MorphDoc/packages/core/tests/export-config.test.ts

import { describe, expect, it } from "vitest";
import {
  cssPixelsToMillimeters,
  defaultExportConfig,
  exportConfigSchema,
  getPaperDimensionsMm,
  millimetersToCssPixels,
  millimetersToPdfPoints,
  paperDimensionsMm,
  supportedMermaidLayouts,
  supportedMermaidLooks,
  supportedMermaidThemes,
  supportedPaperFormats
} from "../src/export-config.js";

describe("导出配置", () => {
  it("只保留五种固定纸张尺寸", () => {
    expect(supportedPaperFormats).toEqual([
      "A3",
      "A4",
      "A5",
      "Letter",
      "Legal"
    ]);
    expect(paperDimensionsMm).toEqual({
      A3: { width: 297, height: 420 },
      A4: { width: 210, height: 297 },
      A5: { width: 148, height: 210 },
      Letter: { width: 216, height: 279 },
      Legal: { width: 216, height: 356 }
    });
  });

  it("使用 A4 和 16mm 作为默认纸张配置", () => {
    expect(defaultExportConfig.themeId).toBe("typora-github");
    expect(defaultExportConfig.paper).toEqual({
      format: "A4",
      orientation: "portrait",
      margins: {
        top: "16mm",
        right: "16mm",
        bottom: "16mm",
        left: "16mm"
      }
    });
    expect(exportConfigSchema.safeParse(defaultExportConfig).success).toBe(true);
  });

  it("提供 Mermaid 官方布局、主题、外观和字体默认值", () => {
    expect(supportedMermaidLayouts).toEqual(["dagre", "elk"]);
    expect(supportedMermaidLooks).toEqual([
      "classic",
      "handDrawn",
      "neo"
    ]);
    expect(supportedMermaidThemes).toContain("redux-dark-color");
    expect(defaultExportConfig.mermaid).toEqual({
      layout: "dagre",
      theme: "default",
      look: "classic",
      fontFamily: "Segoe UI, Microsoft YaHei, sans-serif"
    });
  });

  it("拒绝 Mermaid 未支持的导出配置", () => {
    expect(
      exportConfigSchema.safeParse({
        ...defaultExportConfig,
        mermaid: {
          ...defaultExportConfig.mermaid,
          layout: "unknown"
        }
      }).success
    ).toBe(false);
    expect(
      exportConfigSchema.safeParse({
        ...defaultExportConfig,
        mermaid: {
          ...defaultExportConfig.mermaid,
          fontFamily: ""
        }
      }).success
    ).toBe(false);
  });

  it("使用统一的 96 CSS px/in 和 72 PDF pt/in 换算物理尺寸", () => {
    expect(millimetersToCssPixels(25.4)).toBeCloseTo(96);
    expect(cssPixelsToMillimeters(96)).toBeCloseTo(25.4);
    expect(millimetersToCssPixels(210)).toBeCloseTo(793.700787);
    expect(millimetersToPdfPoints(210)).toBeCloseTo(595.275591);
  });

  it("根据方向交换纸张宽高", () => {
    expect(getPaperDimensionsMm("A5", "portrait")).toEqual({
      width: 148,
      height: 210
    });
    expect(getPaperDimensionsMm("A5", "landscape")).toEqual({
      width: 210,
      height: 148
    });
  });

  it("拒绝旧配置版本和已移除的纸张类型", () => {
    expect(
      exportConfigSchema.safeParse({
        ...defaultExportConfig,
        version: 1
      }).success
    ).toBe(false);
    expect(
      exportConfigSchema.safeParse({
        ...defaultExportConfig,
        paper: {
          ...defaultExportConfig.paper,
          format: "Tabloid"
        }
      }).success
    ).toBe(false);
  });

  it("拒绝没有正文可用区域的页边距", () => {
    expect(
      exportConfigSchema.safeParse({
        ...defaultExportConfig,
        paper: {
          ...defaultExportConfig.paper,
          margins: {
            top: "149mm",
            right: "105mm",
            bottom: "149mm",
            left: "105mm"
          }
        }
      }).success
    ).toBe(false);
  });
});