63 lines
1.8 KiB
TypeScript
63 lines
1.8 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 { expect, it, vi } from 'vitest';
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import { RateLimit } from '../src/rate-limit';
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it('limit rate', async () => {
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vi.useFakeTimers();
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const request = vi.fn();
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const limiter = new RateLimit(request, {
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limit: 3,
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onLimitDelay: 1000,
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timeWindow: 5000,
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});
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for (const i of [1, 2, 3, 4, 5]) {
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limiter.invoke(i);
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}
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expect(request.mock.calls.length).toBe(3);
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// 1000
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await vi.advanceTimersByTimeAsync(1000);
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expect(request.mock.calls.length).toBe(4);
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// 2000
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await vi.advanceTimersByTimeAsync(1000);
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expect(request.mock.calls.length).toBe(5);
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// 3000
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await vi.advanceTimersByTimeAsync(1000);
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limiter.invoke();
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limiter.invoke();
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// 3010
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await vi.advanceTimersByTimeAsync(10);
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expect(request.mock.calls.length).toBe(6);
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// 4010
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await vi.advanceTimersByTimeAsync(1000);
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expect(request.mock.calls.length).toBe(7);
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// 离开窗口
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await vi.advanceTimersByTimeAsync(5000);
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limiter.invoke();
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limiter.invoke();
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limiter.invoke();
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expect(request.mock.calls.length).toBe(10);
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// 进入限流
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limiter.invoke();
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await vi.advanceTimersByTimeAsync(100);
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expect(request.mock.calls.length).toBe(10);
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expect((limiter as unknown as { records: number[] }).records.length).toBe(4);
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vi.useRealTimers();
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});
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