refactor!: cubit extends bloc (#2044)

* docs: fix typo in fluttertodostutorial.md (#2036) * ci: update docs workflow to use create-an-issue@v2 * refactor!: cubit extends bloc * feat(bloc_test): bloc-base refactor * refactor: update imports * revert: bloc_test changes * refactor: simplify controller initialization and getters * refactor!(bloc_test): null safety (#2067) * refactor!(bloc_test): null safety * ci: use Dart 2.12 * chore: fix tests and bump to mocktail 0.0.1-dev.7 * refactor(bloc_test): minor improvements and documentation updates * refactor: remove redundant _observer Co-authored-by: Cervon Wong <[email protected]>
felangel · Jan 18, 2021 · ee2aff2 · ee2aff2
1 parent 61ac51d
commit ee2aff2
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diff --git a/.github/workflows/bloc_test.yaml b/.github/workflows/bloc_test.yaml
@@ -18,7 +18,7 @@ jobs:
         working-directory: packages/bloc_test
     runs-on: ubuntu-latest
     container:
-      image: google/dart:2.10.0
+      image: google/dart:2.12-dev
     steps:
       - uses: actions/checkout@v2
       - name: Install Dependencies
@@ -30,7 +30,7 @@ jobs:
       - name: Run tests
         run: dart test --coverage=coverage && pub run coverage:format_coverage --lcov --in=coverage --out=coverage/lcov.info --packages=.packages --report-on=lib
       - name: Check Code Coverage
-        uses: ChicagoFlutter/lcov-cop@v1.0.0
+        uses: VeryGoodOpenSource/very_good_coverage@v1.1.1
         with:
           path: packages/bloc_test/coverage/lcov.info
       - name: Upload coverage to Codecov

diff --git a/examples/flutter_complex_list/lib/simple_bloc_observer.dart b/examples/flutter_complex_list/lib/simple_bloc_observer.dart
@@ -2,14 +2,14 @@ import 'package:bloc/bloc.dart';
 
 class SimpleBlocObserver extends BlocObserver {
   @override
-  void onError(Cubit cubit, Object error, StackTrace stackTrace) {
+  void onError(Bloc bloc, Object error, StackTrace stackTrace) {
     print(error);
-    super.onError(cubit, error, stackTrace);
+    super.onError(bloc, error, stackTrace);
   }
 
   @override
-  void onChange(Cubit cubit, Change change) {
-    print(change);
-    super.onChange(cubit, change);
+  void onTransition(Bloc bloc, Transition transition) {
+    print(transition);
+    super.onTransition(bloc, transition);
   }
 }
diff --git a/examples/flutter_complex_list/pubspec.yaml b/examples/flutter_complex_list/pubspec.yaml
@@ -14,5 +14,11 @@ dependencies:
   equatable: ^2.0.0-nullsafety.0
   pedantic: ^1.10.0-nullsafety.3
 
+dependency_overrides:
+  bloc:
+    path: ../../packages/bloc
+  flutter_bloc:
+    path: ../../packages/flutter_bloc
+
 flutter:
   uses-material-design: true
diff --git a/examples/flutter_counter/lib/counter_observer.dart b/examples/flutter_counter/lib/counter_observer.dart
@@ -2,12 +2,12 @@ import 'package:bloc/bloc.dart';
 
 /// {@template counter_observer}
 /// [BlocObserver] for the counter application which
-/// observes all [Cubit] state changes.
+/// observes all [Bloc] state changes.
 /// {@endtemplate}
 class CounterObserver extends BlocObserver {
   @override
-  void onChange(Cubit cubit, Change change) {
-    print('${cubit.runtimeType} $change');
-    super.onChange(cubit, change);
+  void onTransition(Bloc bloc, Transition transition) {
+    print('${bloc.runtimeType} $transition');
+    super.onTransition(bloc, transition);
   }
 }
diff --git a/examples/flutter_counter/pubspec.yaml b/examples/flutter_counter/pubspec.yaml
@@ -19,12 +19,14 @@ dependency_overrides:
     path: ../../packages/bloc
   flutter_bloc:
     path: ../../packages/flutter_bloc
+  bloc_test:
+    path: ../../packages/bloc_test
 
 dev_dependencies:
   flutter_test:
     sdk: flutter
   bloc_test: ^7.1.0
-  mockito: ^4.0.0
+  mocktail: ">=0.0.1-dev.7 <0.1.0"
   integration_test: ^1.0.0
 
 flutter:

diff --git a/examples/flutter_counter/test/counter/cubit/counter_cubit_test.dart b/examples/flutter_counter/test/counter/cubit/counter_cubit_test.dart
@@ -1,4 +1,3 @@
-// ignore: import_of_legacy_library_into_null_safe
 import 'package:bloc_test/bloc_test.dart';
 import 'package:flutter_counter/counter/counter.dart';
 import 'package:flutter_test/flutter_test.dart';

diff --git a/examples/flutter_counter/test/counter/view/counter_view_test.dart b/examples/flutter_counter/test/counter/view/counter_view_test.dart
@@ -1,14 +1,12 @@
-// ignore: import_of_legacy_library_into_null_safe
 import 'package:bloc_test/bloc_test.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter_bloc/flutter_bloc.dart';
 import 'package:flutter_counter/counter/counter.dart';
 import 'package:flutter_counter/counter/view/counter_view.dart';
 import 'package:flutter_test/flutter_test.dart';
-// ignore: import_of_legacy_library_into_null_safe
-import 'package:mockito/mockito.dart';
+import 'package:mocktail/mocktail.dart';
 
