TestRunActionModel.java

/*
 * Copyright (c) 2010 Ecole des Mines de Nantes.
 *
 *      This file is part of Entropy.
 *
 *      Entropy is free software: you can redistribute it and/or modify
 *      it under the terms of the GNU Lesser General Public License as published by
 *      the Free Software Foundation, either version 3 of the License, or
 *      (at your option) any later version.
 *
 *      Entropy is distributed in the hope that it will be useful,
 *      but WITHOUT ANY WARRANTY; without even the implied warranty of
 *      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *      GNU Lesser General Public License for more details.
 *
 *      You should have received a copy of the GNU Lesser General Public License
 *      along with Entropy.  If not, see <http://www.gnu.org/licenses/>.
 */
package entropy.plan.choco.actionModel;

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

import choco.kernel.solver.ContradictionException;
import entropy.configuration.DefaultConfiguration;
import entropy.configuration.DefaultNode;
import entropy.configuration.DefaultVirtualMachine;
import entropy.plan.action.Run;
import entropy.plan.choco.ReconfigurationProblem;

/**
 * Unit tests for RunActionModel.
 *
 * @author Fabien Hermenier
 */
@Test(groups = {"unit", "RP-core"})
public class TestRunActionModel {

    /**
     * Test the creation of a plan composed by a run action.
     */
    public void testRunActionCreationAndSolve() {
        DefaultConfiguration src = new DefaultConfiguration();
        DefaultNode n = new DefaultNode("n", 1, 1, 1);
        DefaultVirtualMachine vm = new DefaultVirtualMachine("VM1", 1, 1, 1);
        src.addWaiting(vm);
        src.addOnline(n);
        DefaultConfiguration dst = new DefaultConfiguration(src);
        dst.setRunOn(vm, n);
        ReconfigurationProblem model = TimedReconfigurationPlanModelHelper.makeBasicModel(src, dst);
        RunActionModel r = (RunActionModel) model.getAssociatedAction(vm);
        Assert.assertEquals(r.getDuration().getVal(), 3);
        Assert.assertNotNull(r.getDemandingSlice());
        Assert.assertEquals(r.getDemandingSlice().getCPUheight(), r.getVirtualMachine().getCPUDemand());
        Assert.assertEquals(r.getDemandingSlice().getMemoryheight(), r.getVirtualMachine().getMemoryDemand());
        Assert.assertEquals(r.getVirtualMachine(), vm);
        Assert.assertNotNull(r.end());

        Assert.assertTrue(model.solve(false));
        Run s = r.getDefinedAction(model);
        Assert.assertEquals(s.getVirtualMachine(), vm);
        Assert.assertEquals(s.getHost(), n);
        Assert.assertEquals(s.getStartMoment(), 0);
        Assert.assertEquals(s.getFinishMoment(), 3);
        Assert.assertEquals(r.getDuration().getVal(), 3);
    }

    /**
     * Test with a slice bigger than the duration of the action.
     * The action thus ends before the end of the slice.
     */
    public void testWithBiggerSlice() {
        DefaultConfiguration src = new DefaultConfiguration();
        DefaultNode n = new DefaultNode("N1", 1, 1, 1);
        DefaultVirtualMachine vm = new DefaultVirtualMachine("VM1", 1, 1, 1);
        src.addWaiting(vm);
        src.addOnline(n);
        DefaultConfiguration dst = new DefaultConfiguration(src);
        dst.setRunOn(vm, n);
        ReconfigurationProblem model = TimedReconfigurationPlanModelHelper.makeBasicModel(src, dst);
        RunActionModel r = (RunActionModel) model.getAssociatedAction(vm);

        //Here, we increase the duration of the slice
        try {
            r.getDemandingSlice().duration().setInf(20);
        } catch (ContradictionException e) {
            Assert.fail(e.getMessage());
        }
        Assert.assertNotNull(r.getDemandingSlice());
        Assert.assertEquals(r.getVirtualMachine(), vm);
        Assert.assertNotNull(r.end());

        Assert.assertTrue(model.solve(false));
        Run s = r.getDefinedAction(model);
        Assert.assertEquals(s.getVirtualMachine(), vm);
        Assert.assertEquals(s.getHost(), n);
        Assert.assertEquals(s.getStartMoment(), 0);
        Assert.assertEquals(s.getFinishMoment(), 3);
    }
}