chore: establish learning module baseline

OpenMAIC/tests/course-framework/module-digest.test.ts

@@ -0,0 +1,124 @@
+import { describe, expect, test } from 'vitest';
+import type { PersistedClassroomData } from '@/lib/server/classroom-storage';
+import {
+  buildCourseModuleOutputDigest,
+  formatPreviousModuleContext,
+} from '@/lib/course-framework/module-digest';
+
+function classroomFixture(): PersistedClassroomData {
+  return {
+    id: 'classroom-actual-1',
+    createdAt: '2026-08-15T09:00:00.000Z',
+    stage: { id: 'stage-1', name: '实际生成的机器学习基础' } as never,
+    scenes: [
+      {
+        id: 'scene-slide',
+        stageId: 'stage-1',
+        order: 1,
+        title: '监督学习基础',
+        type: 'slide',
+        content: {
+          type: 'slide',
+          canvas: {
+            id: 'slide-1',
+            viewportSize: 1000,
+            viewportRatio: 0.5625,
+            theme: {},
+            elements: [
+              {
+                id: 'text-1',
+                type: 'text',
+                content: '<p>特征、标签与训练样本</p>',
+              },
+            ],
+          },
+        },
+        actions: [{ id: 'speech-1', type: 'speech', text: '比较监督学习和无监督学习。' }],
+      },
+      {
+        id: 'scene-interactive',
+        stageId: 'stage-1',
+        order: 2,
+        title: '分类边界实验室',
+        type: 'interactive',
+        content: {
+          type: 'interactive',
+          widgetType: 'simulation',
+          widgetConfig: { type: 'simulation', concept: '决策边界', challenge: '调整样本分布' },
+          html: '<style>.noise{color:red}</style><h1>拖动数据点观察边界变化</h1><script>ignore()</script>',
+        },
+      },
+      {
+        id: 'scene-quiz',
+        stageId: 'stage-1',
+        order: 3,
+        title: '概念检查',
+        type: 'quiz',
+        content: {
+          type: 'quiz',
+          questions: [
+            {
+              id: 'q-1',
+              type: 'single',
+              question: '标签在监督学习中承担什么作用？',
+            },
+          ],
+        },
+      },
+      {
+        id: 'scene-pbl',
+        stageId: 'stage-1',
+        order: 4,
+        title: '识别真实业务问题',
+        type: 'pbl',
+        content: {
+          type: 'pbl',
+          projectV2: {
+            title: '业务问题分类项目',
+            description: '判断问题适合监督学习还是无监督学习。',
+            learningObjective: '能够把业务目标转成学习任务。',
+            milestones: [{ title: '提交问题定义' }],
+          },
+        },
+      },
+    ] as never,
+  };
+}
+
+describe('course module output digest', () => {
+  test('extracts bounded evidence from all four actual scene types', () => {
+    const digest = buildCourseModuleOutputDigest(classroomFixture());
+
+    expect(digest.sceneTypeCounts).toEqual({ slide: 1, quiz: 1, interactive: 1, pbl: 1 });
+    expect(digest.sceneCount).toBe(4);
+    expect(digest.coveredConcepts).toContain('监督学习基础');
+    expect(digest.coveredConcepts).toContain('特征、标签与训练样本');
+    expect(digest.coveredConcepts).toContain('拖动数据点观察边界变化');
+    expect(digest.coveredConcepts.join(' ')).not.toContain('ignore()');
+    expect(digest.assessments).toContain('标签在监督学习中承担什么作用？');
+    expect(digest.assessments).toContain('提交问题定义');
+    expect(digest.interactiveExperiences).toEqual([
+      '分类边界实验室（simulation, interactive-html）',
+      '识别真实业务问题（PBL）',
+    ]);
+    expect(digest.semanticHash).toMatch(/^sha256:[a-f0-9]{64}$/);
+    expect(buildCourseModuleOutputDigest(classroomFixture()).semanticHash).toBe(
+      digest.semanticHash,
+    );
+  });
+
+  test('formats actual prior outputs as bounded continuity context', () => {
+    const digest = buildCourseModuleOutputDigest(classroomFixture());
+    const context = formatPreviousModuleContext([
+      { index: 1, title: '基础模块', outputDigest: digest },
+      { index: 2, title: '练习模块', outputDigest: { ...digest, classroomId: 'classroom-2' } },
+    ]);
+
+    expect(context).toContain('模块 1《基础模块》');
+    expect(context).toContain('实际摘要');
+    expect(context).toContain('实际覆盖');
+    expect(context).toContain('实际语义哈希');
+    expect(context).toContain('分类边界实验室（simulation, interactive-html）');
+    expect(context.length).toBeLessThanOrEqual(12_000);
+  });
+});