pylucene 3.5.0-3

[pylucene.git] / lucene-java-3.5.0 / lucene / backwards / src / test / org / apache / lucene / search / TestDateSort.java

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestDateSort.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestDateSort.java
new file mode 100644 (file)
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+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestDateSort.java
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+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 java.util.Arrays;
+
+import org.apache.lucene.util.LuceneTestCase;
+
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.analysis.WhitespaceAnalyzer;
+import org.apache.lucene.document.DateTools;
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.queryParser.QueryParser;
+import org.apache.lucene.search.Query;
+import org.apache.lucene.search.Sort;
+import org.apache.lucene.search.SortField;
+import org.apache.lucene.store.Directory;
+
+/**
+ * Test date sorting, i.e. auto-sorting of fields with type "long".
+ * See http://issues.apache.org/jira/browse/LUCENE-1045 
+ */
+public class TestDateSort extends LuceneTestCase {
+
+  private static final String TEXT_FIELD = "text";
+  private static final String DATE_TIME_FIELD = "dateTime";
+
+  private Directory directory;
+  private IndexReader reader;
+
+  @Override
+  public void setUp() throws Exception {
+    super.setUp();
+    // Create an index writer.
+    directory = newDirectory();
+    RandomIndexWriter writer = new RandomIndexWriter(random, directory, new MockAnalyzer(random));
+
+    // oldest doc:
+    // Add the first document.  text = "Document 1"  dateTime = Oct 10 03:25:22 EDT 2007
+    writer.addDocument(createDocument("Document 1", 1192001122000L));
+    // Add the second document.  text = "Document 2"  dateTime = Oct 10 03:25:26 EDT 2007 
+    writer.addDocument(createDocument("Document 2", 1192001126000L));
+    // Add the third document.  text = "Document 3"  dateTime = Oct 11 07:12:13 EDT 2007 
+    writer.addDocument(createDocument("Document 3", 1192101133000L));
+    // Add the fourth document.  text = "Document 4"  dateTime = Oct 11 08:02:09 EDT 2007
+    writer.addDocument(createDocument("Document 4", 1192104129000L));
+    // latest doc:
+    // Add the fifth document.  text = "Document 5"  dateTime = Oct 12 13:25:43 EDT 2007
+    writer.addDocument(createDocument("Document 5", 1192209943000L));
+
+    reader = writer.getReader();
+    writer.close();
+  }
+
+  @Override
+  public void tearDown() throws Exception {
+    reader.close();
+    directory.close();
+    super.tearDown();
+  }
+
+  public void testReverseDateSort() throws Exception {
+    IndexSearcher searcher = newSearcher(reader);
+
+    Sort sort = new Sort(new SortField(DATE_TIME_FIELD, SortField.STRING, true));
+
+    QueryParser queryParser = new QueryParser(TEST_VERSION_CURRENT, TEXT_FIELD, new MockAnalyzer(random));
+    Query query = queryParser.parse("Document");
+
+    // Execute the search and process the search results.
+    String[] actualOrder = new String[5];
+    ScoreDoc[] hits = searcher.search(query, null, 1000, sort).scoreDocs;
+    for (int i = 0; i < hits.length; i++) {
+      Document document = searcher.doc(hits[i].doc);
+      String text = document.get(TEXT_FIELD);
+      actualOrder[i] = text;
+    }
+    searcher.close();
+
+    // Set up the expected order (i.e. Document 5, 4, 3, 2, 1).
+    String[] expectedOrder = new String[5];
+    expectedOrder[0] = "Document 5";
+    expectedOrder[1] = "Document 4";
+    expectedOrder[2] = "Document 3";
+    expectedOrder[3] = "Document 2";
+    expectedOrder[4] = "Document 1";
+
+    assertEquals(Arrays.asList(expectedOrder), Arrays.asList(actualOrder));
+  }
+
+  private Document createDocument(String text, long time) {
+    Document document = new Document();
+
+    // Add the text field.
+    Field textField = newField(TEXT_FIELD, text, Field.Store.YES, Field.Index.ANALYZED);
+    document.add(textField);
+
+    // Add the date/time field.
+    String dateTimeString = DateTools.timeToString(time, DateTools.Resolution.SECOND);
+    Field dateTimeField = newField(DATE_TIME_FIELD, dateTimeString, Field.Store.YES,
+        Field.Index.NOT_ANALYZED);
+    document.add(dateTimeField);
+
+    return document;
+  }
+
+}