JmsEventHandlerTest.java

package uk.co.acuminous.julez.event.handler;

import static org.junit.Assert.assertEquals;

import java.util.List;

import javax.jms.JMSException;
import javax.jms.QueueConnectionFactory;
import javax.jms.TextMessage;

import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import uk.co.acuminous.julez.event.Event;
import uk.co.acuminous.julez.marshalling.json.JsonEventTranslator;
import uk.co.acuminous.julez.runner.ScenarioRunnerEvent;
import uk.co.acuminous.julez.runner.ScenarioRunnerEventFactory;
import uk.co.acuminous.julez.scenario.ScenarioEvent;
import uk.co.acuminous.julez.scenario.ScenarioEventFactory;
import uk.co.acuminous.julez.test.JmsTestUtils;
import uk.co.acuminous.julez.util.JmsHelper;

public class JmsEventHandlerTest {

    private QueueConnectionFactory connectionFactory;
    private JsonEventTranslator marshaller;

    @Before
    public void init() throws Exception {                
        JmsTestUtils.createBroker();
        connectionFactory = JmsTestUtils.getConnectionFactory(); 
        marshaller = new JsonEventTranslator();        
    }
    
    @After
    public void nuke() throws Exception {
        JmsTestUtils.nukeBroker();
    }
    
    @Test
    public void scenarioEventsAreWrittenToTheQueue() throws JMSException, InterruptedException {             
        JmsEventHandler jmsSender = new JmsEventHandler(connectionFactory, marshaller);        
        ScenarioEvent expected = new ScenarioEventFactory().fail();
        jmsSender.onEvent(expected);                
        assertEquals(expected, dequeue());
    }
        
    @Test
    public void scenarioRunnerEventsAreWrittenToTheQueue() throws Exception { 
        JmsEventHandler jmsSender = new JmsEventHandler(connectionFactory, marshaller);        
        ScenarioRunnerEvent expected = new ScenarioRunnerEventFactory().begin();
        jmsSender.onEvent(expected);                
        assertEquals(expected, dequeue());     
    }

    private Event dequeue() throws JMSException {
        List<TextMessage> messages = JmsHelper.browseMessages(connectionFactory, JmsEventHandler.DEFAULT_QUEUE_NAME);
        return marshaller.unmarshall(messages.get(0).getText());
    }        
}