add spring querydsl test

This commit is contained in:
DOHA 2015-01-23 21:40:09 +02:00
parent 5bfbea1fff
commit 9adc48b9ea
10 changed files with 371 additions and 0 deletions

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@ -6,6 +6,7 @@
<attribute name="maven.pomderived" value="true"/>
</attributes>
</classpathentry>
<classpathentry kind="src" path="target/generated-sources/java"/>
<classpathentry excluding="**" kind="src" output="target/classes" path="src/main/resources">
<attributes>
<attribute name="maven.pomderived" value="true"/>

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@ -4,6 +4,7 @@
<wb-resource deploy-path="/" source-path="/src/main/webapp" tag="defaultRootSource"/>
<wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/java"/>
<wb-resource deploy-path="/WEB-INF/classes" source-path="/src/main/resources"/>
<wb-resource deploy-path="/WEB-INF/classes" source-path="/target/generated-sources/java"/>
<property name="context-root" value="spring-security-rest-full"/>
<property name="java-output-path" value="/spring-security-rest-full/target/classes"/>
</wb-module>

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@ -77,6 +77,26 @@
<version>${org.springframework.version}</version>
</dependency>
<!-- Querydsl -->
<dependency>
<groupId>com.mysema.querydsl</groupId>
<artifactId>querydsl-core</artifactId>
<version>3.6.0</version>
</dependency>
<dependency>
<groupId>com.mysema.querydsl</groupId>
<artifactId>querydsl-apt</artifactId>
<version>3.6.0</version>
</dependency>
<dependency>
<groupId>com.mysema.querydsl</groupId>
<artifactId>querydsl-jpa</artifactId>
<version>3.6.0</version>
</dependency>
<!-- web -->
<dependency>
@ -307,6 +327,25 @@
</configuration>
</plugin>
<!-- Querydsl -->
<plugin>
<groupId>com.mysema.maven</groupId>
<artifactId>apt-maven-plugin</artifactId>
<version>1.1.3</version>
<executions>
<execution>
<goals>
<goal>process</goal>
</goals>
<configuration>
<outputDirectory>target/generated-sources/java</outputDirectory>
<processor>com.mysema.query.apt.jpa.JPAAnnotationProcessor</processor>
</configuration>
</execution>
</executions>
</plugin>
</plugins>
</build>

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@ -0,0 +1,23 @@
package org.baeldung.persistence.dao;
import org.baeldung.persistence.model.QMyUser;
import com.mysema.query.types.expr.BooleanExpression;
public class MyUserPrdicates {
public static BooleanExpression firstNameIsLike(final String term) {
final QMyUser user = QMyUser.myUser;
return user.firstName.containsIgnoreCase(term);
}
public static BooleanExpression lastNameIsLike(final String term) {
final QMyUser user = QMyUser.myUser;
return user.lastName.containsIgnoreCase(term);
}
public static BooleanExpression ageIsGreaterThan(final int minAge) {
final QMyUser user = QMyUser.myUser;
return user.age.goe(minAge);
}
}

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@ -0,0 +1,43 @@
package org.baeldung.persistence.dao;
import static org.baeldung.persistence.dao.MyUserPrdicates.ageIsGreaterThan;
import static org.baeldung.persistence.dao.MyUserPrdicates.firstNameIsLike;
import static org.baeldung.persistence.dao.MyUserPrdicates.lastNameIsLike;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import com.mysema.query.types.expr.BooleanExpression;
public class MyUserPredicatesBuilder {
public static BooleanExpression buildUserPredicates(final Map<String, Object> params) {
if (params.size() == 0)
return null;
final List<BooleanExpression> predicates = new ArrayList<BooleanExpression>();
String key, value;
for (final Map.Entry<String, Object> param : params.entrySet()) {
key = param.getKey();
value = param.getValue().toString();
if (key.equalsIgnoreCase("age")) {
predicates.add(ageIsGreaterThan(Integer.parseInt(value)));
} else if (key.equalsIgnoreCase("firstName")) {
predicates.add(firstNameIsLike(value));
} else if (key.equalsIgnoreCase("lastName")) {
predicates.add(lastNameIsLike(value));
}
}
if (predicates.size() == 0)
return null;
BooleanExpression result = predicates.get(0);
for (int i = 1; i < predicates.size(); i++) {
result = result.and(predicates.get(i));
}
return result;
}
}

