/*
* Copyright (C) 2011 Benoit GUEROUT <bguerout at gmail dot com> and Yves AMSELLEM <amsellem dot yves at gmail dot com>
*
* 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.jongo;
import org.jongo.model.Friend;
import org.jongo.util.JongoTestCase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import java.util.Iterator;
import static org.assertj.core.api.Assertions.assertThat;
public class FindSkipSortLimitTest extends JongoTestCase {
private MongoCollection collection;
@Before
public void setUp() throws Exception {
collection = createEmptyCollection("friends");
}
@After
public void tearDown() throws Exception {
dropCollection("friends");
}
public Friend newFriend() {
return new Friend("John", "22 Wall Street Avenue");
}
@Test
public void canLimit() throws Exception {
/* given */
collection.save(newFriend());
collection.save(newFriend());
collection.save(newFriend());
/* when */
Iterable<Friend> results = collection.find().limit(2).as(Friend.class);
/* then */
assertThat(results).hasSize(2);
}
@Test
public void canSkip() throws Exception {
/* given */
collection.save(newFriend());
collection.save(newFriend());
collection.save(newFriend());
/* when */
Iterable<Friend> results = collection.find().skip(2).as(Friend.class);
/* then */
assertThat(results).hasSize(1);
}
@Test
public void canSort() throws Exception {
/* given */
collection.save(new Friend("John", "23 Wall Street Av."));
collection.save(new Friend("John", "21 Wall Street Av."));
collection.save(new Friend("John", "22 Wall Street Av."));
/* when */
Iterator<Friend> results = collection.find("{}").sort("{'address':1}").as(Friend.class);
/* then */
assertThat(results.next().getAddress()).isEqualTo("21 Wall Street Av.");
assertThat(results.next().getAddress()).isEqualTo("22 Wall Street Av.");
assertThat(results.next().getAddress()).isEqualTo("23 Wall Street Av.");
assertThat(results.hasNext()).isFalse();
}
}