fix: apply code review

lib/game/bloc/game_state.dart

@@ -14,10 +14,10 @@ enum GameBonus {
   sparkyTurboCharge,
 
   /// Bonus achieved when the ball goes in the dino mouth.
-  dino,
+  dinoChomp,
 
   /// Bonus achieved when a ball enters the android spaceship.
-  android,
+  androidSpaceship,
 }
 
 /// {@template game_state}

lib/game/view/widgets/ball_count_display.dart

@@ -6,8 +6,8 @@ import 'package:pinball/game/game.dart';
 import 'package:pinball/l10n/l10n.dart';
 import 'package:pinball/theme/theme.dart';
 
-class ScoreBalls extends StatelessWidget {
+class BallCountDisplay extends StatelessWidget {
-  const ScoreBalls({Key? key}) : super(key: key);
+  const BallCountDisplay({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -25,9 +25,9 @@ class ScoreBalls extends StatelessWidget {
         const SizedBox(width: 8),
         Row(
           children: [
-            ScoreBall(isActive: balls >= 1),
+            BallIndicator(isActive: balls >= 1),
-            ScoreBall(isActive: balls >= 2),
+            BallIndicator(isActive: balls >= 2),
-            ScoreBall(isActive: balls >= 3),
+            BallIndicator(isActive: balls >= 3),
           ],
         ),
       ],
@@ -36,8 +36,8 @@ class ScoreBalls extends StatelessWidget {
 }
 
 @visibleForTesting
-class ScoreBall extends StatelessWidget {
+class BallIndicator extends StatelessWidget {
-  const ScoreBall({
+  const BallIndicator({
     Key? key,
     required this.isActive,
   }) : super(key: key);

lib/game/view/widgets/bonus_animation.dart

@@ -32,7 +32,7 @@ class BonusAnimation extends StatelessWidget {
           key: key,
         );
 
-  BonusAnimation.dino({
+  BonusAnimation.dinoChomp({
     Key? key,
     VoidCallback? onCompleted,
   }) : this._(
@@ -41,7 +41,7 @@ class BonusAnimation extends StatelessWidget {
           key: key,
         );
 
-  BonusAnimation.android({
+  BonusAnimation.androidSpaceship({
     Key? key,
     VoidCallback? onCompleted,
   }) : this._(
@@ -50,7 +50,7 @@ class BonusAnimation extends StatelessWidget {
           key: key,
         );
 
-  BonusAnimation.google({
+  BonusAnimation.googleWord({
     Key? key,
     VoidCallback? onCompleted,
   }) : this._(

lib/game/view/widgets/game_hud.dart

@@ -4,7 +4,7 @@ import 'package:pinball/game/game.dart';
 import 'package:pinball/gen/gen.dart';
 
 /// {@template game_hud}
-/// Overlay of a [PinballGame].
+/// Overlay on the [PinballGame].
 ///
 /// Displays the current [GameState.score], [GameState.balls] and animates when
 /// the player gets a [GameBonus].
@@ -33,7 +33,8 @@ class _GameHudState extends State<GameHud> {
         height: _width / _ratio,
         width: _width,
         child: BlocListener<GameBloc, GameState>(
-          listenWhen: _listenWhenBonusChanges,
+          listenWhen: (previous, current) =>
+              previous.bonusHistory.length != current.bonusHistory.length,
           listener: (_, __) => setState(() => showAnimation = true),
           child: AnimatedSwitcher(
             duration: kThemeAnimationDuration,
@@ -51,12 +52,6 @@ class _GameHudState extends State<GameHud> {
       ),
     );
   }
-
-  bool _listenWhenBonusChanges(GameState previous, GameState current) {
-    final previousCount = previous.bonusHistory.length;
-    final currentCount = current.bonusHistory.length;
-    return previousCount != currentCount;
-  }
 }
 
