376 lines
18 KiB
TypeScript
376 lines
18 KiB
TypeScript
import { test, expect } from '@playwright/test'
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import { readFile } from 'fs/promises'
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import { join } from 'path'
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import {
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launchApp,
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stubOpenDialogSeq,
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stubSaveDialog,
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makeTmpDir,
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removeTmpDir,
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writeTextFixture,
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pasteText
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} from './helpers'
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/**
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* DiffLens E2E 主链路验收（对 build 产物运行真实 Electron）：
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* 覆盖 jsdom 单测无法触达的主进程解码 / 报告写盘 / 剪贴板 IPC / 偏好持久化生命周期。
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* 运行前必须先 npm run build。
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*/
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test.describe('启动与基础交互', () => {
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test('应用启动：窗口标题与双空态面板', async () => {
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const { app, window } = await launchApp()
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await expect(window).toHaveTitle('DiffLens')
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await expect(window.getByText('选择左侧文件')).toBeVisible()
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await expect(window.getByText('选择右侧文件')).toBeVisible()
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// 空态不出现导出入口
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await expect(window.getByRole('button', { name: '导出报告' })).toHaveCount(0)
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await app.close()
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})
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test('粘贴两侧文本：差异渲染与统计徽章', async () => {
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const { app, window } = await launchApp()
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await pasteText(window, 'left', 'alpha\nbeta\ngamma')
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await expect(window.getByRole('button', { name: '导出报告' })).toBeVisible()
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await pasteText(window, 'right', 'alpha\nBETA\ngamma')
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// 差异徽章与状态栏结论
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await expect(window.getByText('有差异')).toBeVisible()
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await expect(window.getByText('~1')).toBeVisible()
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// 修改行内容渲染（词级高亮行；exact 避免大小写不敏感的重复命中）
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await expect(window.getByText('beta', { exact: true })).toBeVisible()
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await expect(window.getByText('BETA', { exact: true })).toBeVisible()
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await app.close()
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})
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})
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test.describe('文件打开与编码识别（主进程真实解码链路）', () => {
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let dir: string
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test.beforeAll(async () => {
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dir = await makeTmpDir('difflens-e2e-enc-')
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})
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test.afterAll(async () => {
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await removeTmpDir(dir)
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})
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test('打开 GBK 与 UTF-8 BOM 文件：编码标注与内容正确渲染', async () => {
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const gbkPath = await writeTextFixture(
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dir,
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'gbk.txt',
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'中文内容第一行\n第二行数据',
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'gbk'
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)
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const bomPath = await writeTextFixture(dir, 'bom.txt', 'BOM 首行\nBOM 第二行', 'utf8-bom')
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const { app, window } = await launchApp()
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await stubOpenDialogSeq(app, [[gbkPath], [bomPath]])
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await window.getByRole('button', { name: '打开左侧' }).click()
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await expect(window.getByText('中文内容第一行')).toBeVisible()
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await window.getByRole('button', { name: '打开右侧' }).click()
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await expect(window.getByText('BOM 首行')).toBeVisible()
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// 面板头编码标注（主进程探测结果；exact 避免文件名 gbk.txt 的子串误匹配）
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await expect(window.locator('.pane-meta').filter({ hasText: 'GBK' })).toBeVisible()
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await expect(window.locator('.pane-meta').filter({ hasText: 'UTF-8 (BOM)' })).toBeVisible()
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await app.close()
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})
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test('大体积 GBK 文件：后台 worker 解码后完整渲染', async () => {
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// 约 300KB（≥ 解码 worker 快路径阈值 256KB）：走 worker_threads 后台解码链路
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const bigLines = Array.from({ length: 15000 }, (_, i) => `中文大文件行${i}数据`).join('\n')
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const bigPath = await writeTextFixture(dir, 'big-gbk.txt', bigLines, 'gbk')
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const { app, window } = await launchApp()
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await stubOpenDialogSeq(app, [[bigPath]])
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await window.getByRole('button', { name: '打开左侧' }).click()
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// 首行在视口内；末行在虚拟滚动视口外，以状态栏总行数断言完整性
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await expect(window.getByText('中文大文件行0数据')).toBeVisible()
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await expect(window.locator('.status-item').filter({ hasText: '15000 行' })).toBeVisible()
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await expect(window.locator('.pane-meta').filter({ hasText: 'GBK' })).toBeVisible()
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await app.close()
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})
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})
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test.describe('比较选项端到端', () => {
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test('忽略大小写与忽略所有空白组合生效', async () => {
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const { app, window } = await launchApp()
