YG_FT/frontend/scripts/regression-data-process-wizard.mjs

import assert from 'node:assert/strict'
import { existsSync } from 'node:fs'
import { readFile } from 'node:fs/promises'
import { fileURLToPath } from 'node:url'
import path from 'node:path'
import { parse as parseSfc } from '@vue/compiler-sfc'
import ts from 'typescript'

const scriptDir = path.dirname(fileURLToPath(import.meta.url))
const viewPath = path.resolve(scriptDir, '../src/views/data-process/DataProcessCreateView.vue')
const createDir = path.resolve(scriptDir, '../src/views/data-process/create')
const confirmDialogPath = path.resolve(scriptDir, '../src/components/AppConfirmDialog.vue')
const layoutPath = path.resolve(scriptDir, '../src/layouts/MainLayout.vue')
const viewSource = await readFile(viewPath, 'utf8')
const layoutSource = await readFile(layoutPath, 'utf8')

assert.ok(existsSync(confirmDialogPath), '缺少公共确认弹窗组件 AppConfirmDialog')
const confirmDialogSource = await readFile(confirmDialogPath, 'utf8')
for (const marker of ['<Teleport to="body">', 'role="alertdialog"', ':aria-modal="true"', 'handleKeydown', 'Escape']) {
  assert.ok(confirmDialogSource.includes(marker), `公共确认弹窗缺少可访问性能力：${marker}`)
}
assert.match(confirmDialogSource, /min-height:\s*44px/, '公共确认弹窗按钮触控区域不足 44px')
assert.match(confirmDialogSource, /focus\(\)/, '公共确认弹窗打开后没有管理键盘焦点')
assert.match(confirmDialogSource, /defineExpose\(\{ open \}\)/, '公共确认弹窗没有暴露 Promise 式 open API')
assert.match(confirmDialogSource, /width:\s*min\(480px,\s*100%\)/, '企业级确认弹窗宽度应保持紧凑的 480px')
assert.match(confirmDialogSource, /border-radius:\s*8px/, '企业级确认弹窗应使用克制的 8px 圆角')
assert.doesNotMatch(confirmDialogSource, /backdrop-filter/, '企业级确认弹窗不应使用装饰性背景模糊')
assert.ok(confirmDialogSource.includes('app-confirm-header'), '企业级确认弹窗缺少独立标题栏')
assert.match(confirmDialogSource, /\.app-confirm-button\s*\{[\s\S]*?height:\s*34px/, '桌面端操作按钮应使用紧凑的 34px 高度')
assert.match(confirmDialogSource, /@media \(max-width: 520px\)[\s\S]*?\.app-confirm-button\s*\{[\s\S]*?min-height:\s*44px/, '移动端操作按钮仍需保留 44px 触控高度')
assert.match(viewSource, /import AppConfirmDialog from '@\/components\/AppConfirmDialog\.vue'/, '创建页没有接入公共确认弹窗')
assert.match(viewSource, /<AppConfirmDialog/, '创建页模板缺少公共确认弹窗实例')
assert.match(viewSource, /onBeforeRouteLeave\(async \(\) =>/, '路由离开确认没有改为异步公共弹窗流程')
assert.doesNotMatch(viewSource, /window\.confirm|ElMessageBox/, '创建页仍在使用系统或 Element Plus 确认框')

assert.match(viewSource, /const WIZARD_STEPS = \[/, '向导步骤尚未改为固定常量')
for (const title of ['创建任务', '数据预览', '开始生成', '结果编辑与保存']) {
  assert.ok(viewSource.includes(`title: '${title}'`), `缺少固定步骤：${title}`)
}
assert.doesNotMatch(viewSource, /steps\s*=\s*computed|all\.filter/, '步骤仍根据处理类型动态增减')
assert.match(viewSource, /localStorage\.setItem\(DRAFT_STORAGE_KEY/, '草稿没有持久化')
assert.match(viewSource, /localStorage\.getItem\(DRAFT_STORAGE_KEY\)/, '草稿没有恢复读取')
assert.match(viewSource, /restoreDraft\(\)/, '页面没有恢复草稿')

const expectedComponents = [
  'TaskSetupStep.vue',
  'PreviewCompareStep.vue',
  'GenerationStep.vue',
  'ResultEditorStep.vue',
]
for (const component of expectedComponents) {
  assert.ok(existsSync(path.join(createDir, component)), `缺少步骤组件：${component}`)
  assert.ok(viewSource.includes(component.replace('.vue', '')), `父页面未使用：${component}`)
}

const typesPath = path.join(createDir, 'types.ts')
const modelPath = path.join(createDir, 'previewModel.ts')
assert.ok(existsSync(typesPath), '缺少向导类型定义')
assert.ok(existsSync(modelPath), '缺少来源映射模型')

const [typesSource, modelSource, previewSource] = await Promise.all([
  readFile(typesPath, 'utf8'),
  readFile(modelPath, 'utf8'),
  readFile(path.join(createDir, 'PreviewCompareStep.vue'), 'utf8'),
])

