package org.apache.lucene.document;
import junit.framework.TestCase;
import org.apache.lucene.store.RAMDirectory;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.analysis.standard.StandardAnalyzer;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.Query;
import org.apache.lucene.search.TermQuery;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Searcher;
import org.apache.lucene.search.Hits;
/**
* 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.
*/
/**
* Tests {@link Document} class.
*
* @author Otis Gospodnetic
* @version $Id: TestDocument.java 472959 2006-11-09 16:21:50Z yonik $
*/
public class TestDocument extends TestCase
{
String binaryVal = "this text will be stored as a byte array in the index";
String binaryVal2 = "this text will be also stored as a byte array in the index";
public void testBinaryField()
throws Exception
{
Document doc = new Document();
Fieldable stringFld = new Field("string", binaryVal, Field.Store.YES, Field.Index.NO);
Fieldable binaryFld = new Field("binary", binaryVal.getBytes(), Field.Store.YES);
Fieldable binaryFld2 = new Field("binary", binaryVal2.getBytes(), Field.Store.YES);
doc.add(stringFld);
doc.add(binaryFld);
assertEquals(2, doc.fields.size());
assertTrue(binaryFld.isBinary());
assertTrue(binaryFld.isStored());
assertFalse(binaryFld.isIndexed());
assertFalse(binaryFld.isTokenized());
String binaryTest = new String(doc.getBinaryValue("binary"));
assertTrue(binaryTest.equals(binaryVal));
String stringTest = doc.get("string");
assertTrue(binaryTest.equals(stringTest));
doc.add(binaryFld2);
assertEquals(3, doc.fields.size());
byte[][] binaryTests = doc.getBinaryValues("binary");
assertEquals(2, binaryTests.length);
binaryTest = new String(binaryTests[0]);
String binaryTest2 = new String(binaryTests[1]);
assertFalse(binaryTest.equals(binaryTest2));
assertTrue(binaryTest.equals(binaryVal));
assertTrue(binaryTest2.equals(binaryVal2));
doc.removeField("string");
assertEquals(2, doc.fields.size());
doc.removeFields("binary");
assertEquals(0, doc.fields.size());
}
/**
* Tests {@link Document#removeField(String)} method for a brand new Document
* that has not been indexed yet.
*
* @throws Exception on error
*/
public void testRemoveForNewDocument() throws Exception
{
Document doc = makeDocumentWithFields();
assertEquals(8, doc.fields.size());
doc.removeFields("keyword");
assertEquals(6, doc.fields.size());
doc.removeFields("doesnotexists"); // removing non-existing fields is siltenlty ignored
doc.removeFields("keyword"); // removing a field more than once
assertEquals(6, doc.fields.size());
doc.removeField("text");
assertEquals(5, doc.fields.size());
doc.removeField("text");
assertEquals(4, doc.fields.size());
doc.removeField("text");
assertEquals(4, doc.fields.size());
doc.removeField("doesnotexists"); // removing non-existing fields is siltenlty ignored
assertEquals(4, doc.fields.size());
doc.removeFields("unindexed");
assertEquals(2, doc.fields.size());
doc.removeFields("unstored");
assertEquals(0, doc.fields.size());
doc.removeFields("doesnotexists"); // removing non-existing fields is siltenlty ignored
assertEquals(0, doc.fields.size());
}
public void testConstructorExceptions()
{
new Field("name", "value", Field.Store.YES, Field.Index.NO); // okay
new Field("name", "value", Field.Store.NO, Field.Index.UN_TOKENIZED); // okay
try {
new Field("name", "value", Field.Store.NO, Field.Index.NO);
fail();
} catch(IllegalArgumentException e) {
// expected exception
}
new Field("name", "value", Field.Store.YES, Field.Index.NO, Field.TermVector.NO); // okay
try {
new Field("name", "value", Field.Store.YES, Field.Index.NO, Field.TermVector.YES);
fail();
} catch(IllegalArgumentException e) {
// expected exception
}
}
/**
* Tests {@link Document#getValues(String)} method for a brand new Document
* that has not been indexed yet.
*
* @throws Exception on error
*/
public void testGetValuesForNewDocument() throws Exception
{
doAssert(makeDocumentWithFields(), false);
}
/**
* Tests {@link Document#getValues(String)} method for a Document retrieved from
* an index.
*
* @throws Exception on error
*/
public void testGetValuesForIndexedDocument() throws Exception
{
RAMDirectory dir = new RAMDirectory();
IndexWriter writer = new IndexWriter(dir, new StandardAnalyzer(), true);
writer.addDocument(makeDocumentWithFields());
writer.close();
Searcher searcher = new IndexSearcher(dir);
// search for something that does exists
Query query = new TermQuery(new Term("keyword", "test1"));
// ensure that queries return expected results without DateFilter first
Hits hits = searcher.search(query);
assertEquals(1, hits.length());
doAssert(hits.doc(0), true);
searcher.close();
}
private Document makeDocumentWithFields()
{
Document doc = new Document();
doc.add(new Field( "keyword", "test1", Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.add(new Field( "keyword", "test2", Field.Store.YES, Field.Index.UN_TOKENIZED));
doc.add(new Field( "text", "test1", Field.Store.YES, Field.Index.TOKENIZED));
doc.add(new Field( "text", "test2", Field.Store.YES, Field.Index.TOKENIZED));
doc.add(new Field("unindexed", "test1", Field.Store.YES, Field.Index.NO));
doc.add(new Field("unindexed", "test2", Field.Store.YES, Field.Index.NO));
doc.add(new Field( "unstored", "test1", Field.Store.NO, Field.Index.TOKENIZED));
doc.add(new Field( "unstored", "test2", Field.Store.NO, Field.Index.TOKENIZED));
return doc;
}
private void doAssert(Document doc, boolean fromIndex)
{
String[] keywordFieldValues = doc.getValues("keyword");
String[] textFieldValues = doc.getValues("text");
String[] unindexedFieldValues = doc.getValues("unindexed");
String[] unstoredFieldValues = doc.getValues("unstored");
assertTrue(keywordFieldValues.length == 2);
assertTrue(textFieldValues.length == 2);
assertTrue(unindexedFieldValues.length == 2);
// this test cannot work for documents retrieved from the index
// since unstored fields will obviously not be returned
if (! fromIndex)
{
assertTrue(unstoredFieldValues.length == 2);
}
assertTrue(keywordFieldValues[0].equals("test1"));
assertTrue(keywordFieldValues[1].equals("test2"));
assertTrue(textFieldValues[0].equals("test1"));
assertTrue(textFieldValues[1].equals("test2"));
assertTrue(unindexedFieldValues[0].equals("test1"));
assertTrue(unindexedFieldValues[1].equals("test2"));
// this test cannot work for documents retrieved from the index
// since unstored fields will obviously not be returned
if (! fromIndex)
{
assertTrue(unstoredFieldValues[0].equals("test1"));
assertTrue(unstoredFieldValues[1].equals("test2"));
}
}
}
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