 class _ScoreViewDecoration extends StatelessWidget {
@@ -105,12 +100,12 @@ class _AnimationView extends StatelessWidget {
         return BonusAnimation.dashNest(onCompleted: onComplete);
       case GameBonus.sparkyTurboCharge:
         return BonusAnimation.sparkyTurboCharge(onCompleted: onComplete);
-      case GameBonus.dino:
+      case GameBonus.dinoChomp:
-        return BonusAnimation.dino(onCompleted: onComplete);
+        return BonusAnimation.dinoChomp(onCompleted: onComplete);
       case GameBonus.googleWord:
-        return BonusAnimation.google(onCompleted: onComplete);
+        return BonusAnimation.googleWord(onCompleted: onComplete);
-      case GameBonus.android:
+      case GameBonus.androidSpaceship:
-        return BonusAnimation.android(onCompleted: onComplete);
+        return BonusAnimation.androidSpaceship(onCompleted: onComplete);
     }
   }
 }

lib/game/view/widgets/score_view.dart

@@ -21,7 +21,7 @@ class ScoreView extends StatelessWidget {
       ),
       child: AnimatedSwitcher(
         duration: kThemeAnimationDuration,
-        child: isGameOver ? const _GameOver() : const _ScoreWidget(),
+        child: isGameOver ? const _GameOver() : const _ScoreDisplay(),
       ),
     );
   }
@@ -43,8 +43,8 @@ class _GameOver extends StatelessWidget {
   }
 }
 
-class _ScoreWidget extends StatelessWidget {
+class _ScoreDisplay extends StatelessWidget {
-  const _ScoreWidget({Key? key}) : super(key: key);
+  const _ScoreDisplay({Key? key}) : super(key: key);
 
   @override
   Widget build(BuildContext context) {
@@ -52,6 +52,7 @@ class _ScoreWidget extends StatelessWidget {
 
     return Column(
       crossAxisAlignment: CrossAxisAlignment.start,
+      mainAxisAlignment: MainAxisAlignment.spaceEvenly,
       children: [
         Text(
           l10n.score.toLowerCase(),
@@ -60,7 +61,7 @@ class _ScoreWidget extends StatelessWidget {
           ),
         ),
         const _ScoreText(),
-        const ScoreBalls(),
+        const BallCountDisplay(),
       ],
     );
   }

lib/game/view/widgets/widgets.dart

@@ -1,5 +1,5 @@
+export 'ball_count_display.dart';
 export 'bonus_animation.dart';
 export 'game_hud.dart';
 export 'play_button_overlay.dart';
-export 'score_ball.dart';
 export 'score_view.dart';

test/game/view/widgets/ball_count_display_test.dart

@@ -27,12 +27,12 @@ void main() {
 
     testWidgets('three active balls', (tester) async {
       await tester.pumpApp(
-        const ScoreBalls(),
+        const BallCountDisplay(),
         gameBloc: gameBloc,
       );
       await tester.pump();
 
-      expect(find.byType(ScoreBall), findsNWidgets(3));
+      expect(find.byType(BallIndicator), findsNWidgets(3));
     });
 
     testWidgets('two active balls', (tester) async {
@@ -46,31 +46,62 @@ void main() {
       );
 
       await tester.pumpApp(
-        const ScoreBalls(),
+        const BallCountDisplay(),
         gameBloc: gameBloc,
       );
       await tester.pump();
 
       expect(
         find.byWidgetPredicate(
-          (widget) => widget is ScoreBall && widget.isActive,
+          (widget) => widget is BallIndicator && widget.isActive,
         ),
         findsNWidgets(2),
       );
 
