/**
 * Licensed to Apereo under one or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information regarding copyright ownership. Apereo
 * licenses this file to you 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 the
 * following location:
 *
 * <p>http://www.apache.org/licenses/LICENSE-2.0
 *
 * <p>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.apereo.portal.aop;

import static org.junit.Assert.assertEquals;

import java.lang.reflect.Method;
import javax.annotation.Resource;
import org.aopalliance.aop.Advice;
import org.aspectj.lang.ProceedingJoinPoint;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.aop.aspectj.AspectJAroundAdvice;
import org.springframework.aop.aspectj.AspectJExpressionPointcut;
import org.springframework.aop.aspectj.SingletonAspectInstanceFactory;
import org.springframework.aop.aspectj.annotation.AspectJProxyFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.util.ReflectionUtils;

@RunWith(SpringJUnit4ClassRunner.class)
@ContextConfiguration(locations = "classpath:aopTestContext.xml")
public class AspectJExpressionTest {
    @Autowired private TestAspect testAspect;

    @Autowired private RepositoryPointcutInterface repositoryPointcutInterface;

    @Autowired private CountingMethodInterceptor countingMethodInterceptor;

    @Resource(name = "allExecutions")
    private AspectJExpressionPointcut repositoryPointcutInterfaceExecutionPointcut;

    @Resource(name = "countingMethodInterceptorRepositoryAdvice")
    private Advice countingMethodInterceptorRepositoryAdvice;

    @Before
    public void setup() {
        testAspect.resetCallCount();
        countingMethodInterceptor.resetCount();
    }

    @Test
    public void testRepositoryPointcut() {
        assertEquals(0, testAspect.getCallCount());
        final String r1 = this.repositoryPointcutInterface.methodOne("test");
        assertEquals(1, testAspect.getCallCount());
        final String r2 = this.repositoryPointcutInterface.methodTwo("test");
        assertEquals(2, testAspect.getCallCount());
    }

    @Test
    public void testSpringAopPointcut() {
        assertEquals(0, countingMethodInterceptor.getCount());
        this.repositoryPointcutInterface.methodOne("test");
        assertEquals(1, countingMethodInterceptor.getCount());
        this.repositoryPointcutInterface.methodOne("test");
        assertEquals(2, countingMethodInterceptor.getCount());
    }

    @Test
    public void testProgramaticPointcut() {
        final RepositoryPointcutInterface targetPointcutInterface =
                new RepositoryPointcutInterfaceImpl();

        final AspectJProxyFactory portletPreferencesProxyFactory =
                new AspectJProxyFactory(targetPointcutInterface);

        final Method interceptorMethod =
                ReflectionUtils.findMethod(
                        CountingMethodInterceptor.class,
                        "countInvocation",
                        ProceedingJoinPoint.class);
        final AspectJAroundAdvice aspectJAroundAdvice =
                new AspectJAroundAdvice(
                        interceptorMethod,
                        repositoryPointcutInterfaceExecutionPointcut,
                        new SingletonAspectInstanceFactory(this.countingMethodInterceptor));

        portletPreferencesProxyFactory.addAdvice(aspectJAroundAdvice);

        final RepositoryPointcutInterface proxiedPointcutInterface =
                (RepositoryPointcutInterface) portletPreferencesProxyFactory.getProxy();

        assertEquals(0, countingMethodInterceptor.getCount());
        proxiedPointcutInterface.methodOne("test");
        assertEquals(1, countingMethodInterceptor.getCount());
        proxiedPointcutInterface.methodOne("test");
        assertEquals(2, countingMethodInterceptor.getCount());
    }

    @Test
    public void testProgramaticPointcut2() {
        final RepositoryPointcutInterface targetPointcutInterface =
                new RepositoryPointcutInterfaceImpl();

        final AspectJProxyFactory portletPreferencesProxyFactory =
                new AspectJProxyFactory(targetPointcutInterface);
        portletPreferencesProxyFactory.addAdvice(countingMethodInterceptorRepositoryAdvice);
        final RepositoryPointcutInterface proxiedPointcutInterface =
                (RepositoryPointcutInterface) portletPreferencesProxyFactory.getProxy();

        assertEquals(0, countingMethodInterceptor.getCount());
        proxiedPointcutInterface.methodOne("test");
        assertEquals(1, countingMethodInterceptor.getCount());
        proxiedPointcutInterface.methodOne("test");
        assertEquals(2, countingMethodInterceptor.getCount());
    }
}