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// Copyright 2017 Yahoo Holdings. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespa.hosted.controller.application;
import com.yahoo.config.provision.ClusterSpec;
import org.junit.Assert;
import org.junit.Test;
import java.util.ArrayList;
import java.util.List;
/**
* @author smorgrav
*/
public class ClusterCostTest {
@Test
public void clusterCost() throws Exception {
List<String> hostnames = new ArrayList<>();
hostnames.add("host1");
hostnames.add("host2");
ClusterInfo info = new ClusterInfo("test", 100, 10, 10, 10, ClusterSpec.Type.container, hostnames);
ClusterUtilization util = new ClusterUtilization(0.3, 0.2, 0.5, 0.1);
ClusterCost cost = new ClusterCost(info, util);
// CPU is fully utilized
Assert.assertEquals(200, cost.getTco(), Double.MIN_VALUE);
Assert.assertEquals(0, cost.getWaste(), Double.MIN_VALUE);
// Set Disk as the most utilized resource
util = new ClusterUtilization(0.3, 0.1, 0.5, 0.1);
cost = new ClusterCost(info, util);
Assert.assertEquals(200, cost.getTco(), Double.MIN_NORMAL); // TCO is independent of utilization
Assert.assertEquals(57.1428571429, cost.getWaste(), 0.001); // Waste is not independent
}
}
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