Simple-Web-Server/tests/io_test.cpp

#include "client_http.hpp"
#include "server_http.hpp"

#include <cassert>

using namespace std;

typedef SimpleWeb::Server<SimpleWeb::HTTP> HttpServer;
typedef SimpleWeb::Client<SimpleWeb::HTTP> HttpClient;

int main() {
  auto server = HttpServer::create();
  server->config.port = 8080;

  server->resource["^/string$"]["POST"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
    auto content = request->content.string();

    *response << "HTTP/1.1 200 OK\r\nContent-Length: " << content.length() << "\r\n\r\n"
              << content;
  };

  server->resource["^/string2$"]["POST"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
    response->write(request->content.string());
  };

  server->resource["^/string3$"]["POST"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
    std::stringstream stream;
    stream << request->content.rdbuf();
    response->write(stream);
  };

  server->resource["^/string4$"]["POST"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> /*request*/) {
    response->write(SimpleWeb::StatusCode::client_error_forbidden, {{"Test1", "test2"}, {"tesT3", "test4"}});
  };

  server->resource["^/info$"]["GET"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
    stringstream content_stream;
    content_stream << request->method << " " << request->path << " " << request->http_version << " ";
    content_stream << request->header.find("test parameter")->second;

    content_stream.seekp(0, ios::end);

    *response << "HTTP/1.1 200 OK\r\nContent-Length: " << content_stream.tellp() << "\r\n\r\n"
              << content_stream.rdbuf();
  };

  server->resource["^/match/([0-9]+)$"]["GET"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
    string number = request->path_match[1];
    *response << "HTTP/1.1 200 OK\r\nContent-Length: " << number.length() << "\r\n\r\n"
              << number;
  };

  server->resource["^/header$"]["GET"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
    auto content = request->header.find("test1")->second + request->header.find("test2")->second;

    *response << "HTTP/1.1 200 OK\r\nContent-Length: " << content.length() << "\r\n\r\n"
              << content;
  };

  server->resource["^/query_string$"]["GET"] = [](shared_ptr<HttpServer::Response> response, shared_ptr<HttpServer::Request> request) {
    assert(request->path == "/query_string");
    assert(request->query_string == "testing");
    auto queries = request->parse_query_string();
    auto it = queries.find("Testing");
    assert(it != queries.end() && it->first == "testing" && it->second == "");
    response->write(request->query_string);
  };

  thread server_thread([&server]() {
    //Start server
    server->start();
  });

  this_thread::sleep_for(chrono::seconds(1));
  {
    auto client = HttpClient::create("localhost:8080");

    {
      stringstream output;
      auto r = client->request("POST", "/string", "A string");
      assert(SimpleWeb::status_code(r->status_code) == SimpleWeb::StatusCode::success_ok);
      output << r->content.rdbuf();
      assert(output.str() == "A string");
    }

    {
      stringstream output;
      auto r = client->request("POST", "/string", "A string");
      assert(SimpleWeb::status_code(r->status_code) == SimpleWeb::StatusCode::success_ok);
      assert(r->content.string() == "A string");
    }

    {
      stringstream output;
      auto r = client->request("POST", "/string2", "A string");
      assert(SimpleWeb::status_code(r->status_code) == SimpleWeb::StatusCode::success_ok);
      output << r->content.rdbuf();
      assert(output.str() == "A string");
    }

    {
      stringstream output;
      auto r = client->request("POST", "/string3", "A string");
      assert(SimpleWeb::status_code(r->status_code) == SimpleWeb::StatusCode::success_ok);
      output << r->content.rdbuf();
      assert(output.str() == "A string");
    }

    {
      stringstream output;
      auto r = client->request("POST", "/string4", "A string");
      assert(SimpleWeb::status_code(r->status_code) == SimpleWeb::StatusCode::client_error_forbidden);
      assert(r->header.size() == 3);
      assert(r->header.find("test1")->second == "test2");
      assert(r->header.find("tEst3")->second == "test4");
      assert(r->header.find("content-length")->second == "0");
      output << r->content.rdbuf();
      assert(output.str() == "");
    }

    {
      stringstream output;
      stringstream content("A string");
      auto r = client->request("POST", "/string", content);
      output << r->content.rdbuf();
      assert(output.str() == "A string");
    }

