Added WeeklyMenuService unit tests

src/test/java/ntnu/idatt2016/v233/SmartMat/service/user/WeeklyMenuServiceTest.java

+package ntnu.idatt2016.v233.SmartMat.service.user;
+
+import ntnu.idatt2016.v233.SmartMat.service.WeeklyMenuService;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.Arrays;
+import java.util.List;
+
+import ntnu.idatt2016.v233.SmartMat.dto.response.WeeklyMenuResponse;
+import ntnu.idatt2016.v233.SmartMat.repository.RecipeRepository;
+
+import static org.mockito.Mockito.*;
+import static org.junit.jupiter.api.Assertions.*;
+
+class WeeklyMenuServiceTest {
+
+    @InjectMocks
+    private WeeklyMenuService weeklyMenuService;
+
+    @Mock
+    private RecipeRepository recipeRepository;
+
+    @BeforeEach
+    void setUp() {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    void testGetTop5RecipesWithProducts() {
+        long groupId = 1L;
+
+        Object[] row1 = new Object[] {1, "Recipe 1", 10L, "Product 1", "Description 1", true};
+        Object[] row2 = new Object[] {2, "Recipe 2", 15L, "Product 2", "Description 2", false};
+        List<Object[]> rawData = Arrays.asList(row1, row2);
+
+        when(recipeRepository.findTop5RecipesWithProductsRaw(groupId)).thenReturn(rawData);
+
+        List<WeeklyMenuResponse> result = weeklyMenuService.getTop5RecipesWithProducts(groupId);
+
+        assertEquals(2, result.size());
+        assertEquals("Recipe 1", result.get(0).getRecipeName());
+        assertEquals(10L, result.get(0).getEan());
+        assertEquals("Product 1", result.get(0).getItemName());
+        assertEquals("Recipe 2", result.get(1).getRecipeName());
+        assertEquals(15L, result.get(1).getEan());
+        assertEquals("Product 2", result.get(1).getItemName());
+    }
+}