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Mockrunner is a lightweight framework for unit testing applications in the J2EE environment. It supports servlets, filters, tag classes and Struts actions. It includes a JDBC a JMS and a JCA test framework and can be used to test EJB based applications.

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package com.mockrunner.test.connector;

import javax.resource.ResourceException;

import com.mockrunner.connector.GenericFailureInteraction;
import com.mockrunner.connector.InteractionHandler;

import junit.framework.TestCase;

public class GenericFailureInteractionTest extends TestCase
{
    private InteractionHandler interactionHandler;

    protected void setUp() throws Exception
    {
        interactionHandler = new InteractionHandler();
    }

    protected void tearDown() throws Exception
    {
        interactionHandler = null;
    }
    
    public void testEnableAndDisable() throws Exception
    {
        GenericFailureInteraction interaction = new GenericFailureInteraction();
        assertTrue(interaction.canHandle(null, null, null));
        interaction.disable();
        assertFalse(interaction.canHandle(null, null, null));
        interaction.enable();
        assertTrue(interaction.canHandle(null, null, null));
        interactionHandler.addImplementor(interaction);
        try
        {
            interactionHandler.execute(null, null);
            fail();
        } 
        catch(ResourceException exc)
        {
            //expected exception
        }
        interaction.disable();
        interactionHandler.execute(null, null, null);
    }
    
    public void testThrowsException() throws Exception
    {
        GenericFailureInteraction interaction = new GenericFailureInteraction();
        interactionHandler.addImplementor(interaction);
        try
        {
            interactionHandler.execute(null, null, null);
            fail();
        } 
        catch(ResourceException exc)
        {
            //expected exception
        }
        interaction.setThrowException(false);
        assertFalse(interactionHandler.execute(null, null, null));
        assertNull(interactionHandler.execute(null, null));
        interaction.setThrowException(true);
        try
        {
            interactionHandler.execute(null, null);
            fail();
        } 
        catch(ResourceException exc)
        {
            //expected exception
        }
    }
    
    public void testExceptionType() throws Exception
    {
        ResourceException setExc = new ResourceException();
        Exception nested = new Exception();
        setExc.setLinkedException(nested);
        GenericFailureInteraction interaction = new GenericFailureInteraction(true, setExc);
        interactionHandler.addImplementor(interaction);
        try
        {
            interactionHandler.execute(null, null, null);
            fail();
        } 
        catch(ResourceException exc)
        {
            assertSame(setExc, exc);
            assertSame(nested, exc.getLinkedException());
        }
    }
}