    {
      stringstream output;
      auto r = client->request("GET", "/info", "", {{"Test Parameter", "test value"}});
      output << r->content.rdbuf();
      assert(output.str() == "GET /info 1.1 test value");
    }

    {
      stringstream output;
      auto r = client->request("GET", "/match/123");
      output << r->content.rdbuf();
      assert(output.str() == "123");
    }
  }
  {
    auto client = HttpClient::create("localhost:8080");

    HttpClient::Connection *connection;
    {
      // test performing the stream version of the request methods first
      stringstream output;
      stringstream content("A string");
      auto r = client->request("POST", "/string", content);
      output << r->content.rdbuf();
      assert(output.str() == "A string");
      assert(client->connections.size() == 1);
      connection = client->connections.front().get();
    }

    {
      stringstream output;
      auto r = client->request("POST", "/string", "A string");
      output << r->content.rdbuf();
      assert(output.str() == "A string");
      assert(client->connections.size() == 1);
      assert(connection == client->connections.front().get());
    }

    {
      stringstream output;
      auto r = client->request("GET", "/header", "", {{"test1", "test"}, {"test2", "ing"}});
      output << r->content.rdbuf();
      assert(output.str() == "testing");
      assert(client->connections.size() == 1);
      assert(connection == client->connections.front().get());
    }

    {
      stringstream output;
      auto r = client->request("GET", "/query_string?testing");
      assert(r->content.string() == "testing");
      assert(client->connections.size() == 1);
      assert(connection == client->connections.front().get());
    }
  }

  {
    auto client = HttpClient::create("localhost:8080");
    bool call = false;
    client->request("GET", "/match/123", [&call](shared_ptr<HttpClient::Response> response, const SimpleWeb::error_code &ec) {
      assert(!ec);
      stringstream output;
      output << response->content.rdbuf();
      assert(output.str() == "123");
      call = true;
    });
    client->io_service->run();
    assert(call);

    {
      vector<int> calls(100);
      vector<thread> threads;
      for(size_t c = 0; c < 100; ++c) {
        calls[c] = 0;
        threads.emplace_back([c, &client, &calls] {
          client->request("GET", "/match/123", [c, &calls](shared_ptr<HttpClient::Response> response, const SimpleWeb::error_code &ec) {
            assert(!ec);
            stringstream output;
            output << response->content.rdbuf();
            assert(output.str() == "123");
            calls[c] = 1;
          });
        });
      }
      for(auto &thread : threads)
        thread.join();
      assert(client->connections.size() == 100);
      client->io_service->reset();
      client->io_service->run();
      assert(client->connections.size() == 1);
      for(auto call : calls)
        assert(call);
    }
  }

  {
    auto client = HttpClient::create("localhost:8080");
    assert(client->connections.size() == 0);
    for(size_t c = 0; c < 5000; ++c) {
      auto r1 = client->request("POST", "/string", "A string");
      assert(SimpleWeb::status_code(r1->status_code) == SimpleWeb::StatusCode::success_ok);
      assert(r1->content.string() == "A string");
      assert(client->connections.size() == 1);

      stringstream content("A string");
      auto r2 = client->request("POST", "/string", content);
      assert(SimpleWeb::status_code(r2->status_code) == SimpleWeb::StatusCode::success_ok);
      assert(r2->content.string() == "A string");
      assert(client->connections.size() == 1);
    }
  }

  for(size_t c = 0; c < 500; ++c) {
    {
      auto client = HttpClient::create("localhost:8080");
      auto r = client->request("POST", "/string", "A string");
      assert(SimpleWeb::status_code(r->status_code) == SimpleWeb::StatusCode::success_ok);
      assert(r->content.string() == "A string");
      assert(client->connections.size() == 1);
    }

    {
      auto client = HttpClient::create("localhost:8080");
      stringstream content("A string");
      auto r = client->request("POST", "/string", content);
      assert(SimpleWeb::status_code(r->status_code) == SimpleWeb::StatusCode::success_ok);
      assert(r->content.string() == "A string");
      assert(client->connections.size() == 1);
    }
  }

  server->stop();
  server_thread.join();

  return 0;
}