/*
* Copyright 2012 Red Hat, Inc. and/or its affiliates.
*
* 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.heuristic.selector.entity.decorator;
import java.util.Arrays;
import java.util.List;
import org.junit.Test;
import org.optaplanner.core.config.heuristic.selector.common.SelectionCacheType;
import org.optaplanner.core.impl.heuristic.selector.SelectorTestUtils;
import org.optaplanner.core.impl.heuristic.selector.common.decorator.SelectionFilter;
import org.optaplanner.core.impl.heuristic.selector.entity.EntitySelector;
import org.optaplanner.core.impl.phase.scope.AbstractPhaseScope;
import org.optaplanner.core.impl.phase.scope.AbstractStepScope;
import org.optaplanner.core.impl.solver.scope.DefaultSolverScope;
import org.optaplanner.core.impl.testdata.domain.TestdataEntity;
import org.optaplanner.core.impl.testdata.domain.TestdataSolution;
import static org.mockito.Mockito.*;
import static org.optaplanner.core.impl.testdata.util.PlannerAssert.*;
public class FilteringEntitySelectorTest {
@Test
public void filterCacheTypeSolver() {
filter(SelectionCacheType.SOLVER, 1);
}
@Test
public void filterCacheTypePhase() {
filter(SelectionCacheType.PHASE, 2);
}
@Test
public void filterCacheTypeStep() {
filter(SelectionCacheType.STEP, 5);
}
@Test
public void filterCacheTypeJustInTime() {
filter(SelectionCacheType.JUST_IN_TIME, 5);
}
public void filter(SelectionCacheType cacheType, int timesCalled) {
EntitySelector childEntitySelector = SelectorTestUtils.mockEntitySelector(TestdataEntity.class,
new TestdataEntity("e1"), new TestdataEntity("e2"), new TestdataEntity("e3"), new TestdataEntity("e4"));
SelectionFilter<TestdataSolution, TestdataEntity> filter
= (scoreDirector, entity) -> !entity.getCode().equals("e3");
List<SelectionFilter> filterList = Arrays.asList(filter);
EntitySelector entitySelector = new FilteringEntitySelector(childEntitySelector, filterList);
if (cacheType.isCached()) {
entitySelector = new CachingEntitySelector(entitySelector, cacheType, false);
}
DefaultSolverScope solverScope = mock(DefaultSolverScope.class);
entitySelector.solvingStarted(solverScope);
AbstractPhaseScope phaseScopeA = mock(AbstractPhaseScope.class);
when(phaseScopeA.getSolverScope()).thenReturn(solverScope);
entitySelector.phaseStarted(phaseScopeA);
AbstractStepScope stepScopeA1 = mock(AbstractStepScope.class);
when(stepScopeA1.getPhaseScope()).thenReturn(phaseScopeA);
entitySelector.stepStarted(stepScopeA1);
assertAllCodesOfEntitySelector(entitySelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
entitySelector.stepEnded(stepScopeA1);
AbstractStepScope stepScopeA2 = mock(AbstractStepScope.class);
when(stepScopeA2.getPhaseScope()).thenReturn(phaseScopeA);
entitySelector.stepStarted(stepScopeA2);
assertAllCodesOfEntitySelector(entitySelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
entitySelector.stepEnded(stepScopeA2);
entitySelector.phaseEnded(phaseScopeA);
AbstractPhaseScope phaseScopeB = mock(AbstractPhaseScope.class);
when(phaseScopeB.getSolverScope()).thenReturn(solverScope);
entitySelector.phaseStarted(phaseScopeB);
AbstractStepScope stepScopeB1 = mock(AbstractStepScope.class);
when(stepScopeB1.getPhaseScope()).thenReturn(phaseScopeB);
entitySelector.stepStarted(stepScopeB1);
assertAllCodesOfEntitySelector(entitySelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
entitySelector.stepEnded(stepScopeB1);
AbstractStepScope stepScopeB2 = mock(AbstractStepScope.class);
when(stepScopeB2.getPhaseScope()).thenReturn(phaseScopeB);
entitySelector.stepStarted(stepScopeB2);
assertAllCodesOfEntitySelector(entitySelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
entitySelector.stepEnded(stepScopeB2);
AbstractStepScope stepScopeB3 = mock(AbstractStepScope.class);
when(stepScopeB3.getPhaseScope()).thenReturn(phaseScopeB);
entitySelector.stepStarted(stepScopeB3);
assertAllCodesOfEntitySelector(entitySelector, (cacheType.isNotCached() ? 4L : 3L), "e1", "e2", "e4");
entitySelector.stepEnded(stepScopeB3);
entitySelector.phaseEnded(phaseScopeB);
entitySelector.solvingEnded(solverScope);
verifyPhaseLifecycle(childEntitySelector, 1, 2, 5);
verify(childEntitySelector, times(timesCalled)).iterator();
verify(childEntitySelector, times(timesCalled)).getSize();
}
@Test(expected = UnsupportedOperationException.class)
public void listIteratorWithRandomSelection() {
EntitySelector childEntitySelector = SelectorTestUtils.mockEntitySelector(TestdataEntity.class);
EntitySelector entitySelector = new FilteringEntitySelector(childEntitySelector, null);
entitySelector.listIterator();
}
@Test(expected = UnsupportedOperationException.class)
public void indexedListIteratorWithRandomSelection() {
EntitySelector childEntitySelector = SelectorTestUtils.mockEntitySelector(TestdataEntity.class);
EntitySelector entitySelector = new FilteringEntitySelector(childEntitySelector, null);
entitySelector.listIterator(0);
}
}