test: board background sprite

packages/pinball_components/test/src/components/board_background_sprite_component_test.dart

@@ -0,0 +1,48 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:flame/components.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball_components/pinball_components.dart';
+
+import '../../helpers/helpers.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+  final assets = [
+    Assets.images.boardBackground.keyName,
+  ];
+  final flameTester = FlameTester(() => TestGame(assets));
+
+  group('BoardBackgroundSpriteComponent', () {
+    flameTester.test(
+      'loads correctly',
+      (game) async {
+        final boardBackground = BoardBackgroundSpriteComponent();
+        await game.ensureAdd(boardBackground);
+
+        expect(game.contains(boardBackground), isTrue);
+      },
+    );
+
+    flameTester.testGameWidget(
+      'renders correctly',
+      setUp: (game, tester) async {
+        await game.images.loadAll(assets);
+        final boardBackground = BoardBackgroundSpriteComponent();
+        await game.ensureAdd(boardBackground);
+        await tester.pump();
+
+        game.camera
+          ..followVector2(Vector2.zero())
+          ..zoom = 3.7;
+      },
+      verify: (game, tester) async {
+        await expectLater(
+          find.byGame<TestGame>(),
+          matchesGoldenFile('golden/board-background.png'),
+        );
+      },
+    );
+  });
+}

test/game/pinball_game_test.dart

@@ -24,6 +24,7 @@ void main() {
     Assets.images.backboard.backboardScores.keyName,
     Assets.images.backboard.backboardGameOver.keyName,
     Assets.images.backboard.display.keyName,
+    Assets.images.boardBackground.keyName,
     Assets.images.ball.ball.keyName,
     Assets.images.ball.flameEffect.keyName,
     Assets.images.baseboard.left.keyName,