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JoinTest.java
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JoinTest.java
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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 org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
import org.springframework.data.domain.Range;
import org.springframework.data.jpa.domain.Specification;
import org.springframework.test.context.junit4.SpringRunner;
import java.util.List;
import java.util.Set;
import static org.assertj.core.api.Assertions.assertThat;
@RunWith(SpringRunner.class)
@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", new Range<Integer>(10, 35))
.eq("addresses.street", "Chengdu")
.build();
List<Person> phones = personRepository.findAll(specification);
// then
assertThat(phones.size()).isEqualTo(2);
}
}