//
// HTTPClientSessionTest.cpp
//
// $Id: //poco/1.2/Net/testsuite/src/HTTPClientSessionTest.cpp#1 $
//
// Copyright (c) 2005-2006, 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
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//


#include "HTTPClientSessionTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/Net/HTTPClientSession.h"
#include "Poco/Net/HTTPRequest.h"
#include "Poco/Net/HTTPResponse.h"
#include "Poco/StreamCopier.h"
#include "HTTPTestServer.h"
#include <istream>
#include <ostream>
#include <sstream>


using Poco::Net::HTTPClientSession;
using Poco::Net::HTTPRequest;
using Poco::Net::HTTPResponse;
using Poco::Net::HTTPMessage;
using Poco::StreamCopier;


HTTPClientSessionTest::HTTPClientSessionTest(const std::string& name): CppUnit::TestCase(name)
{
}


HTTPClientSessionTest::~HTTPClientSessionTest()
{
}


void HTTPClientSessionTest::testGetSmall()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_GET, "/small");
	s.sendRequest(request);
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (response.getContentLength() == HTTPTestServer::SMALL_BODY.length());
	assert (response.getContentType() == "text/plain");
	std::ostringstream ostr;
	StreamCopier::copyStream(rs, ostr);
	assert (ostr.str() == HTTPTestServer::SMALL_BODY);
}


void HTTPClientSessionTest::testGetLarge()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_GET, "/large");
	s.sendRequest(request);
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (response.getContentLength() == HTTPTestServer::LARGE_BODY.length());
	assert (response.getContentType() == "text/plain");
	std::ostringstream ostr;
	StreamCopier::copyStream(rs, ostr);
	assert (ostr.str() == HTTPTestServer::LARGE_BODY);
}


void HTTPClientSessionTest::testHead()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_HEAD, "/large");
	s.sendRequest(request);
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (response.getContentLength() == HTTPTestServer::LARGE_BODY.length());
	assert (response.getContentType() == "text/plain");
	std::ostringstream ostr;
	assert (StreamCopier::copyStream(rs, ostr) == 0);
}


void HTTPClientSessionTest::testPostSmallIdentity()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_POST, "/echo");
	std::string body("this is a random request body\r\n0\r\n");
	request.setContentLength((int) body.length());
	s.sendRequest(request) << body;
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (response.getContentLength() == body.length());
	std::ostringstream ostr;
	StreamCopier::copyStream(rs, ostr);
	assert (ostr.str() == body);
}


void HTTPClientSessionTest::testPostLargeIdentity()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_POST, "/echo");
	std::string body(8000, 'x');
	body.append("\r\n0\r\n");
	request.setContentLength((int) body.length());
	s.sendRequest(request) << body;
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (response.getContentLength() == body.length());
	std::ostringstream ostr;
	StreamCopier::copyStream(rs, ostr);
	assert (ostr.str() == body);
}


void HTTPClientSessionTest::testPostSmallChunked()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_POST, "/echo");
	std::string body("this is a random request body");
	request.setChunkedTransferEncoding(true);
	s.sendRequest(request) << body;
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (response.getChunkedTransferEncoding());
	assert (response.getContentLength() == HTTPMessage::UNKNOWN_CONTENT_LENGTH);
	std::ostringstream ostr;
	StreamCopier::copyStream(rs, ostr);
	assert (ostr.str() == body);
}


void HTTPClientSessionTest::testPostLargeChunked()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_POST, "/echo");
	std::string body(16000, 'x');
	request.setChunkedTransferEncoding(true);
	s.sendRequest(request) << body;
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (response.getChunkedTransferEncoding());
	assert (response.getContentLength() == HTTPMessage::UNKNOWN_CONTENT_LENGTH);
	std::ostringstream ostr;
	StreamCopier::copyStream(rs, ostr);
	assert (ostr.str() == body);
}


void HTTPClientSessionTest::testPostSmallClose()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_POST, "/echo");
	std::string body("this is a random request body");
	s.sendRequest(request) << body;
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (!response.getChunkedTransferEncoding());
	assert (response.getContentLength() == HTTPMessage::UNKNOWN_CONTENT_LENGTH);
	std::ostringstream ostr;
	StreamCopier::copyStream(rs, ostr);
	assert (ostr.str() == body);
}


