feat: manually mirror opencoze's code from bytedance

Change-Id: I09a73aadda978ad9511264a756b2ce51f5761adf

frontend/packages/arch/pdfjs-shadow/__tests__/generate-assets.test.ts

@@ -0,0 +1,89 @@
+/*
+ * Copyright 2025 coze-dev Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+ 
+import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
+
+import { generatePdfAssetsUrl } from '../src/generate-assets';
+import pkg from '../package.json';
+
+describe('generatePdfAssetsUrl', () => {
+  const originalRegion = global.REGION;
+
+  beforeEach(() => {
+    // 重置模拟
+    vi.resetAllMocks();
+  });
+
+  afterEach(() => {
+    // 恢复原始 REGION 值
+    global.REGION = originalRegion;
+  });
+
+  it('应该为 cmaps 生成正确的 URL（中国区域）', () => {
+    // 设置区域为中国
+    global.REGION = 'cn';
+
+    const url = generatePdfAssetsUrl('cmaps');
+
+    // 验证 URL 格式
+    expect(url).toContain('//lf-cdn.coze.cn/obj/unpkg');
+    expect(url).toContain(pkg.name.replace(/^@/, ''));
+    expect(url).toContain('lib/cmaps/');
+  });
+
+  it('应该为 pdf.worker 生成正确的 URL（中国区域）', () => {
+    // 设置区域为中国
+    global.REGION = 'cn';
+
+    const url = generatePdfAssetsUrl('pdf.worker');
+
+    // 验证 URL 格式
+    expect(url).toContain('//lf-cdn.coze.cn/obj/unpkg');
+    expect(url).toContain(pkg.name.replace(/^@/, ''));
+    expect(url).toContain('lib/worker.js');
+  });
+
+  it('应该为 cmaps 生成正确的 URL（国际区域）', () => {
+    // 设置区域为国际
+    global.REGION = 'va';
+
+    const url = generatePdfAssetsUrl('cmaps');
+
+    // 验证 URL 格式
+    expect(url).toContain('//sf-cdn.coze.com/obj/unpkg-va');
+    expect(url).toContain(pkg.name.replace(/^@/, ''));
+    expect(url).toContain('lib/cmaps/');
+  });
+
+  it('应该为 pdf.worker 生成正确的 URL（国际区域）', () => {
+    // 设置区域为国际
+    global.REGION = 'va';
+
+    const url = generatePdfAssetsUrl('pdf.worker');
+
+    // 验证 URL 格式
+    expect(url).toContain('//sf-cdn.coze.com/obj/unpkg-va');
+    expect(url).toContain(pkg.name.replace(/^@/, ''));
+    expect(url).toContain('lib/worker.js');
+  });
+
+  it('应该在传入无效资源类型时抛出错误', () => {
+    // 使用类型断言来测试错误情况
+    expect(() => generatePdfAssetsUrl('invalid' as any)).toThrow(
+      '目前只支持引用 cmaps 与 pdf.worker 文件',
+    );
+  });
+});