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Merge pull request #115 from Doha2012/master 

add spring jpa specifications test
This commit is contained in:
Eugen 2015-01-18 17:18:48 +02:00
parent c4def2db3f 88bd851199
commit 92e593c2b4
6 changed files with 174 additions and 18 deletions
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2
spring-jpa/src/main/java/org/baeldung/config/PersistenceJPAConfig.java
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@ -12,6 +12,7 @@ import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.PropertySource;
import org.springframework.core.env.Environment;
import org.springframework.dao.annotation.PersistenceExceptionTranslationPostProcessor;
import org.springframework.data.jpa.repository.config.EnableJpaRepositories;
import org.springframework.jdbc.datasource.DriverManagerDataSource;
import org.springframework.orm.jpa.JpaTransactionManager;
import org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean;
@ -25,6 +26,7 @@ import com.google.common.base.Preconditions;
@EnableTransactionManagement
@PropertySource({ "classpath:persistence-mysql.properties" })
@ComponentScan({ "org.baeldung.persistence" })
@EnableJpaRepositories(basePackages = "org.baeldung.persistence.dao")
public class PersistenceJPAConfig {
@Autowired

9
spring-jpa/src/main/java/org/baeldung/persistence/dao/UserRepository.java Normal file
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@ -0,0 +1,9 @@
package org.baeldung.persistence.dao;
import org.baeldung.persistence.model.User;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.jpa.repository.JpaSpecificationExecutor;
public interface UserRepository extends JpaRepository<User, Long>, JpaSpecificationExecutor<User> {
}

45
spring-jpa/src/main/java/org/baeldung/persistence/dao/UserSpecifications.java Normal file
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@ -0,0 +1,45 @@
package org.baeldung.persistence.dao;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Predicate;
import javax.persistence.criteria.Root;
import org.baeldung.persistence.model.User;
import org.baeldung.persistence.model.User_;
import org.springframework.data.jpa.domain.Specification;
public class UserSpecifications {
public static Specification<User> firstNameIsLike(final String term) {
return new Specification<User>() {
@Override
public Predicate toPredicate(final Root<User> root, final CriteriaQuery<?> query, final CriteriaBuilder cb) {
return cb.like(root.get(User_.firstName), "%"+term+"%");
}
};
}
public static Specification<User> lastNameIsLike(final String term) {
return new Specification<User>() {
@Override
public Predicate toPredicate(final Root<User> root, final CriteriaQuery<?> query, final CriteriaBuilder cb) {
return cb.like(root.get(User_.lastName), "%" + term + "%");
}
};
}
public static Specification<User> ageIsGreaterThan(final int minAge) {
return new Specification<User>() {
@Override
public Predicate toPredicate(final Root<User> root, final CriteriaQuery<?> query, final CriteriaBuilder cb) {
return cb.greaterThanOrEqualTo(root.get(User_.age), minAge);
}
};
}
}

11
spring-jpa/src/main/java/org/baeldung/persistence/model/User_.java Normal file
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@ -0,0 +1,11 @@
package org.baeldung.persistence.model;
import javax.persistence.metamodel.SingularAttribute;
import javax.persistence.metamodel.StaticMetamodel;
@StaticMetamodel(User.class)
public class User_ {
public static volatile SingularAttribute<User, String> firstName;
public static volatile SingularAttribute<User, String> lastName;
public static volatile SingularAttribute<User, Integer> age;
}

