62 lines
1.5 KiB
TypeScript
62 lines
1.5 KiB
TypeScript
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/*
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* @Author: early-autumn
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* @Date: 2020-04-20 15:40:44
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* @LastEditors: early-autumn
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* @LastEditTime: 2020-04-20 22:05:48
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*/
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import InterceptorManager from '../../src/core/InterceptorManager';
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describe('测试 src/core/InterceptorManager.ts', () => {
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it('实例化', () => {
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const interceptor = new InterceptorManager();
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const executor = jest.fn();
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interceptor.forEach(executor);
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// executor 不应该被执行
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expect(executor.mock.calls.length).toBe(0);
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});
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it('注册和取消注册', () => {
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const interceptor = new InterceptorManager();
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const executor1 = jest.fn();
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const executor2 = jest.fn();
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const id1 = interceptor.use(() => undefined);
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const id2 = interceptor.use(() => undefined);
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interceptor.forEach(executor1);
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// executor1 应该被执行了两次
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expect(executor1.mock.calls.length).toBe(2);
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interceptor.eject(id1);
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interceptor.eject(id2);
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interceptor.forEach(executor2);
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// executor2 不应该被执行
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expect(executor2.mock.calls.length).toBe(0);
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});
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it('倒序遍历', () => {
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const interceptor = new InterceptorManager();
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let id = 0;
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// 应该后被执行
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interceptor.use((id) => expect(id).toBe(1));
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// 应该先被执行
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interceptor.use((id) => expect(id).toBe(0));
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interceptor.forEach(({ resolved }) => {
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resolved(id++);
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}, 'reverse');
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});
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it('异常', () => {
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const interceptor = new InterceptorManager();
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interceptor.use(() => undefined);
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interceptor.forEach(({ rejected }) => rejected('error'));
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});
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});
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