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@ -0,0 +1,9 @@
package org.baeldung.persistence.dao;
import org.baeldung.persistence.model.MyUser;
import org.springframework.data.jpa.repository.JpaRepository;
import org.springframework.data.querydsl.QueryDslPredicateExecutor;
public interface MyUserRepository extends JpaRepository<MyUser, Long>, QueryDslPredicateExecutor<MyUser> {
}

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@ -0,0 +1,97 @@
package org.baeldung.persistence.model;
import javax.persistence.Entity;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Id;
// used for Querydsl test
@Entity
public class MyUser {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String firstName;
private String lastName;
private String email;
private int age;
public MyUser() {
super();
}
public Long getId() {
return id;
}
public void setId(final Long id) {
this.id = id;
}
public String getFirstName() {
return firstName;
}
public void setFirstName(final String firstName) {
this.firstName = firstName;
}
public String getLastName() {
return lastName;
}
public void setLastName(final String lastName) {
this.lastName = lastName;
}
public String getEmail() {
return email;
}
public void setEmail(final String username) {
email = username;
}
public int getAge() {
return age;
}
public void setAge(final int age) {
this.age = age;
}
@Override
public int hashCode() {
final int prime = 31;
int result = 1;
result = prime * result + ((email == null) ? 0 : email.hashCode());
return result;
}
@Override
public boolean equals(final Object obj) {
if (this == obj)
return true;
if (obj == null)
return false;
if (getClass() != obj.getClass())
return false;
final MyUser user = (MyUser) obj;
if (!email.equals(user.email))
return false;
return true;
}
@Override
public String toString() {
final StringBuilder builder = new StringBuilder();
builder.append("MyUser [firstName=").append(firstName).append("]").append("[lastName=").append(lastName).append("]").append("[username").append(email).append("]");
return builder.toString();
}
}

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@ -0,0 +1,36 @@
package org.baeldung.persistence.service.impl;
import java.util.Map;
import org.baeldung.persistence.dao.MyUserPredicatesBuilder;
import org.baeldung.persistence.dao.MyUserRepository;
import org.baeldung.persistence.model.MyUser;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import com.mysema.query.types.expr.BooleanExpression;
@Service
@Transactional
public class MyUserService {
@Autowired
private MyUserRepository repository;
public MyUserService() {
super();
}
public Iterable<MyUser> search(final Map<String, Object> params) {
final BooleanExpression predicate = MyUserPredicatesBuilder.buildUserPredicates(params);
if (predicate == null)
return repository.findAll();
return repository.findAll(predicate);
}
public void save(final MyUser user) {
repository.save(user);
}
}

