Files
MorphDoc/packages/preview-engine/tests/paged-preview.test.ts
T
SkyJourney 83e6559c2c release: 发布 v0.5.1
新增能力:内置 4 套红头、3 套正式文档和 3 套标书主题,支持主题推荐页边距、页面装饰、页眉页脚和页码;增加结构化公文、项目报告及标书 Front Matter,内置 Fandol 中文字体、两份教程和 14 份主题示例。

桌面工作流:重组更多菜单,增加新建、保存、另存为快捷键和未保存确认;另存为后跟随新路径,主题示例自动切换主题,Desktop 发行包完整携带教程、示例与字体。

问题修复:修正红头标题居中与正式文档字体;围栏代码按正文宽度自动换行,长内容安全断行,至少两行即可在当前页分页,并统一保留 8px 左侧内容留白;Docker Web 镜像正确打包 samples。

兼容与部署:未声明主题推荐设置时继续使用 16mm 默认页边距;Web 隐藏不适用的另存为。正式镜像 yixiong/md-to-pdf:v0.5.1 内容 ID 为 sha256:72f519a69bfd6cb2f6df30c2be938e58ceb6f20e4748a32551874de3d436b276,Compose 健康运行。

验证结果:最终修复前 65 个测试文件、286 项测试通过,最终代码块与主题定向测试 27 项通过;全项目类型检查、生产构建和 git diff --check 通过。容器检出 14 套主题、17 份 Markdown,代码块回归 PDF 为 2 页且无越界。NSIS SHA-256 为 676CCE73D782B0B15AC6BC68F253CFBC4740383583E4DAA98F746EDF9999C5CC,ZIP SHA-256 为 82BF6ADF1200604F145CC86FA3ED193955CF6741EBEE3DF8953483515CFF621F。
2026-07-29 16:58:17 +08:00

