Merge remote-tracking branch 'origin/event-db'

# Conflicts:
#	src/main/java/mops/gruppen2/domain/Aggregate.java
#	src/main/java/mops/gruppen2/service/GroupService.java
#	src/test/java/mops/gruppen2/domain/GroupTest.java

src/test/java/mops/gruppen2/builder/EventBuilder.java

@@ -0,0 +1,92 @@
+package mops.gruppen2.builder;
+
+import com.github.javafaker.Faker;
+import mops.gruppen2.domain.Role;
+import mops.gruppen2.domain.event.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+public class EventBuilder {
+
+    public static CreateGroupEvent randomCreateGroupEvent() {
+        Faker faker = new Faker();
+
+        return new CreateGroupEvent(
+                faker.random().nextLong(),
+                faker.random().nextLong(),
+                faker.random().hex(),
+                faker.leagueOfLegends().champion(),
+                faker.leagueOfLegends().quote()
+        );
+    }
+
+    public static AddUserEvent randomAddUserEvent() {
+        Faker faker = new Faker();
+
+        String firstname = faker.name().firstName();
+        String lastname = faker.name().lastName();
+
+        return new AddUserEvent(
+                faker.random().nextLong(),
+                faker.random().nextLong(),
+                faker.random().hex(),
+                firstname,
+                lastname,
+                firstname + "." + lastname + "@mail.de"
+        );
+    }
+
+    public static List<Event> randomAddUserEvents(int count) {
+        List<Event> eventList = new ArrayList<>();
+
+        for (int i = 0; i < count; i++) {
+            eventList.add(EventBuilder.randomAddUserEvent());
+        }
+
+        return eventList;
+    }
+
+    public static DeleteUserEvent randomDeleteUserEvent(long group_id, String user_id) {
+        Faker faker = new Faker();
+
+        return new DeleteUserEvent(
+                faker.random().nextLong(),
+                group_id,
+                user_id
+        );
+    }
+
+    public static UpdateGroupDescriptionEvent randomUpdateGroupDescriptionEvent(long group_id) {
+        Faker faker = new Faker();
+
+        return new UpdateGroupDescriptionEvent(
+                faker.random().nextLong(),
+                group_id,
+                faker.random().hex(),
+                faker.leagueOfLegends().quote()
+        );
+    }
+
+    public static UpdateGroupTitleEvent randomUpdateGroupTitleEvent(long group_id) {
+        Faker faker = new Faker();
+
+        return new UpdateGroupTitleEvent(
+                faker.random().nextLong(),
+                group_id,
+                faker.random().hex(),
+                faker.leagueOfLegends().champion()
+        );
+    }
+
+    public static UpdateRoleEvent randomUpdateRoleEvent(long group_id, String user_id, Role role) {
+        Faker faker = new Faker();
+
+        return new UpdateRoleEvent(
+                faker.random().nextLong(),
+                group_id,
+                user_id,
+                role
+        );
+    }
+}

src/test/java/mops/gruppen2/service/EventServiceTest.java

@@ -0,0 +1,7 @@
+package mops.gruppen2.service;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class EventServiceTest {
+
+}

src/test/java/mops/gruppen2/service/SerializationServiceTest.java

@@ -0,0 +1,57 @@
+package mops.gruppen2.service;
+
+import com.fasterxml.jackson.core.JsonProcessingException;
+import mops.gruppen2.builder.EventBuilder;
+import mops.gruppen2.domain.event.AddUserEvent;
+import mops.gruppen2.domain.event.Event;
+import mops.gruppen2.repository.EventRepository;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Disabled;
+import org.junit.jupiter.api.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.Mockito.mock;
+
+class SerializationServiceTest {
+
+
+	@BeforeEach
+	public void setUp() {
+	}
+
+
+	@Test
+	void serializeEventTest() {
+		event =  new Event(1L,1L,"1");
+
+		SerializationService serializationService = new SerializationService(eventRepository);
+
+		try {
+			assertThat(serializationService.serializeEvent(event)).isEqualTo("{\"type\":\"Event\",\"event_id\":1,\"group_id\":1,\"user_id\":\"1\"}");
+		} catch (JsonProcessingException e) {
+			e.printStackTrace();
+		}
+	}
+
+	@Test
+	void deserializeAddUserEvent() throws JsonProcessingException {
+		SerializationService serializationService = new SerializationService(mock(EventRepository.class));
+
+		String json = "{\"type\":\"Event\",\"event_id\":1,\"group_id\":1,\"user_id\":\"1\"}";
+
+		Event event = serializationService.deserializeEvent(json);
+
+		assertThat(event).isInstanceOf(Event.class);
+	}
+
+	@Test
+	void serializeEventTestAddUserEvent(){
+		AddUserEvent event = new AddUserEvent(1,1,"user_id","peter","mueller","a@a");
+		SerializationService serializationService = new SerializationService(mock(EventRepository.class));
+		try {
+			assertThat(serializationService.serializeEvent(event)).isEqualTo("{\"type\":\"AddUserEvent\",\"event_id\":1,\"group_id\":1,\"user_id\":\"user_id\",\"givenname\":\"peter\",\"familyname\":\"mueller\",\"email\":\"a@a\"}");
+		} catch (JsonProcessingException e) {
+			e.printStackTrace();
+		}
+	}
+}