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* the Apache License, Version 2.0 (the "License"); you may
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* 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,
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package org.elasticsearch.common.lucene.search;
import org.apache.lucene.document.Document;
import org.apache.lucene.document.Field;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.index.IndexReader;
import org.apache.lucene.index.IndexWriter;
import org.apache.lucene.index.IndexWriterConfig;
import org.apache.lucene.index.Term;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.store.RAMDirectory;
import org.elasticsearch.common.lucene.Lucene;
import org.elasticsearch.test.ESTestCase;
import static org.hamcrest.Matchers.equalTo;
public class MultiPhrasePrefixQueryTests extends ESTestCase {
public void testSimple() throws Exception {
IndexWriter writer = new IndexWriter(new RAMDirectory(), new IndexWriterConfig(Lucene.STANDARD_ANALYZER));
Document doc = new Document();
doc.add(new Field("field", "aaa bbb ccc ddd", TextField.TYPE_NOT_STORED));
writer.addDocument(doc);
IndexReader reader = DirectoryReader.open(writer);
IndexSearcher searcher = new IndexSearcher(reader);
MultiPhrasePrefixQuery query = new MultiPhrasePrefixQuery();
query.add(new Term("field", "aa"));
assertThat(searcher.count(query), equalTo(1));
query = new MultiPhrasePrefixQuery();
query.add(new Term("field", "aaa"));
query.add(new Term("field", "bb"));
assertThat(searcher.count(query), equalTo(1));
query = new MultiPhrasePrefixQuery();
query.setSlop(1);
query.add(new Term("field", "aaa"));
query.add(new Term("field", "cc"));
assertThat(searcher.count(query), equalTo(1));
query = new MultiPhrasePrefixQuery();
query.setSlop(1);
query.add(new Term("field", "xxx"));
assertThat(searcher.count(query), equalTo(0));
}
}