for (const field of ['sourceStart', 'sourceEnd', 'originalContent', 'editedContent']) {
  assert.ok(typesSource.includes(field), `PreviewItem 缺少字段：${field}`)
}
assert.match(typesSource, /sourceFileId/, 'PreviewItem 缺少来源文件标识')
assert.match(modelSource, /export function buildPreviewItems/, '缺少切片来源映射生成函数')
assert.match(modelSource, /export function sourceLines/, '缺少源文件行偏移生成函数')
assert.match(modelSource, /sourceFileId/, '切片生成没有写入来源文件标识')
assert.match(viewSource, /selectedPreviewFileId/, '父页面缺少当前预览文件状态')
assert.match(
  viewSource,
  /buildPreviewItems\([\s\S]*?file\.content,[\s\S]*?processType\.value,[\s\S]*?String\(file\.uid\),[\s\S]*?unstructuredOptions\.value/,
  '预览没有按文件分别生成或未传入非结构化切分配置',
)

for (const marker of [
  'preview-workspace',
  'source-viewer',
  'source-line',
  'is-highlighted',
  'preview-item',
  'preview-editor',
  'scrollIntoView',
]) {
  assert.ok(previewSource.includes(marker), `第二步缺少结构或行为：${marker}`)
}
assert.match(previewSource, /sourceStart/, '第二步未使用来源起始偏移')
assert.match(previewSource, /sourceEnd/, '第二步未使用来源结束偏移')
assert.match(previewSource, /filterable/, '文件选择器必须可搜索')
assert.match(previewSource, /当前文件/, '预览缺少当前文件切换器')
assert.doesNotMatch(previewSource, /located-badge|sync-label|已定位到/, '源文件栏不应显示冗余定位提示')
assert.match(previewSource, /const PREVIEW_PAGE_SIZE = 6/, '切片列表必须限制每页展示数量')
assert.match(previewSource, /const pagedItems = computed/, '切片列表缺少分页数据')
assert.match(previewSource, /v-for="item in pagedItems"/, '切片列表没有使用分页数据')
assert.match(previewSource, /<el-pagination[\s\S]*:page-size="PREVIEW_PAGE_SIZE"/, '切片列表缺少分页控件')
assert.match(previewSource, /height:\s*clamp\(560px,\s*calc\(100vh - 370px\),\s*720px\)/, '预览工作区高度不足以展示切片正文')
assert.match(previewSource, /const editingItemId = ref<string \| null>\(null\)/, '缺少切片编辑模式状态')
assert.match(previewSource, /const editorDraft = ref\(''\)/, '缺少编辑临时草稿')
assert.match(previewSource, /function openEditor\(item: PreviewItem\)/, '列表缺少打开切片编辑器的动作')
assert.match(previewSource, /function closeEditor\(\)/, '编辑器缺少返回列表的动作')
assert.match(previewSource, /function saveEditor\(\)/, '编辑器缺少保存动作')
assert.match(previewSource, /<template v-if="!editingItem">[\s\S]*?<template v-else>/, '切片列表与编辑器必须互斥展示')
assert.match(previewSource, /fa-pencil/, '切片列表缺少铅笔编辑按钮')
assert.match(previewSource, /fa-trash-o/, '切片列表缺少垃圾桶删除按钮')
assert.match(previewSource, /class="preview-item"[\s\S]*?@click="selectItem\(item\.id\)"/, '点击切片行必须更新当前选中切片')
assert.match(previewSource, /v-model="editorDraft"/, '编辑器必须绑定临时草稿')
assert.match(previewSource, />取消<\/el-button>/, '编辑器缺少取消按钮')
assert.doesNotMatch(previewSource, /返回列表/, '编辑器不应同时显示返回列表和取消两个相同作用的按钮')
assert.match(previewSource, />保存修改<\/el-button>/, '编辑器缺少保存修改按钮')
assert.match(previewSource, /\.editor-actions\s*\{[\s\S]*?justify-content:\s*flex-end/, '取消和保存按钮必须在编辑器右侧对齐')
assert.doesNotMatch(previewSource, /item-token|item-status|modifiedOnly|仅看已修改/, '切片列表不应再显示 Token 或修改状态')
assert.match(previewSource, /\.preview-editor\s*\{[\s\S]*?flex:\s*1 1 auto[\s\S]*?overflow-y:\s*auto/, '编辑模式必须占据右侧剩余区域并可滚动')
assert.match(previewSource, /@media \(max-width: 900px\)/, '第二步缺少窄屏上下布局')

const taskSetupPath = path.join(createDir, 'TaskSetupStep.vue')
const taskSetupSource = await readFile(taskSetupPath, 'utf8')

