com.ryantenney.metrics.spring.ProxyTargetClassTest.java Source code

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Here is the source code for com.ryantenney.metrics.spring.ProxyTargetClassTest.java

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/*
 * Copyright 2012 Ryan W Tenney (http://ryan.10e.us)
 *            and Martello Technologies (http://martellotech.com)
 *
 * 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 com.ryantenney.metrics.spring;

import org.junit.Assert;
import org.junit.Test;
import org.springframework.beans.factory.BeanCreationException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.support.ClassPathXmlApplicationContext;

import com.codahale.metrics.annotation.Timed;

/**
 * Purpose of test:
 * Tests `proxy-target-class` option in `<metrics:annotation-driven />`
 */
public class ProxyTargetClassTest {

    @Test(expected = BeanCreationException.class)
    public void negativeContextLoadingTest() {
        ClassPathXmlApplicationContext ctx = null;
        try {
            ctx = new ClassPathXmlApplicationContext("classpath:proxy-target-class-disabled.xml");
            Assert.fail();
        } finally {
            if (ctx != null) {
                ctx.close();
            }
        }
    }

    @Test
    public void positiveContextLoadingTest() {
        ClassPathXmlApplicationContext ctx = null;
        try {
            ctx = new ClassPathXmlApplicationContext("classpath:proxy-target-class-enabled.xml");
            Assert.assertNotNull("Expected to be able to get ProxyTargetClass by class.",
                    ctx.getBean(ProxyTargetClass.class));
            Assert.assertNotNull("Expected to be able to get ProxyTargetClass from AutowiredCollaborator.",
                    ctx.getBean(AutowiredCollaborator.class).getDependency());
        } finally {
            if (ctx != null) {
                ctx.close();
            }
        }
    }

    /**
     * Empty interface to trick Spring.
     */
    public interface UselessInterface {
    }

    public static class ProxyTargetClass implements UselessInterface {

        @Timed
        public void timed() {
        }

    }

    public static class AutowiredCollaborator {

        @Autowired
        private ProxyTargetClass dependency;

        public ProxyTargetClass getDependency() {
            return dependency;
        }

    }

}