NumberSequenceTest.java

/*
 * -----------------------------------------------------------------------\
 * PerfCake
 *  
 * Copyright (C) 2010 - 2016 the original author or authors.
 *  
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * -----------------------------------------------------------------------/
 */
package org.perfcake.message.sequence;

import org.perfcake.PerfCakeException;

import org.testng.Assert;
import org.testng.annotations.Test;

import java.util.Properties;

/**
 * @author Martin Večeřa <marvenec@gmail.com>
 */
@Test(groups = "unit")
public class NumberSequenceTest {

   @Test
   public void defaultTest() throws PerfCakeException {
      final NumberSequence s = new NumberSequence();
      s.reset();

      Assert.assertEquals(s.getStart(), 0);
      Assert.assertEquals(s.getEnd(), Long.MIN_VALUE);
      Assert.assertEquals(s.getStep(), 1);
      Assert.assertEquals(s.isCycle(), true);

      final Properties props = new Properties();
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "0");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "1");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "2");
   }

   @Test
   public void overUnderFlowTest() throws PerfCakeException {
      NumberSequence s = new NumberSequence();
      s.setStart(Long.MAX_VALUE - 8);
      s.setStep(5);
      s.reset();

      final Properties props = new Properties();
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), String.valueOf(Long.MAX_VALUE - 8));
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), String.valueOf(Long.MAX_VALUE - 3));
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), String.valueOf(Long.MIN_VALUE + 1));

      s.setStart(Long.MIN_VALUE + 8);
      s.setStep(-5);
      s.reset();

      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), String.valueOf(Long.MIN_VALUE + 8));
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), String.valueOf(Long.MIN_VALUE + 3));
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), String.valueOf(Long.MAX_VALUE - 1));
   }

   @Test
   public void incTest() throws PerfCakeException {
      NumberSequence s = new NumberSequence();
      s.setStart(10);
      s.setEnd(20);
      s.setStep(3);
      s.reset();

      final Properties props = new Properties();
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "10");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "13");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "16");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "19");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "10");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "13");
   }

   @Test
   public void decTest() throws PerfCakeException {
      NumberSequence s = new NumberSequence();
      s.setStart(20);
      s.setEnd(10);
      s.setStep(-3);
      s.reset();

      final Properties props = new Properties();
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "20");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "17");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "14");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "11");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "20");
      s.publishNext("v1", props);
      Assert.assertEquals(props.getProperty("v1"), "17");
   }

}