/*
* 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 com.mongodb.ReadPreference;
import org.jongo.model.Friend;
import org.jongo.util.JongoTestCase;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
public class CountTest 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 canCount() throws Exception {
/* given */
collection.save(newFriend());
collection.save(newFriend());
/* then */
assertThat(collection.count()).isEqualTo(2);
}
@Test
public void canCountWithQuery() throws Exception {
/* given */
collection.save(newFriend());
collection.save(newFriend());
/* then */
assertThat(collection.count("{name:{$exists:true}}")).isEqualTo(2);
}
@Test
public void canCountWithParameters() throws Exception {
/* given */
collection.save(newFriend());
collection.save(new Friend("Peter", "22 Wall Street Avenue"));
/* then */
assertThat(collection.count("{name:#}", "Peter")).isEqualTo(1);
}
@Test
public void canCountWithReadPreference() throws Exception {
/* given */
collection.save(newFriend());
collection.save(newFriend());
/* then */
assertThat(collection.withReadPreference(ReadPreference.primaryPreferred()).count()).isEqualTo(2);
// warning: we cannot check that ReadPreference is really used by driver, this unit test only checks the API
}
}