POCO Redis experiment ...

This commit is contained in:
fbraem 2015-10-20 20:39:17 +02:00
parent ee62025cc3
commit 9acd00e25a
18 changed files with 1324 additions and 0 deletions

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//
// Array.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: Array
//
// Definition of the Array class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Redis_Array_INCLUDED
#define Redis_Array_INCLUDED
#include <vector>
#include "Poco/Redis/Redis.h"
#include "Poco/Redis/Type.h"
#include "Poco/Redis/Exception.h"
namespace Poco {
namespace Redis {
class Redis_API Array
{
public:
Array();
Array(const Array& copy);
virtual ~Array();
void add(Poco::Int64 value);
void add(const std::string& value);
void add(const BulkString& value);
void add();
void add(AbstractType::Ptr value);
void clear();
std::string toString() const;
size_t size() const;
private:
std::vector<AbstractType::Ptr> _elements;
friend class Connection;
};
inline void Array::clear()
{
_elements.clear();
}
inline size_t Array::size() const
{
return _elements.size();
}
inline void Array::add(AbstractType::Ptr value)
{
_elements.push_back(value);
}
template<>
struct ElementTraits<Array>
{
enum { TypeId = AbstractType::REDIS_ARRAY };
static std::string typeName()
{
return "Array";
}
static std::string toString(const Array& value)
{
return value.toString();
}
};
template<> inline
void Type<Array>::read(RedisSocket& socket)
{
std::string line;
socket.readLine(line);
Int64 length = NumberParser::parse64(line);
for(int i = 0; i < length; ++i)
{
char elementType = socket.get();
AbstractType::Ptr t;
switch(elementType)
{
case ':': // Integer
t = new Type<Int64>();
break;
case '+' : // Simple String
t = new Type<std::string>();
break;
case '$' : // Bulk String
t = new Type<BulkString>();
break;
}
if ( t.isNull() ) throw RedisException("Wrong answer received from Redis server");
t->read(socket);
_value.add(t);
}
}
}}
#endif // Redis_Array_INCLUDED

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//
// Connection.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: Connection
//
// Definition of the Connection class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Redis_Connection_INCLUDED
#define Redis_Connection_INCLUDED
#include "Poco/Net/SocketAddress.h"
#include "Poco/Optional.h"
#include "Poco/Redis/Redis.h"
#include "Poco/Redis/Array.h"
#include "Poco/Redis/RedisSocket.h"
namespace Poco {
namespace Redis {
class Redis_API Connection
/// Represents a connection to a Redis server
{
public:
typedef Poco::SharedPtr<Connection> Ptr;
Connection();
/// Default constructor. Use this when you want to
/// connect later on.
Connection(const std::string& hostAndPort);
/// Constructor which connects to the given Redis host/port.
/// The host and port must be separated with a colon.
Connection(const std::string& host, int port);
/// Constructor which connects to the given Redis host/port.
Connection(const Net::SocketAddress& addrs);
/// Constructor which connects to the given Redis host/port.
virtual ~Connection();
/// Destructor
Net::SocketAddress address() const;
/// Returns the address of the Redis connection
void connect(const std::string& hostAndPort);
/// Connects to the given Redis server. The host and port must be separated
/// with a colon.
void connect(const std::string& host, int port);
/// Connects to the given Redis server.
void connect(const Net::SocketAddress& addrs);
/// Connects to the given Redis server.
void disconnect();
/// Disconnects from the Redis server
void sendCommand(const Array& command);
/// Sends a request to the Redis server
template<typename T>
void sendCommand(const Array& command, T& result)
{
Type<T> resultType;
sendCommand(command);
char type = _socket.get();
switch(type)
{
case ':':
{
if ( resultType.getType() == AbstractType::REDIS_INTEGER )
{
resultType.read(_socket);
}
else
{
std::string message;
message.append("Expected ");
message.append(ElementTraits<T>::typeName());
message.append(", got an Integer");
throw InvalidArgumentException(message);
}
break;
}
case '+': // Simple String
{
if ( resultType.getType() == AbstractType::REDIS_SIMPLE_STRING )
{
resultType.read(_socket);
}
else
{
std::string message;
message.append("Expected ");
message.append(ElementTraits<T>::typeName());
message.append(", got a Simple String");
throw InvalidArgumentException(message);
}
break;
}
case '-' : // Error
{
std::string error;
_socket.readLine(error);
throw RedisException(error);
}
case '$' : // Bulk String
{
if ( resultType.getType() == AbstractType::REDIS_BULK_STRING )
{
resultType.read(_socket);
}
else
{
std::string message;
message.append("Expected ");
message.append(ElementTraits<T>::typeName());
message.append(", got a Bulk String");
throw InvalidArgumentException(message);
}
break;
}
case '*' : //Array
{
if ( resultType.getType() == AbstractType::REDIS_ARRAY )
{
resultType.read(_socket);
}
else
{
std::string message;
message.append("Expected ");
message.append(ElementTraits<T>::typeName());
message.append(", got an Array");
throw InvalidArgumentException(message);
}
throw InvalidArgumentException("Expected integer, got an array");
}
default:
throw IOException("Invalid Redis type returned");
}
result = resultType.value();
}
private:
Connection(const Connection&);
Connection& operator = (const Connection&);
Net::SocketAddress _address;
RedisSocket _socket;
void connect();
/// Connects to the Redis server
};
inline Net::SocketAddress Connection::address() const
{
return _address;
}
} } // namespace Poco::Redis
#endif //Redis_Connection_INCLUDED

