/*
* Copyright 2015 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.move.generic.chained;
import org.junit.Test;
import org.optaplanner.core.impl.domain.variable.descriptor.GenuineVariableDescriptor;
import org.optaplanner.core.impl.domain.variable.inverserelation.SingletonInverseVariableSupply;
import org.optaplanner.core.impl.heuristic.selector.SelectorTestUtils;
import org.optaplanner.core.impl.score.director.InnerScoreDirector;
import org.optaplanner.core.impl.testdata.domain.chained.TestdataChainedAnchor;
import org.optaplanner.core.impl.testdata.domain.chained.TestdataChainedEntity;
import org.optaplanner.core.impl.testdata.domain.chained.TestdataChainedSolution;
import org.optaplanner.core.impl.testdata.util.PlannerTestUtils;
import static org.mockito.Mockito.*;
public class ChainedChangeMoveTest {
@Test
public void noTrailing() {
GenuineVariableDescriptor<TestdataChainedSolution> variableDescriptor = TestdataChainedEntity.buildVariableDescriptorForChainedObject();
InnerScoreDirector<TestdataChainedSolution> scoreDirector = PlannerTestUtils.mockScoreDirector(
variableDescriptor.getEntityDescriptor().getSolutionDescriptor());
TestdataChainedAnchor a0 = new TestdataChainedAnchor("a0");
TestdataChainedEntity a1 = new TestdataChainedEntity("a1", a0);
TestdataChainedEntity a2 = new TestdataChainedEntity("a2", a1);
TestdataChainedEntity a3 = new TestdataChainedEntity("a3", a2);
TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
TestdataChainedEntity b1 = new TestdataChainedEntity("b1", b0);
SingletonInverseVariableSupply inverseVariableSupply = SelectorTestUtils.mockSingletonInverseVariableSupply(
new TestdataChainedEntity[]{a1, a2, a3, b1});
ChainedChangeMove<TestdataChainedSolution> move = new ChainedChangeMove<>(a3, variableDescriptor, inverseVariableSupply, b1);
ChainedChangeMove<TestdataChainedSolution> undoMove = move.createUndoMove(scoreDirector);
move.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2);
SelectorTestUtils.assertChain(b0, b1, a3);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a3, b1);
undoMove.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, a3);
SelectorTestUtils.assertChain(b0, b1);
}
@Test
public void oldAndNewTrailing() {
GenuineVariableDescriptor<TestdataChainedSolution> variableDescriptor = TestdataChainedEntity.buildVariableDescriptorForChainedObject();
InnerScoreDirector<TestdataChainedSolution> scoreDirector = PlannerTestUtils.mockScoreDirector(
variableDescriptor.getEntityDescriptor().getSolutionDescriptor());
TestdataChainedAnchor a0 = new TestdataChainedAnchor("a0");
TestdataChainedEntity a1 = new TestdataChainedEntity("a1", a0);
TestdataChainedEntity a2 = new TestdataChainedEntity("a2", a1);
TestdataChainedEntity a3 = new TestdataChainedEntity("a3", a2);
TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
TestdataChainedEntity b1 = new TestdataChainedEntity("b1", b0);
SingletonInverseVariableSupply inverseVariableSupply = SelectorTestUtils.mockSingletonInverseVariableSupply(
new TestdataChainedEntity[]{a1, a2, a3, b1});
ChainedChangeMove<TestdataChainedSolution> move = new ChainedChangeMove<>(a2, variableDescriptor, inverseVariableSupply, b0);
ChainedChangeMove<TestdataChainedSolution> undoMove = move.createUndoMove(scoreDirector);
move.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a3);
SelectorTestUtils.assertChain(b0, a2, b1);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a2, b0);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a3, a1);
verify(scoreDirector).changeVariableFacade(variableDescriptor, b1, a2);
undoMove.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, a3);
SelectorTestUtils.assertChain(b0, b1);
}
@Test
public void sameChainWithOneBetween() {
GenuineVariableDescriptor<TestdataChainedSolution> variableDescriptor = TestdataChainedEntity.buildVariableDescriptorForChainedObject();
InnerScoreDirector<TestdataChainedSolution> scoreDirector = PlannerTestUtils.mockScoreDirector(
variableDescriptor.getEntityDescriptor().getSolutionDescriptor());
TestdataChainedAnchor a0 = new TestdataChainedAnchor("a0");
TestdataChainedEntity a1 = new TestdataChainedEntity("a1", a0);
TestdataChainedEntity a2 = new TestdataChainedEntity("a2", a1);
TestdataChainedEntity a3 = new TestdataChainedEntity("a3", a2);
TestdataChainedEntity a4 = new TestdataChainedEntity("a4", a3);
SingletonInverseVariableSupply inverseVariableSupply = SelectorTestUtils.mockSingletonInverseVariableSupply(
new TestdataChainedEntity[]{a1, a2, a3, a4});
ChainedChangeMove<TestdataChainedSolution> move = new ChainedChangeMove<>(a2, variableDescriptor, inverseVariableSupply, a3);
ChainedChangeMove<TestdataChainedSolution> undoMove = move.createUndoMove(scoreDirector);
move.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a3, a2, a4);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a2, a3);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a3, a1);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a4, a2);
undoMove.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, a3, a4);
}
}