/*
* 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.move.generic.chained;
import java.util.Arrays;
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.heuristic.selector.value.chained.SubChain;
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.junit.Assert.*;
import static org.mockito.Mockito.*;
public class SubChainSwapMoveTest {
@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);
TestdataChainedEntity a4 = new TestdataChainedEntity("a4", a3);
TestdataChainedEntity a5 = new TestdataChainedEntity("a5", a4);
TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
TestdataChainedEntity b1 = new TestdataChainedEntity("b1", b0);
TestdataChainedEntity b2 = new TestdataChainedEntity("b2", b1);
TestdataChainedEntity b3 = new TestdataChainedEntity("b3", b2);
SingletonInverseVariableSupply inverseVariableSupply = SelectorTestUtils.mockSingletonInverseVariableSupply(
new TestdataChainedEntity[]{a1, a2, a3, a4, a5, b1, b2, b3});
SubChainSwapMove<TestdataChainedSolution> move = new SubChainSwapMove<>(variableDescriptor, inverseVariableSupply,
new SubChain(Arrays.asList(a3, a4, a5)),
new SubChain(Arrays.asList(b2, b3)));
SubChainSwapMove<TestdataChainedSolution> undoMove = move.createUndoMove(scoreDirector);
move.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, b2, b3);
SelectorTestUtils.assertChain(b0, b1, a3, a4, a5);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a3, b1);
verify(scoreDirector).changeVariableFacade(variableDescriptor, b2, a2);
undoMove.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, a3, a4, a5);
SelectorTestUtils.assertChain(b0, b1, b2, b3);
}
@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);
TestdataChainedEntity a4 = new TestdataChainedEntity("a4", a3);
TestdataChainedEntity a5 = new TestdataChainedEntity("a5", a4);
TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
TestdataChainedEntity b1 = new TestdataChainedEntity("b1", b0);
TestdataChainedEntity b2 = new TestdataChainedEntity("b2", b1);
TestdataChainedEntity b3 = new TestdataChainedEntity("b3", b2);
SingletonInverseVariableSupply inverseVariableSupply = SelectorTestUtils.mockSingletonInverseVariableSupply(
new TestdataChainedEntity[]{a1, a2, a3, a4, a5, b1, b2, b3});
SubChainSwapMove<TestdataChainedSolution> move = new SubChainSwapMove<>(variableDescriptor, inverseVariableSupply,
new SubChain(Arrays.asList(a2, a3, a4)),
new SubChain(Arrays.asList(b1, b2)));
SubChainSwapMove<TestdataChainedSolution> undoMove = move.createUndoMove(scoreDirector);
move.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, b1, b2, a5);
SelectorTestUtils.assertChain(b0, a2, a3, a4, b3);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a2, b0);
verify(scoreDirector).changeVariableFacade(variableDescriptor, b3, a4);
verify(scoreDirector).changeVariableFacade(variableDescriptor, b1, a1);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a5, b2);
undoMove.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, a3, a4, a5);
SelectorTestUtils.assertChain(b0, b1, b2, b3);
}
@Test
public void sameChainWithNoneBetween() {
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);
TestdataChainedEntity a5 = new TestdataChainedEntity("a5", a4);
TestdataChainedEntity a6 = new TestdataChainedEntity("a6", a5);
TestdataChainedEntity a7 = new TestdataChainedEntity("a7", a6);
SingletonInverseVariableSupply inverseVariableSupply = SelectorTestUtils.mockSingletonInverseVariableSupply(
new TestdataChainedEntity[]{a1, a2, a3, a4, a5, a6, a7});
SubChainSwapMove<TestdataChainedSolution> move = new SubChainSwapMove<>(variableDescriptor, inverseVariableSupply,
new SubChain(Arrays.asList(a2, a3, a4)),
new SubChain(Arrays.asList(a5, a6)));
SubChainSwapMove<TestdataChainedSolution> undoMove = move.createUndoMove(scoreDirector);
move.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a5, a6, a2, a3, a4, a7);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a5, a1);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a2, a6);
verify(scoreDirector).changeVariableFacade(variableDescriptor, a7, a4);
undoMove.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, a3, a4, a5, a6, a7);
}
@Test
public void toStringTest() {
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);
TestdataChainedEntity a5 = new TestdataChainedEntity("a5", a4);
TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
TestdataChainedEntity b1 = new TestdataChainedEntity("b1", b0);
TestdataChainedEntity b2 = new TestdataChainedEntity("b2", b1);
TestdataChainedEntity b3 = new TestdataChainedEntity("b3", b2);
GenuineVariableDescriptor<TestdataChainedSolution> variableDescriptor = TestdataChainedEntity.buildVariableDescriptorForChainedObject();
SingletonInverseVariableSupply inverseVariableSupply = SelectorTestUtils.mockSingletonInverseVariableSupply(
new TestdataChainedEntity[]{a1, a2, a3, a4, a5, b1, b2, b3});
assertEquals("[a2..a4] {a1} <-> [b1..b3] {b0}", new SubChainSwapMove<>(variableDescriptor, inverseVariableSupply,
new SubChain(Arrays.<Object>asList(a2, a3, a4)), new SubChain(Arrays.<Object>asList(b1, b2, b3))).toString());
assertEquals("[a1..a2] {a0} <-> [a4..a5] {a3}", new SubChainSwapMove<>(variableDescriptor, inverseVariableSupply,
new SubChain(Arrays.<Object>asList(a1, a2)), new SubChain(Arrays.<Object>asList(a4, a5))).toString());
assertEquals("[a3..a3] {a2} <-> [b2..b2] {b1}", new SubChainSwapMove<>(variableDescriptor, inverseVariableSupply,
new SubChain(Arrays.<Object>asList(a3)), new SubChain(Arrays.<Object>asList(b2))).toString());
}
}