feat: 完成 DOCX R4 元素级视觉门禁
建立 Chromium、Word 与 WPS 的可编辑内容、段落几何、页眉页脚、封面、媒体和逐页视觉比较链路。 支持封面独立分节、正文页码重启、主题页边距与横向纸张，并将自然分页差异降为诊断项。 修正代码块内边距和折叠表格单元格边框映射，14 套主题生产矩阵与六组布局视觉矩阵通过。
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SkyJourney
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import { describe, expect, it } from "vitest";
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import {
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comparePdfEditableParagraphLayouts,
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type EditableParagraphExpectation,
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type PdfDocumentSnapshot,
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type PdfTextLineSnapshot,
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} from "../src/index.js";
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function line(
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text: string,
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y: number,
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width = 120,
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x = 72,
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): PdfTextLineSnapshot {
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return {
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text,
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normalizedText: text,
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bounds: { x, y: y - 10, width, height: 12 },
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baselineY: y,
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role: "content",
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items: [],
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};
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}
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function snapshot(
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label: string,
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pages: PdfTextLineSnapshot[][],
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): PdfDocumentSnapshot {
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return {
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schemaVersion: 1,
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source: { kind: "custom", label },
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sha256: label.padEnd(64, "0").slice(0, 64),
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pageCount: pages.length,
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contentText: pages.flat().map((item) => item.normalizedText).join(""),
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pages: pages.map((lines, index) => ({
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pageNumber: index + 1,
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widthPt: 595,
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heightPt: 842,
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rotation: 0,
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items: [],
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lines,
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contentText: lines.map((item) => item.normalizedText).join(""),
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})),
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};
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}
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function expectation(
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text: string,
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overrides: Partial<EditableParagraphExpectation> = {},
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): EditableParagraphExpectation {
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return {
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index: 0,
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text,
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role: "body",
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section: "body",
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...overrides,
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};
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}
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describe("PDF 内容感知段落版式门禁", () => {
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it("允许正文段落整体移动到下一物理页", () => {
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const baseline = snapshot("baseline", [
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[line("建立月度调度机制及时协调", 700), line("解决项目中的问题", 728)],
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[],
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]);
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const candidate = snapshot("candidate", [
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[],
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[line("建立月度调度机制及时协调", 100), line("解决项目中的问题", 128)],
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]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[expectation("建立月度调度机制及时协调解决项目中的问题")],
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);
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expect(result?.status).toBe("passed");
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expect(result?.baseline.pageNumbers).toEqual([1]);
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expect(result?.candidate.pageNumbers).toEqual([2]);
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});
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it("拒绝标题从一行变成两行", () => {
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const baseline = snapshot("baseline", [
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[line("智慧园区一体化平台建设项目", 220, 250)],
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]);
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const candidate = snapshot("candidate", [
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[line("智慧园区一体化平台", 220, 190), line("建设项目", 250, 60)],
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]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[
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expectation("智慧园区一体化平台建设项目", {
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role: "title",
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section: "cover",
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styleId: "MdProjectReportProjectName",
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}),
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],
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);
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expect(result?.status).toBe("failed");
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expect(result?.issues.map((issue) => issue.code)).toContain(
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"TEXT_BLOCK_LINE_COUNT_MISMATCH",
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);
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});
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it("允许长正文仅有极短末行的跨引擎换行差异", () => {
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const text =
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"数字化管理部门负责项目统筹技术审查过程监督和验收管理需求单位负责业务需求确认试运行和应用推广";
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const baseline = snapshot("baseline", [
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[line(text.slice(0, -2), 220, 680), line(text.slice(-2), 244, 28)],
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]);
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const candidate = snapshot("candidate", [[line(text, 220, 695)]]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[expectation(text)],
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);
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expect(result?.status).toBe("warning");
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expect(result?.issues).toEqual([
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expect.objectContaining({
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code: "BODY_LINE_COUNT_NEAR_BOUNDARY",
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severity: "warning",
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}),
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]);
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});
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it("拒绝短正文或非极短末行的行数差异", () => {
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const text = "项目建设内容需要严格控制质量进度投资安全风险";
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const baseline = snapshot("baseline", [
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[line(text.slice(0, -5), 220), line(text.slice(-5), 244)],
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]);
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const candidate = snapshot("candidate", [[line(text, 220)]]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[expectation(text)],
