79 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
			
		
		
	
	
			79 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			TypeScript
		
	
	
	
| /*
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|  * Copyright 2025 coze-dev Authors
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|  *
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|  * Licensed under the Apache License, Version 2.0 (the "License");
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|  * you may not use this file except in compliance with the License.
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|  * You may obtain a copy of the License at
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|  *
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|  *     http://www.apache.org/licenses/LICENSE-2.0
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|  *
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|  * Unless required by applicable law or agreed to in writing, software
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|  * distributed under the License is distributed on an "AS IS" BASIS,
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|  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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|  * See the License for the specific language governing permissions and
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|  * limitations under the License.
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|  */
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|  
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| import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
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| 
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| // 模拟 pdfjs-dist 模块
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| vi.mock('pdfjs-dist', () => ({
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|   GlobalWorkerOptions: {
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|     workerSrc: '',
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|   },
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| }));
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| 
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| // 模拟 generate-assets 模块
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| vi.mock('../src/generate-assets', () => ({
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|   generatePdfAssetsUrl: vi.fn().mockReturnValue('mocked-worker-url'),
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| }));
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| 
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| // 导入被测试的模块
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| import { GlobalWorkerOptions } from 'pdfjs-dist';
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| 
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| import { initPdfJsWorker } from '../src/init-pdfjs-dist';
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| import { generatePdfAssetsUrl } from '../src/generate-assets';
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| 
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| describe('initPdfJsWorker', () => {
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|   beforeEach(() => {
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|     // 每个测试前重置 GlobalWorkerOptions.workerSrc
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|     GlobalWorkerOptions.workerSrc = '';
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|     // 清除所有模拟函数的调用记录
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|     vi.clearAllMocks();
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|   });
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| 
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|   afterEach(() => {
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|     // 每个测试后重置模拟
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|     vi.resetAllMocks();
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|   });
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| 
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|   it('应该设置 GlobalWorkerOptions.workerSrc 当它为空时', () => {
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|     // 确保 workerSrc 初始为空
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|     expect(GlobalWorkerOptions.workerSrc).toBe('');
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| 
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|     // 调用初始化函数
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|     initPdfJsWorker();
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| 
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|     // 验证 generatePdfAssetsUrl 被调用,且参数正确
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|     expect(generatePdfAssetsUrl).toHaveBeenCalledTimes(1);
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|     expect(generatePdfAssetsUrl).toHaveBeenCalledWith('pdf.worker');
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| 
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|     // 验证 workerSrc 被正确设置
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|     expect(GlobalWorkerOptions.workerSrc).toBe('mocked-worker-url');
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|   });
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| 
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|   it('不应该重新设置 GlobalWorkerOptions.workerSrc 当它已经有值时', () => {
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|     // 预先设置 workerSrc
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|     GlobalWorkerOptions.workerSrc = 'existing-worker-url';
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| 
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|     // 调用初始化函数
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|     initPdfJsWorker();
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| 
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|     // 验证 generatePdfAssetsUrl 没有被调用
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|     expect(generatePdfAssetsUrl).not.toHaveBeenCalled();
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| 
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|     // 验证 workerSrc 保持不变
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|     expect(GlobalWorkerOptions.workerSrc).toBe('existing-worker-url');
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|   });
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| });
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