96 lines
3.2 KiB
TypeScript
96 lines
3.2 KiB
TypeScript
import { afterEach, describe, expect, it, setSystemTime } from 'bun:test'
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import { createEmptyBook, createEmptyTeachingDesign } from '../src/domain/teachingDesign'
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import { createBook, deleteBook, getBook, listBooks, openDb, renameBook, saveBookData } from './db'
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afterEach(() => {
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setSystemTime()
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})
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describe('db', () => {
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it('creates a book with empty data', () => {
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const db = openDb(':memory:')
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const created = createBook(db, '示例整本')
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expect(created.name).toBe('示例整本')
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expect(created.data.designs).toEqual([])
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expect(created.data.schemaVersion).toBe(1)
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})
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it('retrieves a created book by id', () => {
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const db = openDb(':memory:')
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const created = createBook(db, '示例整本')
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expect(getBook(db, created.id)).toEqual(created)
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})
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it('returns null for a missing book', () => {
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const db = openDb(':memory:')
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expect(getBook(db, 'missing')).toBeNull()
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})
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it('lists books ordered by most recently updated, with lesson counts', () => {
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const db = openDb(':memory:')
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setSystemTime(new Date('2026-01-01T00:00:00.000Z'))
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const first = createBook(db, '第一本')
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setSystemTime(new Date('2026-01-02T00:00:00.000Z'))
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const second = createBook(db, '第二本')
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const data = createEmptyBook()
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data.designs.push(createEmptyTeachingDesign('1.md'))
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setSystemTime(new Date('2026-01-03T00:00:00.000Z'))
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saveBookData(db, first.id, data)
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const books = listBooks(db)
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expect(books.map((book) => book.id)).toEqual([first.id, second.id])
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expect(books[0]?.lessonCount).toBe(1)
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expect(books[1]?.lessonCount).toBe(0)
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})
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it('saves book data and updates updated_at', () => {
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const db = openDb(':memory:')
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const created = createBook(db, '示例整本')
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const data = createEmptyBook()
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data.cover.courseName = 'Web 前端开发'
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setSystemTime(new Date('2026-02-01T00:00:00.000Z'))
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const result = saveBookData(db, created.id, data)
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expect(result).toEqual({ id: created.id, name: '示例整本', updatedAt: '2026-02-01T00:00:00.000Z' })
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expect(getBook(db, created.id)?.data.cover.courseName).toBe('Web 前端开发')
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})
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it('returns null when saving data for a missing book', () => {
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const db = openDb(':memory:')
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expect(saveBookData(db, 'missing', createEmptyBook())).toBeNull()
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})
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it('renames a book without changing updated_at', () => {
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const db = openDb(':memory:')
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const created = createBook(db, '旧名称')
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const result = renameBook(db, created.id, '新名称')
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expect(result).toEqual({ id: created.id, name: '新名称', updatedAt: created.updatedAt })
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expect(getBook(db, created.id)?.name).toBe('新名称')
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})
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it('returns null when renaming a missing book', () => {
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const db = openDb(':memory:')
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expect(renameBook(db, 'missing', '新名称')).toBeNull()
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})
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it('deletes a book', () => {
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const db = openDb(':memory:')
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const created = createBook(db, '示例整本')
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expect(deleteBook(db, created.id)).toBe(true)
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expect(getBook(db, created.id)).toBeNull()
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})
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it('returns false when deleting a missing book', () => {
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const db = openDb(':memory:')
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expect(deleteBook(db, 'missing')).toBe(false)
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})
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})
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