changes

test/view_models/auth_view_model_utility_test.dart

@@ -0,0 +1,128 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:tm_app/core/utils/result.dart';
+import 'package:tm_app/view_models/auth_view_model.dart';
+
+import '../fixtures/test_fixtures.dart';
+import '../mocks/mock_auth_repository.dart';
+
+void main() {
+  group('AuthViewModel Utility Methods', () {
+    late MockAuthRepository mockRepository;
+    late AuthViewModel authViewModel;
+
+    setUp(() {
+      mockRepository = MockAuthRepository();
+      authViewModel = AuthViewModel(authRepository: mockRepository);
+    });
+
+    tearDown(() {
+      authViewModel.dispose();
+    });
+
+    group('Password Visibility Toggle', () {
+      test('should toggle password visibility', () {
+        expect(authViewModel.obscurePassword, true);
+
+        authViewModel.togglePasswordVisibility();
+        expect(authViewModel.obscurePassword, false);
+
+        authViewModel.togglePasswordVisibility();
+        expect(authViewModel.obscurePassword, true);
+      });
+
+      test('should toggle forgot password visibility', () {
+        expect(authViewModel.obscureForgotPassword, true);
+
+        authViewModel.toggleForgotPasswordVisibility();
+        expect(authViewModel.obscureForgotPassword, false);
+
+        authViewModel.toggleForgotPasswordVisibility();
+        expect(authViewModel.obscureForgotPassword, true);
+      });
+    });
+
+    group('Message Clearing', () {
+      test('should clear messages', () {
+        // Set some messages first through login error
+        mockRepository.setLoginResult(Result.error(Exception('Login failed')));
+        authViewModel.usernameController.text = 'testuser';
+        authViewModel.passwordController.text = 'wrongpass';
+
+        authViewModel.clearMessages();
+
+        expect(authViewModel.successMessage, null);
+        expect(authViewModel.errorMessage, null);
+      });
+    });
+
+    group('Check Login Status', () {
+      test('should check if user is logged in - true', () async {
+        mockRepository.setCheckIsLoggedInResult(const Result.ok(true));
+
+        await authViewModel.checkIsLoggedIn();
+
+        expect(authViewModel.isLoggedIn, true);
+      });
+
+      test('should check if user is logged in - false', () async {
+        mockRepository.setCheckIsLoggedInResult(const Result.ok(false));
+
+        await authViewModel.checkIsLoggedIn();
+
+        expect(authViewModel.isLoggedIn, false);
+      });
+
+      test('should handle check login error', () async {
+        mockRepository.setCheckIsLoggedInResult(
+          Result.error(Exception('Check failed')),
+        );
+
+        await authViewModel.checkIsLoggedIn();
+
+        expect(authViewModel.isLoggedIn, false);
+      });
+    });
+
+    group('Local Logout', () {
+      test('should perform local logout', () async {
+        // Set a logged in user first
+        authViewModel.usernameController.text = 'testuser';
+        authViewModel.passwordController.text = 'testpass';
+        mockRepository.setLoginResult(
+          const Result.ok(TestFixtures.loginResponse),
+        );
+        await authViewModel.login();
+
+        await authViewModel.localLogout();
+
+        expect(authViewModel.loggedInUser, null);
+      });
+
+      test('should handle local logout exception', () async {
+        mockRepository.setLocalLogoutException(
+          Exception('Local logout failed'),
+        );
+
+        // Should not throw exception
+        await authViewModel.localLogout();
+
+        expect(authViewModel.loggedInUser, null);
+      });
+    });
+
+    group('Text Change Notification', () {
+      test('should notify listeners on text change', () {
+        int notificationCount = 0;
+
+        authViewModel.addListener(() {
+          notificationCount++;
+        });
+
+        // Trigger text change
+        authViewModel.usernameController.text = 'test';
+
+        expect(notificationCount, greaterThan(0));
+      });
+    });
+  });
+}