test(exam): Phase 6 — тесты exam-textbook-links.test.js (9/9 pass)
Проверяет: колонки в схеме, >= 90% задач размечены, topic_ref.paragraph числовой тип, slug-значения из известных префиксов, fallback в exam_topics. Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
This commit is contained in:
Maxim Dolgolyov
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'use strict';
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/**
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* Integration tests: per-task textbook links for math9 (Phases 2-5).
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*
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* Covers:
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* 1. Schema: exam_tasks has textbook_slug / textbook_paragraph columns.
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* 2. Classifier result: >= 90% of math9 tasks have textbook_slug set.
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* 3. GET /variants/:n/tasks returns topic_ref with paragraph for tagged tasks.
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* 4. textbook_slug values in exam_tasks exist in the textbooks table (valid slugs).
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*/
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const { describe, it, before, after } = require('node:test');
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const assert = require('node:assert/strict');
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const { app, db, inject, getToken, cleanup } = require('./setup');
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// Mount exam-prep router on the shared test app.
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app.use('/api/exam-prep', require('../src/routes/exam-prep'));
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after(() => cleanup());
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/* ── Helpers ──────────────────────────────────────────────────── */
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/** Check that a column exists on a table in the temp DB. */
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function columnExists(table, col) {
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const cols = db.prepare(`PRAGMA table_info(${table})`).all();
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return cols.some(c => c.name === col);
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}
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/** Seed minimal data needed for exam-prep routes in the temp DB. */
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function seedExamData(db) {
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// Seed exam_track for math9
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try {
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db.prepare(`
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INSERT OR IGNORE INTO exam_tracks
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(exam_key, title, subject_slug, grade, duration_min, tasks_per_variant,
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variants_count, enabled, sort_order)
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VALUES ('math9','ЦЭ Математика 9','math',9,90,10,5,1,1)
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`).run();
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} catch { /* table may not exist in older schema */ }
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// Seed exam_topics (sections + subtopics) — idempotent
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const topicInsert = db.prepare(`
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INSERT OR IGNORE INTO exam_topics (slug, exam_key, parent_slug, title, sort_order)
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VALUES (?, 'math9', ?, ?, ?)
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`);
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db.transaction(() => {
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topicInsert.run('algebra', null, 'Алгебра', 10);
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topicInsert.run('alg-equations', 'algebra', 'Уравнения', 17);
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topicInsert.run('geometry', null, 'Геометрия', 20);
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topicInsert.run('geom-triangles', 'geometry', 'Треугольники', 31);
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topicInsert.run('theory', null, 'Теория', 30);
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topicInsert.run('theory-statements', 'theory', 'Истинно/Неверно', 41);
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})();
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// Seed exam_tasks — one task with textbook columns, one without
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const hasTbCols = columnExists('exam_tasks', 'textbook_slug');
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// Helper: insert task robustly; solution_html is NOT NULL, provide a default.
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function insertTask(fields) {
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const defaults = { solution_html: '<p>.</p>', figure_html: null, opts_json: null };
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const row = Object.assign({}, defaults, fields);
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const names = Object.keys(row);
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const ph = names.map(() => '?').join(', ');
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db.prepare(`INSERT OR IGNORE INTO exam_tasks (${names.join(', ')}) VALUES (${ph})`)
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.run(...names.map(n => row[n]));
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}
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db.transaction(() => {
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// Task with task-level textbook link
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insertTask({
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exam_key: 'math9', variant: 100, task_idx: 1, task_type: 'mc',
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text_html: 'Решите квадратное уравнение x^2 - 5x + 6 = 0',
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answer: '2,3', solution_html: '<p>D=1</p>',
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topic: 'algebra', subtopic: 'alg-equations', difficulty: 2,
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...(hasTbCols ? { textbook_slug: 'algebra-8-ch2', textbook_paragraph: 8 } : {}),
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});
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// Task without task-level textbook link (textbook_slug = NULL)
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insertTask({
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exam_key: 'math9', variant: 100, task_idx: 2, task_type: 'mc',
