/* * Copyright (c) 2011 University of Tartu * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, this * list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright notice, * this list of conditions and the following disclaimer in the documentation * and/or other materials provided with the distribution. * 3. Neither the name of the copyright holder nor the names of its contributors * may be used to endorse or promote products derived from this software without * specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ package org.jpmml.evaluator.tree; import java.util.Map; import org.dmg.pmml.FieldName; import org.dmg.pmml.tree.TreeModel; import org.jpmml.evaluator.HasEntityId; import org.jpmml.evaluator.ModelEvaluatorTest; import org.junit.Test; import static org.junit.Assert.assertEquals; import static org.junit.Assert.assertNull; public class NoTrueChildStrategyTest extends ModelEvaluatorTest { @Test public void returnNullPrediction() throws Exception { HasEntityId targetValue = evaluate(TreeModel.NoTrueChildStrategy.RETURN_NULL_PREDICTION, 0d); assertNull(targetValue); targetValue = evaluate(TreeModel.NoTrueChildStrategy.RETURN_NULL_PREDICTION, 0.5d); assertNull(targetValue); targetValue = evaluate(TreeModel.NoTrueChildStrategy.RETURN_NULL_PREDICTION, 1d); assertEquals("3", targetValue.getEntityId()); } @Test public void returnLastPrediction() throws Exception { HasEntityId targetValue = evaluate(TreeModel.NoTrueChildStrategy.RETURN_LAST_PREDICTION, 0d); // The root Node evaluates to true, but it cannot be returned as a result, because it does not specify a score attribute assertNull(targetValue); targetValue = evaluate(TreeModel.NoTrueChildStrategy.RETURN_LAST_PREDICTION, 0.5d); assertEquals("2", targetValue.getEntityId()); targetValue = evaluate(TreeModel.NoTrueChildStrategy.RETURN_LAST_PREDICTION, 1d); assertEquals("3", targetValue.getEntityId()); } private HasEntityId evaluate(TreeModel.NoTrueChildStrategy noTrueChildStrategy, Double value) throws Exception { TreeModelEvaluator evaluator = (TreeModelEvaluator)createModelEvaluator(); TreeModel treeModel = evaluator.getModel() .setNoTrueChildStrategy(noTrueChildStrategy); Map<FieldName, ?> arguments = createArguments("probability", value); Map<FieldName, ?> results = evaluator.evaluate(arguments); return (HasEntityId)results.get(evaluator.getTargetName()); } }