com.github.snd297.hibernateequals.model.EqualsTest.java Source code

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Here is the source code for com.github.snd297.hibernateequals.model.EqualsTest.java

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/*
 * Copyright 2013 Sam Donnelly
 *
 * 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.github.snd297.hibernateequals.model;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

import org.hibernate.Session;
import org.hibernate.Transaction;
import org.hibernate.proxy.HibernateProxy;
import org.junit.BeforeClass;
import org.junit.Test;

import com.github.snd297.hibernateequals.persistence.HibernateUtil;

public class EqualsTest {

    private static String getClassCarVin;
    private static String brokenEqualsCarVin;
    private static String carVin;

    @BeforeClass
    public static void classSetup() throws Exception {
        Session sess = null;
        Transaction trx = null;
        try {

            sess = HibernateUtil.getSessionFactory().openSession();
            trx = sess.beginTransaction();

            GetClassCar getClassCar = new GetClassCar("H94H878YUIOHFGOH");
            getClassCar.setSomeField("value");
            sess.save(getClassCar);

            BrokenEqualsCar brokenEqualsCar = new BrokenEqualsCar("J398D8305HKDHG");

            sess.save(brokenEqualsCar);

            Car car = new Car("KH08934U508YTUSZ0IDYGOAIH");
            sess.save(car);

            trx.commit();

            getClassCarVin = getClassCar.getVin();
            brokenEqualsCarVin = brokenEqualsCar.getVin();
            carVin = car.getVin();

        } catch (Exception e) {
            HibernateUtil.rollbackQuietly(trx);
            throw e;
        } finally {
            HibernateUtil.closeQuietly(sess);
        }
    }

    @Test
    public void getClassEquals() throws Exception {
        Session sess = null;
        Transaction trx = null;
        try {
            sess = HibernateUtil.getSessionFactory().openSession();
            trx = sess.beginTransaction();

            GetClassCar getClassCar0 = (GetClassCar) sess.bySimpleNaturalId(GetClassCar.class)
                    .getReference(getClassCarVin);
            GetClassCar getClassCar1 = new GetClassCar(getClassCarVin);

            assertTrue(getClassCar0 instanceof HibernateProxy);
            assertFalse(getClassCar1.equals(getClassCar0));
            assertTrue(getClassCar0.equals(getClassCar1));

            trx.commit();
        } catch (Exception e) {
            HibernateUtil.rollbackQuietly(trx);
            throw e;
        } finally {
            HibernateUtil.closeQuietly(sess);
        }
    }

    @Test
    public void brokenEquals() throws Exception {
        Session sess = null;
        Transaction trx = null;
        try {
            sess = HibernateUtil.getSessionFactory().openSession();
            trx = sess.beginTransaction();

            BrokenEqualsCar brokenEqualsCar0 = (BrokenEqualsCar) sess.bySimpleNaturalId(BrokenEqualsCar.class)
                    .getReference(brokenEqualsCarVin);

            BrokenEqualsCar brokenEqualsCar1 = new BrokenEqualsCar(brokenEqualsCarVin);

            assertTrue(brokenEqualsCar0 instanceof HibernateProxy);
            assertFalse(brokenEqualsCar1.equals(brokenEqualsCar0));
            assertTrue(brokenEqualsCar0.equals(brokenEqualsCar1));

            trx.commit();
        } catch (Exception e) {
            HibernateUtil.rollbackQuietly(trx);
            throw e;
        } finally {
            HibernateUtil.closeQuietly(sess);
        }
    }

    @Test
    public void fixedEquals() throws Exception {
        Session sess = null;
        Transaction trx = null;
        try {
            sess = HibernateUtil.getSessionFactory().openSession();
            trx = sess.beginTransaction();

            Car car0 = (Car) sess.bySimpleNaturalId(Car.class).getReference(carVin);

            Car car1 = new Car(carVin);

            assertTrue(car0 instanceof HibernateProxy);
            assertTrue(car1.equals(car0));
            assertTrue(car0.equals(car1));

            trx.commit();
        } catch (Exception e) {
            HibernateUtil.rollbackQuietly(trx);
            throw e;
        } finally {
            HibernateUtil.closeQuietly(sess);
        }
    }
}