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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.fielddata;
import org.apache.lucene.index.AtomicReaderContext;
import org.apache.lucene.index.DirectoryReader;
import org.apache.lucene.search.*;
import org.apache.lucene.util.BytesRef;
import org.elasticsearch.common.Strings;
import org.elasticsearch.common.lucene.HashedBytesRef;
import org.elasticsearch.index.fielddata.fieldcomparator.BytesRefFieldComparatorSource;
import org.elasticsearch.index.fielddata.fieldcomparator.SortMode;
import org.junit.Test;
import static org.hamcrest.Matchers.*;
public abstract class AbstractFieldDataImplTests extends AbstractFieldDataTests {
protected String one() {
return "1";
}
protected String two() {
return "2";
}
protected String three() {
return "3";
}
protected String four() {
return "4";
}
protected String toString(Object value) {
if (value instanceof BytesRef) {
return ((BytesRef) value).utf8ToString();
}
return value.toString();
}
protected abstract void fillSingleValueAllSet() throws Exception;
protected abstract void add2SingleValuedDocumentsAndDeleteOneOfThem() throws Exception;
@Test
public void testDeletedDocs() throws Exception {
add2SingleValuedDocumentsAndDeleteOneOfThem();
IndexFieldData indexFieldData = getForField("value");
AtomicReaderContext readerContext = refreshReader();
AtomicFieldData fieldData = indexFieldData.load(readerContext);
BytesValues values = fieldData.getBytesValues(randomBoolean());
for (int i = 0; i < fieldData.getNumDocs(); ++i) {
assertThat(values.setDocument(i), greaterThanOrEqualTo(1));
}
}
@Test
public void testSingleValueAllSet() throws Exception {
fillSingleValueAllSet();
IndexFieldData indexFieldData = getForField("value");
AtomicReaderContext readerContext = refreshReader();
AtomicFieldData fieldData = indexFieldData.load(readerContext);
assertThat(fieldData.getMemorySizeInBytes(), greaterThan(0l));
assertThat(fieldData.getNumDocs(), equalTo(3));
BytesValues bytesValues = fieldData.getBytesValues(randomBoolean());
assertThat(bytesValues.isMultiValued(), equalTo(false));
assertThat(bytesValues.setDocument(0), equalTo(1));
assertThat(bytesValues.nextValue(), equalTo(new BytesRef(two())));
assertThat(bytesValues.setDocument(1), equalTo(1));
assertThat(bytesValues.nextValue(), equalTo(new BytesRef(one())));
assertThat(bytesValues.setDocument(2), equalTo(1));
assertThat(bytesValues.nextValue(), equalTo(new BytesRef(three())));
assertValues(bytesValues, 0, two());
assertValues(bytesValues, 1, one());
assertValues(bytesValues, 2, three());
BytesValues hashedBytesValues = fieldData.getBytesValues(randomBoolean());
assertThat(convert(hashedBytesValues, 0), equalTo(new HashedBytesRef(two())));
assertThat(convert(hashedBytesValues, 1), equalTo(new HashedBytesRef(one())));
assertThat(convert(hashedBytesValues, 2), equalTo(new HashedBytesRef(three())));
assertHashedValues(hashedBytesValues, 0, two());
assertHashedValues(hashedBytesValues, 1, one());
assertHashedValues(hashedBytesValues, 2, three());
IndexSearcher searcher = new IndexSearcher(readerContext.reader());
TopFieldDocs topDocs;
topDocs = searcher.search(new MatchAllDocsQuery(), 10,
new Sort(new SortField("value", indexFieldData.comparatorSource(null, SortMode.MIN))));
assertThat(topDocs.totalHits, equalTo(3));
assertThat(topDocs.scoreDocs[0].doc, equalTo(1));
assertThat(toString(((FieldDoc) topDocs.scoreDocs[0]).fields[0]), equalTo(one()));
assertThat(topDocs.scoreDocs[1].doc, equalTo(0));
assertThat(toString(((FieldDoc) topDocs.scoreDocs[1]).fields[0]), equalTo(two()));
