BurstDetectorTest.java

/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

package org.ow2.choreos.utils;

import static org.junit.Assert.*;

import org.junit.Test;

public class BurstDetectorTest {

    @Test
    public void shouldDetectBurst() {

        BurstDetector burstDetector = new BurstDetector(3, 100);
        assertFalse(burstDetector.invoke());
        assertFalse(burstDetector.invoke());
        assertTrue(burstDetector.invoke());
        assertFalse(burstDetector.invoke());
        assertFalse(burstDetector.invoke());
        assertTrue(burstDetector.invoke());
        assertFalse(burstDetector.invoke());
    }

    @Test
    public void shouldNotDetectBurst() throws InterruptedException {

        BurstDetector burstDetector = new BurstDetector(3, 10);
        assertFalse(burstDetector.invoke());
        Thread.sleep(20);
        assertFalse(burstDetector.invoke());
        Thread.sleep(20);
        assertFalse(burstDetector.invoke());
        Thread.sleep(20);
        assertFalse(burstDetector.invoke());
        Thread.sleep(20);
        assertFalse(burstDetector.invoke());
        Thread.sleep(20);
        assertFalse(burstDetector.invoke());
        Thread.sleep(20);
        assertFalse(burstDetector.invoke());
    }
}