com.cedarsoft.serialization.test.utils.AbstractSerializerMultiTest 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 org.junit.*;
import org.xml.sax.SAXException;
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.util.ArrayList;
import java.util.List;
import static org.junit.Assert.*;
/**
* Abstract class for serializer tests
*
* @param the type of the serialized object
* @deprecated use AbstractSerializerTest2 instead
*/
@Deprecated
public abstract class AbstractSerializerMultiTest {
@Test
public void testSerializer() throws Exception {
Serializer serializer = getSerializer();
Iterable extends T> objectsToSerialize = createObjectsToSerialize();
//Serialize
List extends byte[]> serialized = serialize( serializer, objectsToSerialize );
//Verify
verifySerialized( serialized );
List deserialized = new ArrayList();
for ( byte[] currentSerialized : serialized ) {
deserialized.add( serializer.deserialize( new ByteArrayInputStream( currentSerialized ) ) );
}
verifyDeserialized( deserialized );
}
@Nonnull
private List extends byte[]> serialize( @Nonnull Serializer serializer, @Nonnull Iterable extends T> objectsToSerialize ) throws IOException {
List serialized = new ArrayList();
int index = 0;
for ( T objectToSerialize : objectsToSerialize ) {
try {
serialized.add( serialize( serializer, objectToSerialize ) );
index++;
} catch ( IOException e ) {
throw new IOException( "Serialization failed for (" + index + ") <" + objectsToSerialize + ">", e );
}
}
return serialized;
}
@Nonnull
protected byte[] serialize( @Nonnull Serializer serializer, @Nonnull T objectToSerialize ) throws IOException {
ByteArrayOutputStream out = new ByteArrayOutputStream();
serializer.serialize( objectToSerialize, out );
return out.toByteArray();
}
/**
* Returns the serializer
*
* @return the serializer
* @throws Exception if there is any error
*/
@Nonnull
protected abstract Serializer getSerializer() throws Exception;
/**
* Verifies the serialized object
*
* @param serialized the serialized objects (within the same order)
* @throws Exception if there is any error
*/
protected abstract void verifySerialized( @Nonnull List extends byte[]> serialized ) throws Exception;
/**
* Creates the object to serialize
*
* @return the object to serialize
* @throws Exception if there is any error
*/
@Nonnull
protected abstract Iterable extends T> createObjectsToSerialize() throws Exception;
/**
* Verifies the deserialized object.
* The default implementation simply calls equals
*
* @param deserialized the deserialized object
* @throws Exception if there is any error
*/
protected void verifyDeserialized( @Nonnull List extends T> deserialized ) throws Exception {
int index = 0;
for ( T currentExpected : createObjectsToSerialize() ) {
assertEquals( deserialized.get( index ), currentExpected );
index++;
}
}
}
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