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* 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.search.sort;
import org.apache.lucene.search.SortField;
import org.elasticsearch.common.xcontent.XContentParser;
import org.elasticsearch.common.xcontent.json.JsonXContent;
import org.elasticsearch.index.query.QueryParseContext;
import org.elasticsearch.search.DocValueFormat;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
public class FieldSortBuilderTests extends AbstractSortTestCase<FieldSortBuilder> {
@Override
protected FieldSortBuilder createTestItem() {
return randomFieldSortBuilder();
}
private List<Object> missingContent = Arrays.asList(
"_last",
"_first",
Integer.toString(randomInt()),
randomInt());
public FieldSortBuilder randomFieldSortBuilder() {
String fieldName = rarely() ? FieldSortBuilder.DOC_FIELD_NAME : randomAlphaOfLengthBetween(1, 10);
FieldSortBuilder builder = new FieldSortBuilder(fieldName);
if (randomBoolean()) {
builder.order(randomFrom(SortOrder.values()));
}
if (randomBoolean()) {
builder.missing(randomFrom(missingContent));
}
if (randomBoolean()) {
builder.unmappedType(randomAlphaOfLengthBetween(1, 10));
}
if (randomBoolean()) {
builder.sortMode(randomFrom(SortMode.values()));
}
if (randomBoolean()) {
builder.setNestedFilter(randomNestedFilter());
}
if (randomBoolean()) {
builder.setNestedPath(randomAlphaOfLengthBetween(1, 10));
}
return builder;
}
@Override
protected FieldSortBuilder mutate(FieldSortBuilder original) throws IOException {
FieldSortBuilder mutated = new FieldSortBuilder(original);
int parameter = randomIntBetween(0, 5);
switch (parameter) {
case 0:
mutated.setNestedPath(randomValueOtherThan(
original.getNestedPath(),
() -> randomAlphaOfLengthBetween(1, 10)));
break;
case 1:
mutated.setNestedFilter(randomValueOtherThan(
original.getNestedFilter(),
() -> randomNestedFilter()));
break;
case 2:
mutated.sortMode(randomValueOtherThan(original.sortMode(), () -> randomFrom(SortMode.values())));
break;
case 3:
mutated.unmappedType(randomValueOtherThan(
original.unmappedType(),
() -> randomAlphaOfLengthBetween(1, 10)));
break;
case 4:
mutated.missing(randomValueOtherThan(original.missing(), () -> randomFrom(missingContent)));
break;
case 5:
mutated.order(randomValueOtherThan(original.order(), () -> randomFrom(SortOrder.values())));
break;
default:
throw new IllegalStateException("Unsupported mutation.");
}
return mutated;
}
@Override
protected void sortFieldAssertions(FieldSortBuilder builder, SortField sortField, DocValueFormat format) throws IOException {
SortField.Type expectedType;
if (builder.getFieldName().equals(FieldSortBuilder.DOC_FIELD_NAME)) {
expectedType = SortField.Type.DOC;
} else {
expectedType = SortField.Type.CUSTOM;
}
assertEquals(expectedType, sortField.getType());
assertEquals(builder.order() == SortOrder.ASC ? false : true, sortField.getReverse());
if (expectedType == SortField.Type.CUSTOM) {
assertEquals(builder.getFieldName(), sortField.getField());
}
assertEquals(DocValueFormat.RAW, format);
}
public void testReverseOptionFails() throws IOException {
String json = "{ \"post_date\" : {\"reverse\" : true} },\n";
XContentParser parser = createParser(JsonXContent.jsonXContent, json);
// need to skip until parser is located on second START_OBJECT
parser.nextToken();
parser.nextToken();
parser.nextToken();
QueryParseContext context = new QueryParseContext(parser);
try {
FieldSortBuilder.fromXContent(context, "");
fail("adding reverse sorting option should fail with an exception");
} catch (IllegalArgumentException e) {
// all good
}
}
@Override
protected FieldSortBuilder fromXContent(QueryParseContext context, String fieldName) throws IOException {
return FieldSortBuilder.fromXContent(context, fieldName);
}
}