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JoinTest.java
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JoinTest.java
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/**
* Copyright © 2019, Wen Hao <wenhao@126.com>.
* <p>
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
* <p>
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
* <p>
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package com.github.wenhao.jpa.integration;
import com.github.wenhao.jpa.Specifications;
import com.github.wenhao.jpa.builder.PersonBuilder;
import com.github.wenhao.jpa.model.Person;
import com.github.wenhao.jpa.model.Phone;
import com.github.wenhao.jpa.repository.PersonRepository;
import com.github.wenhao.jpa.repository.PhoneRepository;
import org.apache.commons.lang3.StringUtils;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.jupiter.api.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.data.jpa.domain.Specification;
import java.util.List;
import java.util.Set;
@DataJpaTest
public class JoinTest {
@Autowired
private PersonRepository personRepository;
@Autowired
private PhoneRepository phoneRepository;
@Test
public void should_be_able_to_find_by_using_many_to_one_query() {
// given
Person jack = new PersonBuilder()
.name("Jack")
.age(18)
.phone("iPhone", "139000000000")
.phone("HuaWei", "13600000000")
.phone("HuaWei", "18000000000")
.phone("Samsung", "13600000000")
.build();
Set<Phone> jackPhones = jack.getPhones();
for (Phone phone : jackPhones) {
phone.setPerson(jack);
}
personRepository.save(jack);
// when
Specification<Phone> specification = Specifications.<Phone>and()
.eq("brand", "HuaWei")
.eq(StringUtils.isNotBlank(jack.getName()), "person.name", jack.getName())
.build();
List<Phone> phones = phoneRepository.findAll(specification);
// then
assertThat(phones.size()).isEqualTo(2);
}
@Test
public void should_be_able_to_find_by_using_many_to_many_query() {
// given
Person jack = new PersonBuilder()
.name("Jack")
.age(18)
.address("Sichuan", 3)
.address("Sichuan", 5)
.address("Chengdu", 4)
.address("Zhonghe", 7)
.build();
Person eric = new PersonBuilder()
.name("Eric")
.age(20)
.address("GaoXin", 8)
.address("Tianfu", 9)
.address("Chengdu", 4)
.build();
Person alex = new PersonBuilder()
.name("Alex")
.age(30)
.address("HuaYang", 1)
.address("NeiJiang", 2)
.build();
personRepository.save(jack);
personRepository.save(eric);
personRepository.save(alex);
// when
Specification<Person> specification = Specifications.<Person>and()
.between("age", 10, 35)
.eq("addresses.street", "Chengdu")
.build();
List<Person> phones = personRepository.findAll(specification);
// then
assertThat(phones.size()).isEqualTo(2);
}
}