/*
* 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.DBObject;
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 java.util.List;
import java.util.Map;
import static org.assertj.core.api.Assertions.assertThat;
public class FindPartialFieldTest extends JongoTestCase {
private MongoCollection collection;
private Friend friend;
@Before
public void setUp() throws Exception {
collection = createEmptyCollection("friends");
friend = new Friend("John", "22 Wall Street Avenue");
}
@After
public void tearDown() throws Exception {
dropCollection("friends");
}
@Test
public void canFind() throws Exception {
/* given */
collection.save(friend);
/* when */
collection.find("{name:'John'}").projection("{name:1}").map(new AssertionResultHandler());
}
@Test
public void canFindWithProjectionParams() throws Exception {
/* given */
collection.save(friend);
/* when */
collection.find("{name:'John'}").projection("{name:#}", 1).map(new AssertionResultHandler());
}
@Test
public void canFindWithComplexProjection() throws Exception {
/* given */
collection.insert("{subElements: [{ name: \"foo\"},{ name: \"bar\"}]}");
/* when */
Iterator<Map> maps = collection.find().projection("{ subElements: {$elemMatch: {name: #} } }", "bar").as(Map.class);
Map map = maps.next();
assertThat(map.get("subElements")).isNotNull();
List subElements = ((List) map.get("subElements"));
assertThat(subElements).hasSize(1);
}
@Test
public void canFindOne() throws Exception {
/* given */
collection.save(friend);
/* when */
Boolean result = collection.findOne("{name:'John'}").projection("{name:1}").map(new AssertionResultHandler());
assertThat(result).isTrue();
}
@Test
public void canFindOneWithProjectionParams() throws Exception {
/* given */
collection.save(friend);
/* when */
Boolean result = collection.findOne("{name:'John'}").projection("{name:#}", 1).map(new AssertionResultHandler());
assertThat(result).isTrue();
}
@Test
public void canFindOneWithComplexProjection() throws Exception {
/* given */
collection.insert("{subElements: [{ name: \"foo\"},{ name: \"bar\"}]}");
/* when */
Map map = collection.findOne().projection("{ subElements: {$elemMatch: {name: #} } }", "bar").as(Map.class);
assertThat(map).isNotNull();
assertThat(map.get("subElements")).isNotNull();
List subElements = ((List) map.get("subElements"));
assertThat(subElements).hasSize(1);
}
@Test
public void shouldIgnoreNullProjection() throws Exception {
/* given */
collection.save(friend);
/* when */
Friend result = collection.findOne("{name:'John'}").projection(null).as(Friend.class);
assertThat(friend.getName()).isEqualTo("John");
assertThat(friend.getAddress()).isEqualTo("22 Wall Street Avenue");
}
private static class AssertionResultHandler implements ResultHandler<Boolean> {
public Boolean map(DBObject result) {
assertThat(result.containsField("address")).isFalse();
assertThat(result.containsField("name")).isTrue();
return true;
}
}
}