tm_app/test/view_models/auth_view_model_validation_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:tm_app/view_models/auth_view_model.dart';

import '../mocks/mock_auth_repository.dart';

void main() {
  group('AuthViewModel Validation', () {
    late MockAuthRepository mockRepository;
    late AuthViewModel authViewModel;

    setUp(() {
      mockRepository = MockAuthRepository();
      authViewModel = AuthViewModel(authRepository: mockRepository);
    });

    tearDown(() {
      authViewModel.dispose();
    });

    group('Email Validation', () {
      test('should return true for valid email', () {
        authViewModel.emailController.text = 'test@example.com';
        expect(authViewModel.isEmailValid, true);
      });

      test('should return false for invalid email', () {
        authViewModel.emailController.text = 'invalid-email';
        expect(authViewModel.isEmailValid, false);
      });

      test('should return false for empty email', () {
        authViewModel.emailController.text = '';
        expect(authViewModel.isEmailValid, false);
      });

      test('should return false for email without domain', () {
        authViewModel.emailController.text = 'test@';
        expect(authViewModel.isEmailValid, false);
      });
    });

    group('OTP Validation', () {
      test('should return true for valid 6-digit OTP', () {
        authViewModel.otpController.text = '123456';
        expect(authViewModel.isOtpValid, true);
        expect(authViewModel.canSubmitOtpPage, true);
      });

      test('should return false for invalid OTP length', () {
        authViewModel.otpController.text = '12345';
        expect(authViewModel.isOtpValid, false);
        expect(authViewModel.canSubmitOtpPage, false);
      });

      test('should return false for empty OTP', () {
        authViewModel.otpController.text = '';
        expect(authViewModel.isOtpValid, false);
        expect(authViewModel.canSubmitOtpPage, false);
      });
    });

    group('Password Validation', () {
      test('should return true for valid password', () {
        authViewModel.newPasswordController.text = 'Test123!';
        expect(authViewModel.isNewPasswordValid, true);
      });

      test('should return false for password without uppercase', () {
        authViewModel.newPasswordController.text = 'test123!';
        expect(authViewModel.isNewPasswordValid, false);
      });

      test('should return false for password without lowercase', () {
        authViewModel.newPasswordController.text = 'TEST123!';
        expect(authViewModel.isNewPasswordValid, false);
      });

      test('should return false for password without special character', () {
        authViewModel.newPasswordController.text = 'Test123';
        expect(authViewModel.isNewPasswordValid, false);
      });

      test('should return false for password too short', () {
        authViewModel.newPasswordController.text = 'Te1!';
        expect(authViewModel.isNewPasswordValid, false);
      });

      test('should return false for empty password', () {
        authViewModel.newPasswordController.text = '';
        expect(authViewModel.isNewPasswordValid, false);
      });
    });
  });
}