feat: 实现 Pandoc DOCX 转换服务

packages/docx-engine/tests/reference-builder.test.ts

@@ -1,4 +1,5 @@
 import { describe, expect, it } from "vitest";
+import { randomBytes } from "node:crypto";
 import { unzipSync, zipSync } from "fflate";
 import {
   defaultExportConfig,
@@ -7,6 +8,7 @@ import {
 } from "@md-to-pdf/core";
 import {
   createDynamicReferenceDocx,
+  validateGeneratedDocx,
   validateDynamicReferenceDocx,
   writeReferenceDocxPackage
 } from "../src/index.js";
@@ -272,4 +274,27 @@ describe("动态 reference.docx", () => {
       /footerReference 引用了无效关系/u
     );
   });
+
+  it("最终 DOCX 使用媒体输出上限而非模板的 2 MiB 上限", () => {
+    const result = createDynamicReferenceDocx(
+      createBaselineReference(),
+      createOptions(defaultExportConfig)
+    );
+    const entries = unzipSync(result.content);
+    const generated = zipSync(
+      {
+        ...entries,
+        "word/media/large-test.bin": randomBytes(3 * 1024 * 1024)
+      },
+      { level: 0 }
+    );
+
+    expect(generated.byteLength).toBeGreaterThan(2 * 1024 * 1024);
+    expect(validateGeneratedDocx(generated).partCount).toBe(
+      result.partCount + 1
+    );
+    expect(() => validateDynamicReferenceDocx(generated)).toThrow(
+      /大小超过限制/u
+    );
+  });
 });