feat: logo icon restart flow

lib/home/bloc/home_bloc.dart

@@ -17,6 +17,7 @@ class HomeBloc extends Bloc<HomeEvent, HomeState> {
     on<Results>(_onResults);
     on<SeeSourceAnswersRequested>(_onSeeSourceAnswersRequested);
     on<SeeResultsSourceAnswers>(_onSeeSourceAnswers);
+    on<Restarted>(_onRestarted);
   }
 
   final QuestionsRepository _questionsRepository;
@@ -73,4 +74,11 @@ class HomeBloc extends Bloc<HomeEvent, HomeState> {
   ) {
     emit(state.copyWith(status: Status.seeSourceAnswers));
   }
+
+  void _onRestarted(
+    Restarted event,
+    Emitter<HomeState> emit,
+  ) {
+    emit(state.copyWith(status: Status.welcome));
+  }
 }

lib/home/bloc/home_event.dart

@@ -38,3 +38,7 @@ class SeeSourceAnswersRequested extends HomeEvent {
 class SeeResultsSourceAnswers extends HomeEvent {
   const SeeResultsSourceAnswers();
 }
+
+class Restarted extends HomeEvent {
+  const Restarted();
+}

lib/home/widgets/logo.dart

@@ -1,6 +1,8 @@
 import 'package:app_ui/app_ui.dart';
+import 'package:dash_ai_search/home/bloc/home_bloc.dart';
 import 'package:dash_ai_search/l10n/l10n.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 
 class Logo extends StatelessWidget {
   const Logo({super.key, this.hasDarkBackground = true});
@@ -23,7 +25,7 @@ class Logo extends StatelessWidget {
           ),
         ),
         const SizedBox(width: 4),
-        vertexIcons.asterisk.image(),
+        const LogoIcon(),
         const SizedBox(width: 4),
         Text(
           l10n.flutter,
@@ -35,3 +37,16 @@ class Logo extends StatelessWidget {
     );
   }
 }
+
+class LogoIcon extends StatelessWidget {
+  @visibleForTesting
+  const LogoIcon({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return IconButton(
+      onPressed: () => context.read<HomeBloc>().add(const Restarted()),
+      icon: vertexIcons.asterisk.image(),
+    );
+  }
+}

test/home/bloc/home_bloc_test.dart

@@ -112,5 +112,16 @@ void main() {
         ],
       );
     });
+
+    group('Restarted', () {
+      blocTest<HomeBloc, HomeState>(
+        'emits Status.welcome',
+        build: buildBloc,
+        act: (bloc) => bloc.add(Restarted()),
+        expect: () => [
+          HomeState(),
+        ],
+      );
+    });
   });
 }

test/home/bloc/home_event_test.dart

@@ -31,11 +31,32 @@ void main() {
       );
     });
 
+    test('Results supports value equality', () {
+      expect(
+        Results(),
+        equals(Results()),
+      );
+    });
+
     test('SeeSourceAnswersRequested supports value equality', () {
       expect(
         SeeSourceAnswersRequested(),
         equals(SeeSourceAnswersRequested()),
       );
     });
+
+    test('SeeResultsSourceAnswers supports value equality', () {
+      expect(
+        SeeResultsSourceAnswers(),
+        equals(SeeResultsSourceAnswers()),
+      );
+    });
+
+    test('Restarted supports value equality', () {
+      expect(
+        Restarted(),
+        equals(Restarted()),
+      );
+    });
   });
 }

test/home/widgets/logo_test.dart

@@ -1,12 +1,25 @@
+import 'package:bloc_test/bloc_test.dart';
 import 'package:dash_ai_search/home/home.dart';
 import 'package:dash_ai_search/l10n/l10n.dart';
 import 'package:flutter/material.dart';
+import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_test/flutter_test.dart';
+import 'package:mocktail/mocktail.dart';
 
 import '../../helpers/helpers.dart';
 
+class _MockHomeBloc extends MockBloc<HomeEvent, HomeState>
+    implements HomeBloc {}
+
 void main() {
   group('Logo', () {
+    late HomeBloc homeBloc;
+
+    setUp(() {
+      homeBloc = _MockHomeBloc();
+      when(() => homeBloc.state).thenReturn(HomeState());
+    });
+
     testWidgets('renders correctly', (tester) async {
       await tester.pumpApp(
         Logo(),
@@ -18,5 +31,19 @@ void main() {
       expect(find.byType(Image), findsOneWidget);
       expect(find.text(l10n.flutter), findsOneWidget);
     });
+
+    testWidgets(
+      'calls Restarted clicking on the logo ',
+      (WidgetTester tester) async {
+        await tester.pumpApp(
+          BlocProvider.value(
+            value: homeBloc,
+            child: Logo(),
+          ),
+        );
+        await tester.tap(find.byType(LogoIcon));
+        verify(() => homeBloc.add(Restarted())).called(1);
+      },
+    );
   });
 }