93 lines
3.0 KiB
Java
93 lines
3.0 KiB
Java
/*
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* SPDX-License-Identifier: MIT
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2015-2021 <Your name and contributors>
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package com.github.games647.fastlogin.core;
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import java.util.concurrent.TimeUnit;
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import org.junit.Test;
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import static org.junit.Assert.assertFalse;
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import static org.junit.Assert.assertTrue;
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public class RateLimiterTest {
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private static final long THRESHOLD_MILLI = 10;
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/**
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* Always expired
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*/
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@Test
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public void allowExpire() throws InterruptedException {
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int size = 3;
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// run twice the size to fill it first and then test it
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RateLimiter rateLimiter = new RateLimiter(size, 0);
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for (int i = 0; i < size; i++) {
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assertTrue("Filling up", rateLimiter.tryAcquire());
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}
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for (int i = 0; i < size; i++) {
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Thread.sleep(1);
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assertTrue("Should be expired", rateLimiter.tryAcquire());
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}
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}
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/**
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* Too many requests
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*/
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@Test
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public void shoudBlock() {
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int size = 3;
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// fill the size
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RateLimiter rateLimiter = new RateLimiter(size, TimeUnit.SECONDS.toMillis(30));
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for (int i = 0; i < size; i++) {
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assertTrue("Filling up", rateLimiter.tryAcquire());
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}
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assertFalse("Should be full and no entry should be expired", rateLimiter.tryAcquire());
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}
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/**
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* Blocked attempts shouldn't replace existing ones.
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*/
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@Test
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public void blockedNotAdded() throws InterruptedException {
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// fill the size - 100ms should be reasonable high
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RateLimiter rateLimiter = new RateLimiter(1, 100);
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assertTrue("Filling up", rateLimiter.tryAcquire());
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Thread.sleep(50);
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// still is full - should fail
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assertFalse("Expired too early", rateLimiter.tryAcquire());
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// wait the remaining time and add a threshold, because
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Thread.sleep(50 + THRESHOLD_MILLI);
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assertTrue("Request not released", rateLimiter.tryAcquire());
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}
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}
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