package org.alfresco.repo.virtual.config;

import java.io.Serializable;

import javax.transaction.UserTransaction;

import junit.framework.TestCase;

import org.alfresco.model.ContentModel;
import org.alfresco.repo.virtual.VirtualizationTest;
import org.alfresco.service.ServiceRegistry;
import org.alfresco.service.cmr.repository.NodeRef;
import org.alfresco.service.cmr.repository.NodeService;
import org.alfresco.service.transaction.TransactionService;
import org.alfresco.util.ApplicationContextHelper;
import org.junit.Test;
import org.springframework.context.ApplicationContext;

public class NodeRefPathExpressionTest extends TestCase implements VirtualizationTest
{
    private static final String NODE_REF_PATH_EXPRESSION_FACTORY_ID = "config.NodeRefPathExpressionFactory";

    protected static final ApplicationContext ctx = ApplicationContextHelper.getApplicationContext(CONFIG_LOCATIONS);

    private UserTransaction txn;

    private ServiceRegistry serviceRegistry;

    private NodeService nodeService;

    private NodeRefPathExpressionFactory nodeRefPathExpressionFactory;

    @Override
    protected void setUp() throws Exception
    {
        super.setUp();

        serviceRegistry = (ServiceRegistry) ctx.getBean("ServiceRegistry");

        nodeService = (NodeService) ctx.getBean("nodeService");

        nodeRefPathExpressionFactory = (NodeRefPathExpressionFactory) ctx.getBean(NODE_REF_PATH_EXPRESSION_FACTORY_ID);

        TransactionService transactionService = serviceRegistry.getTransactionService();

        // start the transaction
        txn = transactionService.getUserTransaction();
        txn.begin();
    }

    @Override
    protected void tearDown() throws Exception
    {
        txn.rollback();
        super.tearDown();
    }

    protected void assertResolvablePath(String path, String toName)
    {
        NodeRefPathExpression pathExpression = nodeRefPathExpressionFactory.createInstance();

        pathExpression.setPath(path);

        NodeRef nodeRef = pathExpression.resolve();
        assertNotNull(nodeRef);
        Serializable theName = nodeService.getProperty(nodeRef,
                                                       ContentModel.PROP_NAME);
        assertEquals("Unexpected name for path " + pathExpression,
                     toName,
                     theName);
    }

    @Test
    public void testResolveNamePath() throws Exception
    {
        assertResolvablePath("/Data Dictionary",
                             "Data Dictionary");
        assertResolvablePath("/Data Dictionary//Messages",
                             "Messages");
        assertResolvablePath("",
                             "Company Home");
        assertResolvablePath("//",
                             "Company Home");
    }

    @Test
    public void testResolveQNamePath() throws Exception
    {
        assertResolvablePath("",
                             "Company Home");
        assertResolvablePath("app:dictionary",
                             "Data Dictionary");
        assertResolvablePath("/app:dictionary/app:messages",
                             "Messages");
    }

    @Test
    public void testNonSingleton() throws Exception
    {
        NodeRefPathExpression spe1 = nodeRefPathExpressionFactory.createInstance();
        NodeRefPathExpression spe2 = nodeRefPathExpressionFactory.createInstance();
        assertNotSame(spe1,
                      spe2);
        spe1.setPath("Data Dictionary");
        spe2.setPath("/Data Dictionary//Messages");
        NodeRef nr = spe1.resolve();
        Serializable theName = nodeService.getProperty(nr,
                                                       ContentModel.PROP_NAME);
        assertEquals("Data Dictionary",
                     theName);
    }
}