+++ /dev/null
-package org.apache.lucene.search;
-
-/**
- * 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.
- */
-
-import org.apache.lucene.util.LuceneTestCase;
-import java.io.IOException;
-import java.util.Collection;
-
-import org.apache.lucene.index.FieldInvertState;
-import org.apache.lucene.index.IndexReader;
-import org.apache.lucene.index.RandomIndexWriter;
-import org.apache.lucene.index.Term;
-import org.apache.lucene.store.Directory;
-import org.apache.lucene.analysis.MockAnalyzer;
-import org.apache.lucene.document.Document;
-import org.apache.lucene.document.Field;
-import org.apache.lucene.search.Explanation.IDFExplanation;
-
-/** Similarity unit test.
- *
- *
- * @version $Revision: 1091277 $
- */
-public class TestSimilarity extends LuceneTestCase {
-
- public static class SimpleSimilarity extends Similarity {
- @Override public float computeNorm(String field, FieldInvertState state) { return state.getBoost(); }
- @Override public float queryNorm(float sumOfSquaredWeights) { return 1.0f; }
- @Override public float tf(float freq) { return freq; }
- @Override public float sloppyFreq(int distance) { return 2.0f; }
- @Override public float idf(int docFreq, int numDocs) { return 1.0f; }
- @Override public float coord(int overlap, int maxOverlap) { return 1.0f; }
- @Override public IDFExplanation idfExplain(Collection<Term> terms, Searcher searcher) throws IOException {
- return new IDFExplanation() {
- @Override
- public float getIdf() {
- return 1.0f;
- }
- @Override
- public String explain() {
- return "Inexplicable";
- }
- };
- }
- }
-
- public void testSimilarity() throws Exception {
- Directory store = newDirectory();
- RandomIndexWriter writer = new RandomIndexWriter(random, store,
- newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random))
- .setSimilarity(new SimpleSimilarity()));
-
- Document d1 = new Document();
- d1.add(newField("field", "a c", Field.Store.YES, Field.Index.ANALYZED));
-
- Document d2 = new Document();
- d2.add(newField("field", "a b c", Field.Store.YES, Field.Index.ANALYZED));
-
- writer.addDocument(d1);
- writer.addDocument(d2);
- IndexReader reader = writer.getReader();
- writer.close();
-
- IndexSearcher searcher = newSearcher(reader);
- searcher.setSimilarity(new SimpleSimilarity());
-
- Term a = new Term("field", "a");
- Term b = new Term("field", "b");
- Term c = new Term("field", "c");
-
- searcher.search(new TermQuery(b), new Collector() {
- private Scorer scorer;
- @Override
- public void setScorer(Scorer scorer) throws IOException {
- this.scorer = scorer;
- }
- @Override
- public final void collect(int doc) throws IOException {
- assertEquals(1.0f, scorer.score());
- }
- @Override
- public void setNextReader(IndexReader reader, int docBase) {}
- @Override
- public boolean acceptsDocsOutOfOrder() {
- return true;
- }
- });
-
- BooleanQuery bq = new BooleanQuery();
- bq.add(new TermQuery(a), BooleanClause.Occur.SHOULD);
- bq.add(new TermQuery(b), BooleanClause.Occur.SHOULD);
- //System.out.println(bq.toString("field"));
- searcher.search(bq, new Collector() {
- private int base = 0;
- private Scorer scorer;
- @Override
- public void setScorer(Scorer scorer) throws IOException {
- this.scorer = scorer;
- }
- @Override
- public final void collect(int doc) throws IOException {
- //System.out.println("Doc=" + doc + " score=" + score);
- assertEquals((float)doc+base+1, scorer.score());
- }
- @Override
- public void setNextReader(IndexReader reader, int docBase) {
- base = docBase;
- }
- @Override
- public boolean acceptsDocsOutOfOrder() {
- return true;
- }
- });
-
- PhraseQuery pq = new PhraseQuery();
- pq.add(a);
- pq.add(c);
- //System.out.println(pq.toString("field"));
- searcher.search(pq,
- new Collector() {
- private Scorer scorer;
- @Override
- public void setScorer(Scorer scorer) throws IOException {
- this.scorer = scorer;
- }
- @Override
- public final void collect(int doc) throws IOException {
- //System.out.println("Doc=" + doc + " score=" + score);
- assertEquals(1.0f, scorer.score());
- }
- @Override
- public void setNextReader(IndexReader reader, int docBase) {}
- @Override
- public boolean acceptsDocsOutOfOrder() {
- return true;
- }
- });
-
- pq.setSlop(2);
- //System.out.println(pq.toString("field"));
- searcher.search(pq, new Collector() {
- private Scorer scorer;
- @Override
- public void setScorer(Scorer scorer) throws IOException {
- this.scorer = scorer;
- }
- @Override
- public final void collect(int doc) throws IOException {
- //System.out.println("Doc=" + doc + " score=" + score);
- assertEquals(2.0f, scorer.score());
- }
- @Override
- public void setNextReader(IndexReader reader, int docBase) {}
- @Override
- public boolean acceptsDocsOutOfOrder() {
- return true;
- }
- });
-
- searcher.close();
- reader.close();
- store.close();
- }
-}
fnp / pylucene.git / blobdiff