async Task UpdateBudgetCategoryNameAsync_更新分类名称_Test()
+    {
+        // Arrange
+        await _repository.AddAsync(new BudgetRecord { Name = "B1", SelectedCategories = "餐饮,交通", Category = BudgetCategory.Expense });
+        await _repository.AddAsync(new BudgetRecord { Name = "B2", SelectedCategories = "餐饮", Category = BudgetCategory.Expense });
+        await _repository.AddAsync(new BudgetRecord { Name = "B3", SelectedCategories = "住宿", Category = BudgetCategory.Expense });
+
+        // Act
+        // 将 "餐饮" 更新为 "美食"
+        await _repository.UpdateBudgetCategoryNameAsync("餐饮", "美食", TransactionType.Expense);
+
+        // Assert
+        var b1 = await _repository.GetByIdAsync(1); // Assuming ID 1 (Standard FreeSql behavior depending on implementation, but I used standard Add)
+        // Actually, IDs are snowflake. I should capture them.
+        
+        var all = await _repository.GetAllAsync();
+        var b1_updated = all.First(b => b.Name == "B1");
+        b1_updated.SelectedCategories.Should().Contain("美食");
+        b1_updated.SelectedCategories.Should().NotContain("餐饮");
+        
+        var b2_updated = all.First(b => b.Name == "B2");
+        b2_updated.SelectedCategories.Should().Be("美食");
+    }
+}

WebApi.Test/Repository/ConfigRepositoryTest.cs

@@ -0,0 +1,23 @@
+using FluentAssertions;
+
+namespace WebApi.Test.Repository;
+
+public class ConfigRepositoryTest : RepositoryTestBase
+{
+    private readonly IConfigRepository _repository;
+
+    public ConfigRepositoryTest()
+    {
+        _repository = new ConfigRepository(FreeSql);
+    }
+
+    [Fact]
+    public async Task GetByKeyAsync_获取配置_Test()
+    {
+        await _repository.AddAsync(new ConfigEntity { Key = "k1", Value = "v1" });
+        
+        var config = await _repository.GetByKeyAsync("k1");
+        config.Should().NotBeNull();
+        config!.Value.Should().Be("v1");
+    }
+}

WebApi.Test/Repository/EmailMessageRepositoryTest.cs

@@ -0,0 +1,54 @@
+using FluentAssertions;
+
+namespace WebApi.Test.Repository;
+
+public class EmailMessageRepositoryTest : RepositoryTestBase
+{
+    private readonly IEmailMessageRepository _repository;
+
+    public EmailMessageRepositoryTest()
+    {
+        _repository = new EmailMessageRepository(FreeSql);
+    }
+
+    [Fact]
+    public async Task ExistsAsync_检查存在_Test()
+    {
+        await _repository.AddAsync(new EmailMessage { Md5 = "md5_value", Subject = "Test" });
+        
+        var msg = await _repository.ExistsAsync("md5_value");
+        msg.Should().NotBeNull();
+        
+        var notfound = await _repository.ExistsAsync("other");
+        notfound.Should().BeNull();
+    }
+
+    [Fact]
+    public async Task GetPagedListAsync_游标分页_Test()
+    {
+        // 插入3条数据，时间倒序
+        var m1 = new EmailMessage { Subject = "M1", ReceivedDate = DateTime.Now }; // Latest
+        var m2 = new EmailMessage { Subject = "M2", ReceivedDate = DateTime.Now.AddDays(-1) };
+        var m3 = new EmailMessage { Subject = "M3", ReceivedDate = DateTime.Now.AddDays(-2) }; // Oldest
+
+        // FreeSql IDs are snowflakes, increasing.
+        // Assuming ID order follows insertion (mostly true for snowflakes if generated sequentially)
+        // But ReceivedDate is the primary sort in logic usually.
+        // Let's verify standard cursor pagination usually sorts by Date DESC, ID DESC.
+        
+        await _repository.AddAsync(m1);
+        await _repository.AddAsync(m2);
+        await _repository.AddAsync(m3);
+
+        // Fetch page 1 (size 2)
+        var result1 = await _repository.GetPagedListAsync(null, null, 2);
+        result1.list.Should().HaveCount(2);
+        result1.list[0].Subject.Should().Be("M1");
+        result1.list[1].Subject.Should().Be("M2");
+
+        // Fetch page 2 using cursor
+        var result2 = await _repository.GetPagedListAsync(result1.lastReceivedDate, result1.lastId, 2);
+        result2.list.Should().HaveCount(1);
+        result2.list[0].Subject.Should().Be("M3");
+    }
+}

WebApi.Test/Repository/MessageRecordRepositoryTest.cs

@@ -0,0 +1,39 @@
+using FluentAssertions;
+
+namespace WebApi.Test.Repository;
+
+public class MessageRecordRepositoryTest : RepositoryTestBase
+{
+    private readonly IMessageRecordRepository _repository;
+
+    public MessageRecordRepositoryTest()
+    {
+        _repository = new MessageRecordRepository(FreeSql);
+    }
+
+    [Fact]
+    public async Task GetPagedListAsync_分页_Test()
+    {
+        for (int i = 0; i < 5; i++)
+        {
+            await _repository.AddAsync(new MessageRecord { Content = $"Msg{i}" });
+        }
+
+        var result = await _repository.GetPagedListAsync(1, 2);
+        result.Total.Should().Be(5);
+        result.List.Should().HaveCount(2);
+    }
+
+    [Fact]
+    public async Task MarkAllAsReadAsync_全部标记已读_Test()
+    {
+        await _repository.AddAsync(new MessageRecord { IsRead = false });
+        await _repository.AddAsync(new MessageRecord { IsRead = false });
+        await _repository.AddAsync(new MessageRecord { IsRead = true });
+
+        await _repository.MarkAllAsReadAsync();
+
+        var all = await _repository.GetAllAsync();
+        all.All(x => x.IsRead).Should().BeTrue();
+    }
+}

WebApi.Test/Repository/PushSubscriptionRepositoryTest.cs

@@ -0,0 +1,23 @@
+using FluentAssertions;
+
+namespace WebApi.Test.Repository;
+
+public class PushSubscriptionRepositoryTest : RepositoryTestBase
+{
+    private readonly IPushSubscriptionRepository _repository;
+
+    public PushSubscriptionRepositoryTest()
+    {
+        _repository = new PushSubscriptionRepository(FreeSql);
+    }
+
+    [Fact]
+    public async Task GetByEndpointAsync_通过Endpoint获取_Test()
+    {
+        await _repository.AddAsync(new PushSubscription { Endpoint = "ep1" });
+        
+        var sub = await _repository.GetByEndpointAsync("ep1");
+        sub.Should().NotBeNull();
+        sub!.Endpoint.Should().Be("ep1");
+    }
+}

WebApi.Test/Repository/RepositoryTestBase.cs

@@ -0,0 +1,30 @@
+using FreeSql;
+using WebApi.Test.Basic;
+
+namespace WebApi.Test.Repository;
+
+public abstract class RepositoryTestBase : BaseTest, IDisposable
+{
+    protected IFreeSql FreeSql { get; }
+
+    protected RepositoryTestBase()
+    {
+        FreeSql = new FreeSqlBuilder()
+            .UseConnectionString(DataType.Sqlite, "Data Source=:memory:")
+            .UseAutoSyncStructure(true)
+            .UseNoneCommandParameter(true)
+            .Build();
+    }
+
+    public void Dispose()
+    {
+        try
+        {
+            FreeSql.Dispose();
+        }
+        catch
+        {
+            // ignore
+        }
+    }
+}

