poco/Data/testsuite/src/SessionPoolTest.cpp

//
// SessionPoolTest.cpp
//
// $Id: //poco/Main/Data/testsuite/src/SessionPoolTest.cpp#2 $
//
// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
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// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
// 
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
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#include "SessionPoolTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/Data/Common.h"
#include "Poco/Data/SessionPool.h"
#include "Poco/Thread.h"
#include "SessionInstantiator.h"


using namespace Poco::Data;
using Poco::Thread;


SessionPoolTest::SessionPoolTest(const std::string& name): CppUnit::TestCase(name)
{
	Poco::Data::Test::SessionInstantiator::addToFactory();
}


SessionPoolTest::~SessionPoolTest()
{
	Poco::Data::Test::SessionInstantiator::removeFromFactory();
}


void SessionPoolTest::testSessionPool()
{
	SessionPool pool("test", "cs", 1, 4, 5);
	
	assert (pool.capacity() == 4);
	assert (pool.allocated() == 0);
	assert (pool.idle() == 0);
	assert (pool.available() == 4);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());
	Session s1(pool.get());

	assert (pool.capacity() == 4);
	assert (pool.allocated() == 1);
	assert (pool.idle() == 0);
	assert (pool.available() == 3);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());

	Session s2(pool.get());

	assert (pool.capacity() == 4);
	assert (pool.allocated() == 2);
	assert (pool.idle() == 0);
	assert (pool.available() == 2);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());
	
	{
		Session s3(pool.get());

		assert (pool.capacity() == 4);
		assert (pool.allocated() == 3);
		assert (pool.idle() == 0);
		assert (pool.available() == 1);
		assert (pool.dead() == 0);
		assert (pool.allocated() == pool.used() + pool.idle());
	}

	assert (pool.capacity() == 4);
	assert (pool.allocated() == 3);
	assert (pool.idle() == 1);
	assert (pool.available() == 2);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());

	Session s4(pool.get());

	assert (pool.capacity() == 4);
	assert (pool.allocated() == 3);
	assert (pool.idle() == 0);
	assert (pool.available() == 1);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());

	Session s5(pool.get());

	assert (pool.capacity() == 4);
	assert (pool.allocated() == 4);
	assert (pool.idle() == 0);
	assert (pool.available() == 0);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());
	
	try
	{
		Session s6(pool.get());
		fail("pool exhausted - must throw");
	}
	catch (SessionPoolExhaustedException&)
	{
	}
	
	s5.close();
	assert (pool.capacity() == 4);
	assert (pool.allocated() == 4);
	assert (pool.idle() == 1);
	assert (pool.available() == 1);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());

	try
	{
		s5 << "DROP TABLE IF EXISTS Test", now;
		fail("session unusable - must throw");
	}
	catch (SessionUnavailableException&)
	{
	}

	s4.close();
	assert (pool.capacity() == 4);
	assert (pool.allocated() == 4);
	assert (pool.idle() == 2);
	assert (pool.available() == 2);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());
	
	Thread::sleep(10000); // time to clean up idle sessions
	
	assert (pool.capacity() == 4);
	assert (pool.allocated() == 2);
	assert (pool.idle() == 0);
	assert (pool.available() == 2);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());
	
	Session s6(pool.get());

	assert (pool.capacity() == 4);
	assert (pool.allocated() == 3);
	assert (pool.idle() == 0);
	assert (pool.available() == 1);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());

	s6.setFeature("connected", false);
	assert (pool.dead() == 1);
	
	s6.close();
	assert (pool.capacity() == 4);
	assert (pool.allocated() == 2);
	assert (pool.idle() == 0);
	assert (pool.available() == 2);
	assert (pool.dead() == 0);
	assert (pool.allocated() == pool.used() + pool.idle());
}


void SessionPoolTest::setUp()
{
}


void SessionPoolTest::tearDown()
{
}


CppUnit::Test* SessionPoolTest::suite()
{
	CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("SessionPoolTest");

	CppUnit_addTest(pSuite, SessionPoolTest, testSessionPool);

	return pSuite;
}