BAEL-2839 Added code samples (#6916)
This commit is contained in:
Erhan Karakaya
maibin
parent
a905fe2fa5
commit
d783aba7dc
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package com.baeldung.derivedquery.entity;
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import javax.persistence.Entity;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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import javax.persistence.Table;
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import java.time.ZonedDateTime;
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@Table(name = "users")
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@Entity
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public class User {
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@Id
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@GeneratedValue
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private Integer id;
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private String name;
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private Integer age;
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private ZonedDateTime birthDate;
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private Boolean active;
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public User() {
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}
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public User(String name, Integer age, ZonedDateTime birthDate, Boolean active) {
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this.name = name;
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this.age = age;
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this.birthDate = birthDate;
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this.active = active;
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}
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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public Integer getAge() {
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return age;
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}
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public void setAge(Integer age) {
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this.age = age;
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}
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public ZonedDateTime getBirthDate() {
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return birthDate;
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}
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public void setBirthDate(ZonedDateTime birthDate) {
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this.birthDate = birthDate;
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}
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public Boolean getActive() {
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return active;
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}
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public void setActive(Boolean active) {
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this.active = active;
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}
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}
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package com.baeldung.derivedquery.repository;
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import com.baeldung.derivedquery.entity.User;
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import org.springframework.data.jpa.repository.JpaRepository;
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import java.time.ZonedDateTime;
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import java.util.Collection;
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import java.util.List;
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public interface UserRepository extends JpaRepository<User, Integer> {
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List<User> findByName(String name);
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List<User> findByNameIs(String name);
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List<User> findByNameEquals(String name);
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List<User> findByNameIsNull();
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List<User> findByNameNot(String name);
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List<User> findByNameIsNot(String name);
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List<User> findByNameStartingWith(String name);
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List<User> findByNameEndingWith(String name);
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List<User> findByNameContaining(String name);
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List<User> findByNameLike(String name);
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List<User> findByAgeLessThan(Integer age);
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List<User> findByAgeLessThanEqual(Integer age);
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List<User> findByAgeGreaterThan(Integer age);
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List<User> findByAgeGreaterThanEqual(Integer age);
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List<User> findByAgeBetween(Integer startAge, Integer endAge);
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List<User> findByBirthDateAfter(ZonedDateTime birthDate);
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List<User> findByBirthDateBefore(ZonedDateTime birthDate);
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List<User> findByActiveTrue();
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List<User> findByActiveFalse();
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List<User> findByAgeIn(Collection<Integer> ages);
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List<User> findByNameOrBirthDate(String name, ZonedDateTime birthDate);
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List<User> findByNameOrBirthDateAndActive(String name, ZonedDateTime birthDate, Boolean active);
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List<User> findByNameOrderByName(String name);
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List<User> findByNameOrderByNameDesc(String name);
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}
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@ -0,0 +1,172 @@
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package com.baeldung.derivedquery.repository;
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import com.baeldung.Application;
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import com.baeldung.derivedquery.entity.User;
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import com.baeldung.derivedquery.repository.UserRepository;
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import java.time.ZonedDateTime;
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import java.util.Arrays;
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import java.util.List;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.Test;
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import org.junit.runner.RunWith;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.test.context.SpringBootTest;
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import org.springframework.test.context.junit4.SpringRunner;
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import static org.junit.Assert.assertEquals;
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@RunWith(SpringRunner.class)
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@SpringBootTest(classes = Application.class)
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public class UserRepositoryTest {
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private static final String USER_NAME_ADAM = "Adam";
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private static final String USER_NAME_EVE = "Eve";
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private static final ZonedDateTime BIRTHDATE = ZonedDateTime.now();
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@Autowired
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private UserRepository userRepository;
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@Before
