选课批次：时间窗口、退课截止、学分上限、开放/关闭。

教学班投放：容量、班级范围、全校开放。学生选退课：容量、重复课程、学分上限、课表冲突校验。教学班实时名单。校级、学院级、学生角色分级操作。 SQLite 本地增量升级及演示数据。 MySQL 正式 EF Core 迁移。 Vue 已编译进 wwwroot，单服务运行无需 npm run dev。学生端和管理端均完成桌面、手机响应式检查。
2026-07-24 15:17:26 +08:00
parent bcc4d33bd5
commit 151a22554f
19 changed files with 3972 additions and 6 deletions
@@ -0,0 +1,82 @@
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Infrastructure.CourseSelection;
+
+namespace Jiaowu.Api.Tests;
+
+public sealed class CourseSelectionRulesTests
+{
+    [Fact]
+    public void Selection_requires_open_status_and_active_window()
+    {
+        var now = new DateTime(2026, 7, 24, 8, 0, 0, DateTimeKind.Utc);
+        var round = CreateRound(now.AddHours(-1), now.AddHours(1));
+
+        Assert.True(CourseSelectionRules.IsSelectionOpen(round, now));
+
+        round.Status = CourseSelectionRoundStatus.Closed;
+        Assert.False(CourseSelectionRules.IsSelectionOpen(round, now));
+
+        round.Status = CourseSelectionRoundStatus.Open;
+        Assert.False(CourseSelectionRules.IsSelectionOpen(round, now.AddHours(2)));
+    }
+
+    [Fact]
+    public void Withdrawal_respects_deadline()
+    {
+        var now = new DateTime(2026, 7, 24, 8, 0, 0, DateTimeKind.Utc);
+        var round = CreateRound(now.AddDays(-1), now.AddDays(1));
+        round.WithdrawalEndsAt = now.AddMinutes(30);
+
+        Assert.True(CourseSelectionRules.CanWithdraw(round, now));
+        Assert.False(CourseSelectionRules.CanWithdraw(round, now.AddHours(1)));
+    }
+
+    [Fact]
+    public void Schedule_conflict_detects_overlapping_weeks_and_periods()
+    {
+        var selected = CreateEntry(1, 1, 2, 1, 16, WeekPattern.All);
+        var overlapping = CreateEntry(1, 2, 2, 1, 16, WeekPattern.All);
+
+        Assert.True(CourseSelectionRules.HasScheduleConflict(
+            [overlapping],
+            [selected]));
+    }
+
+    [Fact]
+    public void Odd_and_even_week_entries_do_not_conflict()
+    {
+        var selected = CreateEntry(3, 5, 2, 1, 16, WeekPattern.Odd);
+        var candidate = CreateEntry(3, 5, 2, 1, 16, WeekPattern.Even);
+
+        Assert.False(CourseSelectionRules.HasScheduleConflict(
+            [candidate],
+            [selected]));
+    }
+
+    private static CourseSelectionRound CreateRound(DateTime startsAt, DateTime endsAt) =>
+        new()
+        {
+            Name = "第一轮选课",
+            StartsAt = startsAt,
+            EndsAt = endsAt,
+            WithdrawalEndsAt = endsAt.AddDays(1),
+            Status = CourseSelectionRoundStatus.Open
+        };
+
+    private static ScheduleEntry CreateEntry(
+        int dayOfWeek,
+        int startPeriod,
+        int periodCount,
+        int startWeek,
+        int endWeek,
+        WeekPattern weekPattern) =>
+        new()
+        {
+            DayOfWeek = dayOfWeek,
+            StartPeriod = startPeriod,
+            PeriodCount = periodCount,
+            StartWeek = startWeek,
+            EndWeek = endWeek,
+            WeekPattern = weekPattern
+        };
+}