package org.alfresco.repo.publishing;

import static org.mockito.Matchers.any;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import junit.framework.TestCase;

import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.repository.NodeRef;

/**
 * @author Nick Smith
 * @since 4.0
 */
public class ChannelImplTest extends TestCase
{
    ServiceRegistry serviceRegMock;	
	
    @Override
	protected void setUp() throws Exception {
		super.setUp();
        serviceRegMock = mock(ServiceRegistry.class);
	}

	public void testUpdateStatus() throws Exception
    {
        int maxLength = 30;
        AbstractChannelType channelType = mockChannelType(maxLength);
        
        ChannelHelper helper = mock(ChannelHelper.class);
        when(helper.getChannelProperties(any(NodeRef.class))).thenReturn(null);
        NodeRef node = new NodeRef("test://channel/node");
        
        ChannelImpl channel = new ChannelImpl(serviceRegMock, channelType, node, "Name", helper, null);
        
        String msg = "Here is a message";
        channel.sendStatusUpdate(msg, null);
        verify(channelType).sendStatusUpdate(channel, msg);
    }

    public void testUpdateStatusTruncates() throws Exception
    {
        int maxLength = 30;
        AbstractChannelType channelType = mockChannelType(maxLength);
        
        ChannelHelper helper = mock(ChannelHelper.class);
        when(helper.getChannelProperties(any(NodeRef.class))).thenReturn(null);
        NodeRef node = new NodeRef("test://channel/node");
        
        ChannelImpl channel = new ChannelImpl(serviceRegMock, channelType, node, "Name", helper, null);
        
        String msg = "Here is a much longer message to truncate.";
        String expMsg = msg.substring(0, maxLength);
        channel.sendStatusUpdate(msg, null);
        verify(channelType).sendStatusUpdate(channel, expMsg);
    }
    
    public void testUpdateStatusTruncatesWithUrl() throws Exception
    {
        int maxLength = 30;
        AbstractChannelType channelType = mockChannelType(maxLength);
        
        ChannelHelper helper = mock(ChannelHelper.class);
        when(helper.getChannelProperties(any(NodeRef.class))).thenReturn(null);
        NodeRef node = new NodeRef("test://channel/node");
        
        ChannelImpl channel = new ChannelImpl(serviceRegMock, channelType, node, "Name", helper, null);
        String nodeUrl ="http://foo/bar";
        int endpoint = maxLength - nodeUrl.length();
        
        String msg = "Here is a much longer message to truncate.";
        String expMsg = msg.substring(0, endpoint) + nodeUrl;
        channel.sendStatusUpdate(msg, nodeUrl);
        verify(channelType).sendStatusUpdate(channel, expMsg);
    }
    
    public void testUpdateStatusNoMaxLength() throws Exception
    {
        AbstractChannelType channelType = mockChannelType(0);
        
        ChannelHelper helper = mock(ChannelHelper.class);
        when(helper.getChannelProperties(any(NodeRef.class))).thenReturn(null);
        NodeRef node = new NodeRef("test://channel/node");
        
        ChannelImpl channel = new ChannelImpl(serviceRegMock, channelType, node, "Name", helper, null);
        String nodeUrl ="http://foo/bar";
        
        String msg = "Here is a much longer message to truncate.";
        String expMsg = msg + nodeUrl;
        channel.sendStatusUpdate(msg, nodeUrl);
        verify(channelType).sendStatusUpdate(channel, expMsg);
    }

    private AbstractChannelType mockChannelType(int maxLength)
    {
        AbstractChannelType channelType = mock(AbstractChannelType.class);
        when(channelType.canPublishStatusUpdates()).thenReturn(true);
        when(channelType.getMaximumStatusLength()).thenReturn(maxLength);
        return channelType;
    }
}