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public void setUp() {
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User user1 = new User(USER_NAME_ADAM, 25, BIRTHDATE, true);
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User user2 = new User(USER_NAME_ADAM, 20, BIRTHDATE, false);
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User user3 = new User(USER_NAME_EVE, 20, BIRTHDATE, true);
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User user4 = new User(null, 30, BIRTHDATE, false);
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userRepository.saveAll(Arrays.asList(user1, user2, user3, user4));
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}
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@After
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public void tearDown() {
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userRepository.deleteAll();
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}
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@Test
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public void whenFindByName_thenReturnsCorrectResult() {
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assertEquals(2, userRepository.findByName(USER_NAME_ADAM).size());
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}
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@Test
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public void whenFindByNameIsNull_thenReturnsCorrectResult() {
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assertEquals(1, userRepository.findByNameIsNull().size());
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}
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@Test
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public void whenFindByNameNot_thenReturnsCorrectResult() {
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assertEquals(USER_NAME_EVE, userRepository.findByNameNot(USER_NAME_ADAM).get(0).getName());
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}
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@Test
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public void whenFindByNameStartingWith_thenReturnsCorrectResult() {
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assertEquals(2, userRepository.findByNameStartingWith("A").size());
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}
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@Test
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public void whenFindByNameEndingWith_thenReturnsCorrectResult() {
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assertEquals(1, userRepository.findByNameEndingWith("e").size());
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}
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@Test
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public void whenByNameContaining_thenReturnsCorrectResult() {
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assertEquals(1, userRepository.findByNameContaining("v").size());
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}
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@Test
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public void whenByNameLike_thenReturnsCorrectResult() {
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assertEquals(2, userRepository.findByNameEndingWith("%d%m").size());
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}
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@Test
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public void whenByAgeLessThan_thenReturnsCorrectResult() {
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assertEquals(2, userRepository.findByAgeLessThan(25).size());
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}
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@Test
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public void whenByAgeLessThanEqual_thenReturnsCorrectResult() {
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assertEquals(3, userRepository.findByAgeLessThanEqual(25).size());
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}
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@Test
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public void whenByAgeGreaterThan_thenReturnsCorrectResult() {
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assertEquals(1, userRepository.findByAgeGreaterThan(25).size());
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}
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@Test
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public void whenByAgeGreaterThanEqual_thenReturnsCorrectResult() {
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assertEquals(2, userRepository.findByAgeGreaterThanEqual(25).size());
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}
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@Test
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public void whenByAgeBetween_thenReturnsCorrectResult() {
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assertEquals(4, userRepository.findByAgeBetween(20, 30).size());
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}
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@Test
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public void whenByBirthDateAfter_thenReturnsCorrectResult() {
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final ZonedDateTime yesterday = BIRTHDATE.minusDays(1);
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assertEquals(4, userRepository.findByBirthDateAfter(yesterday).size());
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}
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@Test
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public void whenByBirthDateBefore_thenReturnsCorrectResult() {
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final ZonedDateTime yesterday = BIRTHDATE.minusDays(1);
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assertEquals(0, userRepository.findByBirthDateBefore(yesterday).size());
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}
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@Test
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public void whenByActiveTrue_thenReturnsCorrectResult() {
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assertEquals(2, userRepository.findByActiveTrue().size());
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}
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@Test
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public void whenByActiveFalse_thenReturnsCorrectResult() {
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assertEquals(2, userRepository.findByActiveFalse().size());
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}
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@Test
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public void whenByAgeIn_thenReturnsCorrectResult() {
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final List<Integer> ages = Arrays.asList(20, 25);
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assertEquals(3, userRepository.findByAgeIn(ages).size());
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}
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@Test
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public void whenByNameOrBirthDate() {
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assertEquals(4, userRepository.findByNameOrBirthDate(USER_NAME_ADAM, BIRTHDATE).size());
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}
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@Test
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public void whenByNameOrBirthDateAndActive() {
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assertEquals(3, userRepository.findByNameOrBirthDateAndActive(USER_NAME_ADAM, BIRTHDATE, false).size());
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}
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@Test
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public void whenByNameOrderByName() {
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assertEquals(2, userRepository.findByNameOrderByName(USER_NAME_ADAM).size());
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}
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}
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