-class MockCounterCubit extends MockBloc<int> implements CounterCubit {}
+class MockCounterCubit extends MockCubit<int> implements CounterCubit {}
 
 const _incrementButtonKey = Key('counterView_increment_floatingActionButton');
 const _decrementButtonKey = Key('counterView_decrement_floatingActionButton');
@@ -18,13 +16,15 @@ void main() {
 
   setUp(() {
     counterCubit = MockCounterCubit();
-    when(counterCubit.state).thenReturn(0);
+    when(counterCubit).calls(#state).thenReturn(0);
+    when(counterCubit).calls(#increment).thenReturn(() {});
+    when(counterCubit).calls(#decrement).thenReturn(() {});
     whenListen(counterCubit, Stream.value(0));
   });
 
   group('CounterView', () {
     testWidgets('renders current CounterCubit state', (tester) async {
-      when(counterCubit.state).thenReturn(42);
+      when(counterCubit).calls(#state).thenReturn(42);
       await tester.pumpWidget(
         MaterialApp(
           home: BlocProvider.value(
@@ -46,7 +46,7 @@ void main() {
         ),
       );
       await tester.tap(find.byKey(_incrementButtonKey));
-      verify(counterCubit.increment()).called(1);
+      verify(counterCubit).called(#increment).once();
     });
 
     testWidgets('tapping decrement button invokes decrement', (tester) async {
@@ -61,7 +61,7 @@ void main() {
       final decrementFinder = find.byKey(_decrementButtonKey);
       await tester.ensureVisible(decrementFinder);
       await tester.tap(decrementFinder);
-      verify(counterCubit.decrement()).called(1);
+      verify(counterCubit).called(#decrement).once();
     });
   });
 }
diff --git a/examples/flutter_shopping_cart/lib/simple_bloc_observer.dart b/examples/flutter_shopping_cart/lib/simple_bloc_observer.dart
@@ -8,9 +8,9 @@ class SimpleBlocObserver extends BlocObserver {
   }
 
   @override
-  void onError(Cubit cubit, Object error, StackTrace stackTrace) {
-    print('${cubit.runtimeType} $error');
-    super.onError(cubit, error, stackTrace);
+  void onError(Bloc bloc, Object error, StackTrace stackTrace) {
+    print('${bloc.runtimeType} $error');
+    super.onError(bloc, error, stackTrace);
   }
 
   @override

diff --git a/examples/flutter_todos/lib/blocs/simple_bloc_observer.dart b/examples/flutter_todos/lib/blocs/simple_bloc_observer.dart
@@ -16,8 +16,8 @@ class SimpleBlocObserver extends BlocObserver {
   }
 
   @override
-  void onError(Cubit cubit, Object error, StackTrace stackTrace) {
+  void onError(Bloc bloc, Object error, StackTrace stackTrace) {
     print(error);
-    super.onError(cubit, error, stackTrace);
+    super.onError(bloc, error, stackTrace);
   }
 }
diff --git a/packages/bloc/example/main.dart b/packages/bloc/example/main.dart
@@ -4,9 +4,9 @@ import 'package:bloc/bloc.dart';
 
 class SimpleBlocObserver extends BlocObserver {
   @override
-  void onCreate(Cubit cubit) {
-    super.onCreate(cubit);
-    print('onCreate -- cubit: ${cubit.runtimeType}');
+  void onCreate(Bloc bloc) {
+    super.onCreate(bloc);
+    print('onCreate -- bloc: ${bloc.runtimeType}');
   }
 
   @override
@@ -15,28 +15,22 @@ class SimpleBlocObserver extends BlocObserver {
     print('onEvent -- bloc: ${bloc.runtimeType}, event: $event');
   }
 
-  @override
-  void onChange(Cubit cubit, Change change) {
-    super.onChange(cubit, change);
-    print('onChange -- cubit: ${cubit.runtimeType}, change: $change');
-  }
-
   @override
   void onTransition(Bloc bloc, Transition transition) {
     super.onTransition(bloc, transition);
     print('onTransition -- bloc: ${bloc.runtimeType}, transition: $transition');
   }
 
   @override
-  void onError(Cubit cubit, Object error, StackTrace stackTrace) {
-    print('onError -- cubit: ${cubit.runtimeType}, error: $error');
-    super.onError(cubit, error, stackTrace);
+  void onError(Bloc bloc, Object error, StackTrace stackTrace) {
+    print('onError -- bloc: ${bloc.runtimeType}, error: $error');
+    super.onError(bloc, error, stackTrace);
   }
 
   @override
-  void onClose(Cubit cubit) {
-    super.onClose(cubit);
-    print('onClose -- cubit: ${cubit.runtimeType}');
+  void onClose(Bloc bloc) {
+    super.onClose(bloc);
+    print('onClose -- bloc: ${bloc.runtimeType}');
   }
 }
 

diff --git a/packages/bloc/lib/bloc.dart b/packages/bloc/lib/bloc.dart
@@ -2,6 +2,4 @@ library bloc;
 
 export './src/bloc.dart';
 export './src/bloc_observer.dart';
-export './src/change.dart';
-export './src/cubit.dart';
 export './src/transition.dart';