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await pasteText(window, 'left', 'alpha\nbeta')
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await pasteText(window, 'right', 'ALPHA\n beta')
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// 默认严格对比：两处差异
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await expect(window.getByText('有差异')).toBeVisible()
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// 仅忽略大小写：仍有行首空白差异
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await window.getByLabel('忽略大小写').check()
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await expect(window.getByText('有差异')).toBeVisible()
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// 再忽略所有空白：判为完全一致
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await window.getByLabel('忽略所有空白').check()
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await expect(window.getByText('两文件内容完全一致')).toBeVisible()
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await app.close()
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})
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test('字符级对比：跨行重组判为一致', async () => {
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const { app, window } = await launchApp()
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await pasteText(window, 'left', 'ab cd')
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await pasteText(window, 'right', 'ab\ncd')
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await expect(window.getByText('有差异')).toBeVisible()
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await window.getByLabel('字符级对比').check()
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await expect(window.getByText('两文件内容完全一致')).toBeVisible()
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await app.close()
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})
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test('字符级大输入：重算期间滚动位置不回弹（0.6.3 回退缺陷的回归锚）', async () => {
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// fixture 严格对齐用户实测场景：真实文件打开 + 行数不等（左 950 / 右 942：改 3 + 删 20 + 插 12），
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// 字符量约 4.7 万 > 重输入阈值（5000）→ 开字符级即进 worker 重路径
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const dir = await makeTmpDir('difflens-e2e-scroll-')
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try {
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const pad = (i: number): string => String(i).padStart(4, '0')
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const left = Array.from({ length: 950 }, (_, i) => `L${pad(i)}-abcdefghijklmnopqrstuvwxyz`)
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const right = [...left]
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right[300] = 'L0300-abcdefghijXlmnopqrstuvwxyz'
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right.splice(530, 20)
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right.splice(812, 0, ...Array.from({ length: 12 }, (_, k) => `N${pad(k)}-newcontent-${k}0987654321`))
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const lp = await writeTextFixture(dir, 'left.txt', left.join('\n'))
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const rp = await writeTextFixture(dir, 'right.txt', right.join('\n'))
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const { app, window } = await launchApp()
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await stubOpenDialogSeq(app, [[lp], [rp]])
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await window.getByRole('button', { name: '打开左侧' }).click()
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await window.getByText('L0000-abcdefghijklmnopqrstuvwxyz').first().waitFor()
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await window.getByRole('button', { name: '打开右侧' }).click()
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await window.getByText('L0001-abcdefghijklmnopqrstuvwxyz').first().waitFor()
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// 开字符级（首次进入重路径：快路径结果兜底撑住容器高度，不塌陷归零）
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await window.getByLabel('字符级对比').check()
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await window.getByText('有差异').first().waitFor()
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// 滚到中部后二次触发重算（切选项）：computing 期间位置必须保持
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const scrollSel = '.pane-left .diff-scroll'
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await window.evaluate((s) => {
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const el = document.querySelector(s)
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el.scrollTop = 5000
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el.dispatchEvent(new Event('scroll'))
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}, scrollSel)
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expect(await window.evaluate((s) => document.querySelector(s).scrollTop, scrollSel)).toBe(5000)
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await window.getByLabel('忽略大小写').check()
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await window.waitForTimeout(150)
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// 关键断言：重算期间 scrollTop 不被钳制归零（缺陷版本会多级下坠到 0）
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const during = await window.evaluate((s) => document.querySelector(s).scrollTop, scrollSel)
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expect(during).toBeGreaterThanOrEqual(4000)
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// 重算完成后位置仍稳定
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await window.getByText('有差异').first().waitFor()
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await window.waitForTimeout(300)
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expect(await window.evaluate((s) => document.querySelector(s).scrollTop, scrollSel)).toBe(5000)
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// 滚到底部验证内容连续无重复渲染错乱
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await window.evaluate((s) => {
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const el = document.querySelector(s)
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el.scrollTop = el.scrollHeight
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el.dispatchEvent(new Event('scroll'))
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}, scrollSel)
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await window.waitForTimeout(300)
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const lastRow = await window.evaluate((s) => {
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const sc = document.querySelector(s)
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const rows = sc.querySelectorAll('.diff-row')
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return rows.length > 0 ? rows[rows.length - 1].textContent : ''
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}, scrollSel)
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expect(lastRow).toContain('L0949')
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await app.close()
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} finally {
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await removeTmpDir(dir)
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}
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})
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})
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test.describe('差异导航与视图', () => {
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test('F7 / Shift+F7 导航与仅看差异折叠', async () => {
