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package org.apache.lucene;

 * 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,
 * 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 org.apache.lucene.util.LuceneTestCase;
import org.apache.lucene.util.Version;
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. */
public class TestSearch extends LuceneTestCase {

    /** 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);
      String multiFileOutput = sw.getBuffer().toString();

      sw = new StringWriter();
      pw = new PrintWriter(sw, true);
      doTestSearch(pw, true);
      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, 


      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.ANALYZED));

      Searcher searcher = new IndexSearcher(directory, true);

      String[] queries = {
        "a b",
        "\"a b\"",
        "\"a b c\"",
        "a c",
        "\"a c\"",
        "\"a c e\"",
      ScoreDoc[] hits = null;

      QueryParser parser = new QueryParser(Version.LUCENE_CURRENT, "contents", analyzer);
      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));

        hits = searcher.search(query, null, 1000).scoreDocs;

        out.println(hits.length + " total results");
        for (int i = 0 ; i < hits.length && i < 10; i++) {
          Document d = searcher.doc(hits[i].doc);
          out.println(i + " " + hits[i].score
//          + " " + DateField.stringToDate(d.get("modified"))
                             + " " + d.get("contents"));

  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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