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// Main unit test compilation unit
// boost mandates that exactly one compilation unit contains the following two lines:
#define BOOST_TEST_MODULE webserver_test
#include <boost/test/included/unit_test.hpp>
#include <boost/test/data/dataset.hpp>
#include <boost/test/data/monomorphic.hpp>
#include <boost/test/data/test_case.hpp>
#include <boost/beast/core.hpp>
#include <boost/beast/http.hpp>
#include <boost/beast/version.hpp>
#include <boost/asio/connect.hpp>
#include <boost/asio/ip/tcp.hpp>
#include <boost/property_tree/ptree.hpp>
#include <boost/property_tree/xml_parser.hpp>
#include <fmt/core.h>
#include <chrono>
#include <filesystem>
#include <iostream>
#include <sstream>
#include <string>
#include <thread>
#include <unistd.h>
#include <signal.h>
#include <sys/wait.h>
#include <libreichwein/file.h>
#include "webserver.h"
using namespace std::string_literals;
namespace fs = std::filesystem;
namespace pt = boost::property_tree;
using namespace Reichwein;
class WebserverProcess
{
public:
const fs::path testConfigFilename{"./webserver.conf"};
WebserverProcess(): m_pid{}
{
File::setFile(testConfigFilename, R"CONFIG(<webserver>
<user>www-data</user>
<group>www-data</group>
<threads>10</threads>
<plugin-directory>../plugins</plugin-directory>
<sites>
<site>
<name>localhost</name>
<host>ip6-localhost</host>
<host>localhost</host>
<host>127.0.0.1</host>
<host>[::1]</host>
<path requested="/">
<plugin>static-files</plugin>
<target>.</target>
</path>
</site>
</sites>
<sockets>
<socket>
<address>127.0.0.1</address>
<port>8080</port>
<protocol>http</protocol>
<site>localhost</site>
</socket>
<socket>
<address>::1</address>
<port>8080</port>
<protocol>http</protocol>
<site>localhost</site>
</socket>
</sockets>
</webserver>
)CONFIG");
start();
}
~WebserverProcess()
{
stop();
fs::remove(testConfigFilename);
}
void start()
{
if (m_pid != 0)
throw std::runtime_error("Process already running, so it can't be started");
m_pid = fork();
if (m_pid < 0)
throw std::runtime_error("Fork unsuccessful.");
if (m_pid == 0) { // child process branch
char* argv[] = {(char*)"webserver", (char*)"-c", (char*)"./webserver.conf"};
webserver(sizeof(argv) / sizeof(char*), argv);
exit(0);
}
// wait for server to start up
std::this_thread::sleep_for(std::chrono::milliseconds(100));
}
void stop()
{
if (m_pid == 0)
throw std::runtime_error("Process not running, so it can't be stopped");
if (kill(m_pid, SIGTERM) != 0)
throw std::runtime_error("Unable to kill process");
if (int result = waitpid(m_pid, NULL, 0); result != m_pid)
throw std::runtime_error("waitpid returned "s + std::to_string(result));
m_pid = 0;
}
bool isRunning()
{
if (m_pid == 0)
return false;
fs::path pid_file{fmt::format("/proc/{}/stat", m_pid)};
if (!fs::exists(pid_file))
return false;
std::string s{File::getFile(pid_file)};
auto pos0{s.find(' ', 0)};
pos0 = s.find(' ', pos0 + 1);
pos0++;
auto pos1{s.find(' ', pos0 + 1)};
std::string state{s.substr(pos0, pos1 - pos0)};
return state == "R" || state == "S";
}
private:
pid_t m_pid;
};
std::string HTTPGet(const std::string& target)
{
auto const host = "127.0.0.1"; //"::1";
auto const port = "8080";
int version = 11; // or 10
// The io_context is required for all I/O
boost::asio::io_context ioc;
// These objects perform our I/O
boost::asio::ip::tcp::resolver resolver(ioc);
boost::beast::tcp_stream stream(ioc);
// Look up the domain name
auto const results = resolver.resolve(host, port);
// Make the connection on the IP address we get from a lookup
stream.connect(results);
// Set up an HTTP GET request message
boost::beast::http::request<boost::beast::http::string_body> req{boost::beast::http::verb::get, target, version};
req.set(boost::beast::http::field::host, host);
req.set(boost::beast::http::field::user_agent, "Webserver Testsuite");
// Send the HTTP request to the remote host
boost::beast::http::write(stream, req);
// This buffer is used for reading and must be persisted
boost::beast::flat_buffer buffer;
// Declare a container to hold the response
boost::beast::http::response<boost::beast::http::dynamic_body> res;
// Receive the HTTP response
boost::beast::http::read(stream, buffer, res);
// Write the message to standard out
std::ostringstream header_stream;
header_stream << res.base();
//std::ostringstream body_stream;
header_stream << boost::beast::buffers_to_string(res.body().data());
// Gracefully close the socket
boost::beast::error_code ec;
stream.socket().shutdown(boost::asio::ip::tcp::socket::shutdown_both, ec);
// not_connected happens sometimes
// so don't bother reporting it.
//
if(ec && ec != boost::beast::errc::not_connected)
throw boost::beast::system_error{ec};
return header_stream.str();
}
class Fixture
{
public:
Fixture(){}
~Fixture(){}
};
BOOST_FIXTURE_TEST_CASE(http_download, Fixture)
{
WebserverProcess serverProcess;
std::cout << HTTPGet("/webserver.conf");
}
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