/*
* Copyright 2013 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.data.jpa.domain;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import static org.springframework.data.jpa.domain.JpaSort.*;
import javax.persistence.EntityManagerFactory;
import javax.persistence.metamodel.Attribute;
import javax.persistence.metamodel.PluralAttribute;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.data.domain.Sort;
import org.springframework.data.domain.Sort.Direction;
import org.springframework.data.jpa.domain.sample.Address_;
import org.springframework.data.jpa.domain.sample.MailMessage_;
import org.springframework.data.jpa.domain.sample.MailSender_;
import org.springframework.data.jpa.domain.sample.User_;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
/**
* Integration tests for {@link JpaSort}. This has to be an integration test due to the design of the statically
* generated meta-model classes. The properties cannot be referred to statically (quite a surprise, as they're static)
* but only after they've been enhanced by the persistence provider. This requires an {@link EntityManagerFactory} to be
* bootstrapped.
*
* @see DATAJPA-12
* @author Thomas Darimont
* @author Oliver Gierke
*/
@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration("classpath:infrastructure.xml")
public class JpaSortTests {
private static final Attribute<?, ?> NULL_ATTRIBUTE = null;
private static final Attribute<?, ?>[] EMPTY_ATTRIBUTES = new Attribute<?, ?>[0];
private static final PluralAttribute<?, ?, ?> NULL_PLURAL_ATTRIBUTE = null;
private static final PluralAttribute<?, ?, ?>[] EMPTY_PLURAL_ATTRIBUTES = new PluralAttribute<?, ?, ?>[0];
@Test(expected = IllegalArgumentException.class)
public void rejectsNullAttribute() {
new JpaSort(NULL_ATTRIBUTE);
}
@Test(expected = IllegalArgumentException.class)
public void rejectsEmptyAttributes() {
new JpaSort(EMPTY_ATTRIBUTES);
}
@Test(expected = IllegalArgumentException.class)
public void rejectsNullPluralAttribute() {
new JpaSort(NULL_PLURAL_ATTRIBUTE);
}
@Test(expected = IllegalArgumentException.class)
public void rejectsEmptyPluralAttributes() {
new JpaSort(EMPTY_PLURAL_ATTRIBUTES);
}
@Test
public void sortBySinglePropertyWithDefaultSortDirection() {
assertThat(new JpaSort(path(User_.firstname)), hasItems(new Sort.Order("firstname")));
}
@Test
public void sortByMultiplePropertiesWithDefaultSortDirection() {
assertThat(new JpaSort(User_.firstname, User_.lastname),
hasItems(new Sort.Order("firstname"), new Sort.Order("lastname")));
}
@Test
public void sortByMultiplePropertiesWithDescSortDirection() {
assertThat(new JpaSort(Direction.DESC, User_.firstname, User_.lastname),
hasItems(new Sort.Order(Direction.DESC, "firstname"), new Sort.Order(Direction.DESC, "lastname")));
}
@Test
public void combiningSortByMultipleProperties() {
assertThat(new JpaSort(User_.firstname).and(new JpaSort(User_.lastname)),
hasItems(new Sort.Order("firstname"), new Sort.Order("lastname")));
}
@Test
public void combiningSortByMultiplePropertiesWithDifferentSort() {
assertThat(new JpaSort(User_.firstname).and(new JpaSort(Direction.DESC, User_.lastname)),
hasItems(new Sort.Order("firstname"), new Sort.Order(Direction.DESC, "lastname")));
}
@Test
public void combiningSortByNestedEmbeddedProperty() {
assertThat(new JpaSort(path(User_.address).dot(Address_.streetName)),
hasItems(new Sort.Order("address.streetName")));
}
@Test
public void buildJpaSortFromJpaMetaModelSingleAttribute() {
assertThat(new JpaSort(Direction.ASC, path(User_.firstname)), //
hasItems(new Sort.Order("firstname")));
}
@Test
public void buildJpaSortFromJpaMetaModelNestedAttribute() {
assertThat(new JpaSort(Direction.ASC, path(MailMessage_.mailSender).dot(MailSender_.name)),
hasItems(new Sort.Order("mailSender.name")));
}
}