feat(apps): add RegisterCubit for signup form
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qzl
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import 'package:flutter_bloc/flutter_bloc.dart';
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import 'package:formz/formz.dart';
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import 'package:equatable/equatable.dart';
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import '../../data/auth_repository.dart';
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import '../../data/models/signup_request.dart';
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import '../../data/models/auth_response.dart';
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class Username extends FormzInput<String, String> {
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const Username.pure() : super.pure('');
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const Username.dirty([super.value = '']) : super.dirty();
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@override
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String? validator(String value) {
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if (value.isEmpty) return 'Username is required';
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if (value.length < 3) return 'Username must be at least 3 characters';
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if (value.length > 30) return 'Username must be at most 30 characters';
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return null;
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}
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}
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class Email extends FormzInput<String, String> {
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const Email.pure() : super.pure('');
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const Email.dirty([super.value = '']) : super.dirty();
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static final _regex = RegExp(r'^[\w.-]+@[\w.-]+\.\w+$');
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@override
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String? validator(String value) {
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if (value.isEmpty) return 'Email is required';
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if (!_regex.hasMatch(value)) return 'Invalid email format';
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return null;
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}
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}
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class Password extends FormzInput<String, String> {
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const Password.pure() : super.pure('');
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const Password.dirty([super.value = '']) : super.dirty();
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@override
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String? validator(String value) {
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if (value.isEmpty) return 'Password is required';
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if (value.length < 6) return 'Password must be at least 6 characters';
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return null;
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}
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}
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class VerificationCode extends FormzInput<String, String> {
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const VerificationCode.pure() : super.pure('');
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const VerificationCode.dirty([super.value = '']) : super.dirty();
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@override
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String? validator(String value) {
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if (value.isEmpty) return 'Code is required';
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if (!RegExp(r'^\d{6}$').hasMatch(value)) return 'Code must be 6 digits';
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return null;
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}
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}
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class RegisterState extends Equatable {
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final Username username;
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final Email email;
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final Password password;
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final VerificationCode verificationCode;
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final FormzSubmissionStatus status;
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final String? errorMessage;
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final String? pendingEmail;
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final bool codeSent;
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const RegisterState({
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this.username = const Username.pure(),
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this.email = const Email.pure(),
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this.password = const Password.pure(),
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this.verificationCode = const VerificationCode.pure(),
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this.status = FormzSubmissionStatus.initial,
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this.errorMessage,
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this.pendingEmail,
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this.codeSent = false,
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});
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bool get isStep1Valid =>
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username.isValid && email.isValid && password.isValid;
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bool get isStep2Valid => verificationCode.isValid;
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RegisterState copyWith({
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Username? username,
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Email? email,
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Password? password,
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VerificationCode? verificationCode,
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FormzSubmissionStatus? status,
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String? errorMessage,
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String? pendingEmail,
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bool? codeSent,
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}) {
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return RegisterState(
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username: username ?? this.username,
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email: email ?? this.email,
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password: password ?? this.password,
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verificationCode: verificationCode ?? this.verificationCode,
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status: status ?? this.status,
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errorMessage: errorMessage,
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pendingEmail: pendingEmail ?? this.pendingEmail,
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codeSent: codeSent ?? this.codeSent,
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);
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}
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@override
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List<Object?> get props => [
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username,
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email,
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password,
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verificationCode,
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status,
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errorMessage,
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pendingEmail,
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codeSent,
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];
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}
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class RegisterCubit extends Cubit<RegisterState> {
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final AuthRepository _repository;
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RegisterCubit(this._repository) : super(const RegisterState());
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void usernameChanged(String value) {
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emit(state.copyWith(username: Username.dirty(value)));
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}
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void emailChanged(String value) {
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emit(state.copyWith(email: Email.dirty(value)));
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}
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void passwordChanged(String value) {
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emit(state.copyWith(password: Password.dirty(value)));
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}
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void verificationCodeChanged(String value) {
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emit(state.copyWith(verificationCode: VerificationCode.dirty(value)));
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}
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Future<bool> submitStep1() async {
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if (!state.isStep1Valid) return false;
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emit(state.copyWith(status: FormzSubmissionStatus.inProgress));
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try {
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final response = await _repository.signupStart(
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SignupStartRequest(
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username: state.username.value,
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email: state.email.value,
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password: state.password.value,
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),
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);
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emit(
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state.copyWith(
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status: FormzSubmissionStatus.success,
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pendingEmail: response.email,
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codeSent: true,
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),
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);
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return true;
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} catch (e) {
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emit(
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state.copyWith(
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status: FormzSubmissionStatus.failure,
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errorMessage: e.toString(),
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),
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);
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return false;
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}
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}
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Future<AuthResponse?> submitStep2() async {
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if (!state.isStep2Valid || state.pendingEmail == null) return null;
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emit(state.copyWith(status: FormzSubmissionStatus.inProgress));
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try {
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final response = await _repository.signupVerify(
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SignupVerifyRequest(
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email: state.pendingEmail!,
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token: state.verificationCode.value,
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),
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);
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emit(state.copyWith(status: FormzSubmissionStatus.success));
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return response;
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} catch (e) {
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emit(
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state.copyWith(
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status: FormzSubmissionStatus.failure,
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errorMessage: e.toString(),
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),
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);
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return null;
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}
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}
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Future<void> resendCode() async {
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if (state.pendingEmail == null) return;
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try {
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await _repository.signupResend(
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SignupResendRequest(email: state.pendingEmail!),
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);
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emit(state.copyWith(codeSent: true));
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} catch (e) {
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emit(state.copyWith(errorMessage: e.toString()));
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}
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}
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}
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@@ -0,0 +1,49 @@
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import 'package:bloc_test/bloc_test.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:formz/formz.dart';
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import 'package:mocktail/mocktail.dart';
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import 'package:social_app/features/auth/data/auth_repository.dart';
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import 'package:social_app/features/auth/presentation/cubits/register_cubit.dart';
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class MockAuthRepository extends Mock implements AuthRepository {}
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void main() {
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late RegisterCubit cubit;
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late MockAuthRepository mockRepository;
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setUp(() {
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mockRepository = MockAuthRepository();
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cubit = RegisterCubit(mockRepository);
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});
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tearDown(() {
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cubit.close();
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});
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group('RegisterCubit', () {
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test('initial state has pure status', () {
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expect(cubit.state.status, FormzSubmissionStatus.initial);
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});
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blocTest<RegisterCubit, RegisterState>(
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'usernameChanged updates username',
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build: () => cubit,
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act: (c) => c.usernameChanged('testuser'),
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expect: () => [isA<RegisterState>()],
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);
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blocTest<RegisterCubit, RegisterState>(
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'emailChanged updates email',
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build: () => cubit,
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act: (c) => c.emailChanged('test@example.com'),
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expect: () => [isA<RegisterState>()],
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);
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blocTest<RegisterCubit, RegisterState>(
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'passwordChanged updates password',
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build: () => cubit,
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act: (c) => c.passwordChanged('password123'),
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expect: () => [isA<RegisterState>()],
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);
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});
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}
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