36
spring-jpa/src/test/java/org/baeldung/persistence/query/JPACriteriaQueryTest.java
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@ -26,25 +26,25 @@ public class JPACriteriaQueryTest {
@Autowired
private UserService userService;
private User user_john;
private User userJohn;
private User user_tom;
private User userTom;
@Before
public void init() {
user_john = new User();
user_john.setFirstName("John");
user_john.setLastName("Doe");
user_john.setEmail("john@doe.com");
user_john.setAge(22);
userService.saveUser(user_john);
userJohn = new User();
userJohn.setFirstName("John");
userJohn.setLastName("Doe");
userJohn.setEmail("john@doe.com");
userJohn.setAge(22);
userService.saveUser(userJohn);
user_tom = new User();
user_tom.setFirstName("Tom");
user_tom.setLastName("Doe");
user_tom.setEmail("tom@doe.com");
user_tom.setAge(26);
userService.saveUser(user_tom);
userTom = new User();
userTom.setFirstName("Tom");
userTom.setLastName("Doe");
userTom.setEmail("tom@doe.com");
userTom.setAge(26);
userService.saveUser(userTom);
}
@Test
@ -52,7 +52,7 @@ public class JPACriteriaQueryTest {
final List<User> result = userService.searchUser("John", "Doe", 0);
assertEquals(1, result.size());
assertEquals(user_john.getEmail(), result.get(0).getEmail());
assertEquals(userJohn.getEmail(), result.get(0).getEmail());
}
@Test
@ -66,7 +66,7 @@ public class JPACriteriaQueryTest {
final List<User> result = userService.searchUser("", "doe", 25);
assertEquals(1, result.size());
assertEquals(user_tom.getEmail(), result.get(0).getEmail());
assertEquals(userTom.getEmail(), result.get(0).getEmail());
}
@Test
@ -76,10 +76,10 @@ public class JPACriteriaQueryTest {
}
@Test
public void givenPartialFirstAndLast_whenGettingListOfUsers_thenCorrect() {
public void givenPartialFirst_whenGettingListOfUsers_thenCorrect() {
final List<User> result = userService.searchUser("jo", "", 0);
assertEquals(1, result.size());
assertEquals(user_john.getEmail(), result.get(0).getEmail());
assertEquals(userJohn.getEmail(), result.get(0).getEmail());
}
}

89
spring-jpa/src/test/java/org/baeldung/persistence/query/JPASpecificationsTest.java Normal file
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@ -0,0 +1,89 @@
package org.baeldung.persistence.query;
import static org.baeldung.persistence.dao.UserSpecifications.ageIsGreaterThan;
import static org.baeldung.persistence.dao.UserSpecifications.firstNameIsLike;
import static org.baeldung.persistence.dao.UserSpecifications.lastNameIsLike;
import static org.junit.Assert.assertEquals;
import java.util.List;
import org.baeldung.config.PersistenceJPAConfig;
import org.baeldung.persistence.dao.UserRepository;
import org.baeldung.persistence.model.User;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.jpa.domain.Specifications;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.context.support.AnnotationConfigContextLoader;
import org.springframework.test.context.transaction.TransactionConfiguration;
import org.springframework.transaction.annotation.Transactional;
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(classes = { PersistenceJPAConfig.class }, loader = AnnotationConfigContextLoader.class)
@Transactional
@TransactionConfiguration
public class JPASpecificationsTest {
@Autowired
private UserRepository repository;
private User userJohn;
private User userTom;
@Before
public void init() {
userJohn = new User();
userJohn.setFirstName("John");
userJohn.setLastName("Doe");
userJohn.setEmail("john@doe.com");
userJohn.setAge(22);
repository.save(userJohn);
userTom = new User();
userTom.setFirstName("Tom");
userTom.setLastName("Doe");
userTom.setEmail("tom@doe.com");
userTom.setAge(26);
repository.save(userTom);
}
@Test
public void givenLast_whenGettingListOfUsers_thenCorrect() {
final List<User> result = repository.findAll(lastNameIsLike("doe"));
assertEquals(2, result.size());
}
@Test
public void givenFirstAndLastName_whenGettingListOfUsers_thenCorrect() {
final List<User> result = repository.findAll(Specifications.where(lastNameIsLike("doe")).and(firstNameIsLike("john")));
assertEquals(1, result.size());
assertEquals(userJohn.getEmail(), result.get(0).getEmail());
}
@Test
public void givenLastAndAge_whenGettingListOfUsers_thenCorrect() {
final List<User> result = repository.findAll(Specifications.where(lastNameIsLike("doe")).and(ageIsGreaterThan(25)));
assertEquals(1, result.size());
assertEquals(userTom.getEmail(), result.get(0).getEmail());
}
@Test
public void givenWrongFirstAndLast_whenGettingListOfUsers_thenCorrect() {
final List<User> result = repository.findAll(Specifications.where(lastNameIsLike("Adam")).and(firstNameIsLike("Fox")));
assertEquals(0, result.size());
}
@Test
public void givenPartialFirst_whenGettingListOfUsers_thenCorrect() {
final List<User> result = repository.findAll(firstNameIsLike("jo"));
assertEquals(1, result.size());
assertEquals(userJohn.getEmail(), result.get(0).getEmail());
}
}