void HTTPClientSessionTest::testPostLargeClose()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_POST, "/echo");
	std::string body(8000, 'x');
	s.sendRequest(request) << body;
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (!response.getChunkedTransferEncoding());
	assert (response.getContentLength() == HTTPMessage::UNKNOWN_CONTENT_LENGTH);
	std::ostringstream ostr;
	StreamCopier::copyStream(rs, ostr);
	assert (ostr.str() == body);
}


void HTTPClientSessionTest::testKeepAlive()
{
	HTTPTestServer srv;
	HTTPClientSession s("localhost", srv.port());
	s.setKeepAlive(true);
	HTTPRequest request(HTTPRequest::HTTP_HEAD, "/keepAlive", HTTPMessage::HTTP_1_1);
	s.sendRequest(request);
	HTTPResponse response;
	std::istream& rs1 = s.receiveResponse(response);
	assert (response.getContentLength() == HTTPTestServer::SMALL_BODY.length());
	assert (response.getContentType() == "text/plain");
	assert (response.getKeepAlive());
	std::ostringstream ostr1;
	assert (StreamCopier::copyStream(rs1, ostr1) == 0);
	
	request.setMethod(HTTPRequest::HTTP_GET);
	request.setURI("/small");
	s.sendRequest(request);
	std::istream& rs2 = s.receiveResponse(response);
	assert (response.getContentLength() == HTTPTestServer::SMALL_BODY.length());
	assert (response.getKeepAlive());
	std::ostringstream ostr2;
	StreamCopier::copyStream(rs2, ostr2);
	assert (ostr2.str() == HTTPTestServer::SMALL_BODY);
	
	request.setMethod(HTTPRequest::HTTP_GET);
	request.setURI("/large");
	s.sendRequest(request);
	std::istream& rs3 = s.receiveResponse(response);
	assert (response.getContentLength() == HTTPMessage::UNKNOWN_CONTENT_LENGTH);
	assert (response.getChunkedTransferEncoding());
	assert (response.getKeepAlive());
	std::ostringstream ostr3;
	int n = StreamCopier::copyStream(rs3, ostr3);
	assert (ostr3.str() == HTTPTestServer::LARGE_BODY);

	request.setMethod(HTTPRequest::HTTP_HEAD);
	request.setURI("/large");
	s.sendRequest(request);
	std::istream& rs4= s.receiveResponse(response);
	assert (response.getContentLength() == HTTPTestServer::LARGE_BODY.length());
	assert (response.getContentType() == "text/plain");
	assert (!response.getKeepAlive());
	std::ostringstream ostr4;
	assert (StreamCopier::copyStream(rs4, ostr4) == 0);
}


void HTTPClientSessionTest::testProxy()
{
	HTTPTestServer srv;
	HTTPClientSession s("www.somehost.com");
	s.setProxy("localhost", srv.port());
	HTTPRequest request(HTTPRequest::HTTP_GET, "/large");
	s.sendRequest(request);
	HTTPResponse response;
	std::istream& rs = s.receiveResponse(response);
	assert (response.getContentLength() == HTTPTestServer::LARGE_BODY.length());
	assert (response.getContentType() == "text/plain");
	std::ostringstream ostr;
	StreamCopier::copyStream(rs, ostr);
	assert (ostr.str() == HTTPTestServer::LARGE_BODY);
}


void HTTPClientSessionTest::setUp()
{
}


void HTTPClientSessionTest::tearDown()
{
}


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

	CppUnit_addTest(pSuite, HTTPClientSessionTest, testGetSmall);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testGetLarge);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testHead);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testPostSmallIdentity);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testPostLargeIdentity);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testPostSmallChunked);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testPostLargeChunked);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testPostSmallClose);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testPostLargeClose);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testKeepAlive);
	CppUnit_addTest(pSuite, HTTPClientSessionTest, testProxy);

	return pSuite;
}