assert.match(taskSetupSource, /v-if="processType === 'structured'"/, '结构化配置必须仅在结构化数据类型下显示')
for (const option of [
  '清理无效数据',
  '识别表格结构',
  '重复数据去重',
  '数据格式标准化',
  '异常数据过滤',
  '敏感信息脱敏',
]) {
  assert.ok(taskSetupSource.includes(option), `结构化预处理缺少选项：${option}`)
}
assert.ok(taskSetupSource.includes('生成选项'), '结构化配置缺少生成选项分类')
assert.ok(taskSetupSource.includes('语义丰富表达'), '生成选项缺少语义丰富表达开关')
assert.ok(taskSetupSource.includes('使用大模型将问答表述得更自然、柔和'), '语义丰富表达缺少辅助说明')
for (const splitName of ['训练集', '验证集', '测试集']) {
  assert.ok(taskSetupSource.includes(splitName), `生成选项缺少数据集划分：${splitName}`)
}
assert.match(taskSetupSource, /const splitTotal = computed/, '数据集划分缺少比例总和计算')
assert.match(taskSetupSource, /splitTotal\.value !== 100/, '数据集划分缺少总和 100% 校验')
assert.ok(taskSetupSource.includes('训练集、验证集和测试集比例总和必须为 100%'), '数据集划分缺少就地错误提示')
for (const splitField of ['train', 'validation', 'test']) {
  assert.match(
    taskSetupSource,
    new RegExp(`structuredOptions\\.datasetSplit\\.${splitField}[\\s\\S]*?:min="0"[\\s\\S]*?:max="100"[\\s\\S]*?:step="1"[\\s\\S]*?:precision="0"`),
    `数据集划分字段 ${splitField} 缺少 0～100 的整数限制`,
  )
}
assert.match(taskSetupSource, /<el-switch[\s\S]*structuredOptions\.semanticEnrichment/, '语义丰富表达必须使用开关控件')
assert.match(taskSetupSource, /<el-input-number[\s\S]*structuredOptions\.qaPairsPerRow[\s\S]*:min="1"[\s\S]*:max="5"/, '每行生成数量必须限制在 1 到 5')
assert.match(viewSource, /const structuredOptions = ref<StructuredProcessOptions>/, '父页面缺少结构化配置状态')
assert.match(viewSource, /datasetSplit:\s*\{ train: 80, validation: 10, test: 10 \}/, '数据集划分默认值必须为 80/10/10')
assert.match(viewSource, /structuredOptions:\s*\{[\s\S]*\.\.\.structuredOptions\.value/, '结构化配置没有写入草稿')
assert.match(viewSource, /structuredOptions\.value = \{[\s\S]*\.\.\.snapshot\.structuredOptions/, '结构化配置没有从草稿恢复')
assert.match(viewSource, /v-model:structured-options="structuredOptions"/, '父页面没有双向绑定结构化配置')
assert.match(viewSource, /createResults\([\s\S]*structuredOptions\.value/, '每行生成数量没有接入结果生成逻辑')

assert.match(typesSource, /export interface UnstructuredProcessOptions/, '缺少非结构化处理选项类型')
for (const field of [
  'preprocessOptions',
  'chunkMethod',
  'chunkSize',
  'chunkOverlap',
  'minChunkSize',
  'customDelimiter',
  'preserveTables',
  'preserveCodeBlocks',
  'preserveLists',
  'semanticEnrichment',
  'qaPairsPerChunk',
  'contextScope',
  'generationTypes',
  'skipUnanswerable',
  'datasetSplit',
]) {
  assert.ok(typesSource.includes(field), `非结构化处理选项缺少字段：${field}`)
}

assert.match(taskSetupSource, /v-if="processType === 'unstructured'"/, '非结构化配置必须仅在非结构化数据类型下显示')
for (const option of [
  '清理无效内容',
  '识别文档结构',
  '合并过短内容',
  '过滤低质量内容',
  '重复内容去重',
  '敏感信息脱敏',
  '保留上下文信息',
]) {
  assert.ok(taskSetupSource.includes(option), `非结构化预处理缺少选项：${option}`)
}

assert.ok(taskSetupSource.includes('切分选项'), '非结构化配置缺少切分选项分类')
for (const method of ['自动语义切分', '按标题和段落', '按固定长度', '自定义分隔符']) {
  assert.ok(taskSetupSource.includes(method), `切分方式缺少选项：${method}`)
}
for (const label of ['切片长度', '重叠长度', '最小切片长度', '完整保留表格', '完整保留代码块', '完整保留列表']) {
  assert.ok(taskSetupSource.includes(label), `切分选项缺少配置：${label}`)
}
assert.match(taskSetupSource, /unstructuredOptions\.chunkSize[\s\S]*?:min="200"[\s\S]*?:max="2000"/, '切片长度必须限制在 200 到 2000 Token')
assert.match(taskSetupSource, /unstructuredOptions\.chunkOverlap[\s\S]*?:min="0"[\s\S]*?:max="500"/, '重叠长度必须限制在 0 到 500 Token')
assert.match(taskSetupSource, /unstructuredOptions\.minChunkSize[\s\S]*?:min="20"[\s\S]*?:max="500"/, '最小切片长度必须限制在 20 到 500 Token')

