package org.apache.lucene;
/**
* Copyright 2004 The Apache Software Foundation
*
* 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.
*/
import java.util.GregorianCalendar;
import java.io.PrintWriter;
import java.io.StringWriter;
import junit.framework.TestCase;
import junit.framework.TestSuite;
import junit.textui.TestRunner;
import org.apache.lucene.store.*;
import org.apache.lucene.document.*;
import org.apache.lucene.analysis.*;
import org.apache.lucene.index.*;
import org.apache.lucene.search.*;
import org.apache.lucene.queryParser.*;
/** JUnit adaptation of an older test case SearchTest.
* @author dmitrys@earthlink.net
* @version $Id: TestSearch.java 150494 2004-09-06 22:29:22Z dnaber $
*/
public class TestSearch extends TestCase {
/** Main for running test case by itself. */
public static void main(String args[]) {
TestRunner.run (new TestSuite(TestSearch.class));
}
/** This test performs a number of searches. It also compares output
* of searches using multi-file index segments with single-file
* index segments.
*
* TODO: someone should check that the results of the searches are
* still correct by adding assert statements. Right now, the test
* passes if the results are the same between multi-file and
* single-file formats, even if the results are wrong.
*/
public void testSearch() throws Exception {
StringWriter sw = new StringWriter();
PrintWriter pw = new PrintWriter(sw, true);
doTestSearch(pw, false);
pw.close();
sw.close();
String multiFileOutput = sw.getBuffer().toString();
//System.out.println(multiFileOutput);
sw = new StringWriter();
pw = new PrintWriter(sw, true);
doTestSearch(pw, true);
pw.close();
sw.close();
String singleFileOutput = sw.getBuffer().toString();
assertEquals(multiFileOutput, singleFileOutput);
}
private void doTestSearch(PrintWriter out, boolean useCompoundFile)
throws Exception
{
Directory directory = new RAMDirectory();
Analyzer analyzer = new SimpleAnalyzer();
IndexWriter writer = new IndexWriter(directory, analyzer, true);
writer.setUseCompoundFile(useCompoundFile);
String[] docs = {
"a b c d e",
"a b c d e a b c d e",
"a b c d e f g h i j",
"a c e",
"e c a",
"a c e a c e",
"a c e a b c"
};
for (int j = 0; j < docs.length; j++) {
Document d = new Document();
d.add(new Field("contents", docs[j], Field.Store.YES, Field.Index.TOKENIZED));
writer.addDocument(d);
}
writer.close();
Searcher searcher = new IndexSearcher(directory);
String[] queries = {
"a b",
"\"a b\"",
"\"a b c\"",
"a c",
"\"a c\"",
"\"a c e\"",
};
Hits hits = null;
QueryParser parser = new QueryParser("contents", analyzer);
parser.setPhraseSlop(4);
for (int j = 0; j < queries.length; j++) {
Query query = parser.parse(queries[j]);
out.println("Query: " + query.toString("contents"));
//DateFilter filter =
// new DateFilter("modified", Time(1997,0,1), Time(1998,0,1));
//DateFilter filter = DateFilter.Before("modified", Time(1997,00,01));
//System.out.println(filter);
hits = searcher.search(query);
out.println(hits.length() + " total results");
for (int i = 0 ; i < hits.length() && i < 10; i++) {
Document d = hits.doc(i);
out.println(i + " " + hits.score(i)
// + " " + DateField.stringToDate(d.get("modified"))
+ " " + d.get("contents"));
}
}
searcher.close();
}
static long Time(int year, int month, int day) {
GregorianCalendar calendar = new GregorianCalendar();
calendar.set(year, month, day);
return calendar.getTime().getTime();
}
}
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