       expect(
         find.byWidgetPredicate(
-          (widget) => widget is ScoreBall && !widget.isActive,
+          (widget) => widget is BallIndicator && !widget.isActive,
         ),
         findsOneWidget,
       );
     });
+
+    testWidgets('one active balls', (tester) async {
+      final state = initialState.copyWith(
+        balls: 1,
+      );
+      whenListen(
+        gameBloc,
+        Stream.value(state),
+        initialState: state,
+      );
+
+      await tester.pumpApp(
+        const BallCountDisplay(),
+        gameBloc: gameBloc,
+      );
+      await tester.pump();
+
+      expect(
+        find.byWidgetPredicate(
+          (widget) => widget is BallIndicator && widget.isActive,
+        ),
+        findsOneWidget,
+      );
+
+      expect(
+        find.byWidgetPredicate(
+          (widget) => widget is BallIndicator && !widget.isActive,
+        ),
+        findsNWidgets(2),
+      );
+    });
   });
 
   testWidgets('active score ball is displaying with proper color',
       (tester) async {
     await tester.pumpApp(
-      const ScoreBall(isActive: true),
+      const BallIndicator(isActive: true),
     );
     await tester.pump();
 
@@ -85,7 +116,7 @@ void main() {
   testWidgets('inactive score ball is displaying with proper color',
       (tester) async {
     await tester.pumpApp(
-      const ScoreBall(isActive: false),
+      const BallIndicator(isActive: false),
     );
     await tester.pump();
 

test/game/view/widgets/bonus_animation_test.dart

@@ -34,7 +34,7 @@ void main() {
 
     testWidgets('dino', (tester) async {
       await tester.pumpApp(
-        BonusAnimation.dino(),
+        BonusAnimation.dinoChomp(),
       );
       await tester.pump();
 
@@ -52,7 +52,7 @@ void main() {
 
     testWidgets('google', (tester) async {
       await tester.pumpApp(
-        BonusAnimation.google(),
+        BonusAnimation.googleWord(),
       );
       await tester.pump();
 
@@ -61,7 +61,7 @@ void main() {
 
     testWidgets('android', (tester) async {
       await tester.pumpApp(
-        BonusAnimation.android(),
+        BonusAnimation.androidSpaceship(),
       );
       await tester.pump();
 

test/game/view/widgets/game_hud_test.dart

@@ -9,27 +9,26 @@ import 'package:flutter_localizations/flutter_localizations.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:pinball/game/game.dart';
 import 'package:pinball/l10n/l10n.dart';
+import 'package:pinball_components/pinball_components.dart';
 import '../../../helpers/helpers.dart';
 
 void main() {
   group('GameHud', () {
     late GameBloc gameBloc;
-    late StreamController<GameState> stateController;
 
     const initialState = GameState(
-      score: 10,
+      score: 1000,
       balls: 2,
       bonusHistory: [],
     );
 
     setUp(() async {
       gameBloc = MockGameBloc();
-      stateController = StreamController<GameState>()..add(initialState);
       await BonusAnimation.loadAssets();
 
       whenListen(
         gameBloc,
-        stateController.stream,
+        Stream.value(initialState),
         initialState: initialState,
       );
     });
@@ -63,7 +62,7 @@ void main() {
             gameBloc: gameBloc,
           );
 
-          expect(find.text(initialState.score.toString()), findsOneWidget);
+          expect(find.text(initialState.score.formatScore()), findsOneWidget);
         },
       );
 
@@ -72,15 +71,21 @@ void main() {
         (tester) async {
           final state = initialState.copyWith(
             bonusHistory: [GameBonus.dashNest],
+            balls: 0,
           );
-          stateController.add(state);
 
+          whenListen(
+            gameBloc,
+            Stream.value(state),
+            initialState: initialState,
+          );
           await tester.pumpApp(
             GameHud(),
             gameBloc: gameBloc,
           );
 
           expect(find.byType(ScoreView), findsOneWidget);
+          expect(find.byType(BonusAnimation), findsNothing);
         },
       );
     });
@@ -106,7 +111,7 @@ void main() {
     }
 
     testWidgets(
-      'is going back to ScoreView after the animation',
+      'goes back to ScoreView after the animation',
       (tester) async {
         await tester.runAsync(() async {
           final state = initialState.copyWith(