for (const label of [
  '每个切片生成数量',
  '上下文范围',
  '当前切片',
  '相邻切片',
  '当前章节',
  '问题类型',
  '事实问答',
  '概念解释',
  '操作步骤',
  '原因分析',
  '综合问答',
  '跳过无法回答的内容',
]) {
  assert.ok(taskSetupSource.includes(label), `非结构化生成选项缺少：${label}`)
}
assert.match(taskSetupSource, /unstructuredOptions\.qaPairsPerChunk[\s\S]*?:min="1"[\s\S]*?:max="3"/, '每个切片生成数量必须限制在 1 到 3')
assert.match(taskSetupSource, /unstructuredSplitTotal\.value !== 100/, '非结构化数据集划分缺少总和 100% 校验')
assert.match(taskSetupSource, /chunkOverlap \+ props\.unstructuredOptions\.minChunkSize[\s\S]*?> props\.unstructuredOptions\.chunkSize/, '切分配置未校验重叠长度与最小切片长度的组合边界')
assert.ok(taskSetupSource.includes('Token 数为轻量估算值'), '切片长度缺少 Token 估算说明')

assert.match(viewSource, /const unstructuredOptions = ref<UnstructuredProcessOptions>/, '父页面缺少非结构化配置状态')
assert.match(viewSource, /chunkMethod:\s*'semantic'/, '非结构化默认切分方式必须为自动语义切分')
assert.match(viewSource, /chunkSize:\s*800/, '默认切片长度必须为 800 Token')
assert.match(viewSource, /chunkOverlap:\s*100/, '默认重叠长度必须为 100 Token')
assert.match(viewSource, /minChunkSize:\s*100/, '默认最小切片长度必须为 100 Token')
assert.match(viewSource, /qaPairsPerChunk:\s*1/, '默认每个切片必须生成 1 个问答对')
assert.match(viewSource, /contextScope:\s*'adjacent'/, '默认上下文范围必须为相邻切片')
assert.match(viewSource, /unstructuredOptions:\s*\{[\s\S]*\.\.\.unstructuredOptions\.value/, '非结构化配置没有写入草稿')
assert.match(viewSource, /unstructuredOptions\.value = \{[\s\S]*\.\.\.snapshot\.unstructuredOptions/, '非结构化配置没有从草稿恢复')
assert.match(viewSource, /v-model:unstructured-options="unstructuredOptions"/, '父页面没有双向绑定非结构化配置')
assert.match(viewSource, /const DRAFT_SCHEMA_VERSION = \d+/, '草稿缺少版本标识')
assert.match(viewSource, /schemaVersion:\s*DRAFT_SCHEMA_VERSION/, '草稿快照没有写入版本标识')
assert.match(viewSource, /requiresPreviewMigration/, '旧草稿没有失效旧切片预览')
assert.match(viewSource, /JSON\.stringify\(previewAffectingOptions\(\)\)/, '影响切分的非结构化配置没有纳入预览失效判断')

const previewOptionsStart = viewSource.indexOf('function previewAffectingOptions()')
const previewOptionsEnd = viewSource.indexOf('function generationAffectingOptions()', previewOptionsStart)
assert.ok(previewOptionsStart >= 0 && previewOptionsEnd > previewOptionsStart, '缺少预览影响配置签名函数')
const previewOptionsSource = viewSource.slice(previewOptionsStart, previewOptionsEnd)
for (const field of [
  'preprocessOptions',
  'chunkMethod',
  'chunkSize',
  'chunkOverlap',
  'minChunkSize',
  'customDelimiter',
  'preserveTables',
  'preserveCodeBlocks',
  'preserveLists',
]) {
  assert.ok(previewOptionsSource.includes(field), `预览签名缺少切分影响字段：${field}`)
}
for (const field of [
  'semanticEnrichment',
  'qaPairsPerChunk',
  'contextScope',
  'generationTypes',
  'skipUnanswerable',
  'datasetSplit',
]) {
  assert.ok(!previewOptionsSource.includes(field), `生成字段 ${field} 不应导致预览重建并丢失编辑`)
}

const generationOptionsStart = viewSource.indexOf('function generationAffectingOptions()')
const generationOptionsEnd = viewSource.indexOf('const generationOptionsSignature', generationOptionsStart)
assert.ok(generationOptionsStart >= 0 && generationOptionsEnd > generationOptionsStart, '缺少生成影响配置签名函数')
const generationOptionsSource = viewSource.slice(generationOptionsStart, generationOptionsEnd)
for (const field of [
  'semanticEnrichment',
  'qaPairsPerChunk',
  'contextScope',
  'generationTypes',
  'skipUnanswerable',
  'datasetSplit',
]) {
  assert.ok(generationOptionsSource.includes(field), `生成签名缺少字段：${field}`)
}
assert.match(
  viewSource,
  /watch\(generationOptionsSignature,[\s\S]*?resetDownstream\(\)/,
  '生成配置变化后没有仅失效下游结果',
)
for (const mutationFunction of [
  'updatePreviewContent',
  'restorePreviewItem',
  'addPreviewItem',
  'removePreviewItem',
]) {
  const mutationStart = viewSource.indexOf(`function ${mutationFunction}`)
  const mutationEnd = viewSource.indexOf('\nfunction ', mutationStart + 1)
  const mutationSource = viewSource.slice(mutationStart, mutationEnd === -1 ? undefined : mutationEnd)
  assert.ok(mutationSource.includes('resetDownstream()'), `预览变更 ${mutationFunction} 后没有失效旧生成结果`)
}
assert.match(modelSource, /unstructuredOptions\?: UnstructuredProcessOptions/, '切片预览没有接收非结构化配置')
assert.match(modelSource, /qaPairsPerChunk/, '每个切片生成数量没有接入结果生成逻辑')