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@ -6,7 +6,9 @@ import java.util.Map;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.baeldung.persistence.model.MyUser;
import org.baeldung.persistence.model.User;
import org.baeldung.persistence.service.impl.MyUserService;
import org.baeldung.persistence.service.impl.UserService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
@ -21,6 +23,9 @@ public class UserController {
@Autowired
private UserService service;
@Autowired
private MyUserService myService;
public UserController() {
super();
}
@ -55,6 +60,21 @@ public class UserController {
return service.searchBySpecification(params);
}
@RequestMapping(method = RequestMethod.GET, value = "/myusers")
@ResponseBody
public Iterable<MyUser> findAllByQuerydsl(@RequestParam(value = "search", required = false) final String search) {
final Map<String, Object> params = new HashMap<String, Object>();
if (search != null) {
final Pattern pattern = Pattern.compile("(\\w+?):(\\w+?),");
final Matcher matcher = pattern.matcher(search + ",");
while (matcher.find()) {
params.put(matcher.group(1), matcher.group(2));
}
}
return myService.search(params);
}
@RequestMapping(method = RequestMethod.GET, value = "/users/new")
@ResponseBody
public long addUser(@RequestParam("first") final String first, @RequestParam("last") final String last, @RequestParam("age") final int age) {
@ -66,4 +86,16 @@ public class UserController {
service.saveUser(user);
return user.getId();
}
@RequestMapping(method = RequestMethod.GET, value = "/myusers/new")
@ResponseBody
public long addMyUser(@RequestParam("first") final String first, @RequestParam("last") final String last, @RequestParam("age") final int age) {
final MyUser user = new MyUser();
user.setFirstName(first);
user.setLastName(last);
user.setEmail("john@doe.com");
user.setAge(age);
myService.save(user);
return user.getId();
}
}

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@ -0,0 +1,90 @@
package org.baeldung.persistence.query;
import static org.baeldung.persistence.dao.MyUserPrdicates.ageIsGreaterThan;
import static org.baeldung.persistence.dao.MyUserPrdicates.firstNameIsLike;
import static org.baeldung.persistence.dao.MyUserPrdicates.lastNameIsLike;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.collection.IsEmptyIterable.emptyIterable;
import static org.hamcrest.collection.IsIterableContainingInAnyOrder.containsInAnyOrder;
import static org.hamcrest.collection.IsIterableContainingInOrder.contains;
import static org.hamcrest.core.IsNot.not;
import org.baeldung.persistence.dao.MyUserRepository;
import org.baeldung.persistence.model.MyUser;
import org.baeldung.spring.PersistenceConfig;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.beans.factory.annotation.Autowired;
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 = { PersistenceConfig.class }, loader = AnnotationConfigContextLoader.class)
@Transactional
@TransactionConfiguration
public class JPAQuerydslTest {
@Autowired
private MyUserRepository repository;
private MyUser userJohn;
private MyUser userTom;
@Before
public void init() {
userJohn = new MyUser();
userJohn.setFirstName("John");
userJohn.setLastName("Doe");
userJohn.setEmail("john@doe.com");
userJohn.setAge(22);
repository.save(userJohn);
userTom = new MyUser();
userTom.setFirstName("Tom");
userTom.setLastName("Doe");
userTom.setEmail("tom@doe.com");
userTom.setAge(26);
repository.save(userTom);
}
@Test
public void givenLast_whenGettingListOfUsers_thenCorrect() {
final Iterable<MyUser> result = repository.findAll(lastNameIsLike("doe"));
assertThat(result, containsInAnyOrder(userJohn, userTom));
}
@Test
public void givenFirstAndLastName_whenGettingListOfUsers_thenCorrect() {
final Iterable<MyUser> result = repository.findAll(lastNameIsLike("doe").and(firstNameIsLike("john")));
assertThat(result, contains(userJohn));
assertThat(result, not(contains(userTom)));
}
@Test
public void givenLastAndAge_whenGettingListOfUsers_thenCorrect() {
final Iterable<MyUser> result = repository.findAll(lastNameIsLike("doe").and(ageIsGreaterThan(25)));
assertThat(result, contains(userTom));
assertThat(result, not(contains(userJohn)));
}
@Test
public void givenWrongFirstAndLast_whenGettingListOfUsers_thenCorrect() {
final Iterable<MyUser> result = repository.findAll(lastNameIsLike("Adam").and(firstNameIsLike("Fox")));
assertThat(result, emptyIterable());
}
@Test
public void givenPartialFirst_whenGettingListOfUsers_thenCorrect() {
final Iterable<MyUser> result = repository.findAll(firstNameIsLike("jo"));
assertThat(result, contains(userJohn));
assertThat(result, not(contains(userTom)));
}
}