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Data/testsuite/src/SessionPoolTest.cpp

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+//
+// SessionPoolTest.cpp
+//
+// $Id: //poco/Main/Data/testsuite/src/SessionPoolTest.cpp#2 $
+//
+// Copyright (c) 2006, Applied Informatics Software Engineering GmbH.
+// and Contributors.
+//
+// Permission is hereby granted, free of charge, to any person or organization
+// 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
+// works are solely in the form of machine-executable object code generated by
+// a source language processor.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// 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
+// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
+// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+//
+
+
+#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;
+}