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const { app, window } = await launchApp()
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await pasteText(window, 'left', 'a\nX1\nb\nY1\nc')
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await pasteText(window, 'right', 'a\nX2\nb\nY2\nc')
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await expect(window.getByText('1 / 2')).toBeVisible()
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await window.keyboard.press('F7')
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await expect(window.getByText('2 / 2')).toBeVisible()
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await window.keyboard.press('Shift+F7')
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await expect(window.getByText('1 / 2')).toBeVisible()
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// 仅看差异：未更改行折叠为提示行
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await window.getByLabel('仅看差异').check()
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await expect(window.getByText(/已折叠/).first()).toBeVisible()
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await app.close()
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})
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test('交换左右侧后面板文件互换', async () => {
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const dir = await makeTmpDir('difflens-e2e-swap-')
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try {
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const aPath = await writeTextFixture(dir, 'a.txt', 'aaa')
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const bPath = await writeTextFixture(dir, 'b.txt', 'bbb')
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const { app, window } = await launchApp()
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await stubOpenDialogSeq(app, [[aPath], [bPath]])
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await window.getByRole('button', { name: '打开左侧' }).click()
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await expect(window.locator('.pane-file').filter({ hasText: 'a.txt' })).toBeVisible()
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await window.getByRole('button', { name: '打开右侧' }).click()
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await expect(window.locator('.pane-file').filter({ hasText: 'b.txt' })).toBeVisible()
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await window.getByRole('button', { name: '⇄ 交换左右' }).click()
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// 面板头文件名互换（用 .pane-file 定位，避免与状态栏文件名混淆）
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const paneFiles = window.locator('.pane-file')
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await expect(paneFiles.nth(0)).toHaveText(/b\.txt/)
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await expect(paneFiles.nth(1)).toHaveText(/a\.txt/)
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await app.close()
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} finally {
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await removeTmpDir(dir)
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}
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})
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})
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test.describe('报告导出（主进程写盘链路）', () => {
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test('导出 HTML 报告：文件落盘且包含结论', async () => {
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const dir = await makeTmpDir('difflens-e2e-report-')
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try {
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const { app, window } = await launchApp()
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await pasteText(window, 'left', 'same\ndiff-left')
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await pasteText(window, 'right', 'same\ndiff-right')
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const savePath = join(dir, 'report.html')
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await stubSaveDialog(app, savePath)
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await window.getByRole('button', { name: '导出报告' }).click()
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await window.getByRole('button', { name: 'HTML 报告' }).click()
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await expect(window.getByText(/报告已保存/)).toBeVisible()
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const html = await readFile(savePath, 'utf-8')
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expect(html).toContain('<!doctype html>')
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expect(html).toContain('共 1 处不同：修改 1 行')
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// 统计卡与未更改行渲染（diff-left 被词级高亮拆分 span，不作整串断言）
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expect(html).toContain('~1')
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expect(html).toContain('same')
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await app.close()
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} finally {
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await removeTmpDir(dir)
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}
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})
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})
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test.describe('文件夹对比（主进程真实扫描链路）', () => {
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test('选择两个文件夹：状态判定、过滤与双击进入单文件对比', async () => {
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const root = await makeTmpDir('difflens-e2e-folder-')
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try {
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const leftDir = join(root, 'left')
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const rightDir = join(root, 'right')
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const { mkdir, writeFile: wf } = await import('fs/promises')
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await mkdir(join(leftDir, 'sub'), { recursive: true })
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await mkdir(join(rightDir, 'sub'), { recursive: true })
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await wf(join(leftDir, 'same.txt'), 'identical')
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await wf(join(rightDir, 'same.txt'), 'identical')
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await wf(join(leftDir, 'diff.txt'), 'left content\nsame tail')
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await wf(join(rightDir, 'diff.txt'), 'right content\nsame tail')
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await wf(join(leftDir, 'only-left.txt'), 'L')
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await wf(join(leftDir, 'sub', 'nested.txt'), 'nested L')
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await wf(join(rightDir, 'sub', 'nested.txt'), 'nested R')
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const { app, window } = await launchApp()
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await stubOpenDialogSeq(app, [[leftDir], [rightDir]])
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await window.getByRole('button', { name: '对比文件夹' }).click()
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// 文件夹模式：路径卡片与统计徽章
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await expect(window.getByText('相同 1')).toBeVisible()
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await expect(window.getByText('不同 2')).toBeVisible()