const transpiledModel = ts.transpileModule(modelSource, {
  compilerOptions: { module: ts.ModuleKind.ES2022, target: ts.ScriptTarget.ES2022 },
}).outputText
const previewModelModule = await import(`data:text/javascript;base64,${Buffer.from(transpiledModel).toString('base64')}`)
const longDocument = Array.from(
  { length: 180 },
  (_, index) => `${index + 1}. 这是用于验证非结构化切分边界的完整文本段落。`,
).join('\n')
const baseUnstructuredOptions = {
  preprocessOptions: [],
  chunkMethod: 'semantic',
  chunkSize: 200,
  chunkOverlap: 50,
  minChunkSize: 50,
  customDelimiter: '',
  preserveTables: false,
  preserveCodeBlocks: false,
  preserveLists: false,
  semanticEnrichment: false,
  qaPairsPerChunk: 3,
  contextScope: 'adjacent',
  generationTypes: ['factual'],
  skipUnanswerable: true,
  datasetSplit: { train: 80, validation: 10, test: 10 },
}

for (const chunkMethod of ['semantic', 'heading', 'fixed', 'custom']) {
  const options = {
    ...baseUnstructuredOptions,
    chunkMethod,
    customDelimiter: chunkMethod === 'custom' ? '\\n' : '',
  }
  const previewItems = previewModelModule.buildPreviewItems(longDocument, 'unstructured', chunkMethod, options)
  assert.ok(previewItems.length > 1, `${chunkMethod} 切分方式未生成多个切片`)
  assert.ok(
    previewItems.every((item) => longDocument.slice(item.sourceStart, item.sourceEnd) === item.originalContent),
    `${chunkMethod} 切分方式的来源偏移不准确`,
  )
  assert.ok(
    previewItems.every((item) => item.sourceStartLine <= item.sourceEndLine),
    `${chunkMethod} 切分方式的来源行号不准确`,
  )
}

const overlapDocument = '甲'.repeat(1200)
const overlapItems = previewModelModule.buildPreviewItems(overlapDocument, 'unstructured', 'overlap-check', {
  ...baseUnstructuredOptions,
  chunkMethod: 'fixed',
})
assert.equal(
  overlapItems[0].sourceEnd - overlapItems[1].sourceStart,
  100,
  '固定长度切分没有按配置保留 50 个估算 Token 的重叠内容',
)

const headingDocument = `${'甲'.repeat(150)}\n# 第二章\n${'乙'.repeat(600)}`
const headingItems = previewModelModule.buildPreviewItems(headingDocument, 'unstructured', 'heading-check', {
  ...baseUnstructuredOptions,
  chunkMethod: 'heading',
  chunkOverlap: 0,
})
assert.ok(!headingItems[0].originalContent.includes('# 第二章'), '按标题切分未在新标题前结束上一切片')
assert.ok(headingItems[1].originalContent.startsWith('# 第二章'), '按标题切分未从新标题开始下一切片')

const customDocument = `${'甲'.repeat(150)}<CUT>${'乙'.repeat(600)}`
const customItems = previewModelModule.buildPreviewItems(customDocument, 'unstructured', 'custom-check', {
  ...baseUnstructuredOptions,
  chunkMethod: 'custom',
  chunkOverlap: 0,
  customDelimiter: '<CUT>',
})
assert.ok(customItems[0].originalContent.endsWith('<CUT>'), '自定义切分未在指定分隔符处结束切片')

function assertProtectedContent(optionField, block, label) {
  const document = `${'前言。'.repeat(50)}\n${block}\n${'结尾。'.repeat(100)}`
  const enabledItems = previewModelModule.buildPreviewItems(document, 'unstructured', `${optionField}-on`, {
    ...baseUnstructuredOptions,
    chunkMethod: 'fixed',
    chunkOverlap: 0,
    preserveTables: false,
    preserveCodeBlocks: false,
    preserveLists: false,
    [optionField]: true,
  })
  const disabledItems = previewModelModule.buildPreviewItems(document, 'unstructured', `${optionField}-off`, {
    ...baseUnstructuredOptions,
    chunkMethod: 'fixed',
    chunkOverlap: 0,
    preserveTables: false,
    preserveCodeBlocks: false,
    preserveLists: false,
  })
  assert.ok(enabledItems.some((item) => item.originalContent.includes(block)), `${label}开启后仍被从内部切断`)
  assert.ok(!disabledItems.some((item) => item.originalContent.includes(block)), `${label}关闭后的对照用例未命中切分边界`)
}