WebApi.Test/Repository/TransactionCategoryRepositoryTest.cs

@@ -0,0 +1,52 @@
+using FluentAssertions;
+
+namespace WebApi.Test.Repository;
+
+public class TransactionCategoryRepositoryTest : TransactionTestBase
+{
+    private readonly ITransactionCategoryRepository _repository;
+    private readonly ITransactionRecordRepository _transactionRepository;
+
+    public TransactionCategoryRepositoryTest()
+    {
+        _repository = new TransactionCategoryRepository(FreeSql);
+        _transactionRepository = new TransactionRecordRepository(FreeSql);
+    }
+
+    [Fact]
+    public async Task GetCategoriesByTypeAsync_按类型获取_Test()
+    {
+        await _repository.AddAsync(new TransactionCategory { Name = "C1", Type = TransactionType.Expense });
+        await _repository.AddAsync(new TransactionCategory { Name = "C2", Type = TransactionType.Income });
+
+        var results = await _repository.GetCategoriesByTypeAsync(TransactionType.Expense);
+        results.Should().HaveCount(1);
+        results.First().Name.Should().Be("C1");
+    }
+
+    [Fact]
+    public async Task GetByNameAndTypeAsync_按名称和类型查找_Test()
+    {
+        await _repository.AddAsync(new TransactionCategory { Name = "C1", Type = TransactionType.Expense });
+
+        var category = await _repository.GetByNameAndTypeAsync("C1", TransactionType.Expense);
+        category.Should().NotBeNull();
+        category!.Name.Should().Be("C1");
+    }
+
+    [Fact]
+    public async Task IsCategoryInUseAsync_检查是否使用_Test()
+    {
+        var category = new TransactionCategory { Name = "UsedCategory", Type = TransactionType.Expense };
+        await _repository.AddAsync(category);
+
+        var unused = new TransactionCategory { Name = "Unused", Type = TransactionType.Expense };
+        await _repository.AddAsync(unused);
+
+        // Add transaction using "UsedCategory"
+        await _transactionRepository.AddAsync(CreateExpense(100, classify: "UsedCategory"));
+
+        (await _repository.IsCategoryInUseAsync(category.Id)).Should().BeTrue();
+        (await _repository.IsCategoryInUseAsync(unused.Id)).Should().BeFalse();
+    }
+}

WebApi.Test/Repository/TransactionPeriodicRepositoryTest.cs

@@ -0,0 +1,46 @@
+using FluentAssertions;
+
+namespace WebApi.Test.Repository;
+
+public class TransactionPeriodicRepositoryTest : TransactionTestBase
+{
+    private readonly ITransactionPeriodicRepository _repository;
+
+    public TransactionPeriodicRepositoryTest()
+    {
+        _repository = new TransactionPeriodicRepository(FreeSql);
+    }
+
+    [Fact]
+    public async Task GetPendingPeriodicBillsAsync_获取待执行账单_Test()
+    {
+        // 应该执行的：NextExecuteTime <= Now
+        await _repository.AddAsync(new TransactionPeriodic { Reason = "Bill1", NextExecuteTime = DateTime.Now.AddDays(-1), IsEnabled = true });
+        
+        // 不该执行的：NextExecuteTime > Now
+        await _repository.AddAsync(new TransactionPeriodic { Reason = "Bill2", NextExecuteTime = DateTime.Now.AddDays(1), IsEnabled = true });
+        
+        // 不该执行的：未激活
+        await _repository.AddAsync(new TransactionPeriodic { Reason = "Bill3", NextExecuteTime = DateTime.Now.AddDays(-1), IsEnabled = false });
+
+        var results = await _repository.GetPendingPeriodicBillsAsync();
+        results.Should().HaveCount(1);
+        results.First().Reason.Should().Be("Bill1");
+    }
+
+    [Fact]
+    public async Task UpdateExecuteTimeAsync_更新执行时间_Test()
+    {
+        var bill = new TransactionPeriodic { Reason = "Bill", NextExecuteTime = DateTime.Now };
+        await _repository.AddAsync(bill);
+
+        var last = DateTime.Now;
+        var next = DateTime.Now.AddMonths(1);
+
+        await _repository.UpdateExecuteTimeAsync(bill.Id, last, next);
+
+        var updated = await _repository.GetByIdAsync(bill.Id);
+        updated!.LastExecuteTime.Should().BeCloseTo(last, TimeSpan.FromSeconds(1));
+        updated.NextExecuteTime.Should().BeCloseTo(next, TimeSpan.FromSeconds(1));
+    }
+}

WebApi.Test/Repository/TransactionRecordRepositoryTest.cs

@@ -0,0 +1,108 @@
+using FluentAssertions;
+
+namespace WebApi.Test.Repository;
+
+public class TransactionRecordRepositoryTest : TransactionTestBase
+{
+    private readonly ITransactionRecordRepository _repository;
+
+    public TransactionRecordRepositoryTest()
+    {
+        _repository = new TransactionRecordRepository(FreeSql);
+    }
+
+    [Fact]
+    public async Task AddAsync_添加记录_Test()
+    {
+        var record = CreateTestRecord(-100);
+        var result = await _repository.AddAsync(record);
+        result.Should().BeTrue();
+
+        var dbRecord = await _repository.GetByIdAsync(record.Id);
+        dbRecord.Should().NotBeNull();
+        dbRecord!.Amount.Should().Be(-100);
+    }
+
+    [Fact]
+    public async Task QueryAsync_按类型筛选_Test()
+    {
+        await _repository.AddAsync(CreateExpense(100));
+        await _repository.AddAsync(CreateIncome(200));
+
+        var expenses = await _repository.QueryAsync(type: TransactionType.Expense);
+        expenses.Should().HaveCount(1);
+        expenses.First().Amount.Should().Be(-100);
+
+        var incomes = await _repository.QueryAsync(type: TransactionType.Income);
+        incomes.Should().HaveCount(1);
+        incomes.First().Amount.Should().Be(200);
+    }
+
+    [Fact]
+    public async Task QueryAsync_按通过时间范围筛选_Test()
+    {
+        await _repository.AddAsync(CreateExpense(100, new DateTime(2023, 1, 1)));
+        await _repository.AddAsync(CreateExpense(100, new DateTime(2023, 2, 1)));
+        await _repository.AddAsync(CreateExpense(100, new DateTime(2023, 3, 1)));
+
+        // 查询 1月到2月
+        var results = await _repository.QueryAsync(
+            startDate: new DateTime(2023, 1, 1),
+            endDate: new DateTime(2023, 2, 28)); // Include Feb
+        
+        results.Should().HaveCount(2);
+    }
+
+     [Fact]
+    public async Task QueryAsync_按年月筛选_Test()
+    {
+        await _repository.AddAsync(CreateExpense(100, new DateTime(2023, 1, 15)));
+        await _repository.AddAsync(CreateExpense(100, new DateTime(2023, 2, 15)));
+
+        var results = await _repository.QueryAsync(year: 2023, month: 1);
+        results.Should().HaveCount(1);
+        results.First().OccurredAt.Month.Should().Be(1);
+    }
+
+    [Fact]
+    public async Task CountAsync_统计数量_Test()
+    {
+        await _repository.AddAsync(CreateExpense(100));
+        await _repository.AddAsync(CreateExpense(200));
+        await _repository.AddAsync(CreateIncome(3000));
+
+        var count = await _repository.CountAsync(type: TransactionType.Expense);
+        count.Should().Be(2);
+    }
+
+    [Fact]
+    public async Task GetDistinctClassifyAsync_获取去重分类_Test()
+    {
+        await _repository.AddAsync(CreateExpense(100, classify: "餐饮"));
+        await _repository.AddAsync(CreateExpense(100, classify: "餐饮"));
+        await _repository.AddAsync(CreateExpense(100, classify: "交通"));
+
+        var classifies = await _repository.GetDistinctClassifyAsync();
+        classifies.Should().HaveCount(2);
+        classifies.Should().Contain("餐饮");
+        classifies.Should().Contain("交通");
+    }
+
+    [Fact]
+    public async Task BatchUpdateByReasonAsync_批量更新_Test()
+    {
+        await _repository.AddAsync(CreateExpense(100, reason: "麦当劳", classify: "餐饮"));
+        await _repository.AddAsync(CreateExpense(100, reason: "麦当劳", classify: "餐饮"));
+        await _repository.AddAsync(CreateExpense(100, reason: "肯德基", classify: "餐饮"));
+
+        // 将所有"麦当劳"改为"快餐"分类，类型保持支出
+        var count = await _repository.BatchUpdateByReasonAsync("麦当劳", TransactionType.Expense, "快餐");
+        count.Should().Be(2);
+
+        var records = await _repository.QueryAsync(reason: "麦当劳");
+        records.All(r => r.Classify == "快餐").Should().BeTrue();
+        
+        var kfc = await _repository.QueryAsync(reason: "肯德基");
+        kfc.First().Classify.Should().Be("餐饮");
+    }
+}

