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Lucene example source code file (TestWordnet.java)
The Lucene TestWordnet.java source codepackage org.apache.lucene.wordnet; /** * 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 java.io.File; import java.io.IOException; import org.apache.lucene.analysis.MockAnalyzer; import org.apache.lucene.index.Term; import org.apache.lucene.search.BooleanClause; import org.apache.lucene.search.BooleanQuery; import org.apache.lucene.search.IndexSearcher; import org.apache.lucene.search.Query; import org.apache.lucene.search.Searcher; import org.apache.lucene.search.TermQuery; import org.apache.lucene.store.Directory; import org.apache.lucene.util.LuceneTestCase; import org.apache.lucene.util._TestUtil; public class TestWordnet extends LuceneTestCase { private Searcher searcher; private Directory dir; String storePathName = new File(TEMP_DIR,"testLuceneWordnet").getAbsolutePath(); @Override public void setUp() throws Exception { super.setUp(); // create a temporary synonym index File testFile = getDataFile("testSynonyms.txt"); String commandLineArgs[] = { testFile.getAbsolutePath(), storePathName }; _TestUtil.rmDir(new File(storePathName)); try { Syns2Index.main(commandLineArgs); } catch (Throwable t) { throw new RuntimeException(t); } dir = newFSDirectory(new File(storePathName)); searcher = new IndexSearcher(dir, true); } public void testExpansion() throws IOException { assertExpandsTo("woods", new String[] { "woods", "forest", "wood" }); } public void testExpansionSingleQuote() throws IOException { assertExpandsTo("king", new String[] { "king", "baron" }); } private void assertExpandsTo(String term, String expected[]) throws IOException { Query expandedQuery = SynExpand.expand(term, searcher, new MockAnalyzer(random), "field", 1F); BooleanQuery expectedQuery = new BooleanQuery(); for (String t : expected) expectedQuery.add(new TermQuery(new Term("field", t)), BooleanClause.Occur.SHOULD); assertEquals(expectedQuery, expandedQuery); } @Override public void tearDown() throws Exception { if (searcher != null) { searcher.close(); } if (dir != null) { dir.close(); } rmDir(storePathName); // delete our temporary synonym index super.tearDown(); } private void rmDir(String directory) { File dir = new File(directory); File[] files = dir.listFiles(); for (int i = 0; i < files.length; i++) { files[i].delete(); } dir.delete(); } } Other Lucene examples (source code examples)Here is a short list of links related to this Lucene TestWordnet.java source code file: |
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