--- /dev/null
+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,
+ * 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.IOException;
+import java.io.PrintWriter;
+import java.io.StringWriter;
+import java.util.Random;
+
+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.*;
+import org.apache.lucene.util.LuceneTestCase;
+import junit.framework.TestSuite;
+import junit.textui.TestRunner;
+
+public class TestSearchForDuplicates extends LuceneTestCase {
+
+ /** Main for running test case by itself. */
+ public static void main(String args[]) {
+ TestRunner.run (new TestSuite(TestSearchForDuplicates.class));
+ }
+
+
+
+ static final String PRIORITY_FIELD ="priority";
+ static final String ID_FIELD ="id";
+ static final String HIGH_PRIORITY ="high";
+ static final String MED_PRIORITY ="medium";
+ static final String LOW_PRIORITY ="low";
+
+
+ /** This test compares search results when using and not using compound
+ * files.
+ *
+ * TODO: There is rudimentary search result validation as well, but it is
+ * simply based on asserting the output observed in the old test case,
+ * without really knowing if the output is correct. Someone needs to
+ * validate this output and make any changes to the checkHits method.
+ */
+ public void testRun() throws Exception {
+ StringWriter sw = new StringWriter();
+ PrintWriter pw = new PrintWriter(sw, true);
+ final int MAX_DOCS = atLeast(225);
+ doTest(random, pw, false, MAX_DOCS);
+ pw.close();
+ sw.close();
+ String multiFileOutput = sw.getBuffer().toString();
+ //System.out.println(multiFileOutput);
+
+ sw = new StringWriter();
+ pw = new PrintWriter(sw, true);
+ doTest(random, pw, true, MAX_DOCS);
+ pw.close();
+ sw.close();
+ String singleFileOutput = sw.getBuffer().toString();
+
+ assertEquals(multiFileOutput, singleFileOutput);
+ }
+
+
+ private void doTest(Random random, PrintWriter out, boolean useCompoundFiles, int MAX_DOCS) throws Exception {
+ Directory directory = newDirectory();
+ Analyzer analyzer = new MockAnalyzer(random);
+ IndexWriterConfig conf = newIndexWriterConfig(TEST_VERSION_CURRENT, analyzer);
+ final MergePolicy mp = conf.getMergePolicy();
+ if (mp instanceof LogMergePolicy) {
+ ((LogMergePolicy) mp).setUseCompoundFile(useCompoundFiles);
+ }
+ IndexWriter writer = new IndexWriter(directory, conf);
+ if (VERBOSE) {
+ System.out.println("TEST: now build index");
+ writer.setInfoStream(System.out);
+ }
+
+ for (int j = 0; j < MAX_DOCS; j++) {
+ Document d = new Document();
+ d.add(newField(PRIORITY_FIELD, HIGH_PRIORITY, Field.Store.YES, Field.Index.ANALYZED));
+ d.add(newField(ID_FIELD, Integer.toString(j), Field.Store.YES, Field.Index.ANALYZED));
+ writer.addDocument(d);
+ }
+ writer.close();
+
+ // try a search without OR
+ IndexReader reader = IndexReader.open(directory);
+ IndexSearcher searcher = new IndexSearcher(reader);
+
+ QueryParser parser = new QueryParser(TEST_VERSION_CURRENT, PRIORITY_FIELD, analyzer);
+
+ Query query = parser.parse(HIGH_PRIORITY);
+ out.println("Query: " + query.toString(PRIORITY_FIELD));
+
+ final Sort sort = new Sort(new SortField[] {
+ SortField.FIELD_SCORE,
+ new SortField(ID_FIELD, SortField.INT)});
+
+ ScoreDoc[] hits = searcher.search(query, null, MAX_DOCS, sort).scoreDocs;
+ printHits(out, hits, searcher);
+ checkHits(hits, MAX_DOCS, searcher);
+
+ searcher.close();
+
+ // try a new search with OR
+ searcher = new IndexSearcher(reader);
+ hits = null;
+
+ parser = new QueryParser(TEST_VERSION_CURRENT, PRIORITY_FIELD, analyzer);
+
+ query = parser.parse(HIGH_PRIORITY + " OR " + MED_PRIORITY);
+ out.println("Query: " + query.toString(PRIORITY_FIELD));
+
+ hits = searcher.search(query, null, MAX_DOCS, sort).scoreDocs;
+ printHits(out, hits, searcher);
+ checkHits(hits, MAX_DOCS, searcher);
+
+ searcher.close();
+ reader.close();
+ directory.close();
+ }
+
+
+ private void printHits(PrintWriter out, ScoreDoc[] hits, Searcher searcher ) throws IOException {
+ out.println(hits.length + " total results\n");
+ for (int i = 0 ; i < hits.length; i++) {
+ if ( i < 10 || (i > 94 && i < 105) ) {
+ Document d = searcher.doc(hits[i].doc);
+ out.println(i + " " + d.get(ID_FIELD));
+ }
+ }
+ }
+
+ private void checkHits(ScoreDoc[] hits, int expectedCount, Searcher searcher) throws IOException {
+ assertEquals("total results", expectedCount, hits.length);
+ for (int i = 0 ; i < hits.length; i++) {
+ if (i < 10 || (i > 94 && i < 105) ) {
+ Document d = searcher.doc(hits[i].doc);
+ assertEquals("check " + i, String.valueOf(i), d.get(ID_FIELD));
+ }
+ }
+ }
+
+}