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//
// Exception.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: Exception
//
// Definition of the Exception class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Redis_Exception_INCLUDED
#define Redis_Exception_INCLUDED
#include "Poco/Redis/Redis.h"
#include <typeinfo>
#include "Poco/Exception.h"
namespace Poco {
namespace Redis {
POCO_DECLARE_EXCEPTION(Redis_API, RedisException, Exception)
}}
#endif // Redis_Exception_INCLUDED

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//
// Redis.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: Redis
//
// Basic definitions for the Poco Redis library.
// This file must be the first file included by every other Redis
// header file.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef RedisRedis_INCLUDED
#define RedisRedis_INCLUDED
#include "Poco/Foundation.h"
//
// The following block is the standard way of creating macros which make exporting
// from a DLL simpler. All files within this DLL are compiled with the Redis_EXPORTS
// symbol defined on the command line. this symbol should not be defined on any project
// that uses this DLL. This way any other project whose source files include this file see
// Redis_API functions as being imported from a DLL, wheras this DLL sees symbols
// defined with this macro as being exported.
//
#if defined(_WIN32) && defined(POCO_DLL)
#if defined(Redis_EXPORTS)
#define Redis_API __declspec(dllexport)
#else
#define Redis_API __declspec(dllimport)
#endif
#endif
#if !defined(Redis_API)
#if !defined(POCO_NO_GCC_API_ATTRIBUTE) && defined (__GNUC__) && (__GNUC__ >= 4)
#define Redis_API __attribute__ ((visibility ("default")))
#else
#define Redis_API
#endif
#endif
//
// Automatically link Redis library.
//
#if defined(_MSC_VER)
#if !defined(POCO_NO_AUTOMATIC_LIBS) && !defined(Redis_EXPORTS)
#pragma comment(lib, "PocoRedis" POCO_LIB_SUFFIX)
#endif
#endif
#endif // RedisRedis_INCLUDED

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//
// RedistSocket.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: RedistSocket
//
// Definition of the RedistSocket class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Redis_RedisSocket_INCLUDED
#define Redis_RedisSocket_INCLUDED
#include "Poco/Net/SocketAddress.h"
#include "Poco/Net/StreamSocket.h"
#include "Poco/Redis/Redis.h"
namespace Poco {
namespace Redis {
class Redis_API RedisSocket
{
public:
RedisSocket();
virtual ~RedisSocket();
void close();
void connect(const Net::SocketAddress& addrs);
int get();
int peek();
void read(UInt64 length, std::string& data);
int write(const char* buffer, std::streamsize length);
int buffered();
void refill();
void readLine(std::string& line);
private:
RedisSocket(RedisSocket& copy);
RedisSocket& operator = (const RedisSocket&);
Net::StreamSocket _socket;
char* _buffer;
char* _current;
char* _end;
};
} }
#endif // Redis_RedisSocket_INCLUDED