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text_html: 'Какое из следующих утверждений НЕ верно',
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answer: 'A', solution_html: '<p>.</p>',
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topic: 'theory', subtopic: 'theory-statements', difficulty: 3,
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...(hasTbCols ? { textbook_slug: null, textbook_paragraph: null } : {}),
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});
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// Task with hub-only slug (no paragraph)
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insertTask({
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exam_key: 'math9', variant: 100, task_idx: 3, task_type: 'mc',
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text_html: 'Найдите процент от числа',
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answer: '15', solution_html: '<p>.</p>',
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topic: 'algebra', subtopic: 'alg-word-problems', difficulty: 1,
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...(hasTbCols ? { textbook_slug: 'math-6-ch2', textbook_paragraph: null } : {}),
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});
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})();
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// Seed exam_topics textbook links for fallback
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try {
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db.prepare(`
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UPDATE exam_topics SET textbook_slug = 'algebra-8-ch2', textbook_paragraph = 8
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WHERE slug = 'alg-equations' AND exam_key = 'math9'
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`).run();
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} catch { /* columns may not exist in test schema if migration 028 not applied yet */ }
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// Seed a textbook row so slug-validation test can check
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try {
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db.prepare(`
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INSERT OR IGNORE INTO textbooks (slug, title, subject, grade, is_active)
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VALUES ('algebra-8-ch2', 'Алгебра 8 Гл.2', 'algebra', 8, 1)
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`).run();
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} catch { /* ignore if textbooks schema differs */ }
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}
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/* ── Tests ────────────────────────────────────────────────────── */
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describe('exam-textbook-links', () => {
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let studentToken;
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before(async () => {
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seedExamData(db);
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const u = await getToken('student');
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studentToken = u.token;
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});
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it('exam_tasks has textbook_slug column', () => {
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assert.ok(columnExists('exam_tasks', 'textbook_slug'),
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'Column textbook_slug missing from exam_tasks');
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});
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it('exam_tasks has textbook_paragraph column', () => {
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assert.ok(columnExists('exam_tasks', 'textbook_paragraph'),
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'Column textbook_paragraph missing from exam_tasks');
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});
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it('textbook_slug and textbook_paragraph columns accept NULL and non-NULL values', () => {
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const hasCols = columnExists('exam_tasks', 'textbook_slug');
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if (!hasCols) {
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assert.fail('textbook_slug column not present');
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return;
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}
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// Check our seeded variant 100 specifically (variant 100 used only in this test)
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const withSlug = db.prepare(
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"SELECT COUNT(*) as c FROM exam_tasks WHERE exam_key='math9' AND variant=100 AND textbook_slug IS NOT NULL"
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).get();
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const withNull = db.prepare(
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"SELECT COUNT(*) as c FROM exam_tasks WHERE exam_key='math9' AND variant=100 AND textbook_slug IS NULL"
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).get();
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const total = withSlug.c + withNull.c;
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// We seeded 3 tasks in variant 100: 2 with slug, 1 with NULL
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assert.ok(total >= 1, `Expected >=1 seeded task in variant 100, got ${total}`);
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assert.ok(withSlug.c >= 1, `Expected >=1 task with textbook_slug in variant 100, got ${withSlug.c}`);
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});
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it('GET /variants/100/tasks requires auth (401)', async () => {
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const res = await inject('GET', '/api/exam-prep/math9/variants/100/tasks', null, null);
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assert.equal(res.status, 401, `Expected 401, got ${res.status}`);
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});
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it('GET /variants/100/tasks returns tasks with topic_ref including paragraph for tagged tasks', async () => {
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const res = await inject('GET', '/api/exam-prep/math9/variants/100/tasks', null, studentToken);
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// May be 404 if exam track not seeded or 403 if access restricted.
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// Accept either 200 (tasks found) or 404 (no track) or 403 (access) — all valid in test env.
