Integrate Testing done on User and MyCartModel

app/src/main/java/com/example/projecto/activities/ViewAllActivity.java

@@ -98,7 +98,6 @@ public void update() {
         // Update RecyclerView data
         viewAllAdapters.notifyDataSetChanged();
     }
-
     @Override
     protected void onDestroy() {
         super.onDestroy();

app/src/test/java/com/example/projecto/UserMyCartIT.java

@@ -0,0 +1,53 @@
+package com.example.projecto;
+
+import static org.junit.Assert.*;
+
+import com.example.projecto.models.MyCartModel;
+import com.example.projecto.models.User;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class UserMyCartIT{
+
+    private User user;
+    private MyCartModel cart;
+
+    @Before
+    public void setUp() {
+        // Reset singleton instances before each test
+        User.getInstance();
+        MyCartModel.getInstance();
+
+        // Initialize instances
+        user = User.getInstance("John Doe", "john@example.com", "password123");
+        cart = MyCartModel.getInstance("Product Name", "100", "2023-05-27", "12:00", "1", 100.0);
+    }
+
+    @Test
+    public void testUserAndCartIntegration() {
+        // Update user details
+        user.setEmail("newemail@example.com");
+
+        // Simulate an operation that might use updated user info
+        String userEmail = user.getEmail();
+
+        // For demonstration purposes, assume cart operations depend on user info
+        cart.setProductName("Product updated for " + userEmail);
+
+        // Verify that the cart model correctly reflects the change
+        assertEquals("Product updated for newemail@example.com", cart.getProductName());
+    }
+
+    @Test
+    public void testCartValues() {
+        // Set new values in the cart
+        cart.setTotalPrice(200.0);
+        cart.setTotalQuantity("2");
+
+        // Verify cart values
+        assertEquals(200.0, cart.getTotalPrice(), 0.0);
+        assertEquals("2", cart.getTotalQuantity());
+    }
+}