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//
// Type.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: Type
//
// Definition of the Type class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef Redis_Type_INCLUDED
#define Redis_Type_INCLUDED
#include "Poco/NumberFormatter.h"
#include "Poco/NumberParser.h"
#include "Poco/SharedPtr.h"
#include "Poco/Optional.h"
#include "Poco/Redis/Redis.h"
#include "Poco/Redis/RedisSocket.h"
namespace Poco {
namespace Redis {
class Redis_API AbstractType
{
public:
typedef SharedPtr<AbstractType> Ptr;
AbstractType();
virtual ~AbstractType();
virtual int getType() const = 0;
virtual void read(RedisSocket& socket) = 0;
virtual std::string toString() const = 0;
enum Types {
REDIS_INTEGER,
REDIS_SIMPLE_STRING,
REDIS_BULK_STRING,
REDIS_ARRAY
};
private:
};
template<typename T>
struct ElementTraits
{
};
template<>
struct ElementTraits<Poco::Int64>
{
enum { TypeId = AbstractType::REDIS_INTEGER };
static std::string typeName()
{
return "Integer";
}
static std::string toString(const Poco::Int64& value)
{
return ":" + NumberFormatter::format(value) + "\r\n";
}
};
template<>
struct ElementTraits<std::string>
{
enum { TypeId = AbstractType::REDIS_SIMPLE_STRING };
static std::string typeName()
{
return "Simple String";
}
static std::string toString(const std::string& value)
{
return "+" + value + "\r\n";
}
};
typedef Optional<std::string> BulkString;
template<>
struct ElementTraits<BulkString>
{
enum { TypeId = AbstractType::REDIS_BULK_STRING };
static std::string typeName()
{
return "Bulk String";
}
static std::string toString(const BulkString& value)
{
if ( value.isSpecified() ) {
std::string s = value.value();
return "$" + NumberFormatter::format(s.length()) + "\r\n" + s + "\r\n";
}
return "$-1\r\n";
}
};
template<typename T>
class Redis_API Type : public AbstractType
{
public:
Type()
{
}
Type(const T& t) : _value(t)
{
}
Type(const Type& copy) : _value(copy._value)
{
}
virtual ~Type()
{
}
int getType() const
{
return ElementTraits<T>::TypeId;
}
void read(RedisSocket& socket)
{
}
virtual std::string toString() const {
return ElementTraits<T>::toString(_value);
}
T value() const
{
return _value;
}
private:
T _value;
};
template<> inline
void Type<Int64>::read(RedisSocket& socket)
{
std::string number;
socket.readLine(number);
_value = NumberParser::parse64(number);
}
template<> inline
void Type<std::string>::read(RedisSocket& socket)
{
std::string s;
socket.readLine(s);
_value = s;
}
template<> inline
void Type<BulkString>::read(RedisSocket& socket)
{
_value.clear();
std::string line;
socket.readLine(line);
int length = NumberParser::parse64(line);
if ( length >= 0 )
{
std::string s;
socket.read(length, s);
_value.assign(s);
socket.readLine(line);
}
else // -1
{
socket.readLine(line);
}
}
}}
#endif // Redis_Type_INCLUDED

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Redis/src/Array.cpp Normal file
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//
// Array.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: Array
//
// Implementation of the Array class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include <sstream>
#include "Poco/Redis/Array.h"
namespace Poco {
namespace Redis {
Array::Array()
{
}
Array::Array(const Array& copy) : _elements(copy._elements)
{
}
Array::~Array()
{
}
void Array::add(Int64 value)
{
_elements.push_back(new Type<Int64>(value));
}
void Array::add(const std::string& value)
{
BulkString rs(value);
_elements.push_back(new Type<BulkString>(rs));
}
void Array::add(const BulkString& value)
{
_elements.push_back(new Type<BulkString>(value));
}
void Array::add()
{
BulkString value;
_elements.push_back(new Type<BulkString>(value));
}
std::string Array::toString() const
{
std::stringstream result;
result << "*" << _elements.size() << "\r\n";
for(std::vector<AbstractType::Ptr>::const_iterator it = _elements.begin(); it != _elements.end(); ++it)
{
result << (*it)->toString();
}
return result.str();
}
} }

