/*
* Copyright 2012 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.drools.planner.core.heuristic.selector.move.decorator;
import java.util.Arrays;
import java.util.List;
import org.drools.planner.core.heuristic.selector.SelectorTestUtils;
import org.drools.planner.core.heuristic.selector.common.SelectionCacheType;
import org.drools.planner.core.heuristic.selector.common.decorator.SelectionFilter;
import org.drools.planner.core.heuristic.selector.move.MoveSelector;
import org.drools.planner.core.move.DummyMove;
import org.drools.planner.core.phase.AbstractSolverPhaseScope;
import org.drools.planner.core.phase.step.AbstractStepScope;
import org.drools.planner.core.score.director.ScoreDirector;
import org.drools.planner.core.solver.scope.DefaultSolverScope;
import org.junit.Test;
import static org.drools.planner.core.testdata.util.PlannerAssert.*;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.*;
public class FilteringMoveSelectorTest {
@Test
public void cacheTypeSolver() {
runCacheType(SelectionCacheType.SOLVER, 1);
}
@Test
public void cacheTypePhase() {
runCacheType(SelectionCacheType.PHASE, 2);
}
@Test
public void cacheTypeStep() {
runCacheType(SelectionCacheType.STEP, 5);
}
@Test
public void cacheTypeJustInTime() {
runCacheType(SelectionCacheType.JUST_IN_TIME, 5);
}
public void runCacheType(SelectionCacheType cacheType, int timesCalled) {
MoveSelector childMoveSelector = SelectorTestUtils.mockMoveSelector(DummyMove.class,
new DummyMove("e1"), new DummyMove("e2"), new DummyMove("e3"), new DummyMove("e4"));
SelectionFilter<DummyMove> moveFilter = new SelectionFilter<DummyMove>() {
public boolean accept(ScoreDirector scoreDirector, DummyMove move) {
return !move.getCode().equals("e3");
}
};
List<SelectionFilter> moveFilterList = Arrays.<SelectionFilter>asList(moveFilter);
MoveSelector moveSelector = new FilteringMoveSelector(childMoveSelector, moveFilterList);
if (cacheType.isCached()) {
moveSelector = new CachingMoveSelector(moveSelector, cacheType, false);
}
DefaultSolverScope solverScope = mock(DefaultSolverScope.class);
moveSelector.solvingStarted(solverScope);
AbstractSolverPhaseScope phaseScopeA = mock(AbstractSolverPhaseScope.class);
when(phaseScopeA.getSolverScope()).thenReturn(solverScope);
moveSelector.phaseStarted(phaseScopeA);
AbstractStepScope stepScopeA1 = mock(AbstractStepScope.class);
when(stepScopeA1.getPhaseScope()).thenReturn(phaseScopeA);
moveSelector.stepStarted(stepScopeA1);
assertAllCodesOfEndingMoveSelector(moveSelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
moveSelector.stepEnded(stepScopeA1);
AbstractStepScope stepScopeA2 = mock(AbstractStepScope.class);
when(stepScopeA2.getPhaseScope()).thenReturn(phaseScopeA);
moveSelector.stepStarted(stepScopeA2);
assertAllCodesOfEndingMoveSelector(moveSelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
moveSelector.stepEnded(stepScopeA2);
moveSelector.phaseEnded(phaseScopeA);
AbstractSolverPhaseScope phaseScopeB = mock(AbstractSolverPhaseScope.class);
when(phaseScopeB.getSolverScope()).thenReturn(solverScope);
moveSelector.phaseStarted(phaseScopeB);
AbstractStepScope stepScopeB1 = mock(AbstractStepScope.class);
when(stepScopeB1.getPhaseScope()).thenReturn(phaseScopeB);
moveSelector.stepStarted(stepScopeB1);
assertAllCodesOfEndingMoveSelector(moveSelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
moveSelector.stepEnded(stepScopeB1);
AbstractStepScope stepScopeB2 = mock(AbstractStepScope.class);
when(stepScopeB2.getPhaseScope()).thenReturn(phaseScopeB);
moveSelector.stepStarted(stepScopeB2);
assertAllCodesOfEndingMoveSelector(moveSelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
moveSelector.stepEnded(stepScopeB2);
AbstractStepScope stepScopeB3 = mock(AbstractStepScope.class);
when(stepScopeB3.getPhaseScope()).thenReturn(phaseScopeB);
moveSelector.stepStarted(stepScopeB3);
assertAllCodesOfEndingMoveSelector(moveSelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
moveSelector.stepEnded(stepScopeB3);
moveSelector.phaseEnded(phaseScopeB);
moveSelector.solvingEnded(solverScope);
verifySolverPhaseLifecycle(childMoveSelector, 1, 2, 5);
verify(childMoveSelector, times(timesCalled)).iterator();
verify(childMoveSelector, times(timesCalled)).getSize();
}
}