Amit

app/build.gradle.kts

@@ -79,6 +79,9 @@ dependencies {
 
     //dependencies for ui_test
     androidTestImplementation("androidx.test:rules:1.5.0")
+    androidTestImplementation("org.mockito:mockito-core:3.12.4")
+    androidTestImplementation("org.mockito:mockito-android:3.12.4")
+    androidTestImplementation("androidx.test.espresso:espresso-intents:3.4.0")
     // AndroidX Test - Instrumentation Testing
     androidTestImplementation("androidx.test:runner:1.5.2")
     androidTestImplementation("androidx.test:rules:1.5.0")

app/src/androidTest/java/com/example/projecto/activities/AddressActivityTest.java

@@ -0,0 +1,49 @@
+package com.example.projecto.activities;
+
+import androidx.test.espresso.intent.Intents;
+import androidx.test.ext.junit.rules.ActivityScenarioRule;
+import androidx.test.ext.junit.runners.AndroidJUnit4;
+
+import com.example.projecto.R;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+
+import static androidx.test.espresso.Espresso.onView;
+import static androidx.test.espresso.action.ViewActions.click;
+import static androidx.test.espresso.intent.Intents.intended;
+import static androidx.test.espresso.intent.matcher.IntentMatchers.hasComponent;
+import static androidx.test.espresso.matcher.ViewMatchers.withId;
+
+@RunWith(AndroidJUnit4.class)
+public class AddressActivityTest {
+
+    @Rule
+    public ActivityScenarioRule<AddressActivity> activityRule =
+            new ActivityScenarioRule<>(AddressActivity.class);
+
+    @Rule
+    public FirebaseAuthRule firebaseAuthRule = new FirebaseAuthRule();
+
+    @Before
+    public void setUp() {
+        Intents.init();
+    }
+
+    @After
+    public void tearDown() {
+        Intents.release();
+    }
+
+    @Test
+    public void testPaymentButton_opensPaymentActivity() {
+        // Perform click on paymentBtn
+        onView(withId(R.id.payment_btn)).perform(click());
+
+        // Verify that the PaymentActivity is launched
+        intended(hasComponent(PaymentActivity.class.getName()));
+    }
+}

app/src/androidTest/java/com/example/projecto/activities/FirebaseAuthRule.java

@@ -0,0 +1,41 @@
+package com.example.projecto.activities;
+
+import com.google.firebase.auth.FirebaseAuth;
+import com.google.firebase.auth.FirebaseUser;
+
+import org.junit.rules.TestRule;
+import org.junit.runner.Description;
+import org.junit.runners.model.Statement;
+
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class FirebaseAuthRule implements TestRule {
+
+    private final FirebaseAuth mockAuth;
+    private final FirebaseUser mockUser;
+
+    public FirebaseAuthRule() {
+        mockAuth = mock(FirebaseAuth.class);
+        mockUser = mock(FirebaseUser.class);
+        when(mockAuth.getCurrentUser()).thenReturn(mockUser);
+        when(mockUser.getUid()).thenReturn("testUid");
+    }
+
+    @Override
+    public Statement apply(Statement base, Description description) {
+        return new Statement() {
+            @Override
+            public void evaluate() throws Throwable {
+                // Inject the mock FirebaseAuth instance
+                AddressActivity.setFirebaseAuth(mockAuth);
+
+                // Execute the test
+                base.evaluate();
+
+                // Clean up after test execution
+                AddressActivity.setFirebaseAuth(null);
+            }
+        };
+    }
+}

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

@@ -1,7 +1,5 @@
 package com.example.projecto.activities;
 
-import static android.app.PendingIntent.getActivity;
-
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.Toolbar;
@@ -28,22 +26,20 @@
 
 public class AddressActivity extends AppCompatActivity implements AddressAdapter.SelectedAddress {
 
-    Button addAddress,paymentBtn;
-
+    Button addAddress, paymentBtn;
     RecyclerView recyclerView;
-
     private List<AddressModel> addressModelList;
     private AddressAdapter addressAdapter;
-
     FirebaseFirestore firestore;
-    FirebaseAuth auth;
-
+    private static FirebaseAuth auth;
     Toolbar toolbar;
-
     String mAddress = "";
-
     double receivedTotalAmount;
 
+    // Static method to allow setting FirebaseAuth from tests
+    public static void setFirebaseAuth(FirebaseAuth firebaseAuth) {
+        auth = firebaseAuth;
+    }
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -61,41 +57,41 @@ public void onClick(View v) {
             }
         });
 
-
         Intent intent = getIntent();
         if (intent != null) {
             receivedTotalAmount = intent.getDoubleExtra("TOTAL_AMOUNT_KEY", 0.0);
-            // Now 'receivedTotalAmount' holds your total amount as a double, use it as needed
         }
 
+        if (auth == null) {
+            auth = FirebaseAuth.getInstance();
+        }
 
-        auth = FirebaseAuth.getInstance();
         firestore = FirebaseFirestore.getInstance();
 
         recyclerView = findViewById(R.id.address_recycler);
-
         addAddress = findViewById(R.id.add_address_btn);
         paymentBtn = findViewById(R.id.payment_btn);
 
         recyclerView.setLayoutManager(new LinearLayoutManager(getApplicationContext()));
-
         addressModelList = new ArrayList<>();
-        addressAdapter = new AddressAdapter(getApplicationContext(),addressModelList,this) ;
+        addressAdapter = new AddressAdapter(getApplicationContext(), addressModelList, this);
         recyclerView.setAdapter(addressAdapter);
 
-        firestore.collection("CurrentUser").document(auth.getCurrentUser().getUid())
-                        .collection("Address").get().addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {
-                    @Override
-                    public void onComplete(@NonNull Task<QuerySnapshot> task) {
-                        if (task.isSuccessful()){
-                            for (DocumentSnapshot doc: task.getResult().getDocuments()){
-                                AddressModel addressModel = doc.toObject(AddressModel.class);
-                                addressModelList.add(addressModel);
-                                addressAdapter.notifyDataSetChanged();
+        if (auth.getCurrentUser() != null) {
+            firestore.collection("CurrentUser").document(auth.getCurrentUser().getUid())
+                    .collection("Address").get().addOnCompleteListener(new OnCompleteListener<QuerySnapshot>() {
+                        @Override
+                        public void onComplete(@NonNull Task<QuerySnapshot> task) {
+                            if (task.isSuccessful()) {
+                                for (DocumentSnapshot doc : task.getResult().getDocuments()) {
+                                    AddressModel addressModel = doc.toObject(AddressModel.class);
+                                    addressModelList.add(addressModel);
+                                    addressAdapter.notifyDataSetChanged();
+                                }
                             }
                         }
-                    }
-                });
+                    });
+        }
 
         paymentBtn.setOnClickListener(new View.OnClickListener() {
             @Override
@@ -112,11 +108,10 @@ public void onClick(View v) {
                 startActivity(new Intent(AddressActivity.this, AddAddressActivity.class));
             }
         });
-
     }
 
     @Override
     public void setAddress(String address) {
         mAddress = address;
     }
-}
+}

app/src/main/res/layout/activity_payment.xml

@@ -5,7 +5,8 @@
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     android:background="@color/white"
-    tools:context=".activities.PaymentActivity">
+    tools:context=".activities.PaymentActivity"
+    android:id="@+id/payment_layer_id">
 
     <androidx.appcompat.widget.Toolbar
         android:id="@+id/payment_toolbar"