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

#include "../catch.hpp"
#include "../fakeit.hpp"

#define private public

#include "../../src/utilities/config.h"
#include "../../src/input/InputDriver.h"

#include "../../src/input/Event.h"
#include "../../src/input/IEventNotifier.h"
#include "../../src/input/IDetector.h"


using namespace fakeit;

SCENARIO("An InputDriver gets created", "[construction}")
{
  GIVEN("An EventNotifier")
  {
    Mock<Input::IDetector> detector_mock;

    Mock<Input::IEventNotifier> event_notifier_mock;
    Mock<IEventHandler> event_handler_mock;

    WHEN("The InputDriver gets created")
    {
      Input::InputDriver input_driver(&event_notifier_mock.get(), &detector_mock.get());

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

SCENARIO("An EventHandler [un]registers at the driver", "[un-register]")
{
  GIVEN("An InputDriver, EventHandler and an EventNotifier")
  {
    Mock<Input::IDetector> detector_mock;

    Mock<IEventHandler> event_handler_mock;
    Mock<Input::IEventNotifier> event_notifier_mock;
    When(Method(event_notifier_mock, register_event_handler));
    When(Method(event_notifier_mock, unregister_event_handler));

    Input::InputDriver input_driver(&event_notifier_mock.get(), &detector_mock.get());

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

      THEN("The register_event_handler at the event_notifier gets called")
      {
        REQUIRE((bool)Verify(Method(event_notifier_mock, register_event_handler).Using(&event_handler_mock.get())));
      }
    }

    WHEN("The EventHandler unregisters at the driver")
    {
      REQUIRE((bool)Verify(Method(event_notifier_mock, register_event_handler).Using(&event_handler_mock.get())));
      input_driver.unregister_event_handler(&event_handler_mock.get());

      THEN("The unregister_event_handler at the event_notifier gets called")
      {
        REQUIRE((bool)Verify(Method(event_notifier_mock, unregister_event_handler).Using(&event_handler_mock.get())));
      }
    }
  }
}