WebApi.Test/Repository/TransactionTestBase.cs

@@ -1,29 +1,7 @@
-using FreeSql;
-using Repository;
+namespace WebApi.Test.Repository;
 
-namespace WebApi.Test.Basic;
-
-public class DatabaseTest : BaseTest, IDisposable
+public class TransactionTestBase : RepositoryTestBase
 {
-    protected IFreeSql FreeSql { get; }
-    protected ITransactionRecordRepository Repository { get; }
-
-    public DatabaseTest()
-    {
-        FreeSql = new FreeSqlBuilder()
-            .UseConnectionString(DataType.Sqlite, "Data Source=:memory:")
-            .UseAutoSyncStructure(true)
-            .UseNoneCommandParameter(true)
-            .Build();
-
-        Repository = new TransactionRecordRepository(FreeSql);
-    }
-
-    public void Dispose()
-    {
-        FreeSql.Dispose();
-    }
-
     protected TransactionRecord CreateTestRecord(
         decimal amount,
         TransactionType type = TransactionType.Expense,
@@ -55,4 +33,4 @@ public class DatabaseTest : BaseTest, IDisposable
     {
         return CreateTestRecord(amount, TransactionType.Income, occurredAt, reason, classify);
     }
-}
+}

WebApi.Test/Transaction/TransactionPeriodicServiceTest.cs

@@ -0,0 +1,608 @@
+using Microsoft.Extensions.Logging;
+using Service.Transaction;
+
+namespace WebApi.Test.Transaction;
+
+public class TransactionPeriodicServiceTest : BaseTest
+{
+    private readonly ITransactionPeriodicRepository _periodicRepository = Substitute.For<ITransactionPeriodicRepository>();
+    private readonly ITransactionRecordRepository _transactionRepository = Substitute.For<ITransactionRecordRepository>();
+    private readonly IMessageRecordRepository _messageRepository = Substitute.For<IMessageRecordRepository>();
+    private readonly ILogger<TransactionPeriodicService> _logger = Substitute.For<ILogger<TransactionPeriodicService>>();
+    private readonly ITransactionPeriodicService _service;
+
+    public TransactionPeriodicServiceTest()
+    {
+        _service = new TransactionPeriodicService(
+            _periodicRepository,
+            _transactionRepository,
+            _messageRepository,
+            _logger
+        );
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_每日账单()
+    {
+        // Arrange
+        var today = new DateTime(2024, 1, 15, 10, 0, 0);
+        var periodicBill = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Daily,
+            Amount = 100m,
+            Type = TransactionType.Expense,
+            Classify = "餐饮",
+            Reason = "每日餐费",
+            IsEnabled = true,
+            LastExecuteTime = new DateTime(2024, 1, 14, 10, 0, 0),
+            NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(new[] { periodicBill });
+        _transactionRepository.AddAsync(Arg.Any<TransactionRecord>()).Returns(Task.FromResult(true));
+        _messageRepository.AddAsync(Arg.Any<MessageRecord>()).Returns(Task.CompletedTask);
+        _periodicRepository.UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>())
+            .Returns(Task.CompletedTask);
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        await _transactionRepository.Received(1).AddAsync(Arg.Is<TransactionRecord>(t =>
+            t.Amount == -100m &&
+            t.Type == TransactionType.Expense &&
+            t.Classify == "餐饮" &&
+            t.Reason == "每日餐费" &&
+            t.Card == "周期性账单" &&
+            t.ImportFrom == "周期性账单自动生成"
+        ));
+
+        await _messageRepository.Received(1).AddAsync(Arg.Is<MessageRecord>(m =>
+            m.Title == "周期性账单提醒" &&
+            m.Content.Contains("支出") &&
+            m.Content.Contains("100.00") &&
+            m.Content.Contains("每日餐费") &&
+            m.IsRead == false
+        ));
+
+        await _periodicRepository.Received(1).UpdateExecuteTimeAsync(
+            Arg.Is(1L),
+            Arg.Is<DateTime>(dt => dt.Date == today.Date),
+            Arg.Is<DateTime?>(dt => dt.HasValue && dt.Value.Date == today.Date.AddDays(1))
+        );
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_每周账单()
+    {
+        // Arrange
+        var periodicBill = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Weekly,
+            PeriodicConfig = "1,3,5", // 周一、三、五
+            Amount = 200m,
+            Type = TransactionType.Expense,
+            Classify = "交通",
+            Reason = "每周通勤费",
+            IsEnabled = true,
+            LastExecuteTime = new DateTime(2024, 1, 10, 10, 0, 0),
+            NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(new[] { periodicBill });
+        _transactionRepository.AddAsync(Arg.Any<TransactionRecord>()).Returns(Task.FromResult(true));
+        _messageRepository.AddAsync(Arg.Any<MessageRecord>()).Returns(Task.CompletedTask);
+        _periodicRepository.UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>())
+            .Returns(Task.CompletedTask);
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        await _transactionRepository.Received(1).AddAsync(Arg.Is<TransactionRecord>(t =>
+            t.Amount == -200m &&
+            t.Type == TransactionType.Expense &&
+            t.Classify == "交通" &&
+            t.Reason == "每周通勤费"
+        ));
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_每月账单()
+    {
+        // Arrange
+        var periodicBill = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Monthly,
+            PeriodicConfig = "1,15", // 每月1号和15号
+            Amount = 5000m,
+            Type = TransactionType.Income,
+            Classify = "工资",
+            Reason = "每月工资",
+            IsEnabled = true,
+            LastExecuteTime = new DateTime(2024, 1, 1, 10, 0, 0),
+            NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(new[] { periodicBill });
+        _transactionRepository.AddAsync(Arg.Any<TransactionRecord>()).Returns(Task.FromResult(true));
+        _messageRepository.AddAsync(Arg.Any<MessageRecord>()).Returns(Task.CompletedTask);
+        _periodicRepository.UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>())
+            .Returns(Task.CompletedTask);
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        await _transactionRepository.Received(1).AddAsync(Arg.Is<TransactionRecord>(t =>
+            t.Amount == 5000m &&
+            t.Type == TransactionType.Income &&
+            t.Classify == "工资" &&
+            t.Reason == "每月工资"
+        ));
+
+        await _messageRepository.Received(1).AddAsync(Arg.Is<MessageRecord>(m =>
+            m.Content.Contains("收入") &&
+            m.Content.Contains("5000.00") &&
+            m.Content.Contains("每月工资")
+        ));
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_未达到执行时间()
+    {
+        // Arrange
+        var periodicBill = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Weekly,
+            PeriodicConfig = "1,3,5", // 只在周一(1)、三(3)、五(5)执行
+            Amount = 200m,
+            Type = TransactionType.Expense,
+            Classify = "交通",
+            Reason = "每周通勤费",
+            IsEnabled = true,
+            LastExecuteTime = new DateTime(2024, 1, 10, 10, 0, 0),
+            NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(new[] { periodicBill });
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        await _transactionRepository.Received(0).AddAsync(Arg.Any<TransactionRecord>());
+        await _messageRepository.Received(0).AddAsync(Arg.Any<MessageRecord>());
+        await _periodicRepository.Received(0).UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>());
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_今天已执行过()
+    {
+        // Arrange
+        var periodicBill = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Daily,
+            Amount = 100m,
+            Type = TransactionType.Expense,
+            Classify = "餐饮",
+            Reason = "每日餐费",
+            IsEnabled = true,
+            LastExecuteTime = new DateTime(2024, 1, 15, 8, 0, 0), // 今天已经执行过
+            NextExecuteTime = new DateTime(2024, 1, 16, 10, 0, 0)
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(new[] { periodicBill });
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        // 由于 LastExecuteTime 日期是今天，所以不会再次执行
+        await _transactionRepository.Received(0).AddAsync(Arg.Any<TransactionRecord>());
+        await _messageRepository.Received(0).AddAsync(Arg.Any<MessageRecord>());
+        await _periodicRepository.Received(0).UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>());
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_从未执行过()
+    {
+        // Arrange
+        var periodicBill = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Weekly,
+            PeriodicConfig = "1,3,5",
+            Amount = 200m,
+            Type = TransactionType.Expense,
+            Classify = "交通",
+            Reason = "每周通勤费",
+            IsEnabled = true,
+            LastExecuteTime = null, // 从未执行过
+            NextExecuteTime = null
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(new[] { periodicBill });
+        _transactionRepository.AddAsync(Arg.Any<TransactionRecord>()).Returns(Task.FromResult(true));
+        _messageRepository.AddAsync(Arg.Any<MessageRecord>()).Returns(Task.CompletedTask);
+        _periodicRepository.UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>())
+            .Returns(Task.CompletedTask);
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        await _transactionRepository.Received(1).AddAsync(Arg.Any<TransactionRecord>());
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_添加交易记录失败()
+    {
+        // Arrange
+        var periodicBill = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Daily,
+            Amount = 100m,
+            Type = TransactionType.Expense,
