/*
* 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.generic.chained;
import java.util.Arrays;
import org.drools.planner.core.domain.entity.PlanningEntityDescriptor;
import org.drools.planner.core.domain.variable.PlanningVariableDescriptor;
import org.drools.planner.core.heuristic.selector.SelectorTestUtils;
import org.drools.planner.core.heuristic.selector.value.chained.SubChain;
import org.drools.planner.core.move.Move;
import org.drools.planner.core.score.director.ScoreDirector;
import org.drools.planner.core.testdata.domain.TestdataChainedAnchor;
import org.drools.planner.core.testdata.domain.TestdataChainedEntity;
import org.junit.Test;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
import static org.junit.Assert.*;
import static org.mockito.Mockito.*;
public class SubChainSwapMoveTest {
@Test
public void noTrailing() {
PlanningEntityDescriptor entityDescriptor = TestdataChainedEntity.buildEntityDescriptor();
PlanningVariableDescriptor variableDescriptor = entityDescriptor.getPlanningVariableDescriptor("chainedObject");
ScoreDirector scoreDirector = mock(ScoreDirector.class);
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);
SelectorTestUtils.mockMethodGetTrailingEntity(scoreDirector, variableDescriptor,
new TestdataChainedEntity[]{a1, a2, a3, a4, a5, b1, b2, b3});
SubChainSwapMove move = new SubChainSwapMove(variableDescriptor, new SubChain(Arrays.<Object>asList(a3, a4, a5)),
new SubChain(Arrays.<Object>asList(b2, b3)));
Move undoMove = move.createUndoMove(scoreDirector);
move.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, b2, b3);
SelectorTestUtils.assertChain(b0, b1, a3, a4, a5);
verify(scoreDirector).beforeVariableChanged(a3, "chainedObject");
verify(scoreDirector).afterVariableChanged(a3, "chainedObject");
verify(scoreDirector).beforeVariableChanged(a4, "chainedObject");
verify(scoreDirector).afterVariableChanged(a4, "chainedObject");
verify(scoreDirector).beforeVariableChanged(a5, "chainedObject");
verify(scoreDirector).afterVariableChanged(a5, "chainedObject");
verify(scoreDirector, atLeastOnce()).beforeVariableChanged(b2, "chainedObject");
verify(scoreDirector, atLeastOnce()).afterVariableChanged(b2, "chainedObject");
verify(scoreDirector).beforeVariableChanged(b3, "chainedObject");
verify(scoreDirector).afterVariableChanged(b3, "chainedObject");
undoMove.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, a3, a4, a5);
SelectorTestUtils.assertChain(b0, b1, b2, b3);
}
@Test
public void oldAndNewTrailing() {
PlanningEntityDescriptor entityDescriptor = TestdataChainedEntity.buildEntityDescriptor();
PlanningVariableDescriptor variableDescriptor = entityDescriptor.getPlanningVariableDescriptor("chainedObject");
ScoreDirector scoreDirector = mock(ScoreDirector.class);
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);
SelectorTestUtils.mockMethodGetTrailingEntity(scoreDirector, variableDescriptor,
new TestdataChainedEntity[]{a1, a2, a3, a4, a5, b1, b2, b3});
SubChainSwapMove move = new SubChainSwapMove(variableDescriptor, new SubChain(Arrays.<Object>asList(a2, a3, a4)),
new SubChain(Arrays.<Object>asList(b1, b2)));
Move undoMove = move.createUndoMove(scoreDirector);
move.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, b1, b2, a5);
SelectorTestUtils.assertChain(b0, a2, a3, a4, b3);
verify(scoreDirector).beforeVariableChanged(a2, "chainedObject");
verify(scoreDirector).afterVariableChanged(a2, "chainedObject");
verify(scoreDirector).beforeVariableChanged(a3, "chainedObject");
verify(scoreDirector).afterVariableChanged(a3, "chainedObject");
verify(scoreDirector).beforeVariableChanged(a4, "chainedObject");
verify(scoreDirector).afterVariableChanged(a4, "chainedObject");
verify(scoreDirector, atLeastOnce()).beforeVariableChanged(a5, "chainedObject");
verify(scoreDirector, atLeastOnce()).afterVariableChanged(a5, "chainedObject");
verify(scoreDirector, atLeastOnce()).beforeVariableChanged(b1, "chainedObject");
verify(scoreDirector, atLeastOnce()).afterVariableChanged(b1, "chainedObject");
verify(scoreDirector).beforeVariableChanged(b2, "chainedObject");
verify(scoreDirector).afterVariableChanged(b2, "chainedObject");
verify(scoreDirector).beforeVariableChanged(b3, "chainedObject");
verify(scoreDirector).afterVariableChanged(b3, "chainedObject");
undoMove.doMove(scoreDirector);
SelectorTestUtils.assertChain(a0, a1, a2, a3, a4, a5);
SelectorTestUtils.assertChain(b0, b1, b2, b3);
}
}