预演

2026-07-27 12:20:29 +08:00
parent 727a429abf
commit 33ae991e86
16 changed files with 7117 additions and 8 deletions
@@ -0,0 +1,87 @@
+using Jiaowu.Api.Domain.Academic;
+using Jiaowu.Api.Infrastructure.Graduation;
+
+namespace Jiaowu.Api.Tests;
+
+public sealed class AcademicPlanningRulesTests
+{
+    private static readonly Guid AdvancedCourseId = Guid.NewGuid();
+    private static readonly Guid PrerequisiteCourseId = Guid.NewGuid();
+
+    private static readonly AcademicPlanningCourseSnapshot[] Courses =
+    [
+        new(
+            PrerequisiteCourseId,
+            "程序设计基础",
+            4,
+            1,
+            CurriculumCourseType.Required,
+            []),
+        new(
+            AdvancedCourseId,
+            "数据结构",
+            4,
+            2,
+            CurriculumCourseType.Required,
+            [PrerequisiteCourseId])
+    ];
+
+    [Fact]
+    public void Prerequisite_must_be_completed_or_planned_in_an_earlier_term()
+    {
+        var sameTerm = AcademicPlanningRules.FindPrerequisiteIssues(
+            Courses,
+            new HashSet<Guid>(),
+            new HashSet<Guid>(),
+            new Dictionary<Guid, int>
+            {
+                [PrerequisiteCourseId] = 3,
+                [AdvancedCourseId] = 3
+            });
+
+        var correctOrder = AcademicPlanningRules.FindPrerequisiteIssues(
+            Courses,
+            new HashSet<Guid>(),
+            new HashSet<Guid>(),
+            new Dictionary<Guid, int>
+            {
+                [PrerequisiteCourseId] = 3,
+                [AdvancedCourseId] = 4
+            });
+
+        Assert.Single(sameTerm);
+        Assert.Empty(correctOrder);
+    }
+
+    [Fact]
+    public void In_progress_prerequisite_unlocks_next_term_suggestion()
+    {
+        var suggestion = AcademicPlanningRules.SuggestNextSemester(
+            Courses,
+            new HashSet<Guid>(),
+            new HashSet<Guid>([PrerequisiteCourseId]),
+            2);
+
+        Assert.Equal([AdvancedCourseId], suggestion);
+    }
+
+    [Theory]
+    [InlineData(0, 0, 5, 4, 4)]
+    [InlineData(25, 0, 5, 4, 6)]
+    [InlineData(0, 7, 5, 4, 6)]
+    public void Completion_estimate_uses_credit_and_requirement_capacity(
+        decimal remainingCredits,
+        int remainingRequirements,
+        int nextSemester,
+        int latestPlannedSemester,
+        int expectedSemester)
+    {
+        Assert.Equal(
+            expectedSemester,
+            AcademicPlanningRules.EstimateCompletionSemester(
+                nextSemester,
+                latestPlannedSemester,
+                remainingCredits,
+                remainingRequirements));
+    }
+}