+            Classify = "餐饮",
+            Reason = "每日餐费",
+            IsEnabled = true,
+            LastExecuteTime = new DateTime(2024, 1, 14, 10, 0, 0),
+            NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(new[] { periodicBill });
+        _transactionRepository.AddAsync(Arg.Any<TransactionRecord>()).Returns(false); // 添加失败
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        await _messageRepository.Received(0).AddAsync(Arg.Any<MessageRecord>());
+        await _periodicRepository.Received(0).UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>());
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_多条账单()
+    {
+        // Arrange
+        var periodicBills = new[]
+        {
+            new TransactionPeriodic
+            {
+                Id = 1,
+                PeriodicType = PeriodicType.Daily,
+                Amount = 100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "每日餐费",
+                IsEnabled = true,
+                LastExecuteTime = new DateTime(2024, 1, 14, 10, 0, 0),
+                NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+            },
+            new TransactionPeriodic
+            {
+                Id = 2,
+                PeriodicType = PeriodicType.Daily,
+                Amount = 200m,
+                Type = TransactionType.Expense,
+                Classify = "交通",
+                Reason = "每日交通",
+                IsEnabled = true,
+                LastExecuteTime = new DateTime(2024, 1, 14, 10, 0, 0),
+                NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+            }
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(periodicBills);
+        _transactionRepository.AddAsync(Arg.Any<TransactionRecord>()).Returns(Task.FromResult(true));
+        _messageRepository.AddAsync(Arg.Any<MessageRecord>()).Returns(Task.CompletedTask);
+        _periodicRepository.UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>())
+            .Returns(Task.CompletedTask);
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        await _transactionRepository.Received(2).AddAsync(Arg.Any<TransactionRecord>());
+        await _messageRepository.Received(2).AddAsync(Arg.Any<MessageRecord>());
+        await _periodicRepository.Received(2).UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>());
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_每日()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Daily,
+            PeriodicConfig = ""
+        };
+        var baseTime = new DateTime(2024, 1, 15, 10, 0, 0);
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().Be(new DateTime(2024, 1, 16, 0, 0, 0));
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_每周_本周内()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Weekly,
+            PeriodicConfig = "1,3,5" // 周一、三、五
+        };
+        var baseTime = new DateTime(2024, 1, 15, 10, 0, 0); // 周一
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().Be(new DateTime(2024, 1, 17, 0, 0, 0)); // 下周三
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_每周_跨周()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Weekly,
+            PeriodicConfig = "1,3,5" // 周一、三、五
+        };
+        var baseTime = new DateTime(2024, 1, 19, 10, 0, 0); // 周五
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().Be(new DateTime(2024, 1, 22, 0, 0, 0)); // 下周一
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_每月_本月内()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Monthly,
+            PeriodicConfig = "1,15" // 每月1号和15号
+        };
+        var baseTime = new DateTime(2024, 1, 10, 10, 0, 0);
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().Be(new DateTime(2024, 1, 15, 0, 0, 0));
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_每月_跨月()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Monthly,
+            PeriodicConfig = "1,15" // 每月1号和15号
+        };
+        var baseTime = new DateTime(2024, 1, 16, 10, 0, 0);
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().Be(new DateTime(2024, 2, 1, 0, 0, 0));
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_每月_月末()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Monthly,
+            PeriodicConfig = "30,31" // 每月30号和31号
+        };
+        var baseTime = new DateTime(2024, 1, 15, 10, 0, 0); // 1月只有31天
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().Be(new DateTime(2024, 1, 30, 0, 0, 0));
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_每月_小月()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Monthly,
+            PeriodicConfig = "30,31" // 每月30号和31号
+        };
+        var baseTime = new DateTime(2024, 4, 25, 10, 0, 0); // 4月只有30天
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().Be(new DateTime(2024, 4, 30, 0, 0, 0)); // 30号，31号不存在
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_每季度()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Quarterly,
+            PeriodicConfig = "15" // 每季度第15天
+        };
+        var baseTime = new DateTime(2024, 1, 15, 10, 0, 0);
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().Be(new DateTime(2024, 4, 15, 0, 0, 0)); // 下季度
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_每年()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = PeriodicType.Yearly,
+            PeriodicConfig = "100" // 每年第100天
+        };
+        var baseTime = new DateTime(2024, 4, 10, 10, 0, 0); // 第100天是4月9日
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().Be(new DateTime(2025, 4, 9, 0, 0, 0)); // 下一年
+    }
+
+    [Fact]
+    public void CalculateNextExecuteTime_未知周期类型()
+    {
+        // Arrange
+        var periodic = new TransactionPeriodic
+        {
+            Id = 1,
+            PeriodicType = (PeriodicType)99, // 未知类型
+            PeriodicConfig = ""
+        };
+        var baseTime = new DateTime(2024, 1, 15, 10, 0, 0);
+
+        // Act
+        var result = _service.CalculateNextExecuteTime(periodic, baseTime);
+
+        // Assert
+        result.Should().BeNull();
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_处理异常不中断()
+    {
+        // Arrange
+        var periodicBills = new[]
+        {
+            new TransactionPeriodic
+            {
+                Id = 1,
+                PeriodicType = PeriodicType.Daily,
+                Amount = 100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "每日餐费",
+                IsEnabled = true,
+                LastExecuteTime = new DateTime(2024, 1, 14, 10, 0, 0),
+                NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+            },
+            new TransactionPeriodic
+            {
+                Id = 2,
+                PeriodicType = PeriodicType.Daily,
+                Amount = 200m,
+                Type = TransactionType.Expense,
+                Classify = "交通",
+                Reason = "每日交通",
+                IsEnabled = true,
+                LastExecuteTime = new DateTime(2024, 1, 14, 10, 0, 0),
+                NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+            }
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(periodicBills);
+        _transactionRepository.AddAsync(Arg.Any<TransactionRecord>()).Returns(Task.FromResult(true));
+        _messageRepository.AddAsync(Arg.Any<MessageRecord>()).Returns(Task.CompletedTask);
+        _periodicRepository.UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>())
+            .Returns(args =>
+            {
+                var id = (long)args[0];
+                if (id == 1)
+                {
+                    throw new Exception("更新失败");
+                }
+                return Task.CompletedTask;
+            });
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        // 第二条记录应该成功处理
+        await _transactionRepository.Received(2).AddAsync(Arg.Any<TransactionRecord>());
+    }
+
+    [Fact]
+    public async Task ExecutePeriodicBillsAsync_处理所有账单()
+    {
+        // Arrange
+        var periodicBills = new[]
+        {
+            new TransactionPeriodic
+            {
+                Id = 1,
+                PeriodicType = PeriodicType.Daily,
+                Amount = 100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "每日餐费",
+                IsEnabled = false, // 禁用
+                LastExecuteTime = new DateTime(2024, 1, 14, 10, 0, 0),
+                NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+            },
+            new TransactionPeriodic
+            {
+                Id = 2,
+                PeriodicType = PeriodicType.Daily,
+                Amount = 200m,
+                Type = TransactionType.Expense,
+                Classify = "交通",
+                Reason = "每日交通",
+                IsEnabled = true,
+                LastExecuteTime = new DateTime(2024, 1, 14, 10, 0, 0),
+                NextExecuteTime = new DateTime(2024, 1, 15, 10, 0, 0)
+            }
+        };
+
+        _periodicRepository.GetPendingPeriodicBillsAsync().Returns(periodicBills);
+        _transactionRepository.AddAsync(Arg.Any<TransactionRecord>()).Returns(Task.FromResult(true));
+        _messageRepository.AddAsync(Arg.Any<MessageRecord>()).Returns(Task.CompletedTask);
+        _periodicRepository.UpdateExecuteTimeAsync(Arg.Any<long>(), Arg.Any<DateTime>(), Arg.Any<DateTime>())
+            .Returns(Task.CompletedTask);
+
+        // Act
+        await _service.ExecutePeriodicBillsAsync();
+
+        // Assert
+        // 只有启用的账单会被处理
+        await _transactionRepository.Received(1).AddAsync(Arg.Is<TransactionRecord>(t => t.Reason == "每日交通"));
+        await _transactionRepository.Received(0).AddAsync(Arg.Is<TransactionRecord>(t => t.Reason == "每日餐费"));
+    }
+}

