/*
* 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.value.chained;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import org.drools.planner.core.domain.variable.PlanningVariableDescriptor;
import org.drools.planner.core.heuristic.selector.SelectorTestUtils;
import org.drools.planner.core.heuristic.selector.value.ValueSelector;
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.drools.planner.core.testdata.domain.TestdataChainedAnchor;
import org.drools.planner.core.testdata.domain.TestdataChainedEntity;
import org.junit.Test;
import static org.drools.planner.core.testdata.util.PlannerAssert.*;
import static org.mockito.Mockito.*;
public class DefaultSubChainSelectorTest {
@Test
public void original() {
PlanningVariableDescriptor variableDescriptor = SelectorTestUtils.mockVariableDescriptor(
TestdataChainedEntity.class, "chainedObject");
when(variableDescriptor.isChained()).thenReturn(true);
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);
TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
TestdataChainedEntity b1 = new TestdataChainedEntity("b1", b0);
TestdataChainedEntity b2 = new TestdataChainedEntity("b2", b1);
SelectorTestUtils.mockMethodGetTrailingEntity(scoreDirector, variableDescriptor,
new TestdataChainedEntity[]{a1, a2, a3, a4, b1, b2});
ValueSelector valueSelector = SelectorTestUtils.mockValueSelector(variableDescriptor,
a0, a1, a2, a3, a4, b0, b1, b2);
DefaultSubChainSelector subChainSelector = new DefaultSubChainSelector(valueSelector, false, 1);
DefaultSolverScope solverScope = mock(DefaultSolverScope.class);
when(solverScope.getScoreDirector()).thenReturn(scoreDirector);
subChainSelector.solvingStarted(solverScope);
AbstractSolverPhaseScope phaseScopeA = mock(AbstractSolverPhaseScope.class);
when(phaseScopeA.getSolverScope()).thenReturn(solverScope);
subChainSelector.phaseStarted(phaseScopeA);
AbstractStepScope stepScopeA1 = mock(AbstractStepScope.class);
when(stepScopeA1.getPhaseScope()).thenReturn(phaseScopeA);
subChainSelector.stepStarted(stepScopeA1);
runAssertsOriginal1(subChainSelector);
subChainSelector.stepEnded(stepScopeA1);
a4.setChainedObject(a2);
a3.setChainedObject(b1);
b2.setChainedObject(a3);
AbstractStepScope stepScopeA2 = mock(AbstractStepScope.class);
when(stepScopeA2.getPhaseScope()).thenReturn(phaseScopeA);
subChainSelector.stepStarted(stepScopeA2);
runAssertsOriginal2(subChainSelector);
subChainSelector.stepEnded(stepScopeA2);
subChainSelector.phaseEnded(phaseScopeA);
AbstractSolverPhaseScope phaseScopeB = mock(AbstractSolverPhaseScope.class);
when(phaseScopeB.getSolverScope()).thenReturn(solverScope);
subChainSelector.phaseStarted(phaseScopeB);
AbstractStepScope stepScopeB1 = mock(AbstractStepScope.class);
when(stepScopeB1.getPhaseScope()).thenReturn(phaseScopeB);
subChainSelector.stepStarted(stepScopeB1);
runAssertsOriginal2(subChainSelector);
subChainSelector.stepEnded(stepScopeB1);
subChainSelector.phaseEnded(phaseScopeB);
subChainSelector.solvingEnded(solverScope);
verifySolverPhaseLifecycle(valueSelector, 1, 2, 3);
}
private void runAssertsOriginal1(DefaultSubChainSelector subChainSelector) {
Iterator<SubChain> iterator = subChainSelector.iterator();
assertNotNull(iterator);
assertNextSubChain(iterator, "a1");
assertNextSubChain(iterator, "a1", "a2");
assertNextSubChain(iterator, "a1", "a2", "a3");
assertNextSubChain(iterator, "a1", "a2", "a3", "a4");
assertNextSubChain(iterator, "a2");
assertNextSubChain(iterator, "a2", "a3");
assertNextSubChain(iterator, "a2", "a3", "a4");
assertNextSubChain(iterator, "a3");
assertNextSubChain(iterator, "a3", "a4");
assertNextSubChain(iterator, "a4");
assertNextSubChain(iterator, "b1");
assertNextSubChain(iterator, "b1", "b2");
assertNextSubChain(iterator, "b2");
assertFalse(iterator.hasNext());
assertEquals(false, subChainSelector.isContinuous());
assertEquals(false, subChainSelector.isNeverEnding());
assertEquals(13L, subChainSelector.getSize());