const codeBlock = ['```ts', ...Array.from({ length: 36 }, (_, index) => `const value${index} = ${index};`), '```'].join('\n')
const tableBlock = [
  '| 字段 | 说明 |',
  '| --- | --- |',
  ...Array.from({ length: 36 }, (_, index) => `| field_${index} | 字段说明 ${index} |`),
].join('\n')
const listBlock = Array.from({ length: 42 }, (_, index) => `- 列表项 ${index + 1}：这是需要完整保留的内容。`).join('\n')
assertProtectedContent('preserveCodeBlocks', codeBlock, '代码块')
assertProtectedContent('preserveTables', tableBlock, '表格')
assertProtectedContent('preserveLists', listBlock, '列表')

const samplePreviewItems = previewModelModule.buildPreviewItems(
  longDocument,
  'unstructured',
  'generation-check',
  baseUnstructuredOptions,
)
assert.ok(samplePreviewItems.length > 12, '测试文档未生成足够的切片')
const generatedResults = previewModelModule.createResults(samplePreviewItems.slice(0, 13), baseUnstructuredOptions)
assert.equal(generatedResults.length, 39, '每个切片生成 3 个问答对未完整应用到所有切片')

const legacyExternalItems = previewModelModule.buildPreviewItems('a\nb\nc\nd', 'external', 'legacy-check')
assert.equal(legacyExternalItems.length, 2, '外来数据原有的每 3 行分组行为被破坏')

function findNextStyleBlockStart(source, startIndex) {
  let quote = null

  for (let index = startIndex; index < source.length; index += 1) {
    const character = source[index]
    const nextCharacter = source[index + 1]

    if (quote) {
      if (character === '\\') {
        index += 1
      } else if (character === quote) {
        quote = null
      }
      continue
    }

    if (character === '/' && nextCharacter === '*') {
      const commentEnd = source.indexOf('*/', index + 2)
      index = commentEnd === -1 ? source.length : commentEnd + 1
      continue
    }
    if (character === '/' && nextCharacter === '/') {
      const commentEnd = source.indexOf('\n', index + 2)
      index = commentEnd === -1 ? source.length : commentEnd
      continue
    }
    if (character === '\'' || character === '"') {
      quote = character
      continue
    }
    if (character === '{') return index
  }

  return -1
}

function findStyleBlockEnd(source, blockStart) {
  let depth = 0
  let quote = null

  for (let index = blockStart; index < source.length; index += 1) {
    const character = source[index]
    const nextCharacter = source[index + 1]

    if (quote) {
      if (character === '\\') {
        index += 1
      } else if (character === quote) {
        quote = null
      }
      continue
    }

    if (character === '/' && nextCharacter === '*') {
      const commentEnd = source.indexOf('*/', index + 2)
      index = commentEnd === -1 ? source.length : commentEnd + 1
      continue
    }
    if (character === '/' && nextCharacter === '/') {
      const commentEnd = source.indexOf('\n', index + 2)
      index = commentEnd === -1 ? source.length : commentEnd
      continue
    }
    if (character === '\'' || character === '"') {
      quote = character
      continue
    }
    if (character === '{') {
      depth += 1
    } else if (character === '}' && --depth === 0) {
      return index
    }
  }

  return -1
}

function resolveNestedSelector(selector, parentSelector) {
  if (!parentSelector) return selector
  if (selector.includes('&')) return selector.replace(/&/g, parentSelector)
  return `${parentSelector} ${selector}`
}

function collectStyleRules(source, parentSelector = '') {
  const rules = []
  let ruleStart = 0
  let cursor = 0

  while (cursor < source.length) {
    const blockStart = findNextStyleBlockStart(source, cursor)
    if (blockStart === -1) break

    const blockEnd = findStyleBlockEnd(source, blockStart)
    if (blockEnd === -1) break

    const rawSelector = source.slice(ruleStart, blockStart).trim()
    const declarations = source.slice(blockStart + 1, blockEnd)
    if (rawSelector) {
      const isAtRule = rawSelector.startsWith('@')
      const selector = isAtRule ? rawSelector : resolveNestedSelector(rawSelector, parentSelector)
      rules.push({ selector, declarations })
      rules.push(...collectStyleRules(declarations, isAtRule ? parentSelector : selector))
    }

    cursor = blockEnd + 1
    ruleStart = cursor
  }

  return rules
}

function directStyleDeclarations(source) {
  let result = ''
  let nestedDepth = 0
  let quote = null

  for (let index = 0; index < source.length; index += 1) {
    const character = source[index]
    const nextCharacter = source[index + 1]

    if (quote) {
      if (character === '\\') {
        index += 1
      } else if (character === quote) {
        quote = null
      }
      if (nestedDepth === 0) result += ' '
      continue
    }