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Redis/src/Client.cpp Normal file
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//
// Connection.cpp
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: Connection
//
// Implementation of the Connection class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Redis/Client.h"
namespace Poco {
namespace Redis {
Connection::Connection() : _address(), _socket()
{
}
Connection::Connection(const std::string& hostAndPort) : _address(hostAndPort), _socket()
{
connect();
}
Connection::Connection(const std::string& host, int port) : _address(host, port), _socket()
{
connect();
}
Connection::Connection(const Net::SocketAddress& addrs) : _address(addrs), _socket()
{
connect();
}
Connection::~Connection()
{
}
void Connection::connect()
{
_socket.connect(_address);
}
void Connection::connect(const std::string& hostAndPort)
{
_address = Net::SocketAddress(hostAndPort);
connect();
}
void Connection::connect(const std::string& host, int port)
{
_address = Net::SocketAddress(host, port);
connect();
}
void Connection::connect(const Net::SocketAddress& addrs)
{
_address = addrs;
connect();
}
void Connection::disconnect()
{
_socket.close();
}
void Connection::sendCommand(const Array& command)
{
std::string commandStr = command.toString();
_socket.write(commandStr.c_str(), commandStr.length());
}
} } // Poco::Redis

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//
// Exception.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: Exception
//
// Implementation of the Exception class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Redis/Exception.h"
namespace Poco {
namespace Redis {
POCO_IMPLEMENT_EXCEPTION(RedisException, Exception, "Redis Exception")
}}

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Redis/src/RedisSocket.cpp Normal file
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//
// RedistSocket.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: RedistSocket
//
// Implementation of the RedistSocket class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Redis/RedisSocket.h"
namespace Poco {
namespace Redis {
RedisSocket::RedisSocket() : _socket(), _buffer(0), _current(0), _end(0)
{
}
RedisSocket::~RedisSocket()
{
if ( _buffer ) delete[] _buffer;
try
{
_socket.close();
}
catch (...)
{
}
}
void RedisSocket::close()
{
_socket.close();
}
void RedisSocket::connect(const Net::SocketAddress& addrs)
{
_socket.connect(addrs);
}
int RedisSocket::get()
{
if ( _current == _end ) refill();
if ( _current < _end ) return *_current++;
return std::char_traits<char>::eof();
}
int RedisSocket::peek()
{
if ( _current == _end ) refill();
if ( _current < _end ) return *_current;
return std::char_traits<char>::eof();
}
void RedisSocket::read(UInt64 length, std::string& data)
{
UInt64 count = 0;
data.clear();
while(count < length)
{
int c = get();
if ( c == -1 ) throw IOException("Invalid EOF");
data += c;
++count;
}
}
int RedisSocket::write(const char* buffer, std::streamsize length)
{
_socket.sendBytes(buffer, (int) length);
}
void RedisSocket::refill()
{
if ( ! _buffer ) _buffer = new char[1024];
_current = _end = _buffer;
int n = _socket.receiveBytes(_buffer, 1024);
_end += n;
}
void RedisSocket::readLine(std::string& line)
{
line.clear();
int c = get();
while(1)
{
if ( c == -1 ) throw IOException("Invalid EOF");
if ( c == '\r' && peek() == '\n' )
{
get();
break;
}
line += c;
c = get();
}
}
} }

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//
// Type.h
//
// $Id$
//
// Library: Redis
// Package: Redis
// Module: Type
//
// Implementation of the Type class.
//
// Copyright (c) 2012, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "Poco/Redis/Type.h"
namespace Poco {
namespace Redis {
AbstractType::AbstractType()
{
}
AbstractType::~AbstractType()
{
}
}}

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//
// Driver.cpp
//
// $Id$
//
// Console-based test driver for Poco MongoDB.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "CppUnit/TestRunner.h"
#include "RedisTestSuite.h"
CppUnitMain(RedisTestSuite)