assertThat(topDocs.scoreDocs[2].doc, equalTo(2));
assertThat(toString(((FieldDoc) topDocs.scoreDocs[2]).fields[0]), equalTo(three()));
topDocs = searcher.search(new MatchAllDocsQuery(), 10,
new Sort(new SortField("value", indexFieldData.comparatorSource(null, SortMode.MAX), true)));
assertThat(topDocs.totalHits, equalTo(3));
assertThat(topDocs.scoreDocs[0].doc, equalTo(2));
assertThat(topDocs.scoreDocs[1].doc, equalTo(0));
assertThat(topDocs.scoreDocs[2].doc, equalTo(1));
}
private HashedBytesRef convert(BytesValues values, int doc) {
if (values.setDocument(doc) > 0) {
return new HashedBytesRef(BytesRef.deepCopyOf(values.nextValue()), values.currentValueHash());
} else {
return new HashedBytesRef(new BytesRef());
}
}
protected abstract void fillSingleValueWithMissing() throws Exception;
public void assertValues(BytesValues values, int docId, BytesRef... actualValues) {
assertThat(values.setDocument(docId), equalTo(actualValues.length));
for (int i = 0; i < actualValues.length; i++) {
assertThat(values.nextValue(), equalTo(actualValues[i]));
}
}
public void assertValues(BytesValues values, int docId, String... actualValues) {
assertThat(values.setDocument(docId), equalTo(actualValues.length));
for (int i = 0; i < actualValues.length; i++) {
assertThat(values.nextValue(), equalTo(new BytesRef(actualValues[i])));
}
}
public void assertHashedValues(BytesValues values, int docId, BytesRef... actualValues) {
assertThat(values.setDocument(docId), equalTo(actualValues.length));
BytesRef r = new BytesRef();
for (int i = 0; i < actualValues.length; i++) {
assertThat(values.nextValue(), equalTo(new HashedBytesRef(actualValues[i]).bytes));
assertThat(values.currentValueHash(), equalTo(new HashedBytesRef(actualValues[i]).hash));
}
}
public void assertHashedValues(BytesValues values, int docId, String... actualValues) {
assertThat(values.setDocument(docId), equalTo(actualValues.length));
for (int i = 0; i < actualValues.length; i++) {
assertThat(values.nextValue(), equalTo(new HashedBytesRef(actualValues[i]).bytes));
assertThat(values.currentValueHash(), equalTo(new HashedBytesRef(actualValues[i]).hash));
}
}
@Test
public void testSingleValueWithMissing() throws Exception {
fillSingleValueWithMissing();
IndexFieldData indexFieldData = getForField("value");
AtomicFieldData fieldData = indexFieldData.load(refreshReader());
assertThat(fieldData.getMemorySizeInBytes(), greaterThan(0l));
assertThat(fieldData.getNumDocs(), equalTo(3));
BytesValues bytesValues = fieldData
.getBytesValues(randomBoolean());
assertThat(bytesValues.isMultiValued(), equalTo(false));
assertValues(bytesValues, 0, two());
assertValues(bytesValues, 1, Strings.EMPTY_ARRAY);
assertValues(bytesValues, 2, three());
BytesValues hashedBytesValues = fieldData.getBytesValues(randomBoolean());
assertThat(convert(hashedBytesValues, 0), equalTo(new HashedBytesRef(two())));
assertThat(convert(hashedBytesValues, 1), equalTo(new HashedBytesRef(new BytesRef())));
assertThat(convert(hashedBytesValues, 2), equalTo(new HashedBytesRef(three())));
assertHashedValues(hashedBytesValues, 0, two());
assertHashedValues(hashedBytesValues, 1, Strings.EMPTY_ARRAY);
assertHashedValues(hashedBytesValues, 2, three());
}
protected abstract void fillMultiValueAllSet() throws Exception;
@Test
public void testMultiValueAllSet() throws Exception {
fillMultiValueAllSet();
IndexFieldData indexFieldData = getForField("value");
AtomicFieldData fieldData = indexFieldData.load(refreshReader());