}
private void runAssertsOriginal2(DefaultSubChainSelector subChainSelector) {
Iterator<SubChain> iterator = subChainSelector.iterator();
assertNotNull(iterator);
assertNextSubChain(iterator, "a1");
assertNextSubChain(iterator, "a1", "a2");
assertNextSubChain(iterator, "a1", "a2", "a4");
assertNextSubChain(iterator, "a2");
assertNextSubChain(iterator, "a2", "a4");
assertNextSubChain(iterator, "a4");
assertNextSubChain(iterator, "b1");
assertNextSubChain(iterator, "b1", "a3");
assertNextSubChain(iterator, "b1", "a3", "b2");
assertNextSubChain(iterator, "a3");
assertNextSubChain(iterator, "a3", "b2");
assertNextSubChain(iterator, "b2");
assertFalse(iterator.hasNext());
assertEquals(false, subChainSelector.isContinuous());
assertEquals(false, subChainSelector.isNeverEnding());
assertEquals(12L, subChainSelector.getSize());
}
@Test
public void emptyEntitySelectorOriginal() {
PlanningVariableDescriptor variableDescriptor = SelectorTestUtils.mockVariableDescriptor(
TestdataChainedEntity.class, "chainedObject");
when(variableDescriptor.isChained()).thenReturn(true);
ScoreDirector scoreDirector = mock(ScoreDirector.class);
TestdataChainedAnchor a0 = new TestdataChainedAnchor("a0");
TestdataChainedAnchor b0 = new TestdataChainedAnchor("b0");
SelectorTestUtils.mockMethodGetTrailingEntity(scoreDirector, variableDescriptor,
new TestdataChainedEntity[]{});
ValueSelector valueSelector = SelectorTestUtils.mockValueSelector(variableDescriptor,
a0, b0);
DefaultSubChainSelector subChainSelector = new DefaultSubChainSelector(valueSelector, false, 1);
DefaultSolverScope solverScope = mock(DefaultSolverScope.class);
when(solverScope.getScoreDirector()).thenReturn(scoreDirector);
subChainSelector.solvingStarted(solverScope);
AbstractSolverPhaseScope phaseScopeA = mock(AbstractSolverPhaseScope.class);
when(phaseScopeA.getSolverScope()).thenReturn(solverScope);
subChainSelector.phaseStarted(phaseScopeA);
AbstractStepScope stepScopeA1 = mock(AbstractStepScope.class);
when(stepScopeA1.getPhaseScope()).thenReturn(phaseScopeA);
subChainSelector.stepStarted(stepScopeA1);
runAssertsEmptyOriginal(subChainSelector);
subChainSelector.stepEnded(stepScopeA1);
AbstractStepScope stepScopeA2 = mock(AbstractStepScope.class);
when(stepScopeA2.getPhaseScope()).thenReturn(phaseScopeA);
subChainSelector.stepStarted(stepScopeA2);
runAssertsEmptyOriginal(subChainSelector);
subChainSelector.stepEnded(stepScopeA2);
subChainSelector.phaseEnded(phaseScopeA);
AbstractSolverPhaseScope phaseScopeB = mock(AbstractSolverPhaseScope.class);
when(phaseScopeB.getSolverScope()).thenReturn(solverScope);
subChainSelector.phaseStarted(phaseScopeB);
AbstractStepScope stepScopeB1 = mock(AbstractStepScope.class);
when(stepScopeB1.getPhaseScope()).thenReturn(phaseScopeB);
subChainSelector.stepStarted(stepScopeB1);
runAssertsEmptyOriginal(subChainSelector);
subChainSelector.stepEnded(stepScopeB1);
subChainSelector.phaseEnded(phaseScopeB);
subChainSelector.solvingEnded(solverScope);
verifySolverPhaseLifecycle(valueSelector, 1, 2, 3);
}
private void runAssertsEmptyOriginal(DefaultSubChainSelector subChainSelector) {
Iterator<SubChain> iterator = subChainSelector.iterator();
assertNotNull(iterator);
assertFalse(iterator.hasNext());
assertEquals(false, subChainSelector.isContinuous());
assertEquals(false, subChainSelector.isNeverEnding());
assertEquals(0L, subChainSelector.getSize());
}
private void assertNextSubChain(Iterator<SubChain> iterator, String... entityCodes) {
assertTrue(iterator.hasNext());
SubChain subChain = iterator.next();
List<Object> entityList = subChain.getEntityList();
String message = "Expected entityCodes (" + Arrays.toString(entityCodes)
+ ") but received entityList (" + entityList + ").";
assertEquals(message, entityCodes.length, entityList.size());
for (int i = 0; i < entityCodes.length; i++) {
assertCode(message, entityCodes[i], entityList.get(i));
}
}
}