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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import { describe, it, expect, vi, beforeEach, afterEach } from 'vitest';
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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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// 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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// 导入被测试的模块
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import { GlobalWorkerOptions } from 'pdfjs-dist';
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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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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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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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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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// 调用初始化函数
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initPdfJsWorker();
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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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// 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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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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// 调用初始化函数
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initPdfJsWorker();
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// 验证 generatePdfAssetsUrl 没有被调用
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expect(generatePdfAssetsUrl).not.toHaveBeenCalled();
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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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