game service tested

server/src/test/java/com/example/demo/RepositoryTest/UserRepositoryTest.java

 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
 import org.springframework.boot.test.autoconfigure.orm.jpa.TestEntityManager;
+import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.context.junit4.SpringRunner;
 
 import static org.assertj.core.api.AssertionsForClassTypes.assertThat;
 
 @RunWith(SpringRunner.class)
 @DataJpaTest
+@DirtiesContext(classMode = DirtiesContext.ClassMode.BEFORE_EACH_TEST_METHOD)
 public class UserRepositoryTest {
 
     @Autowired

server/src/test/java/com/example/demo/ServiceTest/GameServiceTest.java

 package com.example.demo.ServiceTest;
 
+import com.example.demo.Entity.Game;
+import com.example.demo.Repository.GameRepository;
+import com.example.demo.Service.GameService;
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.MockitoAnnotations;
+
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
 public class GameServiceTest {
+
+    @Mock
+    private GameRepository gameRepository;
+
+    @InjectMocks
+    private GameService gameService;
+
+    @Before
+    public void setUp(){
+        MockitoAnnotations.initMocks(this);
+    }
+
+    @Test
+    public void createGameTest(){
+        Game metroid = new Game("metroid","nintendo", "nes");
+        Mockito.when(gameRepository.save(metroid)).thenReturn(metroid);
+
+        Game actual = gameService.createGame(metroid);
+
+        Assert.assertEquals(actual, metroid);
+    }
+
+    @Test
+    public void findAllGamesTest(){
+        List<Game> games = new ArrayList<>();
+        games.add(new Game("metroid","nintendo", "nes"));
+        games.add(new Game("contra","nintendo", "nes"));
+
+        Mockito.when(gameRepository.findAll()).thenReturn(games);
+
+        Collection<Game> actual = gameService.findAllGames();
+        Assert.assertEquals(actual, games);
+    }
 }