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);
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expect(result?.status).toBe("failed");
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expect(result?.issues.map((issue) => issue.code)).toContain(
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"TEXT_BLOCK_LINE_COUNT_MISMATCH",
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);
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});
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it("拒绝封面内容漂移到正文页", () => {
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const baseline = snapshot("baseline", [
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[line("可行性研究报告", 300, 180)],
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[],
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]);
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const candidate = snapshot("candidate", [
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[],
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[line("可行性研究报告", 100, 180)],
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]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[
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expectation("可行性研究报告", {
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role: "title",
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section: "cover",
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styleId: "MdProjectReportTitle",
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}),
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],
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);
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expect(result?.status).toBe("failed");
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expect(result?.issues.map((issue) => issue.code)).toContain(
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"COVER_LAYOUT_MISMATCH",
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);
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});
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it("忽略 PDF 文本提取器失真的单行宽度但保留诊断值", () => {
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const baseline = snapshot("baseline", [
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[line("数据治理平台建设项目", 300, 224)],
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]);
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const candidate = snapshot("candidate", [
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[line("数据治理平台建设项目", 300, 210)],
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]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[
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expectation("数据治理平台建设项目", {
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role: "title",
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section: "cover",
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styleId: "MdProjectReportTitle",
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}),
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],
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);
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expect(result?.status).toBe("passed");
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expect(result?.baseline.maximumLineWidthPt).toBe(224);
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expect(result?.candidate.maximumLineWidthPt).toBe(210);
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});
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it("允许封面字形基线在 3pt 内波动", () => {
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const baseline = snapshot("baseline", [
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[line("数据治理平台建设项目", 300, 224)],
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]);
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const candidate = snapshot("candidate", [
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[line("数据治理平台建设项目", 302.5, 224)],
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]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[
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expectation("数据治理平台建设项目", {
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role: "title",
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section: "cover",
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styleId: "MdProjectReportTitle",
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}),
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],
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);
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expect(result?.status).toBe("passed");
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});
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it("拒绝封面字形基线偏移超过 6pt", () => {
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const baseline = snapshot("baseline", [
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[line("数据治理平台建设项目", 300, 224)],
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]);
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const candidate = snapshot("candidate", [
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[line("数据治理平台建设项目", 306.1, 224)],
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]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[
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expectation("数据治理平台建设项目", {
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role: "title",
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section: "cover",
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styleId: "MdProjectReportTitle",
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}),
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],
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);
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expect(result?.status).toBe("failed");
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expect(result?.issues.map((issue) => issue.code)).toContain(
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"COVER_LAYOUT_MISMATCH",
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);
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});
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it("允许封面文本提取框横向偏差在 3pt 内波动", () => {
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const baseline = snapshot("baseline", [
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[line("数据治理平台建设项目", 300, 224, 198)],
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]);
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const candidate = snapshot("candidate", [
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[line("数据治理平台建设项目", 300, 224, 200.5)],
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]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[
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expectation("数据治理平台建设项目", {
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role: "title",
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section: "cover",
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styleId: "MdProjectReportTitle",
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}),
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],
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);
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expect(result?.status).toBe("passed");
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});
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it("正文文本横向偏差仍严格限制为 2pt", () => {
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const baseline = snapshot("baseline", [
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[line("项目建设内容", 300, 120, 72)],
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]);
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const candidate = snapshot("candidate", [
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[line("项目建设内容", 300, 120, 74.5)],
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]);
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const [result] = comparePdfEditableParagraphLayouts(
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baseline,
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candidate,
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[expectation("项目建设内容")],
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);
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expect(result?.status).toBe("failed");
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expect(result?.issues.map((issue) => issue.code)).toContain(
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"PARAGRAPH_LINE_GEOMETRY_MISMATCH",
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);
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});
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});
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