assertThat(fieldData.getMemorySizeInBytes(), greaterThan(0l));
assertThat(fieldData.getNumDocs(), equalTo(3));
BytesValues bytesValues = fieldData.getBytesValues(randomBoolean());
assertThat(bytesValues.isMultiValued(), equalTo(true));
assertValues(bytesValues, 0, two(), four());
assertValues(bytesValues, 1, one());
assertValues(bytesValues, 2, three());
BytesValues hashedBytesValues = fieldData.getBytesValues(randomBoolean());
assertThat(convert(hashedBytesValues, 0), equalTo(new HashedBytesRef(two())));
assertThat(convert(hashedBytesValues, 1), equalTo(new HashedBytesRef(one())));
assertThat(convert(hashedBytesValues, 2), equalTo(new HashedBytesRef(three())));
assertHashedValues(hashedBytesValues, 0, two(), four());
IndexSearcher searcher = new IndexSearcher(DirectoryReader.open(writer, true));
TopFieldDocs topDocs = searcher.search(new MatchAllDocsQuery(), 10, new Sort(new SortField("value", indexFieldData.comparatorSource(null, SortMode.MIN))));
assertThat(topDocs.totalHits, equalTo(3));
assertThat(topDocs.scoreDocs.length, equalTo(3));
assertThat(topDocs.scoreDocs[0].doc, equalTo(1));
assertThat(topDocs.scoreDocs[1].doc, equalTo(0));
assertThat(topDocs.scoreDocs[2].doc, equalTo(2));
topDocs = searcher.search(new MatchAllDocsQuery(), 10, new Sort(new SortField("value", indexFieldData.comparatorSource(null, SortMode.MAX), true)));
assertThat(topDocs.totalHits, equalTo(3));
assertThat(topDocs.scoreDocs.length, equalTo(3));
assertThat(topDocs.scoreDocs[0].doc, equalTo(0));
assertThat(topDocs.scoreDocs[1].doc, equalTo(2));
assertThat(topDocs.scoreDocs[2].doc, equalTo(1));
}
protected abstract void fillMultiValueWithMissing() throws Exception;
@Test
public void testMultiValueWithMissing() throws Exception {
fillMultiValueWithMissing();
IndexFieldData indexFieldData = getForField("value");
AtomicFieldData fieldData = indexFieldData.load(refreshReader());
assertThat(fieldData.getMemorySizeInBytes(), greaterThan(0l));
assertThat(fieldData.getNumDocs(), equalTo(3));
BytesValues bytesValues = fieldData.getBytesValues(randomBoolean());
assertThat(bytesValues.isMultiValued(), equalTo(true));
assertValues(bytesValues, 0, two(), four());
assertValues(bytesValues, 1, Strings.EMPTY_ARRAY);
BytesValues hashedBytesValues = fieldData.getBytesValues(randomBoolean());
assertThat(convert(hashedBytesValues, 0), equalTo(new HashedBytesRef(two())));
assertThat(convert(hashedBytesValues, 1), equalTo(new HashedBytesRef(new BytesRef())));
assertThat(convert(hashedBytesValues, 2), equalTo(new HashedBytesRef(three())));
assertHashedValues(bytesValues, 0, two(), four());
assertHashedValues(bytesValues, 1, Strings.EMPTY_ARRAY);
assertHashedValues(bytesValues, 2, three());
assertHashedValues(hashedBytesValues, 0, two(), four());
assertHashedValues(hashedBytesValues, 1, Strings.EMPTY_ARRAY);
assertHashedValues(hashedBytesValues, 2, three());
}
public void testMissingValueForAll() throws Exception {
fillAllMissing();
IndexFieldData indexFieldData = getForField("value");
AtomicFieldData fieldData = indexFieldData.load(refreshReader());
// Some impls (FST) return size 0 and some (PagedBytes) do take size in the case no actual data is loaded
assertThat(fieldData.getMemorySizeInBytes(), greaterThanOrEqualTo(0l));
assertThat(fieldData.getNumDocs(), equalTo(3));
BytesValues bytesValues = fieldData.getBytesValues(randomBoolean());
assertThat(bytesValues.isMultiValued(), equalTo(false));
assertValues(bytesValues, 0, Strings.EMPTY_ARRAY);
assertValues(bytesValues, 1, Strings.EMPTY_ARRAY);
assertValues(bytesValues, 2, Strings.EMPTY_ARRAY);
