#113 Event Driven Architecture

Adds unit test to assert and verify pattern event get type behaviour.
Also added unit test comments.

event-driven-architecture/src/test/java/EventDrivenTest.java

@@ -1,4 +1,5 @@
 import com.iluwatar.eda.EventDispatcher;
+import com.iluwatar.eda.event.Event;
 import com.iluwatar.eda.event.UserCreatedEvent;
 import com.iluwatar.eda.event.UserUpdatedEvent;
 import com.iluwatar.eda.handler.UserCreatedEventHandler;
@@ -6,15 +7,20 @@ import com.iluwatar.eda.handler.UserUpdatedEventHandler;
 import com.iluwatar.eda.model.User;
 
 import org.junit.Test;
-
-
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.verify;
-
 import static org.junit.Assert.assertEquals;
 
+
+/**
+ * Event Driven Pattern unit tests to assert and verify correct pattern behaviour
+ */
 public class EventDrivenTest {
 
+  /**
+   * This unit test should register events and event handlers correctly with the event dispatcher
+   * and events should be dispatched accordingly.
+   */
   @Test
   public void testEventDriverPattern() {
 
@@ -42,6 +48,16 @@ public class EventDrivenTest {
     //verify that the events have been dispatched
     verify(dispatcher).dispatch(userCreatedEvent);
     verify(dispatcher).dispatch(userUpdatedEvent);
+  }
 
+  /**
+   * This unit test should correctly return the {@link Event} class type when calling the
+   * {@link Event#getType() getType} method.
+   */
+  @Test
+  public void testGetEventType() {
+    User user = new User("iluwatar");
+    UserCreatedEvent userCreatedEvent = new UserCreatedEvent(user);
+    assertEquals(UserCreatedEvent.class, userCreatedEvent.getType());
   }
 }