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