/*
* Copyright 2014 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.rest.core.invoke;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
import org.aopalliance.intercept.MethodInterceptor;
import org.aopalliance.intercept.MethodInvocation;
import org.junit.Test;
import org.springframework.aop.framework.ProxyFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.ApplicationContext;
import org.springframework.core.convert.ConversionService;
import org.springframework.data.repository.CrudRepository;
import org.springframework.data.repository.support.Repositories;
import org.springframework.data.rest.core.AbstractIntegrationTests;
import org.springframework.data.rest.core.domain.jpa.Order;
import org.springframework.data.rest.core.domain.jpa.OrderRepository;
import org.springframework.data.rest.core.domain.jpa.Person;
import org.springframework.data.rest.core.domain.jpa.PersonRepository;
import org.springframework.format.support.DefaultFormattingConversionService;
/**
* Intgration tests for {@link CrudRepositoryInvoker}.
*
* @author Oliver Gierke
*/
public class CrudRepositoryInvokerIntegrationTests extends AbstractIntegrationTests {
@Autowired ApplicationContext context;
@Autowired PersonRepository personRepository;
@Autowired OrderRepository orderRepository;
/**
* @see DATAREST-216
*/
@Test
public void invokesRedeclaredSave() {
RepositoryInvoker invoker = getInvokerFor(orderRepository, OrderRepository.class);
Person person = personRepository.findOne(1L);
invoker.invokeSave(new Order(person));
}
/**
* @see DATAREST-216
*/
@Test
public void invokesRedeclaredFindOne() {
Person person = personRepository.findOne(1L);
Order order = orderRepository.save(new Order(person));
RepositoryInvoker invoker = getInvokerFor(orderRepository, OrderRepository.class);
invoker.invokeFindOne(order.getId());
}
/**
* @see DATAREST-216
*/
@Test
public void invokesDeleteOnCrudRepository() {
Person person = personRepository.findOne(1L);
Order order = orderRepository.save(new Order(person));
RepositoryInvoker invoker = getInvokerFor(orderRepository, CrudRepository.class);
invoker.invokeDelete(order.getId());
}
@SuppressWarnings({ "rawtypes", "unchecked" })
private RepositoryInvoker getInvokerFor(Object repository, Class<?> expectedType) {
Object proxy = getVerifyingProxy(repository, expectedType);
Repositories repositories = new Repositories(context);
ConversionService conversionService = new DefaultFormattingConversionService();
return new CrudRepositoryInvoker((CrudRepository) proxy, repositories.getRepositoryInformationFor(Order.class),
conversionService);
}
@SuppressWarnings("unchecked")
private static <T> T getVerifyingProxy(T target, Class<?> expectedType) {
ProxyFactory factory = new ProxyFactory();
factory.setInterfaces(target.getClass().getInterfaces());
factory.setTarget(target);
factory.addAdvice(new VerifyingMethodInterceptor(expectedType));
return (T) factory.getProxy();
}
/**
* {@link MethodInterceptor} to verifiy the invocation was triggered on the given type.
*
* @author Oliver Gierke
*/
@SuppressWarnings("rawtypes")
private static final class VerifyingMethodInterceptor implements MethodInterceptor {
private final Class expectedInvocationTarget;
public VerifyingMethodInterceptor(Class<?> expectedInvocationTarget) {
this.expectedInvocationTarget = expectedInvocationTarget;
}
@Override
public Object invoke(MethodInvocation invocation) throws Throwable {
Class<?> type = invocation.getMethod().getDeclaringClass();
assertThat("Expected method invocation on " + expectedInvocationTarget + " but was invoked on " + type + "!",
type, is(equalTo(expectedInvocationTarget)));
return invocation.proceed();
}
}
}