Files
WechatExplorer/tests/unit/export-media.test.ts
T
Wxw-Gu c6587c517a feat: 增强 HTML 聊天档案导出
- 增加时间轴、消息筛选、搜索和完整时间显示
- 使用窗口化懒加载优化大消息档案
- 支持同名档案增量合并并安全复用媒体资源
2026-08-04 12:29:38 +08:00

106 lines
4.4 KiB
TypeScript

import { describe, expect, it } from 'vitest'
import { JSDOM } from 'jsdom'
import { EXPORT_PAGE_SIZE, renderExportPage } from '../../src/main/export-html-template'
import { getImageExportAttempts } from '../../src/shared/export-media'
import type { Message } from '../../src/shared/types'
const inlineScriptOf = (html: string): string =>
Array.from(html.matchAll(/<script(?:\s[^>]*)?>([\s\S]*?)<\/script>/g))
.map((match) => match[1].trim())
.find(Boolean) || ''
describe('export media', () => {
it('always attempts the original before an explicitly enabled thumbnail fallback', () => {
const first = getImageExportAttempts({ preferOriginal: true, fallbackThumbnail: true })
const repeated = getImageExportAttempts({ preferOriginal: true, fallbackThumbnail: true })
expect(first).toEqual([
{ allowThumbnail: false, preferThumbnail: false, fallback: false },
{ allowThumbnail: true, preferThumbnail: true, fallback: true }
])
expect(repeated).toEqual(first)
})
it('loads archive data and provides timeline, filters, search, and bounded lazy rendering', () => {
const html = renderExportPage('脱敏导出')
expect(EXPORT_PAGE_SIZE).toBe(240)
expect(html).toContain('<script src="data/messages.js"></script>')
expect(html).toContain('aria-label="聊天时间轴"')
expect(html).toContain('data-kind="media"')
expect(html).toContain('placeholder="搜索发送者或消息内容…"')
expect(html).toContain('filtered.slice(windowStart, windowEnd)')
expect(html).toContain('windowStart = Math.max(0, windowEnd - PAGE_SIZE)')
expect(html).toContain('date.getSeconds()')
const inlineScript = inlineScriptOf(html)
expect(inlineScript).toBeTruthy()
expect(() => new Function(inlineScript)).not.toThrow()
})
it('initially renders only one page and searches the full archive dataset', () => {
const html = renderExportPage('大量消息')
const dom = new JSDOM(html, { runScripts: 'outside-only' })
const messages = Array.from(
{ length: 500 },
(_, index): Message => ({
id: `message-${index}`,
from: 'user',
type: '普通文本',
datetime: '',
content: index % 100 === 0 ? `needle-${index}` : `普通消息-${index}`,
isSender: false,
createTime: 1_767_225_600 + index * 86_400
})
)
Object.assign(dom.window, {
__WECHAT_EXPORT__: {
version: 1,
sourceId: 'fixture',
name: '大量消息',
exportedAt: '2026-08-04T00:00:00.000Z',
messages
}
})
dom.window.eval(inlineScriptOf(html))
expect(dom.window.document.querySelectorAll('.message')).toHaveLength(EXPORT_PAGE_SIZE)
expect(dom.window.document.querySelector('#count')?.textContent).toBe(
'已显示 240 / 筛选 500 / 全部 500'
)
const list = dom.window.document.querySelector('#messages')!
for (let index = 0; index < 5; index += 1) {
list.dispatchEvent(new dom.window.Event('scroll'))
expect(dom.window.document.querySelectorAll('.message').length).toBeLessThanOrEqual(
EXPORT_PAGE_SIZE
)
}
const search = dom.window.document.querySelector('#query') as HTMLInputElement
search.value = 'needle'
search.dispatchEvent(new dom.window.Event('input'))
expect(dom.window.document.querySelectorAll('.message')).toHaveLength(5)
expect(dom.window.document.querySelectorAll('.timeline-month').length).toBeGreaterThan(1)
dom.window.close()
})
it('keeps relative media, file download, quote, and missing-media renderers', () => {
const html = renderExportPage('媒体档案')
expect(html).toContain('audio class="audio" controls preload="metadata"')
expect(html).toContain('video class="media-image" controls preload="metadata"')
expect(html).toContain('class="file-attachment" href="')
expect(html).toContain('class="quote-reference"')
expect(html).toContain('message.exportMediaError')
expect(html).not.toMatch(/(?:src|href)="[A-Za-z]:\\/)
})
it('renders explicit and keyboard-accessible lightbox closing controls', () => {
const html = renderExportPage('图片预览')
expect(html).toContain('aria-label="关闭图片预览"')
expect(html).toContain("closeButton.addEventListener('click', closeLightbox)")
expect(html).toContain('if (event.target === box) closeLightbox()')
expect(html).toContain("if (event.key === 'Escape') closeLightbox()")
})
})