TvShowTest.java

/**
 *  Copyright 2011 Colin Alworth
 * 
 *  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.acme.gwt.data;

import java.util.concurrent.Callable;

import javax.persistence.EntityManager;

import junit.framework.Assert;

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

import com.acme.gwt.server.AuthenticatedViewerProvider.SessionProvider;
import com.acme.gwt.server.TvGuideServiceModule;
import com.acme.gwt.server.simple.SingletonSessionProvider;
import com.google.inject.AbstractModule;
import com.google.inject.Guice;
import com.google.inject.Injector;
import com.google.inject.persist.PersistService;
import com.google.inject.persist.jpa.JpaPersistModule;

/**
 * @author colin
 *
 */
public class TvShowTest {
	private static final Injector i = Guice.createInjector(
			new TvGuideServiceModule(), new TestModule(), new JpaPersistModule(
					"tvgtest"));
	static class TestModule extends AbstractModule {
		@Override
		protected void configure() {
			bind(SessionProvider.class).to(SingletonSessionProvider.class);
		}
	}
	@BeforeClass
	public static void setup() {
		i.getInstance(PersistService.class).start();
	}

	@Before
	public void startWorkUnit() {
		i.getInstance(EntityManager.class).getTransaction().begin();
	}

	@Test
	public void saveCallableTest() throws Exception {
		TvShow s = new TvShow();
		s.setName("asdf");

		Callable<TvShow> call = i.getInstance(TvSetupCallFactory.class)
				.saveShow(s);

		TvShow saved = call.call();

		Assert.assertNotNull(saved.getId());
		Assert.assertEquals("asdf", saved.getName());

		TvShow retrieved = i.getInstance(EntityManager.class).find(
				TvShow.class, saved.getId());

		Assert.assertNotNull(retrieved.getId());
		Assert.assertEquals("asdf", retrieved.getName());
	}

	@After
	public void endWorkUnit() {
		i.getInstance(EntityManager.class).getTransaction().rollback();
	}

	@AfterClass
	public static void teardown() {
		i.getInstance(PersistService.class).stop();
	}
}