/*
* Distributed as part of c3p0 0.9.5-pre10
*
* Copyright (C) 2014 Machinery For Change, Inc.
*
* Author: Steve Waldman <swaldman@mchange.com>
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* This software 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.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
package com.mchange.v2.c3p0.test.junit;
import java.util.*;
import javax.naming.*;
import junit.framework.*;
import com.mchange.v2.ser.SerializableUtils;
import com.mchange.v2.beans.BeansUtils;
import com.mchange.v2.naming.ReferenceableUtils;
import com.mchange.v2.c3p0.ComboPooledDataSource;
public final class MarshallUnmarshallDataSourcesJUnitTestCase extends C3P0JUnitTestCaseBase
{
final static Collection EXCLUDE_PROPS = Arrays.asList( new String[]{
"allUsers",
"connection",
"connectionPoolDataSource",
"effectivePropertyCycleDefaultUser",
"lastCheckinFailureDefaultUser",
"lastCheckoutFailureDefaultUser",
"lastConnectionTestFailureDefaultUser",
"lastIdleTestFailureDefaultUser",
"logWriter",
"numBusyConnections",
"numBusyConnectionsAllUsers",
"numBusyConnectionsDefaultUser",
"numConnections",
"numConnectionsAllUsers",
"numConnectionsDefaultUser",
"numFailedCheckinsDefaultUser",
"numFailedCheckoutsDefaultUser",
"numFailedIdleTestsDefaultUser",
"numIdleConnections",
"numIdleConnectionsAllUsers",
"numIdleConnectionsDefaultUser",
"numUnclosedOrphanedConnections",
"numUnclosedOrphanedConnectionsAllUsers",
"numUnclosedOrphanedConnectionsDefaultUser",
"numUserPools",
"parentLogger",
"propertyChangeListeners",
"reference", //references that yield the same object need not be .equals(...)
"startTimeMillisDefaultUser",
"statementCacheNumCheckedOutDefaultUser",
"statementCacheNumCheckedOutStatementsAllUsers",
"statementCacheNumConnectionsWithCachedStatementsAllUsers",
"statementCacheNumConnectionsWithCachedStatementsDefaultUser",
"statementCacheNumDeferredCloseThreads",
"statementCacheNumStatementsAllUsers",
"statementCacheNumStatementsDefaultUser",
"statementDestroyerNumActiveThreads",
"statementDestroyerNumConnectionsWithDeferredDestroyStatementsAllUsers",
"statementDestroyerNumConnectionsWithDeferredDestroyStatementsDefaultUser",
"statementDestroyerNumConnectionsInUseAllUsers",
"statementDestroyerNumConnectionsInUseDefaultUser",
"statementDestroyerNumDeferredDestroyStatementsAllUsers",
"statementDestroyerNumDeferredDestroyStatementsDefaultUser",
"statementDestroyerNumIdleThreads",
"statementDestroyerNumTasksPending",
"statementDestroyerNumThreads",
"threadPoolSize",
"threadPoolNumActiveThreads",
"threadPoolNumIdleThreads",
"threadPoolNumTasksPending",
"threadPoolStackTraces",
"threadPoolStatus",
"upTimeMillisDefaultUser",
"vetoableChangeListeners"
} );
public void testSerializationRoundTrip()
{
try
{
cpds.setIdentityToken("poop"); //simulate a never-before-seen data source, so it's a new registration on deserialization
byte[] pickled = SerializableUtils.toByteArray(cpds);
ComboPooledDataSource unpickled = (ComboPooledDataSource) SerializableUtils.fromByteArray( pickled );
// we check references specially; comparison by equals(...) doesn't work
// not all elements have good .equals(...) methods defined, so functionally equivalent RefAddresses yield false
compareReferences( cpds.getReference(), unpickled.getReference() );
// sideBySidePrintReferences( cpds.getReference(), unpickled.getReference() );
assertTrue( "Marshalled and unmarshalled DataSources should have the same properties!\n\n[[[[cpds]]]:\n" + cpds + "\n\n[[[unpickled]]]:\n" + unpickled + "\n\n",
// BeansUtils.equalsByAccessiblePropertiesVerbose( cpds, unpickled, EXCLUDE_PROPS ) );
BeansUtils.equalsByAccessibleProperties( cpds, unpickled, EXCLUDE_PROPS ) );
}
catch (Exception e)
{
e.printStackTrace();
fail( e.getMessage() );
}
}
private void compareReferences( Reference ref1, Reference ref2 ) throws Exception
{
ComboPooledDataSource cpds1 = (ComboPooledDataSource) ReferenceableUtils.referenceToObject( ref1, null, null, null );
ComboPooledDataSource cpds2 = (ComboPooledDataSource) ReferenceableUtils.referenceToObject( ref2, null, null, null );
assertTrue( "Marshalled and unmarshalled DataSources references point to the equivalent DataSources",
// BeansUtils.equalsByAccessiblePropertiesVerbose( cpds1, cpds2, EXCLUDE_PROPS ) );
BeansUtils.equalsByAccessibleProperties( cpds1, cpds2, EXCLUDE_PROPS ) );
}
private void sideBySidePrintReferences( Reference ref1, Reference ref2 ) throws Exception
{
System.err.println("SIDE BY SIDE:");
int sz1 = ref1.size();
int sz2 = ref2.size();
if (sz1 != sz2)
System.err.println("Sizes differ! sz1: " + sz1 + "; sz2: " +sz2);
for ( int i = 0, len = Math.max( sz1, sz2 ); i < len; ++i )
{
RefAddr ra1 = (i < sz1) ? ref1.get( i ) : null;
RefAddr ra2 = (i < sz2) ? ref2.get( i ) : null;
String s1 = ra1 == null ? "XXXXX" : ra1.getContent().toString() + " [" + ra1.getType() + "]";
String s2 = ra2 == null ? "XXXXX" : ra2.getContent().toString() + " [" + ra2.getType() + "]";
System.err.println( "\t" + s1 + " " + s2 + " " + (s1 != null && s1.equals(s2)) );
}
}
public void testRefDerefRoundTrip()
{
try
{
cpds.setIdentityToken("scoop"); //simulate a never-before-seen data source, so it's a new registration on deserialization
Reference ref = cpds.getReference();
ComboPooledDataSource unpickled = (ComboPooledDataSource) ReferenceableUtils.referenceToObject( ref, null, null, null );
assertTrue( "Marshalled and unmarshalled DataSources should have the same properties!",
BeansUtils.equalsByAccessibleProperties( cpds, unpickled, EXCLUDE_PROPS ) );
}
catch (Exception e)
{
e.printStackTrace();
fail( e.getMessage() );
}
}
}