update

src/components/PrintBook.test.ts

@@ -0,0 +1,23 @@
+import { mount } from '@vue/test-utils'
+import { describe, expect, it } from 'vitest'
+import { createEmptyTeachingDesign } from '../domain/teachingDesign'
+import PrintBook from './PrintBook.vue'
+
+describe('PrintBook', () => {
+  it('renders one cover and every lesson in current order', () => {
+    const first = createEmptyTeachingDesign('2.md')
+    first.topic = '第二课'
+    const second = createEmptyTeachingDesign('1.md')
+    second.topic = '第一课'
+
+    const wrapper = mount(PrintBook, {
+      props: {
+        cover: { courseName: 'Web 前端开发', teacherName: '张老师' },
+        designs: [first, second],
+      },
+    })
+
+    expect(wrapper.findAll('.print-section')).toHaveLength(3)
+    expect(wrapper.text().indexOf('第二课')).toBeLessThan(wrapper.text().indexOf('第一课'))
+  })
+})