| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.lucene.search; |
| |
| import java.io.IOException; |
| import org.apache.lucene.index.LeafReaderContext; |
| import org.apache.lucene.index.Term; |
| |
| |
| import junit.framework.AssertionFailedError; |
| |
| /** |
| * Tests that the {@link BaseExplanationTestCase} helper code, as well as |
| * {@link CheckHits#checkNoMatchExplanations} are checking what they are suppose to. |
| */ |
| public class TestBaseExplanationTestCase extends BaseExplanationTestCase { |
| |
| public void testQueryNoMatchWhenExpected() throws Exception { |
| expectThrows(AssertionFailedError.class, () -> { |
| qtest(new TermQuery(new Term(FIELD, "BOGUS")), new int[] { 3 /* none */ }); |
| }); |
| } |
| public void testQueryMatchWhenNotExpected() throws Exception { |
| expectThrows(AssertionFailedError.class, () -> { |
| qtest(new TermQuery(new Term(FIELD, "w1")), new int[] { 0, 1 /*, 2, 3 */ }); |
| }); |
| } |
| |
| public void testIncorrectExplainScores() throws Exception { |
| // sanity check what a real TermQuery matches |
| qtest(new TermQuery(new Term(FIELD, "zz")), new int[] { 1, 3 }); |
| |
| // ensure when the Explanations are broken, we get an error about those matches |
| expectThrows(AssertionFailedError.class, () -> { |
| qtest(new BrokenExplainTermQuery(new Term(FIELD, "zz"), false, true), new int[] { 1, 3 }); |
| |
| }); |
| } |
| |
| public void testIncorrectExplainMatches() throws Exception { |
| // sanity check what a real TermQuery matches |
| qtest(new TermQuery(new Term(FIELD, "zz")), new int[] { 1, 3 }); |
| |
| // ensure when the Explanations are broken, we get an error about the non matches |
| expectThrows(AssertionFailedError.class, () -> { |
| CheckHits.checkNoMatchExplanations(new BrokenExplainTermQuery(new Term(FIELD, "zz"), true, false), |
| FIELD, searcher, new int[] { 1, 3 }); |
| }); |
| } |
| |
| |
| public static final class BrokenExplainTermQuery extends TermQuery { |
| public final boolean toggleExplainMatch; |
| public final boolean breakExplainScores; |
| public BrokenExplainTermQuery(Term t, boolean toggleExplainMatch, boolean breakExplainScores) { |
| super(t); |
| this.toggleExplainMatch = toggleExplainMatch; |
| this.breakExplainScores = breakExplainScores; |
| } |
| @Override |
| public Weight createWeight(IndexSearcher searcher, ScoreMode scoreMode, float boost) throws IOException { |
| return new BrokenExplainWeight(this, super.createWeight(searcher,scoreMode, boost)); |
| } |
| } |
| |
| public static final class BrokenExplainWeight extends FilterWeight { |
| public BrokenExplainWeight(BrokenExplainTermQuery q, Weight in) { |
| super(q, in); |
| } |
| public BulkScorer bulkScorer(LeafReaderContext context) throws IOException { |
| return in.bulkScorer(context); |
| } |
| public Explanation explain(LeafReaderContext context, int doc) throws IOException { |
| BrokenExplainTermQuery q = (BrokenExplainTermQuery) this.getQuery(); |
| Explanation result = in.explain(context, doc); |
| if (result.isMatch()) { |
| if (q.breakExplainScores) { |
| result = Explanation.match(-1F * result.getValue().doubleValue(), "Broken Explanation Score", result); |
| } |
| if (q.toggleExplainMatch) { |
| result = Explanation.noMatch("Broken Explanation Matching", result); |
| } |
| } else { |
| if (q.toggleExplainMatch) { |
| result = Explanation.match(-42.0F, "Broken Explanation Matching", result); |
| } |
| } |
| return result; |
| } |
| } |
| } |