odbcaccesstest.cpp

很好用的网络封装库,不熟悉网络编程的人也可以使用。使用风格良好的标准c++编写。

//
// ODBCAccessTest.cpp
//
// $Id: //poco/1.3/Data/ODBC/testsuite/src/ODBCAccessTest.cpp#3 $
//
// 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 "ODBCAccessTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/String.h"
#include "Poco/Format.h"
#include "Poco/Exception.h"
#include "Poco/Data/Common.h"
#include "Poco/Data/BLOB.h"
#include "Poco/Data/StatementImpl.h"
#include "Poco/Data/ODBC/Connector.h"
#include "Poco/Data/ODBC/Utility.h"
#include "Poco/Data/ODBC/Diagnostics.h"
#include "Poco/Data/ODBC/ODBCException.h"
#include "Poco/Data/ODBC/ODBCStatementImpl.h"
#include <sqltypes.h>
#include <iostream>


using namespace Poco::Data;
using Poco::Data::ODBC::Utility;
using Poco::Data::ODBC::ConnectionException;
using Poco::Data::ODBC::StatementException;
using Poco::Data::ODBC::StatementDiagnostics;
using Poco::format;
using Poco::NotFoundException;


Poco::SharedPtr<Poco::Data::Session> ODBCAccessTest::_pSession = 0;
std::string ODBCAccessTest::_dsn = "PocoDataAccessTest";
std::string ODBCAccessTest::_dbConnString;
Poco::Data::ODBC::Utility::DriverMap ODBCAccessTest::_drivers;
Poco::Data::ODBC::Utility::DSNMap ODBCAccessTest::_dataSources;


ODBCAccessTest::ODBCAccessTest(const std::string& name): 
	CppUnit::TestCase(name)
{
	static bool beenHere = false;

	ODBC::Connector::registerConnector();
	if (_drivers.empty() || _dataSources.empty()) 
	{
		Utility::drivers(_drivers);
		Utility::dataSources(_dataSources);
		checkODBCSetup();
	}
	if (!_pSession && !_dbConnString.empty() && !beenHere)
	{
		try
		{
			_pSession = new Session(SessionFactory::instance().create(ODBC::Connector::KEY, _dbConnString));
		}catch (ConnectionException& ex)
		{
			std::cout << "!!! WARNING: Connection failed. Access tests will fail !!!" << std::endl;
			std::cout << ex.toString() << std::endl;
		}

		//N.B. Access driver does not suport check for connection.
		if (_pSession) std::cout << "*** Connected to " << _dsn << '(' << _dbConnString << ')' << std::endl;
	}
	else 
	if (!_pSession && !beenHere) 
		std::cout << "!!! WARNING: No driver or DSN found. Access tests will fail !!!" << std::endl;

	beenHere = true;
}


ODBCAccessTest::~ODBCAccessTest()
{
	ODBC::Connector::unregisterConnector();
}


void ODBCAccessTest::testSimpleAccess()
{
	if (!_pSession) fail ("Test not available.");

	std::string lastName = "lastName";
	int age = 133132;
	int count = 0;
	std::string result;

	recreatePersonTable();

	count = 0;
	try { *_pSession << "INSERT INTO PERSON VALUES('lastName', 'firstName', 'Address', 133132)", now; }
	catch(ConnectionException& ce){ std::cout << ce.toString() << std::endl; fail ("testSimpleAccess()"); }
	catch(StatementException& ex){ std::cout << ex.toString() << std::endl; fail ("testSimpleAccess()");}

	try { *_pSession << "SELECT COUNT(*) FROM PERSON", into(count), now; }
	catch(ConnectionException& ce){ std::cout << ce.toString() << std::endl; fail ("testSimpleAccess()"); }
	catch(StatementException& ex){ std::cout << ex.toString() << std::endl; fail ("testSimpleAccess()"); }
	assert (count == 1);

	try { *_pSession << "SELECT LastName FROM PERSON", into(result), now; }
	catch(ConnectionException& ce){ std::cout << ce.toString() << std::endl; fail ("testSimpleAccess()"); }
	catch(StatementException& ex){ std::cout << ex.toString() << std::endl; fail ("testSimpleAccess()"); }
	assert (lastName == result);

	try { *_pSession << "SELECT Age FROM PERSON", into(count), now; }
	catch(ConnectionException& ce){ std::cout << ce.toString() << std::endl; fail ("testSimpleAccess()"); }
	catch(StatementException& ex){ std::cout << ex.toString() << std::endl; fail ("testSimpleAccess()"); }
	assert (count == age);
}


void ODBCAccessTest::dropTable(const std::string& tableName)
{
	try
	{
		*_pSession << format("DROP TABLE %s", tableName), now;
	}
	catch (StatementException& ex)
	{
		bool ignoreError = false;
		const StatementDiagnostics::FieldVec& flds = ex.diagnostics().fields();
		StatementDiagnostics::Iterator it = flds.begin();
		for (; it != flds.end(); ++it)
		{
			if (-1305 == it->_nativeError)//MS Access -1305 (table does not exist)
			{
				ignoreError = true;
				break;
			}
		}

		if (!ignoreError) throw;
	}
}


void ODBCAccessTest::recreatePersonTable()
{
	dropTable("Person");
	*_pSession << "CREATE TABLE Person (LastName TEXT(30), FirstName TEXT(30), Address TEXT(30), Age INTEGER)", now;
}


void ODBCAccessTest::checkODBCSetup()
{
	static bool beenHere = false;

	if (!beenHere)
	{
		beenHere = true;

		bool driverFound = false;
		bool dsnFound = false;

		Utility::DriverMap::iterator itDrv = _drivers.begin();
		for (; itDrv != _drivers.end(); ++itDrv)
		{
			if (((itDrv->first).find("Microsoft Access Driver") != std::string::npos))
			{
				std::cout << "Driver found: " << itDrv->first 
					<< " (" << itDrv->second << ')' << std::endl;
				driverFound = true;
				break;
			}
		}

		if (!driverFound) 
		{
			std::cout << "Driver NOT found, will throw." << std::endl;
			throw NotFoundException("Microsoft Access ODBC driver.");
		}
		
		Utility::DSNMap::iterator itDSN = _dataSources.begin();
		for (; itDSN != _dataSources.end(); ++itDSN)
		{
			if (((itDSN->first).find(_dsn) != std::string::npos) &&
				((itDSN->second).find("Microsoft Access Driver") != std::string::npos))
			{
				std::cout << "DSN found: " << itDSN->first 
					<< " (" << itDSN->second << ')' << std::endl;
				dsnFound = true;
				break;
			}
		}

		if (!dsnFound) 
		{
			std::cout << "Access DSN NOT found, tests will fail." << std::endl;
			return;
		}
	}

	if (!_pSession)
		format(_dbConnString, "DSN=%s;Uid=Admin;Pwd=;", _dsn);
}


void ODBCAccessTest::setUp()
{
}


void ODBCAccessTest::tearDown()
{
	dropTable("Person");
}


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

	CppUnit_addTest(pSuite, ODBCAccessTest, testSimpleAccess);

	return pSuite;
}