WebApi.Test/Transaction/TransactionStatisticsServiceTest.cs

@@ -0,0 +1,972 @@
+using Service.Transaction;
+
+namespace WebApi.Test.Transaction;
+
+public class TransactionStatisticsServiceTest : BaseTest
+{
+    private readonly ITransactionRecordRepository _transactionRepository = Substitute.For<ITransactionRecordRepository>();
+    private readonly ITransactionStatisticsService _service;
+
+    public TransactionStatisticsServiceTest()
+    {
+        // 默认配置 QueryAsync 返回空列表
+        _transactionRepository.QueryAsync(
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<TransactionType>(),
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(new List<TransactionRecord>());
+
+        _service = new TransactionStatisticsService(
+            _transactionRepository
+        );
+    }
+
+    private void ConfigureQueryAsync(List<TransactionRecord> data)
+    {
+        _transactionRepository.QueryAsync(
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<TransactionType>(),
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(data);
+    }
+
+    [Fact]
+    public async Task GetDailyStatisticsAsync_基本测试()
+    {
+        // Arrange
+        var year = 2024;
+        var month = 1;
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                OccurredAt = new DateTime(2024, 1, 1, 10, 0, 0),
+                Amount = -100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "午餐"
+            },
+            new()
+            {
+                Id = 2,
+                OccurredAt = new DateTime(2024, 1, 1, 15, 0, 0),
+                Amount = -50m,
+                Type = TransactionType.Expense,
+                Classify = "交通",
+                Reason = "地铁"
+            },
+            new()
+            {
+                Id = 3,
+                OccurredAt = new DateTime(2024, 1, 2, 9, 0, 0),
+                Amount = 5000m,
+                Type = TransactionType.Income,
+                Classify = "工资",
+                Reason = "工资收入"
+            }
+        };
+
+        ConfigureQueryAsync(testData);
+
+        // Act
+        var result = await _service.GetDailyStatisticsAsync(year, month);
+
+        // Assert
+        result.Should().HaveCount(2);
+        result.Should().ContainKey("2024-01-01");
+        result.Should().ContainKey("2024-01-02");
+
+        result["2024-01-01"].count.Should().Be(2);
+        result["2024-01-01"].expense.Should().Be(150m);
+        result["2024-01-01"].income.Should().Be(0m);
+
+        result["2024-01-02"].count.Should().Be(1);
+        result["2024-01-02"].expense.Should().Be(0m);
+        result["2024-01-02"].income.Should().Be(5000m);
+    }
+
+    [Fact]
+    public async Task GetDailyStatisticsAsync_带储蓄分类()
+    {
+        // Arrange
+        var year = 2024;
+        var month = 1;
+        var savingClassify = "投资,存款";
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                OccurredAt = new DateTime(2024, 1, 1, 10, 0, 0),
+                Amount = -100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "午餐"
+            },
+            new()
+            {
+                Id = 2,
+                OccurredAt = new DateTime(2024, 1, 1, 15, 0, 0),
+                Amount = -1000m,
+                Type = TransactionType.Expense,
+                Classify = "投资",
+                Reason = "基金定投"
+            },
+            new()
+            {
+                Id = 3,
+                OccurredAt = new DateTime(2024, 1, 2, 9, 0, 0),
+                Amount = -500m,
+                Type = TransactionType.Expense,
+                Classify = "存款",
+                Reason = "银行存款"
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<TransactionType>(),
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetDailyStatisticsAsync(year, month, savingClassify);
+
+        // Assert
+        result.Should().HaveCount(2);
+
+        result["2024-01-01"].count.Should().Be(2);
+        result["2024-01-01"].expense.Should().Be(1100m);
+        result["2024-01-01"].income.Should().Be(0m);
+        result["2024-01-01"].saving.Should().Be(1000m);
+
+        result["2024-01-02"].count.Should().Be(1);
+        result["2024-01-02"].expense.Should().Be(500m);
+        result["2024-01-02"].income.Should().Be(0m);
+        result["2024-01-02"].saving.Should().Be(500m);
+    }
+
+    [Fact]
+    public async Task GetDailyStatisticsByRangeAsync_基本测试()
+    {
+        // Arrange
+        var startDate = new DateTime(2024, 1, 1);
+        var endDate = new DateTime(2024, 1, 5);
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                OccurredAt = new DateTime(2024, 1, 3, 10, 0, 0),
+                Amount = -100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "午餐"
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<TransactionType>(),
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetDailyStatisticsByRangeAsync(startDate, endDate);
+
+        // Assert
+        result.Should().HaveCount(1);
+        result.Should().ContainKey("2024-01-03");
+        result["2024-01-03"].count.Should().Be(1);
+        result["2024-01-03"].expense.Should().Be(100m);
+    }
+
+    [Fact]
+    public async Task GetMonthlyStatisticsAsync_基本测试()
+    {
+        // Arrange
+        var year = 2024;
+        var month = 1;
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                OccurredAt = new DateTime(2024, 1, 1, 10, 0, 0),
+                Amount = -100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "午餐"
+            },
+            new()
+            {
+                Id = 2,
+                OccurredAt = new DateTime(2024, 1, 2, 15, 0, 0),
+                Amount = -50m,
+                Type = TransactionType.Expense,
+                Classify = "交通",
+                Reason = "地铁"
+            },
+            new()
+            {
+                Id = 3,
+                OccurredAt = new DateTime(2024, 1, 5, 9, 0, 0),
+                Amount = 5000m,
+                Type = TransactionType.Income,
+                Classify = "工资",
+                Reason = "工资收入"
+            },
+            new()
+            {
+                Id = 4,
+                OccurredAt = new DateTime(2024, 1, 10, 9, 0, 0),
+                Amount = 2000m,
+                Type = TransactionType.Income,
+                Classify = "奖金",
+                Reason = "奖金收入"
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            year,
+            month,
+            Arg.Any<DateTime>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<TransactionType>(),