337 lines
9.5 KiB
TypeScript

import { defaultExportConfig } from "@md-to-pdf/core";
import { describe, expect, it } from "vitest";
import {
buildPagedMediaCss,
continuousDocumentGeometryCss,
createPagedPreviewRenderRequest,
documentBaseCss,
documentGeometryCss,
documentInteractionCss,
formatPageNumber,
isPagedPreviewFrameMessage,
isPagedPreviewRenderRequest,
PAGED_PREVIEW_MESSAGE_SCOPE,
resolvePageNumberAlignment,
shouldRenderPageNumber,
type PagedPreviewPayload
} from "../src/paged-preview.js";
const payload: PagedPreviewPayload = {
articleHtml: '<article id="write"><h1>分页测试</h1></article>',
fileName: "分页测试.md",
metadata: {
title: "分页测试",
author: "",
subject: "",
keywords: [],
language: "zh-CN"
},
features: [],
themeCss: "#write { color: #333; }",
exportConfig: defaultExportConfig
};
describe("分页预览协议", () => {
it("生成真实纸张尺寸和页边距 CSS", () => {
const css = buildPagedMediaCss(defaultExportConfig, payload);
expect(css).toContain("size: 210mm 297mm");
expect(css).toContain("margin: 16mm 16mm");
expect(css).toContain("@bottom-center");
expect(css).toContain(
'font-family: "Segoe UI", "Microsoft YaHei", sans-serif'
);
expect(css).not.toContain("counter-reset: page");
expect(css).toContain("#write thead");
expect(css).toContain("display: table-header-group");
expect(css).toContain("break-inside: avoid");
expect(css).toContain(".pagedjs_pages");
expect(css).toContain("padding: 34px 0");
expect(css).toContain('html[data-render-target="preview"]');
expect(css).toContain("overflow-x: hidden");
expect(css).toContain("overflow-y: hidden");
expect(css).not.toContain("scrollbar-color");
expect(css).toContain('html[data-render-target="pdf"]');
expect(css).toContain("height: auto !important");
expect(css).toContain("overflow: visible !important");
expect(css).toContain("padding: 0");
expect(css).toContain("break-after: page");
expect(css).not.toContain("@media print");
});
it("安全替换页眉变量并生成三栏页边距盒", () => {
const css = buildPagedMediaCss(
{
...defaultExportConfig,
header: {
...defaultExportConfig.header,
enabled: true,
showDivider: true,
left: {
enabled: true,
content: '${title} — ${filename} "测试"'
},
center: {
enabled: true,
content: "${author}"
}
}
},
{
...payload,
metadata: {
...payload.metadata,
author: "内网团队"
}
}
);
expect(css).toContain("@top-left");
expect(css).toContain("@top-center");
expect(css).toContain("@top-right");
expect(css).toContain(
'content: "分页测试 — 分页测试.md \\"测试\\""'
);
expect(css).toContain('content: "内网团队"');
expect(css).toContain("border-bottom: 0.2mm solid currentColor");
});
it("支持自定义页码模板和起始页码", () => {
const css = buildPagedMediaCss(
{
...defaultExportConfig,
footer: {
...defaultExportConfig.footer,
format: "custom",
template: "第 ${page} / ${pages} 页",
alignment: "right",
startFrom: 5
}
},
payload
);
expect(css).toContain("@bottom-right");
expect(
formatPageNumber(
{
...defaultExportConfig.footer,
format: "custom",
template: "第 ${page} / ${pages} 页",
startFrom: 5
},
2,
8
)
).toBe("第 7 / 8 页");
});
it("逐页递增内置页码格式但保持真实总页数", () => {
expect(
formatPageNumber(defaultExportConfig.footer, 0, 5)
).toBe("1 / 5");
expect(
formatPageNumber(defaultExportConfig.footer, 1, 5)
).toBe("2 / 5");
expect(
formatPageNumber(
{
...defaultExportConfig.footer,
format: "chinese-page-total",
startFrom: 5
},
3,
5
)
).toBe("第 8 页 / 共 5 页");
expect(
formatPageNumber(
{
...defaultExportConfig.footer,
format: "dash-page"
},
4,
5
)
).toBe("- 5 -");
expect(
formatPageNumber(
{
...defaultExportConfig.footer,
format: "official-page"
},
4,
5
)
).toBe("— 5 —");
});
it("将公文页码放在奇偶页外侧并支持首页隐藏", () => {
const officialFooter = {
...defaultExportConfig.footer,
alignment: "outer" as const,
showOnFirstPage: false
};
expect(resolvePageNumberAlignment(officialFooter, 0)).toBe(
"right"
);
expect(resolvePageNumberAlignment(officialFooter, 1)).toBe(
"left"
);
expect(resolvePageNumberAlignment(officialFooter, 2)).toBe(
"right"
);
expect(shouldRenderPageNumber(officialFooter, 0)).toBe(false);
expect(shouldRenderPageNumber(officialFooter, 1)).toBe(true);
});
it("在主题 CSS 之后强制分页画布保持透明", () => {
expect(documentGeometryCss).toContain(
"background: transparent !important"
);
});
it("避免 Typora 围栏容器重复应用行内代码盒模型", () => {
expect(documentBaseCss).toContain(
"#write pre.md-fences > code"
);
expect(documentBaseCss).toContain("background: transparent;");
expect(documentBaseCss).toContain("font-size: inherit;");
expect(documentBaseCss).not.toMatch(
/#write pre\.md-fences > code\s*\{[^}]*!important/su
);
});
it("只在至少两行的代码组之间分页", () => {
const css = buildPagedMediaCss(defaultExportConfig, payload);
expect(css).toContain("#write .md-code-pagination-chunk");
expect(css).toContain("#write .md-code-line-group");
expect(css).toContain("page-break-inside: avoid;");
expect(css).toContain(
'[data-code-pagination-position="first"]'
);
expect(css).toContain(
'[data-code-pagination-position="last"]'
);
expect(css).toContain("#write .md-code-line");
expect(css).toContain("min-height: 1lh;");
});
it("代码围栏按正文宽度保留缩进并自动折行", () => {
expect(documentBaseCss).toContain("#write pre.md-fences,");
expect(documentBaseCss).toContain(
"#write .md-code-pagination-chunk"
);
expect(documentBaseCss).toContain("max-width: 100%;");
expect(documentBaseCss).toContain("padding-left: 8px;");
expect(documentBaseCss).toContain("white-space: pre-wrap;");
expect(documentBaseCss).toContain("overflow-wrap: anywhere;");
expect(documentBaseCss).toContain("word-break: break-word;");
const css = buildPagedMediaCss(defaultExportConfig, payload);
expect(css).toContain("#write .md-code-line");
expect(css).toContain("overflow-wrap: inherit;");
expect(css).toContain("word-break: inherit;");
});
it("以低优先级兜底样式保留链接识别和焦点反馈", () => {
expect(documentInteractionCss).toContain(":where(#write a[href])");
expect(documentInteractionCss).toContain(
"text-decoration-line: underline;"
);
expect(documentInteractionCss).toContain(":focus-visible");
expect(documentInteractionCss).toContain("--md-accent");
expect(documentInteractionCss).not.toContain("!important");
});
it("连续预览由内容高度驱动且不创建内部滚动容器", () => {
expect(continuousDocumentGeometryCss).toContain(
"overflow: hidden !important"
);
expect(continuousDocumentGeometryCss).toContain(
"min-height: 0 !important"
);
expect(continuousDocumentGeometryCss).toContain(
'[data-continuous-render-stage="true"]'
);
expect(continuousDocumentGeometryCss).toContain(
"position: fixed !important"
);
expect(continuousDocumentGeometryCss).not.toContain("100vh");
});
it("生成并识别分页渲染请求", () => {
const request = createPagedPreviewRenderRequest(7, payload);
expect(request).toEqual({
scope: PAGED_PREVIEW_MESSAGE_SCOPE,
type: "render",
requestId: 7,
layout: "paged",
payload
});
expect(isPagedPreviewRenderRequest(request)).toBe(true);
expect(
createPagedPreviewRenderRequest(
8,
payload,
"continuous"
).layout
).toBe("continuous");
expect(
isPagedPreviewRenderRequest({
...request,
requestId: "7"
})
).toBe(false);
});
it("只接受分页 iframe 协议消息", () => {
expect(
isPagedPreviewFrameMessage({
scope: PAGED_PREVIEW_MESSAGE_SCOPE,
type: "link",
href: "https://example.com"
})
).toBe(true);
expect(
isPagedPreviewFrameMessage({
scope: PAGED_PREVIEW_MESSAGE_SCOPE,
type: "link",
href: ""
})
).toBe(false);
expect(
isPagedPreviewFrameMessage({
scope: PAGED_PREVIEW_MESSAGE_SCOPE,
type: "rendered",
requestId: 3,
layout: "paged",
pageCount: 2,
contentHeight: 2400,
echartsErrors: [],
mermaidErrors: []
})
).toBe(true);
expect(
isPagedPreviewFrameMessage({
scope: PAGED_PREVIEW_MESSAGE_SCOPE,
type: "rendered",
requestId: 3,
layout: "paged",
pageCount: 2,
echartsErrors: [],
mermaidErrors: []
})
).toBe(false);
expect(
isPagedPreviewFrameMessage({
scope: "other",
type: "ready"
})
).toBe(false);
});
});