/*
* Copyright 2013-2016 the original author or authors.
*
* Licensed 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.springframework.data.mongodb.core.aggregation;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.springframework.data.mongodb.core.DocumentTestUtils.*;
import org.bson.Document;
import org.junit.Test;
import org.springframework.data.domain.Sort;
import org.springframework.data.domain.Sort.Direction;
/**
* Unit tests for {@link SortOperation}.
*
* @author Oliver Gierke
* @author Mark Paluch
*/
public class SortOperationUnitTests {
@Test
public void createsDocumentForAscendingSortCorrectly() {
SortOperation operation = new SortOperation(Sort.by(Direction.ASC, "foobar"));
Document result = operation.toDocument(Aggregation.DEFAULT_CONTEXT);
Document sortValue = getAsDocument(result, "$sort");
assertThat(sortValue, is(notNullValue()));
assertThat(sortValue.get("foobar"), is((Object) 1));
}
@Test
public void createsDocumentForDescendingSortCorrectly() {
SortOperation operation = new SortOperation(Sort.by(Direction.DESC, "foobar"));
Document result = operation.toDocument(Aggregation.DEFAULT_CONTEXT);
Document sortValue = getAsDocument(result, "$sort");
assertThat(sortValue, is(notNullValue()));
assertThat(sortValue.get("foobar"), is((Object) (0 - 1)));
}
}