BytesValues hashedBytesValues = fieldData.getBytesValues(randomBoolean());
assertValues(hashedBytesValues, 0, Strings.EMPTY_ARRAY);
assertValues(hashedBytesValues, 1, Strings.EMPTY_ARRAY);
assertValues(hashedBytesValues, 2, Strings.EMPTY_ARRAY);
}
protected abstract void fillAllMissing() throws Exception;
@Test
public void testSortMultiValuesFields() throws Exception {
fillExtendedMvSet();
IndexFieldData indexFieldData = getForField("value");
IndexSearcher searcher = new IndexSearcher(DirectoryReader.open(writer, true));
TopFieldDocs topDocs = searcher.search(new MatchAllDocsQuery(), 10,
new Sort(new SortField("value", indexFieldData.comparatorSource(null, SortMode.MIN))));
assertThat(topDocs.totalHits, equalTo(8));
assertThat(topDocs.scoreDocs.length, equalTo(8));
assertThat(topDocs.scoreDocs[0].doc, equalTo(7));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[0]).fields[0]).utf8ToString(), equalTo("!08"));
assertThat(topDocs.scoreDocs[1].doc, equalTo(0));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[1]).fields[0]).utf8ToString(), equalTo("02"));
assertThat(topDocs.scoreDocs[2].doc, equalTo(2));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[2]).fields[0]).utf8ToString(), equalTo("03"));
assertThat(topDocs.scoreDocs[3].doc, equalTo(3));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[3]).fields[0]).utf8ToString(), equalTo("04"));
assertThat(topDocs.scoreDocs[4].doc, equalTo(4));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[4]).fields[0]).utf8ToString(), equalTo("06"));
assertThat(topDocs.scoreDocs[5].doc, equalTo(6));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[5]).fields[0]).utf8ToString(), equalTo("08"));
assertThat(topDocs.scoreDocs[6].doc, equalTo(1));
assertThat((BytesRef) ((FieldDoc) topDocs.scoreDocs[6]).fields[0], equalTo(BytesRefFieldComparatorSource.MAX_TERM));
assertThat(topDocs.scoreDocs[7].doc, equalTo(5));
assertThat((BytesRef) ((FieldDoc) topDocs.scoreDocs[7]).fields[0], equalTo(BytesRefFieldComparatorSource.MAX_TERM));
topDocs = searcher.search(new MatchAllDocsQuery(), 10,
new Sort(new SortField("value", indexFieldData.comparatorSource(null, SortMode.MAX), true)));
assertThat(topDocs.totalHits, equalTo(8));
assertThat(topDocs.scoreDocs.length, equalTo(8));
assertThat(topDocs.scoreDocs[0].doc, equalTo(6));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[0]).fields[0]).utf8ToString(), equalTo("10"));
assertThat(topDocs.scoreDocs[1].doc, equalTo(4));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[1]).fields[0]).utf8ToString(), equalTo("08"));
assertThat(topDocs.scoreDocs[2].doc, equalTo(3));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[2]).fields[0]).utf8ToString(), equalTo("06"));
assertThat(topDocs.scoreDocs[3].doc, equalTo(0));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[3]).fields[0]).utf8ToString(), equalTo("04"));
assertThat(topDocs.scoreDocs[4].doc, equalTo(2));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[4]).fields[0]).utf8ToString(), equalTo("03"));
assertThat(topDocs.scoreDocs[5].doc, equalTo(7));
assertThat(((BytesRef) ((FieldDoc) topDocs.scoreDocs[5]).fields[0]).utf8ToString(), equalTo("!10"));
assertThat(topDocs.scoreDocs[6].doc, equalTo(1));
assertThat(((FieldDoc) topDocs.scoreDocs[6]).fields[0], equalTo(null));
assertThat(topDocs.scoreDocs[7].doc, equalTo(5));
assertThat(((FieldDoc) topDocs.scoreDocs[7]).fields[0], equalTo(null));
}
protected abstract void fillExtendedMvSet() throws Exception;
}
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