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* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.
*/
package org.elasticsearch.index.codec.postingformat;
import org.apache.lucene.analysis.core.WhitespaceAnalyzer;
import org.apache.lucene.codecs.Codec;
import org.apache.lucene.codecs.PostingsFormat;
import org.apache.lucene.codecs.lucene50.Lucene50Codec;
import org.apache.lucene.document.Field.Store;
import org.apache.lucene.document.TextField;
import org.apache.lucene.index.*;
import org.apache.lucene.store.Directory;
import org.apache.lucene.store.RAMDirectory;
import org.elasticsearch.common.lucene.Lucene;
import org.elasticsearch.index.codec.postingsformat.BloomFilterPostingsFormat;
import org.elasticsearch.index.codec.postingsformat.Elasticsearch090PostingsFormat;
import org.elasticsearch.index.mapper.internal.UidFieldMapper;
import org.elasticsearch.test.ElasticsearchTestCase;
import org.junit.Test;
import java.io.IOException;
import java.util.Arrays;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
import static org.hamcrest.Matchers.*;
/**
* Simple smoke test for {@link org.elasticsearch.index.codec.postingsformat.Elasticsearch090PostingsFormat}
*/
public class DefaultPostingsFormatTests extends ElasticsearchTestCase {
private final class TestCodec extends Lucene50Codec {
@Override
public PostingsFormat getPostingsFormatForField(String field) {
return new Elasticsearch090PostingsFormat();
}
}
@Test
public void testUseDefault() throws IOException {
Codec codec = new TestCodec();
Directory d = new RAMDirectory();
IndexWriterConfig config = new IndexWriterConfig(new WhitespaceAnalyzer());
config.setCodec(codec);
IndexWriter writer = new IndexWriter(d, config);
writer.addDocument(Arrays.asList(new TextField("foo", "bar", Store.YES), new TextField(UidFieldMapper.NAME, "1234", Store.YES)));
writer.commit();
DirectoryReader reader = DirectoryReader.open(writer, false);
List<LeafReaderContext> leaves = reader.leaves();
assertThat(leaves.size(), equalTo(1));
LeafReader ar = leaves.get(0).reader();
Terms terms = ar.terms("foo");
Terms uidTerms = ar.terms(UidFieldMapper.NAME);
assertThat(terms.size(), equalTo(1l));
assertThat(terms, not(instanceOf(BloomFilterPostingsFormat.BloomFilteredTerms.class)));
assertThat(uidTerms, not(instanceOf(BloomFilterPostingsFormat.BloomFilteredTerms.class)));
reader.close();
writer.close();
d.close();
}
@Test
public void testNoUIDField() throws IOException {
Codec codec = new TestCodec();
Directory d = new RAMDirectory();
IndexWriterConfig config = new IndexWriterConfig(new WhitespaceAnalyzer());
config.setCodec(codec);
IndexWriter writer = new IndexWriter(d, config);
for (int i = 0; i < 100; i++) {
writer.addDocument(Arrays.asList(new TextField("foo", "foo bar foo bar", Store.YES), new TextField("some_other_field", "1234", Store.YES)));
}
writer.forceMerge(1, true);
writer.commit();
DirectoryReader reader = DirectoryReader.open(writer, false);
List<LeafReaderContext> leaves = reader.leaves();
assertThat(leaves.size(), equalTo(1));
LeafReader ar = leaves.get(0).reader();
Terms terms = ar.terms("foo");
Terms some_other_field = ar.terms("some_other_field");
assertThat(terms.size(), equalTo(2l));
assertThat(terms, not(instanceOf(BloomFilterPostingsFormat.BloomFilteredTerms.class)));
assertThat(some_other_field, not(instanceOf(BloomFilterPostingsFormat.BloomFilteredTerms.class)));
TermsEnum iterator = terms.iterator(null);
Set<String> expected = new HashSet<>();
expected.add("foo");
expected.add("bar");
while(iterator.next() != null) {
expected.remove(iterator.term().utf8ToString());
}
assertThat(expected.size(), equalTo(0));
reader.close();
writer.close();
d.close();
}
}