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetMonthlyStatisticsAsync(year, month);
+
+        // Assert
+        result.Year.Should().Be(year);
+        result.Month.Should().Be(month);
+        result.TotalExpense.Should().Be(150m);
+        result.TotalIncome.Should().Be(7000m);
+        result.Balance.Should().Be(6850m);
+        result.ExpenseCount.Should().Be(2);
+        result.IncomeCount.Should().Be(2);
+        result.TotalCount.Should().Be(4);
+    }
+
+    [Fact]
+    public async Task GetMonthlyStatisticsAsync_无数据()
+    {
+        // Arrange
+        var year = 2024;
+        var month = 2;
+
+        _transactionRepository.QueryAsync(
+            year,
+            month,
+            Arg.Any<DateTime>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<TransactionType>(),
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .Returns(new List<TransactionRecord>());
+
+        // Act
+        var result = await _service.GetMonthlyStatisticsAsync(year, month);
+
+        // Assert
+        result.Year.Should().Be(year);
+        result.Month.Should().Be(month);
+        result.TotalExpense.Should().Be(0m);
+        result.TotalIncome.Should().Be(0m);
+        result.Balance.Should().Be(0m);
+        result.ExpenseCount.Should().Be(0);
+        result.IncomeCount.Should().Be(0);
+        result.TotalCount.Should().Be(0);
+    }
+
+    [Fact]
+    public async Task GetCategoryStatisticsAsync_支出分类()
+    {
+        // Arrange
+        var year = 2024;
+        var month = 1;
+        var type = TransactionType.Expense;
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                OccurredAt = new DateTime(2024, 1, 1, 10, 0, 0),
+                Amount = -100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "午餐"
+            },
+            new()
+            {
+                Id = 2,
+                OccurredAt = new DateTime(2024, 1, 2, 15, 0, 0),
+                Amount = -50m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "晚餐"
+            },
+            new()
+            {
+                Id = 3,
+                OccurredAt = new DateTime(2024, 1, 3, 9, 0, 0),
+                Amount = -200m,
+                Type = TransactionType.Expense,
+                Classify = "交通",
+                Reason = "打车"
+            },
+            new()
+            {
+                Id = 4,
+                OccurredAt = new DateTime(2024, 1, 5, 9, 0, 0),
+                Amount = 5000m,
+                Type = TransactionType.Income,
+                Classify = "工资",
+                Reason = "工资收入"
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            year,
+            month,
+            Arg.Any<DateTime>(),
+            Arg.Any<DateTime>(),
+            type,
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetCategoryStatisticsAsync(year, month, type);
+
+        // Assert
+        result.Should().HaveCount(2);
+
+        var dining = result.First(c => c.Classify == "餐饮");
+        dining.Amount.Should().Be(150m);
+        dining.Count.Should().Be(2);
+        dining.Percent.Should().Be(42.9m);
+
+        var transport = result.First(c => c.Classify == "交通");
+        transport.Amount.Should().Be(200m);
+        transport.Count.Should().Be(1);
+        transport.Percent.Should().Be(57.1m);
+    }
+
+    [Fact]
+    public async Task GetCategoryStatisticsAsync_收入分类()
+    {
+        // Arrange
+        var year = 2024;
+        var month = 1;
+        var type = TransactionType.Income;
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                OccurredAt = new DateTime(2024, 1, 1, 10, 0, 0),
+                Amount = 5000m,
+                Type = TransactionType.Income,
+                Classify = "工资",
+                Reason = "工资收入"
+            },
+            new()
+            {
+                Id = 2,
+                OccurredAt = new DateTime(2024, 1, 2, 15, 0, 0),
+                Amount = 1000m,
+                Type = TransactionType.Income,
+                Classify = "奖金",
+                Reason = "绩效奖金"
+            },
+            new()
+            {
+                Id = 3,
+                OccurredAt = new DateTime(2024, 1, 3, 9, 0, 0),
+                Amount = -100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮",
+                Reason = "午餐"
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            year,
+            month,
+            Arg.Any<DateTime>(),
+            Arg.Any<DateTime>(),
+            type,
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetCategoryStatisticsAsync(year, month, type);
+
+        // Assert
+        result.Should().HaveCount(2);
+
+        var salary = result.First(c => c.Classify == "工资");
+        salary.Amount.Should().Be(5000m);
+        salary.Count.Should().Be(1);
+        salary.Percent.Should().Be(83.3m);
+
+        var bonus = result.First(c => c.Classify == "奖金");
+        bonus.Amount.Should().Be(1000m);
+        bonus.Count.Should().Be(1);
+        bonus.Percent.Should().Be(16.7m);
+    }
+
+    [Fact]
+    public async Task GetTrendStatisticsAsync_多个月份()
+    {
+        // Arrange
+        var startYear = 2024;
+        var startMonth = 1;
+        var monthCount = 3;
+
+        var mockData = new Dictionary<int, List<TransactionRecord>>
+        {
+            [1] = new List<TransactionRecord>
+            {
+                new() { Id = 1, OccurredAt = new DateTime(2024, 1, 1), Amount = -1000m, Type = TransactionType.Expense },
+                new() { Id = 2, OccurredAt = new DateTime(2024, 1, 5), Amount = 5000m, Type = TransactionType.Income }
+            },
+            [2] = new List<TransactionRecord>
+            {
+                new() { Id = 3, OccurredAt = new DateTime(2024, 2, 1), Amount = -1500m, Type = TransactionType.Expense },
+                new() { Id = 4, OccurredAt = new DateTime(2024, 2, 5), Amount = 5000m, Type = TransactionType.Income }
+            },
+            [3] = new List<TransactionRecord>
+            {
+                new() { Id = 5, OccurredAt = new DateTime(2024, 3, 1), Amount = -2000m, Type = TransactionType.Expense },
+                new() { Id = 6, OccurredAt = new DateTime(2024, 3, 5), Amount = 5000m, Type = TransactionType.Income }
+            }
+        };
+
+        _transactionRepository.QueryAsync(Arg.Any<int>(), Arg.Any<int>(), Arg.Any<DateTime>(), Arg.Any<DateTime>(), Arg.Any<TransactionType>(), Arg.Any<string[]>(), Arg.Any<string>(), Arg.Any<string>(), Arg.Any<int>(), Arg.Any<int>(), Arg.Any<bool>())
