com.springsource.open.foo.async.AbstractAsynchronousMessageTriggerTests.java Source code

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Here is the source code for com.springsource.open.foo.async.AbstractAsynchronousMessageTriggerTests.java

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/*
 * Copyright 2006-2007 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 com.springsource.open.foo.async;

import static org.junit.Assert.assertTrue;

import java.util.ArrayList;
import java.util.List;

import javax.sql.DataSource;

import org.junit.After;
import org.junit.Before;
import org.junit.runner.RunWith;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.boot.test.context.SpringBootTest;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.Lifecycle;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.test.context.junit4.SpringRunner;

import com.springsource.open.foo.Handler;

@RunWith(SpringRunner.class)
@SpringBootTest
public abstract class AbstractAsynchronousMessageTriggerTests implements ApplicationContextAware {

    @Autowired
    protected RabbitTemplate jmsTemplate;

    @Autowired
    private Handler handler;

    protected JdbcTemplate jdbcTemplate;

    private Lifecycle lifecycle;

    @Autowired
    public void setDataSource(@Qualifier("dataSource") DataSource dataSource) {
        this.jdbcTemplate = new JdbcTemplate(dataSource);
    }

    public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
        this.lifecycle = (Lifecycle) applicationContext;
    }

    @Before
    public void clearData() {
        // Start the listeners...
        lifecycle.start();
        getMessages(); // drain queue
        handler.resetItemCount();
        jdbcTemplate.update("delete from T_FOOS");
    }

    @After
    public void waitForMessages() throws Exception {

        int count = 0;
        while (handler.getItemCount() < 2 && (count++) < 30) {
            Thread.sleep(100);
        }
        // Stop the listeners...
        lifecycle.stop();
        // Give it time to finish up...
        Thread.sleep(2000);
        assertTrue("Wrong item count: " + handler.getItemCount(), handler.getItemCount() >= 2);

        checkPostConditions();

    }

    protected abstract void checkPostConditions();

    protected List<String> getMessages() {
        String next = "";
        List<String> msgs = new ArrayList<String>();
        while (next != null) {
            next = (String) jmsTemplate.receiveAndConvert("async");
            if (next != null)
                msgs.add(next);
        }
        return msgs;
    }

}