com.cedarsoft.serialization.test.utils.AbstractSerializerTest2 Maven / Gradle / Ivy
/**
* Copyright (C) cedarsoft GmbH.
*
* Licensed under the GNU General Public License version 3 (the "License")
* with Classpath Exception; you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.cedarsoft.org/gpl3ce
* (GPL 3 with Classpath Exception)
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 only, as
* published by the Free Software Foundation. cedarsoft GmbH designates this
* particular file as subject to the "Classpath" exception as provided
* by cedarsoft GmbH in the LICENSE file that accompanied this code.
*
* This code 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 General Public License
* version 3 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 3 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact cedarsoft GmbH, 72810 Gomaringen, Germany,
* or visit www.cedarsoft.com if you need additional information or
* have any questions.
*/
package com.cedarsoft.serialization.test.utils;
import com.cedarsoft.serialization.Serializer;
import com.cedarsoft.serialization.StreamSerializer;
import org.apache.commons.io.IOUtils;
import org.junit.experimental.theories.*;
import org.junit.runner.*;
import javax.annotation.Nonnull;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URL;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
/**
* Abstract base class for serializer tests.
*
* @param the type of domain object
*/
@RunWith( Theories.class )
public abstract class AbstractSerializerTest2 {
@Theory
public void testSerializer( @Nonnull Entry> entry ) throws Exception {
Serializer serializer = getSerializer();
//Serialize
@SuppressWarnings("unchecked")
T object = (T) entry.getObject();
@SuppressWarnings("unchecked")
byte[] serialized = serialize(serializer, object);
//Verify
@SuppressWarnings("unchecked")
Entry entryCast = (Entry) entry;
verifySerialized(entryCast, serialized );
verifyDeserialized(serializer.deserialize( new ByteArrayInputStream( serialized ) ), object);
}
@Nonnull
protected byte[] serialize( @Nonnull Serializer serializer, @Nonnull T objectToSerialize ) throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
serializer.serialize( objectToSerialize, out );
return out.toByteArray();
}
protected abstract void verifySerialized( @Nonnull Entry entry, @Nonnull byte[] serialized ) throws Exception;
/**
* Returns the serializer
*
* @return the serializer
*/
@Nonnull
protected abstract Serializer getSerializer() throws Exception;
/**
* Verifies the deserialized object
*
* @param deserialized the deserialized object
* @param original the original
*/
protected void verifyDeserialized( @Nonnull T deserialized, @Nonnull T original ) {
assertEquals( original, deserialized );
assertThat( deserialized, is( new ReflectionEquals( original ) ) );
}
@Nonnull
public static Entry extends T> create( @Nonnull T object, @Nonnull byte[] expected ) {
return new Entry<>(object, expected);
}
@Nonnull
public static Entry extends T> create( @Nonnull T object, @Nonnull URL expected ) {
try {
return new Entry<>(object, IOUtils.toByteArray(expected.openStream()));
} catch ( IOException e ) {
throw new RuntimeException( e );
}
}
@Nonnull
public static Entry extends T> create( @Nonnull T object, @Nonnull InputStream expected ) {
try {
return new Entry<>(object, IOUtils.toByteArray(expected));
} catch ( IOException e ) {
throw new RuntimeException( e );
}
}
}
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