+            .Returns(args =>
+            {
+                var month = (int)args[1];
+                if (mockData.ContainsKey(month))
+                {
+                    return mockData[month];
+                }
+                return new List<TransactionRecord>();
+            });
+
+        // Act
+        var result = await _service.GetTrendStatisticsAsync(startYear, startMonth, monthCount);
+
+        // Assert
+        result.Should().HaveCount(3);
+
+        result[0].Year.Should().Be(2024);
+        result[0].Month.Should().Be(1);
+        result[0].Expense.Should().Be(1000m);
+        result[0].Income.Should().Be(5000m);
+        result[0].Balance.Should().Be(4000m);
+
+        result[1].Year.Should().Be(2024);
+        result[1].Month.Should().Be(2);
+        result[1].Expense.Should().Be(1500m);
+        result[1].Income.Should().Be(5000m);
+        result[1].Balance.Should().Be(3500m);
+
+        result[2].Year.Should().Be(2024);
+        result[2].Month.Should().Be(3);
+        result[2].Expense.Should().Be(2000m);
+        result[2].Income.Should().Be(5000m);
+        result[2].Balance.Should().Be(3000m);
+    }
+
+    [Fact]
+    public async Task GetTrendStatisticsAsync_跨年()
+    {
+        // Arrange
+        var startYear = 2024;
+        var startMonth = 11;
+        var monthCount = 4;
+
+        _transactionRepository.QueryAsync(Arg.Any<int>(), Arg.Any<int>(), Arg.Any<DateTime>(), Arg.Any<DateTime>(), Arg.Any<TransactionType>(), Arg.Any<string[]>(), Arg.Any<string>(), Arg.Any<string>(), Arg.Any<int>(), Arg.Any<int>(), Arg.Any<bool>())
+            .Returns(new List<TransactionRecord>());
+
+        // Act
+        var result = await _service.GetTrendStatisticsAsync(startYear, startMonth, monthCount);
+
+        // Assert
+        result.Should().HaveCount(4);
+        result[0].Year.Should().Be(2024);
+        result[0].Month.Should().Be(11);
+        result[1].Year.Should().Be(2024);
+        result[1].Month.Should().Be(12);
+        result[2].Year.Should().Be(2025);
+        result[2].Month.Should().Be(1);
+        result[3].Year.Should().Be(2025);
+        result[3].Month.Should().Be(2);
+    }
+
+    [Fact]
+    public async Task GetReasonGroupsAsync_基本测试()
+    {
+        // Arrange
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                Reason = "麦当劳",
+                Classify = "",
+                Amount = -50m,
+                Type = TransactionType.Expense,
+                OccurredAt = new DateTime(2024, 1, 1)
+            },
+            new()
+            {
+                Id = 2,
+                Reason = "麦当劳",
+                Classify = "",
+                Amount = -80m,
+                Type = TransactionType.Expense,
+                OccurredAt = new DateTime(2024, 1, 2)
+            },
+            new()
+            {
+                Id = 3,
+                Reason = "肯德基",
+                Classify = "",
+                Amount = -60m,
+                Type = TransactionType.Expense,
+                OccurredAt = new DateTime(2024, 1, 3)
+            },
+            new()
+            {
+                Id = 4,
+                Reason = "麦当劳",
+                Classify = "快餐",
+                Amount = -45m,
+                Type = TransactionType.Expense,
+                OccurredAt = new DateTime(2024, 1, 4)
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<DateTime>(),
+            Arg.Any<TransactionType>(),
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var (list, total) = await _service.GetReasonGroupsAsync();
+
+        // Assert
+        total.Should().Be(2);
+        list.Should().HaveCount(2);
+
+        var mcdonalds = list.First(g => g.Reason == "麦当劳");
+        mcdonalds.Count.Should().Be(2);
+        mcdonalds.TotalAmount.Should().Be(130m);
+        mcdonalds.SampleType.Should().Be(TransactionType.Expense);
+        mcdonalds.SampleClassify.Should().Be("");
+        mcdonalds.TransactionIds.Should().Contain(1L);
+        mcdonalds.TransactionIds.Should().Contain(2L);
+
+        var kfc = list.First(g => g.Reason == "肯德基");
+        kfc.Count.Should().Be(1);
+        kfc.TotalAmount.Should().Be(60m);
+    }
+
+    [Fact]
+    public async Task GetClassifiedByKeywordsWithScoreAsync_基本匹配()
+    {
+        // Arrange
+        var keywords = new List<string> { "餐饮", "午餐" };
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                Reason = "今天午餐吃得很饱",
+                Classify = "餐饮",
+                OccurredAt = new DateTime(2024, 1, 1),
+                Amount = -50m
+            },
+            new()
+            {
+                Id = 2,
+                Reason = "餐饮支出",
+                Classify = "餐饮",
+                OccurredAt = new DateTime(2024, 1, 2),
+                Amount = -80m
+            },
+            new()
+            {
+                Id = 3,
+                Reason = "交通费",
+                Classify = "交通",
+                OccurredAt = new DateTime(2024, 1, 3),
+                Amount = -10m
+            }
+        };
+
+        _transactionRepository.GetClassifiedByKeywordsAsync(Arg.Any<List<string>>(), Arg.Any<int>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetClassifiedByKeywordsWithScoreAsync(keywords, minMatchRate: 0.3, limit: 10);
+
+        // Assert
+        result.Should().HaveCount(2);
+
+        var first = result[0];
+        // 第一个结果应该是相关性分数最高的，可能是 Id=2（"今天午餐吃得很饱"匹配两个关键词）
+        first.record.Id.Should().BeOneOf(1L, 2L);
+        first.relevanceScore.Should().BeGreaterThan(0.5);
+
+        var second = result[1];
+        second.record.Id.Should().BeOneOf(1L, 2L);
+        second.record.Id.Should().NotBe(first.record.Id);
+        second.relevanceScore.Should().BeGreaterThan(0.3);
+    }
+
+    [Fact]
+    public async Task GetClassifiedByKeywordsWithScoreAsync_精确匹配加分()
+    {
+        // Arrange
+        var keywords = new List<string> { "午餐" };
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                Reason = "午餐",
+                Classify = "餐饮",
+                OccurredAt = new DateTime(2024, 1, 1),
+                Amount = -50m
+            },
+            new()
+            {
+                Id = 2,
+                Reason = "今天中午吃了一顿午餐",
+                Classify = "餐饮",
+                OccurredAt = new DateTime(2024, 1, 2),
+                Amount = -80m
+            }
+        };
+