    if (character === '/' && nextCharacter === '*') {
      const commentEnd = source.indexOf('*/', index + 2)
      index = commentEnd === -1 ? source.length : commentEnd + 1
      if (nestedDepth === 0) result += ' '
      continue
    }
    if (character === '/' && nextCharacter === '/') {
      const commentEnd = source.indexOf('\n', index + 2)
      index = commentEnd === -1 ? source.length : commentEnd
      if (nestedDepth === 0) result += ' '
      continue
    }
    if (character === '\'' || character === '"') {
      quote = character
      if (nestedDepth === 0) result += ' '
      continue
    }
    if (character === '{') {
      nestedDepth += 1
      if (nestedDepth === 1) result += ' '
      continue
    }
    if (character === '}') {
      nestedDepth = Math.max(0, nestedDepth - 1)
      if (nestedDepth === 0) result += ' '
      continue
    }
    if (nestedDepth === 0) result += character
  }

  return result
}

const nestedUploadedFileItemsStyles = collectStyleRules(`
.upload-context {
  .uploaded-file {
    &-items {
      max-height: 20rem;
    }

    @media (min-width: 1px) {
      &-items {
        overflow: auto;
      }
    }

    @supports (display: grid) {
      &-items {
        overflow-x: hidden;
        overflow-y: auto;
      }
    }
  }
}
`).filter(({ selector }) => /(?:^|[^\w-])\.uploaded-file-items(?![\w-])/.test(selector))

assert.equal(
  nestedUploadedFileItemsStyles.length,
  3,
  '嵌套的 &-items 选择器必须展开为 .uploaded-file-items，且不能被 at-rule 上下文遮蔽',
)
for (const property of ['max-height', 'overflow', 'overflow-x', 'overflow-y']) {
  assert.ok(
    nestedUploadedFileItemsStyles.some(({ declarations }) =>
      new RegExp(`(?:^|;)\\s*${property}\\s*:`, 'i').test(directStyleDeclarations(declarations)),
    ),
    `嵌套 .uploaded-file-items 必须识别受限样式属性：${property}`,
  )
}

for (const marker of [
  'uploaded-file-list-header',
  'uploaded-file-items',
  '已添加 {{ uploadedFiles.length }} 个文件',
  ':title="file.name"',
]) {
  assert.ok(taskSetupSource.includes(marker), `源数据文件列表缺少：${marker}`)
}
assert.match(
  taskSetupSource,
  /^const[ \t]+FILE_PAGE_SIZE[ \t]*=[ \t]*10[ \t]*;?[ \t]*$/m,
  '文件分页大小必须固定为整数 10',
)
assert.match(
  taskSetupSource,
  /const pagedUploadedFiles\s*=\s*computed\(\(\)\s*=>\s*\{\s*const start = \(currentFilePage\.value - 1\) \* FILE_PAGE_SIZE\s*return props\.uploadedFiles\.slice\(start, start \+ FILE_PAGE_SIZE\)\s*\}\)/,
  '文件分页必须按当前页偏移切片完整文件列表',
)
assert.match(
  taskSetupSource,
  /watch\(\(\)\s*=>\s*props\.uploadedFiles\.length,\s*\(newLength, oldLength\)\s*=>\s*\{[\s\S]*?if \(newLength > oldLength\)\s*\{\s*currentFilePage\.value = totalPages[\s\S]*?\}[\s\S]*?currentFilePage\.value = Math\.min\(currentFilePage\.value, totalPages\)[\s\S]*?\}\)/,
  '文件数变化时必须新增跳至末页、删除回退到有效页',
)

const filePaginationTags = [...taskSetupSource.matchAll(/<el-pagination\b[\s\S]*?\/>/g)]
assert.ok(filePaginationTags.length >= 1, '文件列表必须包含分页器')
for (const [filePaginationTag] of filePaginationTags) {
  for (const attribute of [
    'v-if="uploadedFiles.length > FILE_PAGE_SIZE"',
    'v-model:current-page="currentFilePage"',
    ':page-size="FILE_PAGE_SIZE"',
    ':total="uploadedFiles.length"',
  ]) {
    assert.ok(filePaginationTag.includes(attribute), `文件分页器缺少属性：${attribute}`)
  }
}

const { descriptor: taskSetupDescriptor } = parseSfc(taskSetupSource, { filename: taskSetupPath })
const uploadedFileItemsStyles = taskSetupDescriptor.styles
  .flatMap(({ content }) => collectStyleRules(content))
  .filter(({ selector }) => /(?:^|[^\w-])\.uploaded-file-items(?![\w-])/.test(selector))

