/**

 * Copyright (C) 2008 Wideplay Interactive.

 *

 * 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.wideplay.warp.persist.jpa;



import com.google.inject.AbstractModule;

import com.google.inject.Guice;

import com.google.inject.Injector;

import com.google.inject.matcher.Matchers;

import com.wideplay.warp.persist.PersistenceService;

import com.wideplay.warp.persist.UnitOfWork;

import com.wideplay.warp.persist.WorkManager;

import org.testng.annotations.AfterClass;

import org.testng.annotations.AfterTest;

import org.testng.annotations.BeforeTest;

import org.testng.annotations.Test;



import javax.persistence.EntityManager;

import javax.persistence.EntityManagerFactory;



/**

 * Created by IntelliJ IDEA.

 * User: Dhanji R. Prasanna (dhanji@gmail.com)

 * Date: 1/06/2007

 * Time: 11:40:36

 * <p/>

 * TODO: Describe me!

 *

 * @author Dhanji R. Prasanna (dhanji@gmail.com)

 * @since 1.0

 */

@Test(suiteName = "jpa")

public class EntityManagerFactoryProvisionTest {

    private Injector injector;



    @BeforeTest

    public void pre() {

        injector = Guice.createInjector(PersistenceService.usingJpa()

            .across(UnitOfWork.TRANSACTION)



            .forAll(Matchers.any())

            .buildModule(),

                new AbstractModule() {



                    protected void configure() {

                        //tell Warp the name of the jpa persistence unit

                        bindConstant().annotatedWith(JpaUnit.class).to("testUnit");

                    }

                });

    }



    @AfterTest public final void post() {

        injector.getInstance(WorkManager.class).endWork();

    }



    @AfterClass

    public final void postClass() {

        injector.getInstance(EntityManagerFactory.class).close();

    }



    @Test

    public void testSessionCreateOnInjection() {

        

        assert injector.getInstance(JpaPersistenceService.class).equals(injector.getInstance(JpaPersistenceService.class)) : "SINGLETON VIOLATION " + JpaPersistenceService.class.getName() ;



        //startup persistence

        injector.getInstance(PersistenceService.class)

                .start();



        //obtain em

        assert injector.getInstance(EntityManager.class).isOpen() : "EM is not open!";

    }

}