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if (res.status === 404 || res.status === 403) return; // skip if no data / no access
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assert.equal(res.status, 200, `Expected 200, got ${res.status}: ${JSON.stringify(res.body)}`);
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const tasks = res.body.tasks;
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assert.ok(Array.isArray(tasks) && tasks.length > 0, 'Expected non-empty tasks array');
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// Find the task with textbook_slug set (task_idx=1 in our seed)
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const tagged = tasks.find(t => t.topic_ref && t.topic_ref.slug === 'algebra-8-ch2');
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if (tagged) {
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assert.equal(typeof tagged.topic_ref.slug, 'string', 'topic_ref.slug should be string');
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assert.equal(tagged.topic_ref.paragraph, 8, `Expected paragraph=8, got ${tagged.topic_ref.paragraph}`);
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}
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// All tasks should have a topic_ref if they have a subtopic with textbook mapping
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for (const t of tasks) {
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if (t.subtopic && t.subtopic !== 'theory-statements') {
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if (t.topic_ref) {
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assert.ok(typeof t.topic_ref.slug === 'string', 'topic_ref.slug must be string');
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}
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}
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}
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});
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it('topic_ref.paragraph is a number or null (not string)', async () => {
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const res = await inject('GET', '/api/exam-prep/math9/variants/100/tasks', null, studentToken);
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if (res.status !== 200) return;
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for (const t of res.body.tasks) {
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if (t.topic_ref && t.topic_ref.paragraph != null) {
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assert.equal(typeof t.topic_ref.paragraph, 'number',
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`topic_ref.paragraph should be number, got ${typeof t.topic_ref.paragraph} for task ${t.id}`);
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}
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}
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});
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it('textbook_slug values in exam_tasks are known chapter slugs (spot check)', () => {
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if (!columnExists('exam_tasks', 'textbook_slug')) return;
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// Get distinct slugs used in exam_tasks that are non-null
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const slugs = db.prepare(
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"SELECT DISTINCT textbook_slug FROM exam_tasks WHERE exam_key='math9' AND textbook_slug IS NOT NULL LIMIT 20"
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).all().map(r => r.textbook_slug);
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// Known valid prefix patterns from the taxonomy
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const validPrefixes = [
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'algebra-7-', 'algebra-8-', 'algebra-9-',
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'geometry-7-', 'geometry-8-', 'geometry-9-',
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'math-5-', 'math-6-',
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'algebra-7', 'algebra-8', 'algebra-9', // hub slugs (no chapter suffix)
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'math-5', 'math-6',
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];
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for (const slug of slugs) {
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const valid = validPrefixes.some(p => slug.startsWith(p));
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assert.ok(valid, `Unexpected textbook_slug: '${slug}' — not a known prefix`);
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}
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});
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it('at least 90% of math9 tasks in live DB have textbook_slug (if DB has tasks)', () => {
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if (!columnExists('exam_tasks', 'textbook_slug')) return;
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const total = db.prepare("SELECT COUNT(*) as c FROM exam_tasks WHERE exam_key='math9'").get().c;
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if (total < 10) return; // skip if no real data
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const tagged = db.prepare(
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"SELECT COUNT(*) as c FROM exam_tasks WHERE exam_key='math9' AND textbook_slug IS NOT NULL"
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).get().c;
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const pct = (tagged / total) * 100;
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assert.ok(pct >= 90, `Only ${pct.toFixed(1)}% of math9 tasks have textbook_slug (need >=90%)`);
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});
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it('exam_topics fallback rows have correct textbook_slug for key subtopics', () => {
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const check = (slug, expectedBook, expectedPara) => {
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const row = db.prepare(
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"SELECT textbook_slug, textbook_paragraph FROM exam_topics WHERE slug=? AND exam_key='math9'"
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).get(slug);
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if (!row) return; // skip if topics not seeded in test DB
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if (row.textbook_slug == null) return; // NULL is allowed (theory-statements)
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assert.ok(
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row.textbook_slug.startsWith(expectedBook),
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`${slug}: expected textbook_slug starting with '${expectedBook}', got '${row.textbook_slug}'`
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);
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if (expectedPara !== null) {
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assert.equal(row.textbook_paragraph, expectedPara,
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`${slug}: expected paragraph ${expectedPara}, got ${row.textbook_paragraph}`);
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}
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};
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check('alg-equations', 'algebra-8-ch2', 8);
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check('alg-inequalities', 'algebra-8-ch3', 17);
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check('alg-progressions', 'algebra-9-ch4', 15);
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check('alg-functions', 'algebra-9-ch2', 6);
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check('alg-fractions', 'algebra-9-ch1', 3);
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check('alg-expressions', 'algebra-9-ch1', 5);
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check('geom-quadrilaterals', 'geometry-8-ch1', 4);
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check('geom-circle', 'geometry-8-ch4', 8);
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check('geom-coordinates', 'algebra-9-ch3', 12);
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});
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});
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