mirror of
https://wget.la/https://github.com/Wxw-Gu/WechatExplorer
synced 2026-08-17 11:37:06 +08:00
305 lines
10 KiB
TypeScript
305 lines
10 KiB
TypeScript
import { dirname, join } from 'path'
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import { existsSync, mkdirSync, mkdtempSync, readFileSync, rmSync, writeFileSync } from 'fs'
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import { tmpdir } from 'os'
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import { afterEach, beforeEach, describe, expect, it, vi } from 'vitest'
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import type { Message } from '../../src/shared/types'
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const state = vi.hoisted(() => ({
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documents: '',
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accountRoot: '',
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videoPath: '',
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messages: [] as Message[],
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imageLookups: [] as { allowThumbnail?: boolean; preferThumbnail?: boolean }[]
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}))
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vi.mock('electron', () => ({
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app: { getPath: () => state.documents },
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shell: { showItemInFolder: vi.fn() },
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BrowserWindow: class {}
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}))
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vi.mock('../../src/main/services/chat-service', () => ({
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listMessages: () => structuredClone(state.messages),
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listMessagesAsync: async () => structuredClone(state.messages),
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getChatDb: () => ({
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getWcdb4Client: () => ({ getAccountRoot: () => state.accountRoot })
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}),
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getContactAvatars: () => ({})
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}))
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vi.mock('../../src/main/services/image-key-config-service', () => ({
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ImageKeyConfigService: class {
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getConfig(): { aesKey: string; xorKey: string } {
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return { aesKey: '0123456789abcdef', xorKey: '0x40' }
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}
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}
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}))
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vi.mock('../../src/main/voice-service', () => ({
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VoiceService: class {
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async resolveVoice(
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_sessionId: string,
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localId: number
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): Promise<{ success: boolean; data?: string; error?: string }> {
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return localId === 1
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? {
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success: true,
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data: 'UklGRiQAAABXQVZFZm10IBAAAAABAAEAQB8AAEAfAAABAAgAZGF0YQAAAAA='
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}
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: { success: false, error: '本地未找到语音数据' }
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}
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}
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}))
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vi.mock('../../src/main/image-decrypt-service', () => ({
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ImageDecryptService: class {
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findImageFile(
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_md5: string,
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_datName: string,
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options: { allowThumbnail?: boolean; preferThumbnail?: boolean }
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): string {
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state.imageLookups.push(options)
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return 'fixture-original.dat'
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}
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decryptImageToBase64WithFallback(): { data: string; filePath: string } {
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return {
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data: 'data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mP8/x8AAusB9Y9ZQmcAAAAASUVORK5CYII=',
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filePath: 'fixture-original.dat'
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}
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}
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isThumbnailFile(): boolean {
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return false
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}
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}
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}))
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vi.mock('../../src/main/video-asset-service', () => ({
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VideoAssetService: class {
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resolve(): { success: boolean; url: string } {
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return { success: true, url: 'wxe-media://local/fixture-video' }
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}
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pathForUrl(): string {
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return state.videoPath
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}
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}
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}))
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vi.mock('../../src/main/sticker-service', () => ({
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StickerService: class {}
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}))
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const message = (overrides: Partial<Message>): Message => ({
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id: 'fixture',
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from: 'fixture',
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type: '普通文本',
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datetime: '2026-08-01 10:00:00',
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content: '',
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isSender: false,
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createTime: 1_785_549_600,
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...overrides
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})
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const readArchive = (outputPath: string): { sourceId: string; messages: Message[] } => {
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const source = readFileSync(join(dirname(outputPath), 'data', 'messages.js'), 'utf8')
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return JSON.parse(
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source
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.slice(source.indexOf('=') + 1)
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.trim()
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.replace(/;\s*$/, '')
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) as {
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sourceId: string
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messages: Message[]
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}
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}
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describe('media export flow', () => {
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beforeEach(() => {
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state.documents = mkdtempSync(join(tmpdir(), 'wxe-export-fixture-'))
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state.accountRoot = join(state.documents, 'fixture-account')
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state.videoPath = join(state.documents, 'fixture.mp4')
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writeFileSync(
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state.videoPath,
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Buffer.from('000000186674797069736f6d0000020069736f6d69736f32', 'hex')
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)
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state.imageLookups = []
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const fileMonth = join(state.accountRoot, 'msg', 'file', '2026-08')
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mkdirSync(fileMonth, { recursive: true })
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writeFileSync(join(fileMonth, '测试附件.txt'), '附件内容')
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state.messages = [
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message({
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id: 'voice-ok',
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type: '语音',
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sessionId: 'fixture-session',
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localId: 1,
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contentData: { type: 'voice', duration: 1 }
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}),
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message({
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id: 'voice-missing',
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type: '语音',
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sessionId: 'fixture-session',
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localId: 2,
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contentData: { type: 'voice', duration: 1 }
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}),
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message({
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id: 'image',
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type: '图片',
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sessionId: 'fixture-session',
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contentData: { type: 'image', md5: 'a'.repeat(32), datName: 'fixture.dat' }
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}),
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message({
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id: 'video',
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type: '视频',
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contentData: { type: 'video', md5: 'b'.repeat(32) }
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}),
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message({
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id: 'file',
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type: '文件',
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contentData: { type: 'share', typeVal: '6', title: '测试附件.txt', url: '' }
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})
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]
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})
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afterEach(() => rmSync(state.documents, { recursive: true, force: true }))
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it('writes playable relative assets, keeps failures, and requests the original image first', async () => {
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const { runExport } = await import('../../src/main/export-service')
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const progress: unknown[] = []
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const win = {
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isDestroyed: () => false,
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webContents: { send: (...args: unknown[]) => progress.push(args) }
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}
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const result = await runExport(
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{
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jobId: 'fixture-export',
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userMd5: 'fixture-user',
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name: '脱敏会话',
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format: 'html',
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outputName: 'fixture',
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kinds: ['voice', 'image', 'video', 'file'],
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includeMedia: true,
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preferOriginal: true,
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fallbackThumbnail: true,
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keepMissing: true
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},
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win as never
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)
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expect(result.success).toBe(true)
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const html = readFileSync(result.outputPath!, 'utf8')
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const outputDir = dirname(result.outputPath!)
