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add and test helper to easily get random routes and jobs from collection

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oblonski 2015-01-14 19:57:59 +01:00
parent b357bed413
commit 3402bb413e
2 changed files with 52 additions and 10 deletions
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jsprit-core/src/test/java/jsprit/core/util/RandomUtilsTest.java Normal file
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package jsprit.core.util;
import jsprit.core.problem.job.Job;
import junit.framework.Assert;
import org.junit.Test;
import java.util.Arrays;
import java.util.Collection;
import java.util.List;
import java.util.Random;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
/**
* Created by schroeder on 14/01/15.
*/
public class RandomUtilsTest {
@Test
public void shouldReturnSingleJob(){
Job job = mock(Job.class);
Collection<Job> jobs = Arrays.asList(job);
Assert.assertEquals(job, RandomUtils.nextItem(jobs, RandomNumberGeneration.getRandom()));
}
@Test
public void shouldReturnSingleJob_(){
Job job = mock(Job.class);
Collection<Job> jobs = Arrays.asList(job);
Assert.assertEquals(job, RandomUtils.nextJob(jobs, RandomNumberGeneration.getRandom()));
}
@Test
public void shouldReturnJob3(){
Job job3 = mock(Job.class);
List<Job> jobs = Arrays.asList(mock(Job.class),mock(Job.class),job3);
Random random = mock(Random.class);
when(random.nextInt(jobs.size())).thenReturn(2);
Assert.assertEquals(job3,RandomUtils.nextJob(jobs,random));
}
}