/*
 * TestInputDriver.cpp
 *
 *  Created on: May 31, 2018
 *      Author: Andreas Schneider, Johannes Wendel, Jonas Zeunert, Rafael Vinci, Dr. Franca Rupprecht
 */

#include "../catch.hpp"

#include "../../input/InputDriver.hpp"

#include "mocks/EventHandlerMock.hpp"
#include "mocks/EventNotifierMock.hpp"

#define private public

SCENARIO("An InputDriver gets created", "[construction}")
{
  GIVEN("An EventNotifier")
  {
    Input::EventNotifierMock event_notifier;

    WHEN("The InputDriver gets created")
    {
      Input::InputDriver input_driver(&event_notifier);

      THEN("It saved the EventNotifier")
      {
        REQUIRE(input_driver.event_notifier == &event_notifier);
      }
    }
  }
}

SCENARIO("An EventHandler [un]registers at the driver", "[[un]register]")
{
  GIVEN("An InputDriver, EventHandler and an EventNotifier")
  {

    Input::EventHandler event_handler = Input::EventHandlerMock();
    Input::EventNotifierMock event_notifier;

    Input::InputDriver input_driver(&event_notifier);

    REQUIRE(event_notifier.registered = false);

    WHEN("The EventHandler registers at the driver")
    {
      input_driver.register_event_handler(&event_handler);

      THEN("The register_event_handler at the event_notifier gets called")
      {
        REQUIRE(event_notifier.registered == true);
      }
    }

    WHEN("The EventHandler unregisters at the driver")
    {
      REQUIRE(event_notifier.registered = true);
      input_driver.unregister_event_handler(&event_handler);

      THEN("The unregister_event_handler at the event_notifier gets called")
      {
        REQUIRE(event_notifier.registered == false);
      }
    }
  }
}