update

src/composables/useTeachingBook.test.ts

@@ -0,0 +1,38 @@
+import { beforeEach, describe, expect, it, vi } from 'vitest'
+import { useTeachingBook } from './useTeachingBook'
+
+describe('useTeachingBook', () => {
+  beforeEach(() => {
+    localStorage.clear()
+    vi.useFakeTimers()
+  })
+
+  it('imports files in natural order and selects the first lesson', async () => {
+    const store = useTeachingBook()
+    const files = [
+      new File(['# 第十课 教学设计'], '10.md', { type: 'text/markdown' }),
+      new File(['# 第二课 教学设计'], '2.md', { type: 'text/markdown' }),
+    ]
+
+    await store.importFiles(files, 'keep')
+
+    expect(store.book.value.designs.map((design) => design.originalFilename)).toEqual([
+      '2.md',
+      '10.md',
+    ])
+    expect(store.book.value.selectedId).toBe(store.book.value.designs[0]?.id)
+  })
+
+  it('reorders lessons without changing their identities', async () => {
+    const store = useTeachingBook()
+    await store.importFiles([
+      new File(['# One 教学设计'], '1.md'),
+      new File(['# Two 教学设计'], '2.md'),
+    ], 'keep')
+
+    const ids = store.book.value.designs.map((design) => design.id)
+    store.moveDesign(0, 1)
+
+    expect(store.book.value.designs.map((design) => design.id)).toEqual(ids.reverse())
+  })
+})