for (const { declarations } of uploadedFileItemsStyles) {
  assert.doesNotMatch(
    directStyleDeclarations(declarations),
    /(?:^|;)\s*(?:max-height|overflow|overflow-x|overflow-y)\s*:/i,
    '文件列表不能用内部滚动替代分页',
  )
}
assert.match(
  taskSetupSource,
  /<el-upload\s+v-if="uploadedFiles\.length === 0"[\s\S]*?<\/el-upload>\s*<section\s+v-else\s+class="uploaded-file-list"\s+aria-label="已上传文件列表">/,
  '有文件状态缺少带 aria-label="已上传文件列表" 的语义列表容器',
)
assert.match(
  taskSetupSource,
  /<div\s+class="uploaded-file-list-header">\s*<span>已添加 \{\{ uploadedFiles\.length \}\} 个文件<\/span>/,
  '文件列表标题结构或文件数量文案缺失',
)
assert.match(
  taskSetupSource,
  /<div\s+class="uploaded-file-items">\s*<div\s+v-for="file in pagedUploadedFiles"[^>]*class="uploaded-file">/,
  '文件列表缺少分页后的文件行容器',
)
assert.match(
  taskSetupSource,
  /<el-upload\s+v-if="uploadedFiles\.length === 0"\s+drag\s+multiple\s+:accept="uploadAccept"\s+:auto-upload="false"\s+:show-file-list="false"\s+:on-change="\(file: UploadFile\) => emit\('file-change', file\)"\s*>/,
  '无文件时未保留原有大拖拽上传区或上传配置',
)
assert.match(
  taskSetupSource,
  /<el-upload\s+v-if="uploadedFiles\.length === 0"\s+drag\s+multiple\s+:accept="uploadAccept"\s+:auto-upload="false"\s+:show-file-list="false"\s+:on-change="\(file: UploadFile\) => emit\('file-change', file\)"\s*>[\s\S]*?<template\s+#tip>\s*<div\s+class="el-upload__tip">\s*\{\{\s*processType === 'unstructured'\s*\? '支持 TXT、Markdown、PDF、Word、JSON、JSONL，单文件不超过 200MB'\s*:\s*'支持 JSON、JSONL、CSV、Excel，单文件不超过 200MB'\s*\}\}/,
  '无文件时大拖拽上传区缺少格式提示槽、处理类型分支或完整格式提示',
)
assert.match(
  taskSetupSource,
  /<div\s+class="uploaded-file-list-header">\s*<span>已添加 \{\{ uploadedFiles\.length \}\} 个文件<\/span>\s*<div\s+class="continue-upload">\s*<el-upload\s+multiple\s+:accept="uploadAccept"\s+:auto-upload="false"\s+:show-file-list="false"\s+:on-change="\(file: UploadFile\) => emit\('file-change', file\)"\s*>\s*<el-button\s+size="small"\s+type="primary">继续上传<\/el-button>\s*<\/el-upload>\s*<\/div>\s*<\/div>/,
  '有文件时缺少标题右侧的继续上传触发器或上传配置',
)
assert.match(
  taskSetupSource,
  /\.uploaded-file-list-header\s*\{[^}]*display:\s*flex[^}]*justify-content:\s*space-between/,
  '文件列表标题未布局为右侧继续上传按钮',
)
assert.match(
  taskSetupSource,
  /\.continue-upload\s+:deep\(\.el-upload\)\s*\{[^}]*width:\s*auto;?[^}]*margin-top:\s*0;?/,
  '继续上传未覆盖内层上传节点的宽度和顶部间距',
)
assert.match(taskSetupSource, /\.uploaded-file\s*\{[^}]*min-height:\s*48px/, '文件行没有保持 48px 最小高度')
assert.match(
  taskSetupSource,
  /<section\s+v-else\s+class="uploaded-file-list"\s+aria-label="已上传文件列表">[\s\S]*?<div\s+class="uploaded-file-items">\s*<div\s+v-for="file in pagedUploadedFiles"[^>]*class="uploaded-file">[\s\S]*?<span\s+class="file-status"><i\s+class="fa fa-check-circle"\s*\/>\s*校验通过<\/span>\s*<el-button\s+link\s+type="danger"\s+@click="emit\('remove-file', file\.uid\)">删除<\/el-button>\s*<\/div>\s*<\/div>/,
  '文件行没有将成功状态与对应 remove-file 删除按钮关联',
)

const { descriptor } = parseSfc(viewSource, { filename: viewPath })
const template = descriptor.template?.content || ''
assert.equal((template.match(/class="wizard-primary-action"/g) || []).length, 1, '页面必须只有一个主操作入口')
assert.match(viewSource, /onBeforeUnmount\(stopGenerationTimer\)/, '生成计时器没有在卸载时清理')
assert.match(viewSource, /function scrollToStepTop/, '步骤切换后没有恢复页面顶部上下文')
assert.match(viewSource, /nextTick\(scrollToStepTop\)/, '步骤切换没有触发页面滚动复位')
assert.match(viewSource, /\.wizard-content\s*\{[\s\S]*min-height:\s*400px/, '第一步内容区必须保留足够高度以显示底部操作栏')
assert.match(
  layoutSource,
  /&:has\(\.create-wizard-layout\)\s*\{[\s\S]*?overflow-y:\s*hidden[\s\S]*?\.page-canvas\s*\{[\s\S]*?flex:\s*1 1 auto[\s\S]*?min-height:\s*0/,
  '创建任务页必须约束画布高度，避免底部操作栏被裁掉',
)
assert.match(previewSource, /height:\s*clamp\(560px,\s*calc\(100vh - 370px\),\s*720px\)/, '对照预览高度不足以展示切片正文')

console.log('数据处理四步向导回归检查通过')