/*
 * This is eMonocot, a global online biodiversity information resource.
 *
 * Copyright © 2011–2015 The Board of Trustees of the Royal Botanic Gardens, Kew and The University of Oxford
 *
 * eMonocot is free software: you can redistribute it and/or modify it under the terms of the
 * GNU Affero General Public License as published by the Free Software Foundation, either version 3
 * of the License, or (at your option) any later version.
 *
 * eMonocot is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
 * the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * The complete text of the GNU Affero General Public License is in the source repository as the file
 * ‘COPYING’.  It is also available from <http://www.gnu.org/licenses/>.
 */
package org.emonocot.model;

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

import java.io.Serializable;
import java.util.HashSet;
import java.util.Set;

import org.easymock.EasyMock;
import org.emonocot.model.Annotation;
import org.emonocot.model.Identifiable;
import org.emonocot.model.SecuredObject;
import org.hibernate.engine.PersistenceContext;
import org.hibernate.engine.SessionFactoryImplementor;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.persister.entity.EntityPersister;
import org.hibernate.proxy.HibernateProxy;
import org.hibernate.proxy.pojo.javassist.JavassistProxyFactory;
import org.junit.Before;
import org.junit.Test;

/**
 *
 * @author ben
 *
 */
public class BaseTest {

	/**
	 *
	 */
	private Annotation b1;

	/**
	 *
	 */
	private Annotation b2;

	/**
	 *
	 */
	private Object b3;

	/**
	 *
	 */
	@Before
	public final void setUp() {
		b1 = new Annotation();
		b2 = new Annotation();

	}

	/**
	 * Root Cause of http://build.e-monocot.org/bugzilla/show_bug.cgi?id=262
	 * Unexpected Taxon Exception in DwC Harvesting even though the taxon is
	 * expected. If both identifiers are null (and if both primary keys are
	 * null) equals is false.
	 */
	@Test
	public final void testEqualsWithNullIdentifiers() {
		b2.setIdentifier(null);
		b1.setIdentifier(null);
		assertFalse("Equals should return false", b1.equals(b2));
	}

	/**
	 * Another problem with
	 * http://build.e-monocot.org/bugzilla/show_bug.cgi?id=262 Unexpected Taxon
	 * Exception in DwC Harvesting even though the taxon is expected. Comparing
	 * HibernateProxies with non-proxies means you can't use o1.getClass() ==
	 * o2.getClass().
	 * @throws Exception if there is a problem
	 */
	@Test
	public final void testEqualsWithHibernateProxies() throws Exception {
		b2.setIdentifier("test");
		b2.setId(1L);
		b1.setIdentifier("test");
		b1.setId(1L);
		SessionImplementor sessionImplementor = EasyMock
				.createMock(SessionImplementor.class);
		SessionFactoryImplementor sessionFactoryImplementor = EasyMock
				.createMock(SessionFactoryImplementor.class);
		EntityPersister entityPersister = EasyMock
				.createMock(EntityPersister.class);
		PersistenceContext persistenceContext = EasyMock
				.createMock(PersistenceContext.class);
		EasyMock.expect(sessionImplementor.getFactory())
		.andReturn(sessionFactoryImplementor).anyTimes();
		EasyMock.expect(
				sessionFactoryImplementor.getEntityPersister((String) EasyMock
						.eq("Annotation"))).andReturn(entityPersister)
						.anyTimes();
		EasyMock.expect(sessionImplementor.getPersistenceContext()).andReturn(
				persistenceContext);
		EasyMock.expect(persistenceContext.isDefaultReadOnly())
		.andReturn(Boolean.TRUE).anyTimes();
		EasyMock.expect(entityPersister.isMutable()).andReturn(Boolean.TRUE)
		.anyTimes();
		EasyMock.expect(sessionImplementor.isClosed()).andReturn(Boolean.FALSE)
		.anyTimes();
		EasyMock.expect(sessionImplementor.isOpen()).andReturn(Boolean.TRUE)
		.anyTimes();
		EasyMock.expect(sessionImplementor.isConnected())
		.andReturn(Boolean.TRUE).anyTimes();
		EasyMock.expect(
				sessionImplementor.immediateLoad(EasyMock.eq("Annotation"),
						EasyMock.eq(1L))).andReturn(b2).anyTimes();

		EasyMock.replay(sessionImplementor, sessionFactoryImplementor,
				entityPersister, persistenceContext);

		JavassistProxyFactory javassistProxyFactory = new JavassistProxyFactory();
		Set interfaces = new HashSet();
		interfaces.add(HibernateProxy.class);
		interfaces.add(Serializable.class);
		interfaces.add(Identifiable.class);
		interfaces.add(SecuredObject.class);

		javassistProxyFactory.postInstantiate("Annotation", Annotation.class,
				interfaces, Annotation.class.getDeclaredMethod("getId"),
				Annotation.class.getDeclaredMethod("setId", Long.class), null);

		b3 = javassistProxyFactory.getProxy(1L, sessionImplementor);

		EasyMock.verify(sessionImplementor, sessionFactoryImplementor,
				entityPersister, persistenceContext);
		assertTrue("Equals should return true", b1.equals(b3));
	}
}