+        _transactionRepository.GetClassifiedByKeywordsAsync(Arg.Any<List<string>>(), Arg.Any<int>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetClassifiedByKeywordsWithScoreAsync(keywords, minMatchRate: 0.3, limit: 10);
+
+        // Assert
+        result.Should().HaveCount(2);
+
+        // 精确匹配应该得分更高
+        result[0].record.Id.Should().Be(1);
+        result[0].relevanceScore.Should().BeGreaterThan(result[1].relevanceScore);
+    }
+
+    [Fact]
+    public async Task GetFilteredTrendStatisticsAsync_按日分组()
+    {
+        // Arrange
+        var startDate = new DateTime(2024, 1, 1);
+        var endDate = new DateTime(2024, 1, 5);
+        var type = TransactionType.Expense;
+        var classifies = new[] { "餐饮", "交通" };
+
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                OccurredAt = new DateTime(2024, 1, 1, 10, 0, 0),
+                Amount = -100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮"
+            },
+            new()
+            {
+                Id = 2,
+                OccurredAt = new DateTime(2024, 1, 1, 15, 0, 0),
+                Amount = -50m,
+                Type = TransactionType.Expense,
+                Classify = "交通"
+            },
+            new()
+            {
+                Id = 3,
+                OccurredAt = new DateTime(2024, 1, 2, 10, 0, 0),
+                Amount = -80m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮"
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            startDate,
+            endDate,
+            type,
+            classifies,
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetFilteredTrendStatisticsAsync(startDate, endDate, type, classifies, groupByMonth: false);
+
+        // Assert
+        result.Should().HaveCount(2);
+        result.Should().ContainKey(new DateTime(2024, 1, 1));
+        result.Should().ContainKey(new DateTime(2024, 1, 2));
+
+        result[new DateTime(2024, 1, 1)].Should().Be(150m);
+        result[new DateTime(2024, 1, 2)].Should().Be(80m);
+    }
+
+    [Fact]
+    public async Task GetFilteredTrendStatisticsAsync_按月分组()
+    {
+        // Arrange
+        var startDate = new DateTime(2024, 1, 1);
+        var endDate = new DateTime(2024, 3, 31);
+        var type = TransactionType.Expense;
+        var classifies = new[] { "餐饮" };
+
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                OccurredAt = new DateTime(2024, 1, 15),
+                Amount = -1000m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮"
+            },
+            new()
+            {
+                Id = 2,
+                OccurredAt = new DateTime(2024, 2, 15),
+                Amount = -1500m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮"
+            },
+            new()
+            {
+                Id = 3,
+                OccurredAt = new DateTime(2024, 3, 15),
+                Amount = -2000m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮"
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            startDate,
+            endDate,
+            type,
+            classifies,
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetFilteredTrendStatisticsAsync(startDate, endDate, type, classifies, groupByMonth: true);
+
+        // Assert
+        result.Should().HaveCount(3);
+        result.Should().ContainKey(new DateTime(2024, 1, 1));
+        result.Should().ContainKey(new DateTime(2024, 2, 1));
+        result.Should().ContainKey(new DateTime(2024, 3, 1));
+
+        result[new DateTime(2024, 1, 1)].Should().Be(1000m);
+        result[new DateTime(2024, 2, 1)].Should().Be(1500m);
+        result[new DateTime(2024, 3, 1)].Should().Be(2000m);
+    }
+
+    [Fact]
+    public async Task GetAmountGroupByClassifyAsync_基本测试()
+    {
+        // Arrange
+        var startTime = new DateTime(2024, 1, 1);
+        var endTime = new DateTime(2024, 1, 31);
+
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                Amount = -100m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮"
+            },
+            new()
+            {
+                Id = 2,
+                Amount = -50m,
+                Type = TransactionType.Expense,
+                Classify = "餐饮"
+            },
+            new()
+            {
+                Id = 3,
+                Amount = 5000m,
+                Type = TransactionType.Income,
+                Classify = "工资"
+            },
+            new()
+            {
+                Id = 4,
+                Amount = -200m,
+                Type = TransactionType.Expense,
+                Classify = "交通"
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            startTime,
+            endTime,
+            Arg.Any<TransactionType>(),
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetAmountGroupByClassifyAsync(startTime, endTime);
+
+        // Assert
+        result.Should().HaveCount(3);
+
+        result[("餐饮", TransactionType.Expense)].Should().Be(-150m);
+        result[("工资", TransactionType.Income)].Should().Be(5000m);
+        result[("交通", TransactionType.Expense)].Should().Be(-200m);
+    }
+
+    [Fact]
+    public async Task GetAmountGroupByClassifyAsync_相同分类不同类型()
+    {
+        // Arrange
+        var startTime = new DateTime(2024, 1, 1);
+        var endTime = new DateTime(2024, 1, 31);
+
+        var testData = new List<TransactionRecord>
+        {
+            new()
+            {
+                Id = 1,
+                Amount = -100m,
+                Type = TransactionType.Expense,
+                Classify = "兼职"
+            },
+            new()
+            {
+                Id = 2,
+                Amount = 500m,
+                Type = TransactionType.Income,
+                Classify = "兼职"
+            }
+        };
+
+        _transactionRepository.QueryAsync(
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            startTime,
+            endTime,
+            Arg.Any<TransactionType>(),
+            Arg.Any<string[]>(),
+            Arg.Any<string>(),
+            Arg.Any<string>(),
+            Arg.Any<int>(),
+            Arg.Any<int>(),
+            Arg.Any<bool>())
+            .ReturnsForAnyArgs(testData);
+
+        // Act
+        var result = await _service.GetAmountGroupByClassifyAsync(startTime, endTime);
+
+        // Assert
+        result.Should().HaveCount(2);
+
+        result[("兼职", TransactionType.Expense)].Should().Be(-100m);
+        result[("兼职", TransactionType.Income)].Should().Be(500m);
+    }
+}