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const archive = readArchive(result.outputPath!)
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const voice = archive.messages.find((item) => item.id === 'voice-ok')!
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const video = archive.messages.find((item) => item.id === 'video')!
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const file = archive.messages.find((item) => item.id === 'file')!
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const missingVoice = archive.messages.find((item) => item.id === 'voice-missing')!
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expect(readFileSync(join(outputDir, voice.voiceDataUrl!)).subarray(0, 4).toString()).toBe(
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'RIFF'
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)
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expect(readFileSync(join(outputDir, video.exportMediaUrl!)).subarray(4, 8).toString()).toBe(
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'ftyp'
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)
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expect(readFileSync(join(outputDir, file.exportMediaUrl!), 'utf8')).toBe('附件内容')
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expect(html).toContain('<script src="data/messages.js"></script>')
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expect(voice.voiceDataUrl).toMatch(/^voices\/voice_[0-9a-f]{16}\.wav$/)
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expect(video.exportMediaUrl).toMatch(/^media\/video_[0-9a-f]{16}\.mp4$/)
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expect(file.exportMediaUrl).toMatch(/^media\/file_[0-9a-f]{16}_测试附件\.txt$/)
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expect(missingVoice.exportMediaError).toBe('语音文件缺失：本地未找到语音数据')
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expect(state.imageLookups[0]).toMatchObject({
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allowThumbnail: false,
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preferThumbnail: false
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})
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expect(progress.length).toBeGreaterThan(0)
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})
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it('incrementally merges the same HTML archive, deduplicates messages, and keeps old media', async () => {
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const { runExport } = await import('../../src/main/export-service')
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const win = { isDestroyed: () => true, webContents: { send: vi.fn() } }
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const request = {
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jobId: 'incremental-first',
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userMd5: 'fixture-user',
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name: '增量会话',
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format: 'html' as const,
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outputName: 'incremental-fixture',
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kinds: ['voice', 'text'] as const,
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includeMedia: true,
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keepMissing: true
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}
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state.messages = [
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message({
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id: 'voice-old',
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type: '语音',
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sessionId: 'fixture-session',
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localId: 1,
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contentData: { type: 'voice', duration: 1 }
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}),
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message({ id: 'text-old', content: '第一次导出', createTime: 1_785_549_660 })
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]
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const first = await runExport({ ...request, kinds: [...request.kinds] }, win as never)
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expect(first.success).toBe(true)
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const firstArchive = readArchive(first.outputPath!)
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const oldVoiceUrl = firstArchive.messages.find((item) => item.id === 'voice-old')!.voiceDataUrl
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state.messages = [
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message({ id: 'text-old', content: '同一条消息已更新', createTime: 1_785_549_660 }),
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message({ id: 'text-new', content: '第二次新增', createTime: 1_785_549_720 })
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]
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const second = await runExport(
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{
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...request,
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jobId: 'incremental-second',
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kinds: [...request.kinds],
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includeMedia: false
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},
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win as never
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)
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expect(second.success).toBe(true)
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expect(second.outputPath).toBe(first.outputPath)
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const secondArchive = readArchive(second.outputPath!)
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expect(secondArchive.messages.map((item) => item.id)).toEqual([
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'voice-old',
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'text-old',
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'text-new'
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])
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expect(secondArchive.messages.find((item) => item.id === 'text-old')?.content).toBe(
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'同一条消息已更新'
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)
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expect(secondArchive.messages.find((item) => item.id === 'voice-old')?.voiceDataUrl).toBe(
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oldVoiceUrl
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)
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expect(existsSync(join(dirname(second.outputPath!), 'data', 'messages.js.bak'))).toBe(true)
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})
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it('refuses to merge a different conversation into an existing named archive', async () => {
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const { runExport } = await import('../../src/main/export-service')
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const win = { isDestroyed: () => true, webContents: { send: vi.fn() } }
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state.messages = [message({ id: 'text', content: 'fixture' })]
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const baseRequest = {
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jobId: 'source-first',
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userMd5: 'first-user',
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name: '第一个会话',
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format: 'html' as const,
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outputName: 'same-name',
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kinds: ['text'] as const,
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includeMedia: false
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}
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const first = await runExport({ ...baseRequest, kinds: [...baseRequest.kinds] }, win as never)
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const second = await runExport(
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{
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...baseRequest,
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jobId: 'source-second',
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userMd5: 'second-user',
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name: '第二个会话',
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kinds: [...baseRequest.kinds]
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},
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win as never
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)
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expect(first.success).toBe(true)
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expect(second.success).toBe(false)
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expect(second.error).toContain('另一个会话')
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expect(readArchive(first.outputPath!).sourceId).toBe('first-user')
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})
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it('uses message content as the stable fallback when the database supplies a random id', async () => {
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const { exportMessageKey } = await import('../../src/main/export-service')
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const first = message({ id: '0.123456', content: '同一条无本地 ID 消息' })
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const second = message({ id: '0.987654', content: '同一条无本地 ID 消息' })
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expect(exportMessageKey(first, 'fixture-user')).toBe(exportMessageKey(second, 'fixture-user'))
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})
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})
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