ReportService 添加 ExportToFile, 集成测试验证报告文件输出, 116测试5秒完成

src/CounterDrone.Core/Services/IReportService.cs

@@ -11,5 +11,7 @@ namespace CounterDrone.Core.Services
         SimulationReport GetReport(string id);
         void DeleteReport(string id);
         PagedResult<SimulationReport> SearchReports(string keyword, string? dateFrom, string? dateTo, int page, int pageSize);
+        /// <summary>导出报告为 Markdown 文件，返回文件路径</summary>
+        string ExportToFile(string reportId, string outputDir);
     }
 }

src/CounterDrone.Core/Services/ReportService.cs

@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Linq;
 using CounterDrone.Core.Models;
 using SQLite;
@@ -11,10 +12,12 @@ namespace CounterDrone.Core.Services
     {
         private readonly SQLiteConnection _db;
         private readonly ReportGenerator _generator = new();
+        private readonly IPathProvider _paths;
 
-        public ReportService(SQLiteConnection db)
+        public ReportService(SQLiteConnection db, IPathProvider paths)
         {
             _db = db;
+            _paths = paths;
         }
 
         public SimulationReport Generate(string taskId, TaskFullConfig config,
@@ -74,5 +77,18 @@ namespace CounterDrone.Core.Services
                 Items = items, TotalCount = total, Page = page, PageSize = pageSize,
             };
         }
+
+        public string ExportToFile(string reportId, string outputDir)
+        {
+            var report = _db.Find<SimulationReport>(reportId);
+            if (report == null) throw new ArgumentException($"报告 {reportId} 不存在");
+
+            Directory.CreateDirectory(outputDir);
+            var safeTime = DateTime.UtcNow.ToString("yyyyMMdd_HHmmss");
+            var fileName = $"{report.TaskName}_{safeTime}.md";
+            var filePath = Path.Combine(outputDir, fileName);
+            File.WriteAllText(filePath, report.Content);
+            return filePath;
+        }
     }
 }

test/unit/CounterDrone.Core.Tests/FullPipelineTests.cs

@@ -213,6 +213,19 @@ namespace CounterDrone.Core.Tests
             return rec;
         }
 
+        private void VerifyAndExportReport(SimulationEngine eng, DroneEntity drone)
+        {
+            var detail = _scenario.GetTaskDetail(_taskId)!;
+            var report = new ReportGenerator().Generate(detail, eng.Events.ToList(), drone.Status, eng.SimulationTime);
+            Assert.Contains("成功拦截", report);
+            Assert.Contains(detail.Task.Name, report);
+
+            var svc = new ReportService(_mainDb, _paths);
+            var r = svc.Generate(_taskId, detail, eng.Events.ToList(), drone.Status.ToString(), eng.SimulationTime);
+            var path = svc.ExportToFile(r.Id, Path.Combine(_testDir, "reports"));
+            Assert.True(File.Exists(path));
+        }
+
         // ═══════════════════════════════════════════════
         // 场景 1：无防御 — 无人机到达目标
         // ═══════════════════════════════════════════════
@@ -347,6 +360,7 @@ namespace CounterDrone.Core.Tests
             Assert.True(launched > 0, msg);
             Assert.True(cloudsGenerated > 0, msg);
             Assert.True(drone.Status == DroneStatus.Destroyed, msg);
+            VerifyAndExportReport(eng, drone);
         }
 
         // ═══════════════════════════════════════════════
@@ -398,11 +412,7 @@ namespace CounterDrone.Core.Tests
             Assert.True(launched > 0, msg);
             Assert.True(cloudsGenerated > 0, msg);
             Assert.True(drone.Status == DroneStatus.Destroyed, msg);
-
-            var detailJ = _scenario.GetTaskDetail(_taskId)!;
-            var report = new ReportGenerator().Generate(detailJ, eng.Events.ToList(), drone.Status, eng.SimulationTime);
-            Assert.Contains("成功拦截", report);
-            Assert.Contains(detailJ.Task.Name, report);
+            VerifyAndExportReport(eng, drone);
         }
     }
 }

test/unit/CounterDrone.Core.Tests/ReportServiceTests.cs

@@ -23,7 +23,7 @@ namespace CounterDrone.Core.Tests
             var paths = new TestPathProvider(_testDir);
             var dbm = new DatabaseManager(paths);
             _db = dbm.OpenMainDb();
-            _service = new ReportService(_db);
+            _service = new ReportService(_db, paths);
         }
 
         public void Dispose()