/* * Copyright 2010-2017 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). * You may not use this file except in compliance with the License. * A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file 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.amazon.photosharing.dao; import com.amazon.photosharing.listener.Persistence; import org.testng.Assert; import org.testng.annotations.Test; import javax.persistence.EntityManager; import javax.persistence.Query; import java.util.ArrayList; import java.util.List; public class CommentTest { private void checkComment(Comment _comment) { Assert.assertEquals(_comment.getText(), "mycomment"); } @Test public void testCRUD() { boolean error = false; EntityManager _em; try { _em = Persistence.createEntityManager(); Comment comment = new Comment(); comment.setText("mycomment"); _em.getTransaction().begin(); _em.persist(comment); _em.getTransaction().commit(); Query query = _em.createQuery("select c from Comment c where c.text='mycomment'"); Comment retComment = (Comment)query.getSingleResult(); checkComment(retComment); _em.getTransaction().begin(); _em.remove(retComment); _em.getTransaction().commit(); } catch (Exception exc) { error = true; exc.printStackTrace(); } Assert.assertFalse(error); error = false; try { _em = Persistence.createEntityManager(); Query query = _em.createQuery("select c from Comment c where c.text='mycomment'"); Comment retComment = (Comment)query.getSingleResult(); } catch (javax.persistence.NoResultException e) { error = true; } Assert.assertTrue(error); } }