refactoring to interfaces

FlippR-Driver/tests/input/TestInputDriver.cpp

@@ -0,0 +1,71 @@
+/*
+ * 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"
+
+#include "../../src/input/InputDriver.hpp"
+#include "../../src/input/EventNotifier.h"
+
+#define private public
+
+using namespace fakeit;
+
+SCENARIO("An InputDriver gets created", "[construction}")
+{
+  GIVEN("An EventNotifier")
+  {
+    Mock<Input::EventNotifier> event_notifier_mock;
+
+    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);
+      }
+    }
+  }
+}
+
+