修复考试安排

tests/Jiaowu.Api.Tests/ExamArrangementServiceTests.cs

@@ -31,6 +31,7 @@ public sealed class ExamArrangementServiceTests
         plan.Sessions.Add(untouched);
         db.ExamPlans.Add(plan);
         await db.SaveChangesAsync();
+        db.ChangeTracker.Clear();
 
         var result = await new ExamArrangementService(db).ArrangeAsync(
             plan.Id,
@@ -39,11 +40,14 @@ public sealed class ExamArrangementServiceTests
             assignInvigilators: false,
             CancellationToken.None);
 
+        var persistedSelected = await db.ExamSessions.FindAsync(selected.Id);
+        var persistedUntouched = await db.ExamSessions.FindAsync(untouched.Id);
         Assert.True(result.Success);
-        Assert.NotNull(selected.ClassroomId);
-        Assert.Null(untouched.ClassroomId);
-        Assert.Empty(selected.Invigilators);
+        Assert.NotNull(persistedSelected!.ClassroomId);
+        Assert.Null(persistedUntouched!.ClassroomId);
+        Assert.Empty(persistedSelected.Invigilators);
         Assert.Contains("1个场次处理完成", result.Message);
+        Assert.Contains("程序设计", result.Message);
     }
 
     [Fact]
@@ -69,6 +73,7 @@ public sealed class ExamArrangementServiceTests
         plan.Sessions.Add(untouched);
         db.MakeupExamPlans.Add(plan);
         await db.SaveChangesAsync();
+        db.ChangeTracker.Clear();
 
         var result = await new MakeupExamArrangementService(db).ArrangeAsync(
             plan.Id,
@@ -77,11 +82,14 @@ public sealed class ExamArrangementServiceTests
             assignInvigilators: false,
             CancellationToken.None);
 
+        var persistedSelected = await db.MakeupExamSessions.FindAsync(selected.Id);
+        var persistedUntouched = await db.MakeupExamSessions.FindAsync(untouched.Id);
         Assert.True(result.Success);
-        Assert.NotNull(selected.ClassroomId);
-        Assert.Null(untouched.ClassroomId);
-        Assert.Empty(selected.Invigilators);
+        Assert.NotNull(persistedSelected!.ClassroomId);
+        Assert.Null(persistedUntouched!.ClassroomId);
+        Assert.Empty(persistedSelected.Invigilators);
         Assert.Contains("1个场次处理完成", result.Message);
+        Assert.Contains("程序设计", result.Message);
     }
 
     private static ExamSession NewExamSession(Guid planId, Guid taskId) => new()