/*
* Copyright 2014 JBoss Inc
*
* 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.optaplanner.core.impl.solver.termination;
import org.junit.Test;
import org.optaplanner.core.impl.phase.scope.AbstractPhaseScope;
import org.optaplanner.core.impl.solver.scope.DefaultSolverScope;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
public class TimeMillisSpentTerminationTest {
@Test
public void solveTermination() {
Termination termination = new TimeMillisSpentTermination(1000L);
DefaultSolverScope phaseScope = mock(DefaultSolverScope.class);
when(phaseScope.calculateTimeMillisSpent()).thenReturn(0L);
assertEquals(false, termination.isSolverTerminated(phaseScope));
assertEquals(0.0, termination.calculateSolverTimeGradient(phaseScope), 0.0);
when(phaseScope.calculateTimeMillisSpent()).thenReturn(100L);
assertEquals(false, termination.isSolverTerminated(phaseScope));
assertEquals(0.1, termination.calculateSolverTimeGradient(phaseScope), 0.0);
when(phaseScope.calculateTimeMillisSpent()).thenReturn(500L);
assertEquals(false, termination.isSolverTerminated(phaseScope));
assertEquals(0.5, termination.calculateSolverTimeGradient(phaseScope), 0.0);
when(phaseScope.calculateTimeMillisSpent()).thenReturn(700L);
assertEquals(false, termination.isSolverTerminated(phaseScope));
assertEquals(0.7, termination.calculateSolverTimeGradient(phaseScope), 0.0);
when(phaseScope.calculateTimeMillisSpent()).thenReturn(1000L);
assertEquals(true, termination.isSolverTerminated(phaseScope));
assertEquals(1.0, termination.calculateSolverTimeGradient(phaseScope), 0.0);
when(phaseScope.calculateTimeMillisSpent()).thenReturn(1200L);
assertEquals(true, termination.isSolverTerminated(phaseScope));
assertEquals(1.0, termination.calculateSolverTimeGradient(phaseScope), 0.0);
}
@Test
public void phaseTermination() {
Termination termination = new TimeMillisSpentTermination(1000L);
AbstractPhaseScope phaseScope = mock(AbstractPhaseScope.class);
when(phaseScope.calculatePhaseTimeMillisSpent()).thenReturn(0L);
assertEquals(false, termination.isPhaseTerminated(phaseScope));
assertEquals(0.0, termination.calculatePhaseTimeGradient(phaseScope), 0.0);
when(phaseScope.calculatePhaseTimeMillisSpent()).thenReturn(100L);
assertEquals(false, termination.isPhaseTerminated(phaseScope));
assertEquals(0.1, termination.calculatePhaseTimeGradient(phaseScope), 0.0);
when(phaseScope.calculatePhaseTimeMillisSpent()).thenReturn(500L);
assertEquals(false, termination.isPhaseTerminated(phaseScope));
assertEquals(0.5, termination.calculatePhaseTimeGradient(phaseScope), 0.0);
when(phaseScope.calculatePhaseTimeMillisSpent()).thenReturn(700L);
assertEquals(false, termination.isPhaseTerminated(phaseScope));
assertEquals(0.7, termination.calculatePhaseTimeGradient(phaseScope), 0.0);
when(phaseScope.calculatePhaseTimeMillisSpent()).thenReturn(1000L);
assertEquals(true, termination.isPhaseTerminated(phaseScope));
assertEquals(1.0, termination.calculatePhaseTimeGradient(phaseScope), 0.0);
when(phaseScope.calculatePhaseTimeMillisSpent()).thenReturn(1200L);
assertEquals(true, termination.isPhaseTerminated(phaseScope));
assertEquals(1.0, termination.calculatePhaseTimeGradient(phaseScope), 0.0);
}
}