org.springframework.context.RefreshedContextAttacherTest.java Source code

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Here is the source code for org.springframework.context.RefreshedContextAttacherTest.java

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/*
 * Copyright 2013 Lyor Goldstein
 * 
 * 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.context;

import java.util.Arrays;
import java.util.concurrent.atomic.AtomicInteger;

import org.apache.commons.lang3.reflect.ExtendedConstructorUtils;
import org.junit.Assert;
import org.junit.FixMethodOrder;
import org.junit.Test;
import org.junit.runners.MethodSorters;
import org.springframework.context.event.ApplicationContextEvent;
import org.springframework.context.event.ContextClosedEvent;
import org.springframework.context.event.ContextRefreshedEvent;
import org.springframework.context.event.ContextStartedEvent;
import org.springframework.context.event.ContextStoppedEvent;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.ExtendedAbstractJUnit4SpringContextTests;

/**
 * @author Lyor G.
 * @since Aug 27, 2013 12:52:01 PM
 */
@ContextConfiguration(locations = {
        "classpath:org/springframework/context/RefreshedContextAttacherTest-context.xml" })
@FixMethodOrder(MethodSorters.NAME_ASCENDING)
public class RefreshedContextAttacherTest extends ExtendedAbstractJUnit4SpringContextTests {
    public RefreshedContextAttacherTest() {
        super();
    }

    @Test
    public void testSingleOnContextInitializedCall() {
        final AtomicInteger counter = new AtomicInteger(0);
        RefreshedContextAttacher attacher = new RefreshedContextAttacher() {
            @Override
            protected void onContextInitialized(ApplicationContext context) {
                super.onContextInitialized(context);
                logger.info("onContextInitialized(" + context.getDisplayName() + ") call count: "
                        + counter.incrementAndGet());
            }
        };
        ContextRefreshedEvent event = new ContextRefreshedEvent(applicationContext);
        for (int index = 1; index <= Byte.SIZE; index++) {
            attacher.onApplicationEvent(event);
            Assert.assertEquals("Mismatched number of calls at index=" + index, 1, counter.get());
        }
    }

    @Test
    public void testOnContextInitializedNotCalledIfNotContextRefreshedEvent() {
        final AtomicInteger counter = new AtomicInteger(0);
        RefreshedContextAttacher attacher = new RefreshedContextAttacher() {
            @Override
            protected void onContextInitialized(ApplicationContext context) {
                super.onContextInitialized(context);
                logger.info("onContextInitialized(" + context.getDisplayName() + ") call count: "
                        + counter.incrementAndGet());
            }
        };
        Object[] args = { applicationContext };
        Class<?>[] parameterTypes = { ApplicationContext.class };
        for (Class<? extends ApplicationContextEvent> eventClass : Arrays.asList(ContextClosedEvent.class,
                ContextStartedEvent.class, ContextStoppedEvent.class)) {
            ApplicationContextEvent event = ExtendedConstructorUtils.newInstance(eventClass, args, parameterTypes);
            attacher.onApplicationEvent(event);
            Assert.assertEquals("Mismatched number of calls at for " + eventClass.getSimpleName(), 0,
                    counter.get());
        }
    }

}