AppEngineContextTest.java

package org.bitbucket.dwursteisen.stripes;

import com.google.appengine.tools.development.testing.LocalDatastoreServiceTestConfig;
import com.google.appengine.tools.development.testing.LocalServiceTestHelper;
import org.bitbucket.dwursteisen.model.Pics;
import org.bitbucket.dwursteisen.model.Spot;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;

import static org.junit.Assert.assertEquals;

/**
 * User: david
 * Date: 9 déc. 2010
 * Time: 00:20:05
 */
public class AppEngineContextTest {

    private final LocalServiceTestHelper helper = new LocalServiceTestHelper(new LocalDatastoreServiceTestConfig());

    private ApplicationContext context;

    @Before
    public void setUp() throws Exception {
        helper.setUp();

        context = new ApplicationContext();
    }

    @After
    public void tearDown() throws Exception {
        helper.tearDown();
    }

    @Test
    public void testPersit() {

        Spot newSpot = new Spot();
        newSpot.setName("newSpot");

        Pics newPics = new Pics();
        newPics.setComment("newPicsComment");
        newSpot.setPics(newPics);

        // the persist method start a transaction, call persist on the EM, then commit the transaction (or rollback it if an error occur)
        context.persist(newSpot);


        Spot dbSpot = context.list(Spot.class).get(0);
        assertEquals("newSpot", dbSpot.getName());
        assertEquals("newPicsComment", dbSpot.getPics().getComment());

        Pics newDbPics = new Pics();
        newDbPics.setComment("newDbPics");
        dbSpot.setPics(newDbPics);
        
        context.persist(dbSpot);


        Spot newDbSpot = context.list(Spot.class).get(0);
        assertEquals("newSpot", newDbSpot.getName());
        assertEquals("newDbPics", newDbSpot.getPics().getComment());


    }
}