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await expect(window.getByText('仅左 1')).toBeVisible()
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// 默认仅看差异：same.txt 被过滤，差异条目可见（树形视图显示文件尾段名）
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await expect(window.getByText('diff.txt')).toBeVisible()
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await expect(window.getByText('sub')).toBeVisible()
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await expect(window.getByText('nested.txt')).toBeVisible()
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await expect(window.getByText('same.txt')).toHaveCount(0)
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// 双击差异条目进入单文件对比
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await window.getByText('diff.txt').dblclick()
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await expect(window.getByText('left content')).toBeVisible()
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await expect(window.getByText('right content')).toBeVisible()
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await expect(window.getByText('有差异')).toBeVisible()
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await expect(window.getByRole('button', { name: '← 返回文件夹对比' })).toBeVisible()
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// 返回文件夹列表（扫描结果保留）
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await window.getByRole('button', { name: '← 返回文件夹对比' }).click()
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await expect(window.getByText('相同 1')).toBeVisible()
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await expect(window.getByText('diff.txt')).toBeVisible()
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await app.close()
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} finally {
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await removeTmpDir(root)
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}
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})
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test('语义判等、树形折叠、搜索与文件夹报告导出', async () => {
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const root = await makeTmpDir('difflens-e2e-folder2-')
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try {
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const leftDir = join(root, 'left')
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const rightDir = join(root, 'right')
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const { mkdir, writeFile: wf } = await import('fs/promises')
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await mkdir(join(leftDir, 'sub'), { recursive: true })
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await mkdir(join(rightDir, 'sub'), { recursive: true })
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// 仅换行符差异（左 CRLF 右 LF）→ 语义同
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await wf(join(leftDir, 'crlf.txt'), 'line1\r\nline2\r\n')
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await wf(join(rightDir, 'crlf.txt'), 'line1\nline2\n')
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// 实质内容差异 → 不同
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await wf(join(leftDir, 'real.txt'), 'value = 1\n')
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await wf(join(rightDir, 'real.txt'), 'value = 2\n')
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// 完全一致（子目录）
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await wf(join(leftDir, 'sub', 'same.txt'), 'identical')
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await wf(join(rightDir, 'sub', 'same.txt'), 'identical')
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const { app, window } = await launchApp()
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await stubOpenDialogSeq(app, [[leftDir], [rightDir]])
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await window.getByRole('button', { name: '对比文件夹' }).click()
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// 语义判等默认开：crlf.txt 计为语义同（统计徽章）
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await expect(window.getByText('语义同 1')).toBeVisible()
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await expect(window.getByText('不同 1')).toBeVisible()
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// 默认仅看差异：语义同被过滤，只剩 real.txt
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await expect(window.getByText('real.txt')).toBeVisible()
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await expect(window.getByText('crlf.txt')).toHaveCount(0)
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// 关闭仅看差异：树形展示（sub 目录行 + 语义同条目标注）
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await window.getByLabel('仅看差异').uncheck()
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await expect(window.getByText('crlf.txt')).toBeVisible()
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await expect(window.getByText('sub')).toBeVisible()
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await expect(window.getByText('same.txt')).toBeVisible()
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// 目录折叠/展开
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await window.getByText('sub').click()
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await expect(window.getByText('same.txt')).toHaveCount(0)
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await window.getByText('sub').click()
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await expect(window.getByText('same.txt')).toBeVisible()
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// 搜索过滤
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await window.getByPlaceholder('搜索文件名…').fill('crlf')
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await expect(window.getByText('crlf.txt')).toBeVisible()
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await expect(window.getByText('real.txt')).toHaveCount(0)
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await window.getByPlaceholder('搜索文件名…').fill('')
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// 导出文件夹报告（真实写盘）
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const savePath = join(root, 'folder-report.txt')
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await stubSaveDialog(app, savePath)
|
|
await window.getByRole('button', { name: '导出报告' }).click()
|
|
await window.getByRole('button', { name: '纯文本' }).click()
|
|
await expect(window.getByText(/报告已保存/)).toBeVisible()
|
|
const txt = await readFile(savePath, 'utf-8')
|
|
expect(txt).toContain('DiffLens 文件夹对比报告')
|
|
expect(txt).toContain('判定口径：语义判等开启')
|
|
expect(txt).toContain('共 1 个文件存在差异')
|
|
expect(txt).toContain('语义同')
|
|
await app.close()
|
|
} finally {
|
|
await removeTmpDir(root)
|
|
}
|
|
})
|
|
})
|
|
|
|
test.describe('偏好持久化（跨实例重启）', () => {
|
|
test('重启后恢复比较选项与视图开关', async () => {
|
|
// 第一实例 fresh 清掉历史残留，建立干净基线后再写入偏好
|
|
const first = await launchApp({ fresh: true })
|
|
await pasteText(first.window, 'left', 'alpha')
|
|
await first.window.getByLabel('忽略大小写').check()
|
|
await first.window.getByLabel('仅看差异').check()
|
|
await expect(first.window.getByLabel('忽略大小写')).toBeChecked()
|
|
// 等 localStorage 写回完成再关闭
|
|
await first.window.waitForTimeout(500)
|
|
await first.app.close()
|
|
|
|
// 同一 userData 下重启（不清理）：偏好应恢复
|
|
const second = await launchApp({ fresh: false })
|
|
await pasteText(second.window, 'left', 'alpha')
|
|
await expect(second.window.getByLabel('忽略大小写')).toBeChecked()
|
|
await expect(second.window.getByLabel('仅看差异')).toBeChecked()
|
|
await second.app.close()
|
|
})
|
|
})
|