pylucene 3.5.0-3

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

diff --git a/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestPhrasePrefixQuery.java b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestPhrasePrefixQuery.java
new file mode 100644 (file)
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+++ b/lucene-java-3.5.0/lucene/backwards/src/test/org/apache/lucene/search/TestPhrasePrefixQuery.java
@@ -0,0 +1,101 @@
+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 org.apache.lucene.util.LuceneTestCase;
+
+import org.apache.lucene.document.Document;
+import org.apache.lucene.document.Field;
+import org.apache.lucene.index.RandomIndexWriter;
+import org.apache.lucene.index.IndexReader;
+import org.apache.lucene.index.Term;
+import org.apache.lucene.index.TermEnum;
+import org.apache.lucene.store.Directory;
+
+import java.io.IOException;
+import java.util.LinkedList;
+
+/**
+ * This class tests PhrasePrefixQuery class.
+ */
+public class TestPhrasePrefixQuery extends LuceneTestCase {
+  
+  /**
+     *
+     */
+  public void testPhrasePrefix() throws IOException {
+    Directory indexStore = newDirectory();
+    RandomIndexWriter writer = new RandomIndexWriter(random, indexStore);
+    Document doc1 = new Document();
+    Document doc2 = new Document();
+    Document doc3 = new Document();
+    Document doc4 = new Document();
+    Document doc5 = new Document();
+    doc1.add(newField("body", "blueberry pie", Field.Store.YES,
+        Field.Index.ANALYZED));
+    doc2.add(newField("body", "blueberry strudel", Field.Store.YES,
+        Field.Index.ANALYZED));
+    doc3.add(newField("body", "blueberry pizza", Field.Store.YES,
+        Field.Index.ANALYZED));
+    doc4.add(newField("body", "blueberry chewing gum", Field.Store.YES,
+        Field.Index.ANALYZED));
+    doc5.add(newField("body", "piccadilly circus", Field.Store.YES,
+        Field.Index.ANALYZED));
+    writer.addDocument(doc1);
+    writer.addDocument(doc2);
+    writer.addDocument(doc3);
+    writer.addDocument(doc4);
+    writer.addDocument(doc5);
+    IndexReader reader = writer.getReader();
+    writer.close();
+    
+    IndexSearcher searcher = newSearcher(reader);
+    
+    // PhrasePrefixQuery query1 = new PhrasePrefixQuery();
+    MultiPhraseQuery query1 = new MultiPhraseQuery();
+    // PhrasePrefixQuery query2 = new PhrasePrefixQuery();
+    MultiPhraseQuery query2 = new MultiPhraseQuery();
+    query1.add(new Term("body", "blueberry"));
+    query2.add(new Term("body", "strawberry"));
+    
+    LinkedList<Term> termsWithPrefix = new LinkedList<Term>();
+    
+    // this TermEnum gives "piccadilly", "pie" and "pizza".
+    String prefix = "pi";
+    TermEnum te = reader.terms(new Term("body", prefix + "*"));
+    do {
+        if (te.term().text().startsWith(prefix))
+        {
+            termsWithPrefix.add(te.term());
+        }
+    } while (te.next());
+    
+    query1.add(termsWithPrefix.toArray(new Term[0]));
+    query2.add(termsWithPrefix.toArray(new Term[0]));
+    
+    ScoreDoc[] result;
+    result = searcher.search(query1, null, 1000).scoreDocs;
+    assertEquals(2, result.length);
+    
+    result = searcher.search(query2, null, 1000).scoreDocs;
+    assertEquals(0, result.length);
+    searcher.close();
+    reader.close();
+    indexStore.close();
+  }
+}