已完成“成绩管理与学业档案”模块：

教师批量录入平时、期中、期末成绩。自动计算总评、绩点和及格状态。支持缺考、缓考、免修。教师提交 → 学院审核/退回 → 校级发布。学生只能查看正式发布成绩。自动统计平均分、完成度、及格率和加权 GPA。 SQLite 本地增量升级和 MySQL 正式迁移均已完成。分级权限在前后端同时校验。
2026-07-24 15:33:47 +08:00
parent 151a22554f
commit af52e27a3a
18 changed files with 3686 additions and 22 deletions
@@ -0,0 +1,61 @@
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Infrastructure.Grades;
+
+namespace Jiaowu.Api.Tests;
+
+public sealed class GradeCalculatorTests
+{
+    [Theory]
+    [InlineData(30, 0, 70, true)]
+    [InlineData(20, 20, 60, true)]
+    [InlineData(30, 20, 40, false)]
+    [InlineData(-10, 40, 70, false)]
+    public void Weights_must_be_non_negative_and_total_one_hundred(
+        decimal regular,
+        decimal midterm,
+        decimal final,
+        bool expected)
+    {
+        Assert.Equal(
+            expected,
+            GradeCalculator.AreWeightsValid(regular, midterm, final));
+    }
+
+    [Fact]
+    public void Total_uses_configured_weights_and_one_decimal_rounding()
+    {
+        var total = GradeCalculator.CalculateTotal(
+            83,
+            null,
+            91,
+            30,
+            0,
+            70,
+            GradeExamStatus.Normal);
+
+        Assert.Equal(88.6m, total);
+        Assert.Equal(3.7m, GradeCalculator.CalculateGradePoint(total));
+    }
+
+    [Fact]
+    public void Missing_required_component_keeps_total_unresolved()
+    {
+        Assert.Null(GradeCalculator.CalculateTotal(
+            83,
+            null,
+            null,
+            30,
+            0,
+            70,
+            GradeExamStatus.Normal));
+    }
+
+    [Theory]
+    [InlineData(GradeExamStatus.Absent)]
+    [InlineData(GradeExamStatus.Deferred)]
+    [InlineData(GradeExamStatus.Exempt)]
+    public void Exceptional_exam_status_has_no_numeric_total(GradeExamStatus status)
+    {
+        Assert.Null(GradeCalculator.CalculateTotal(90, null, 90, 30, 0, 70, status));
+    }
+}