test_server.cpp

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#define DOCTEST_CONFIG_IMPLEMENT_WITH_MAIN
#include "server.hpp"
#include <boost/asio.hpp>
#include <boost/beast/core.hpp>
#include <boost/beast/http.hpp>
#include <chrono>
#include <doctest.h>
#include <thread>
 
namespace beast = boost::beast;
namespace http = beast::http;
namespace net = boost::asio;
using tcp = net::ip::tcp;
 
TEST_CASE("HTTP server responds with GitHub user") {
  const int test_port = 8123;
  std::thread server_thread([&]() {
    start_http_server(test_port); // will block
  });
  std::this_thread::sleep_for(
      std::chrono::seconds(2)); // wait for server to start
 
  net::io_context ioc;
  tcp::resolver resolver(ioc);
  auto const results = resolver.resolve("127.0.0.1", std::to_string(test_port));
  beast::tcp_stream stream(ioc);
  stream.connect(results);
 
  http::request<http::string_body> req(http::verb::get, "/octocat", 11);
  req.set(http::field::host, "127.0.0.1");
  req.set(http::field::user_agent, "test-client");
  http::write(stream, req);
 
  beast::flat_buffer buffer;
  http::response<http::string_body> res;
  http::read(stream, buffer, res);
 
  CHECK(res.result() == http::status::ok);
  CHECK(res.body().find("octocat") != std::string::npos);
 
  beast::error_code ec;
  stream.socket().shutdown(tcp::socket::shutdown_both, ec);
 
  // Kill server (not ideal, better to make server stop externally)
  std::raise(SIGINT);
  server_thread.join();
}