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//
// RedisTest.cpp
//
// $Id$
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include <iostream>
#include "Poco/DateTime.h"
#include "Poco/ObjectPool.h"
#include "Poco/Net/NetException.h"
#include "RedisTest.h"
#include "Poco/Redis/Client.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
using namespace Poco::Redis;
bool RedisTest::_connected = false;
Poco::Redis::Connection RedisTest::_redis;
RedisTest::RedisTest(const std::string& name):
CppUnit::TestCase("Redis"),
_host("localhost"),
_port(6379)
{
if (!_connected)
{
try
{
_redis.connect(_host, _port);
_connected = true;
std::cout << "Connected to [" << _host << ':' << _port << ']' << std::endl;
}
catch (Poco::Net::ConnectionRefusedException& e)
{
std::cout << "Couldn't connect to " << e.message() << ". " << std::endl;
}
}
}
RedisTest::~RedisTest()
{
if (_connected)
{
_redis.disconnect();
_connected = false;
std::cout << "Disconnected from [" << _host << ':' << _port << ']' << std::endl;
}
}
void RedisTest::setUp()
{
}
void RedisTest::tearDown()
{
}
void RedisTest::testEcho()
{
if (!_connected)
{
std::cout << "Not connected, test skipped." << std::endl;
return;
}
Array command;
command.add("ECHO");
command.add("Hello World");
BulkString result;
_redis.sendCommand(command, result);
}
void RedisTest::testPing()
{
if (!_connected)
{
std::cout << "Not connected, test skipped." << std::endl;
return;
}
Array command;
command.add("PING");
std::string result;
_redis.sendCommand(command, result);
}
CppUnit::Test* RedisTest::suite()
{
CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("RedisTest");
CppUnit_addTest(pSuite, RedisTest, testEcho);
CppUnit_addTest(pSuite, RedisTest, testPing);
return pSuite;
}

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//
// RedisTest.h
//
// $Id$
//
// Definition of the RedisTest class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef RedisTest_INCLUDED
#define RedisTest_INCLUDED
#include "Poco/Redis/Redis.h"
#include "Poco/Redis/Client.h"
#include "CppUnit/TestCase.h"
class RedisTest: public CppUnit::TestCase
{
public:
RedisTest(const std::string& name);
virtual ~RedisTest();
void testEcho();
void testPing();
void setUp();
void tearDown();
static CppUnit::Test* suite();
private:
std::string _host;
unsigned _port;
static bool _connected;
static Poco::Redis::Connection _redis;
};
#endif // RedisTest_INCLUDED

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//
// RedisTestSuite.cpp
//
// $Id$
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "RedisTestSuite.h"
#include "RedisTest.h"
CppUnit::Test* RedisTestSuite::suite()
{
CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("RedisTestSuite");
pSuite->addTest(RedisTest::suite());
return pSuite;
}

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//
// RedisTestSuite.h
//
// $Id$
//
// Definition of the RedisTestSuite class.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#ifndef RedisTestSuite_INCLUDED
#define RedisTestSuite_INCLUDED
#include "CppUnit/TestSuite.h"
class RedisTestSuite
{
public:
static CppUnit::Test* suite();
};
#endif // RedisTestSuite_INCLUDED

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//
// WinCEDriver.cpp
//
// $Id$
//
// Console-based test driver for Windows CE.
//
// Copyright (c) 2004-2010, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "CppUnit/TestRunner.h"
#include "RedisTestSuite.h"
#include <cstdlib>
int _tmain(int argc, wchar_t* argv[])
{
std::vector<std::string> args;
for (int i = 0; i < argc; ++i)
{
char buffer[1024];
std::wcstombs(buffer, argv[i], sizeof(buffer));
args.push_back(std::string(buffer));
}
CppUnit::TestRunner runner;
runner.addTest("RedisTestSuite", RedisTestSuite::suite());
return runner.run(args) ? 0 : 1;
}

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//
// WinDriver.cpp
//
// $Id$
//
// Windows test driver for Poco MongoDB.
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "WinTestRunner/WinTestRunner.h"
#include "RedisTestSuite.h"
class TestDriver: public CppUnit::WinTestRunnerApp
{
void TestMain()
{
CppUnit::WinTestRunner runner;
runner.addTest(RedisTestSuite::suite());
runner.run();
}
};
TestDriver theDriver;