/*
* Copyright 2016-2017 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;
import static org.hamcrest.Matchers.*;
import static org.junit.Assert.*;
import lombok.EqualsAndHashCode;
import lombok.ToString;
import java.net.UnknownHostException;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.springframework.data.annotation.Id;
import org.springframework.data.domain.Example;
import org.springframework.data.domain.ExampleMatcher;
import org.springframework.data.mongodb.core.mapping.Document;
import org.springframework.data.mongodb.core.mapping.Field;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import com.mongodb.MongoClient;
/**
* Integration tests for Query-by-example.
*
* @author Christoph Strobl
* @author Mark Paluch
* @author Oliver Gierke
*/
public class QueryByExampleTests {
MongoOperations operations;
Person p1, p2, p3;
@Before
public void setUp() throws UnknownHostException {
operations = new MongoTemplate(new MongoClient(), "query-by-example");
operations.remove(new Query(), Person.class);
p1 = new Person();
p1.firstname = "bran";
p1.middlename = "a";
p1.lastname = "stark";
p2 = new Person();
p2.firstname = "jon";
p2.lastname = "snow";
p3 = new Person();
p3.firstname = "arya";
p3.lastname = "stark";
operations.save(p1);
operations.save(p2);
operations.save(p3);
}
@Test // DATAMONGO-1245
public void findByExampleShouldWorkForSimpleProperty() {
Person sample = new Person();
sample.lastname = "stark";
Query query = new Query(new Criteria().alike(Example.of(sample)));
List<Person> result = operations.find(query, Person.class);
assertThat(result, hasSize(2));
assertThat(result, hasItems(p1, p3));
}
@Test // DATAMONGO-1245
public void findByExampleShouldWorkForMultipleProperties() {
Person sample = new Person();
sample.lastname = "stark";
sample.firstname = "arya";
Query query = new Query(new Criteria().alike(Example.of(sample)));
List<Person> result = operations.find(query, Person.class);
assertThat(result, hasSize(1));
assertThat(result, hasItem(p3));
}
@Test // DATAMONGO-1245
public void findByExampleShouldWorkForIdProperty() {
Person p4 = new Person();
operations.save(p4);
Person sample = new Person();
sample.id = p4.id;
Query query = new Query(new Criteria().alike(Example.of(sample)));
List<Person> result = operations.find(query, Person.class);
assertThat(result, hasSize(1));
assertThat(result, hasItem(p4));
}
@Test // DATAMONGO-1245
public void findByExampleShouldReturnEmptyListIfNotMatching() {
Person sample = new Person();
sample.firstname = "jon";
sample.firstname = "stark";
Query query = new Query(new Criteria().alike(Example.of(sample)));
List<Person> result = operations.find(query, Person.class);
assertThat(result, is(empty()));
}
@Test // DATAMONGO-1245
public void findByExampleShouldReturnEverythingWhenSampleIsEmpty() {
Person sample = new Person();
Query query = new Query(new Criteria().alike(Example.of(sample)));
List<Person> result = operations.find(query, Person.class);
assertThat(result, hasSize(3));
assertThat(result, hasItems(p1, p2, p3));
}
@Test // DATAMONGO-1245
public void findByExampleWithCriteria() {
Person sample = new Person();
sample.lastname = "stark";
Query query = new Query(new Criteria().alike(Example.of(sample)).and("firstname").regex("^ary*"));
List<Person> result = operations.find(query, Person.class);
assertThat(result.size(), is(1));
}
@Test // DATAMONGO-1459
public void findsExampleUsingAnyMatch() {
Person probe = new Person();
probe.lastname = "snow";
probe.middlename = "a";
Query query = Query.query(Criteria.byExample(Example.of(probe, ExampleMatcher.matchingAny())));
List<Person> result = operations.find(query, Person.class);
assertThat(result, hasSize(2));
assertThat(result, hasItems(p1, p2));
}
@Document(collection = "dramatis-personae")
@EqualsAndHashCode
@ToString
static class Person {
@Id String id;
String firstname, middlename;
@Field("last_name") String lastname;
}
}