Add ButtonComponentTest

packages/flame/test/components/button_component_test.dart

@@ -0,0 +1,112 @@
+import 'package:flame/components.dart';
+import 'package:flame/extensions.dart';
+import 'package:flame/input.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+import '../game/flame_game_test.dart';
+
+void main() async {
+ group('ButtonComponent', () {
+ testWithGame<GameWithTappables>(
+ 'correctly registers taps', GameWithTappables.new, (game) async {
+ var pressedTimes = 0;
+ var releasedTimes = 0;
+ final initialGameSize = Vector2.all(100);
+ final componentSize = Vector2.all(10);
+ final buttonPosition = Vector2.all(100);
+ late final ButtonComponent button;
+ game.onGameResize(initialGameSize);
+ await game.ensureAdd(
+ button = ButtonComponent(
+ button: RectangleComponent(size: componentSize),
+ onPressed: () => pressedTimes++,
+ onReleased: () => releasedTimes++,
+ position: buttonPosition,
+ size: componentSize,
+ ),
+ );
+
+ expect(pressedTimes, 0);
+ expect(releasedTimes, 0);
+
+ game.onTapDown(1, createTapDownEvent(game));
+ expect(pressedTimes, 0);
+ expect(releasedTimes, 0);
+
+ game.onTapUp(
+ 1,
+ createTapUpEvent(
+ game,
+ globalPosition: button.positionOfAnchor(Anchor.center).toOffset(),
+ ),
+ );
+ expect(pressedTimes, 0);
+ expect(releasedTimes, 0);
+
+ game.onTapDown(
+ 1,
+ createTapDownEvent(
+ game,
+ globalPosition: buttonPosition.toOffset(),
+ ),
+ );
+ expect(pressedTimes, 1);
+ expect(releasedTimes, 0);
+
+ game.onTapUp(
+ 1,
+ createTapUpEvent(
+ game,
+ globalPosition: buttonPosition.toOffset(),
+ ),
+ );
+ expect(pressedTimes, 1);
+ expect(releasedTimes, 1);
+ });
+
+ testWithGame<GameWithTappables>(
+ 'correctly registers taps onGameResize', GameWithTappables.new,
+ (game) async {
+ var pressedTimes = 0;
+ var releasedTimes = 0;
+ final initialGameSize = Vector2.all(100);
+ final componentSize = Vector2.all(10);
+ final buttonPosition = Vector2.all(100);
+ late final ButtonComponent button;
+ game.onGameResize(initialGameSize);
+ await game.ensureAdd(
+ button = ButtonComponent(
+ button: RectangleComponent(size: componentSize),
+ onPressed: () => pressedTimes++,
+ onReleased: () => releasedTimes++,
+ position: buttonPosition,
+ size: componentSize,
+ ),
+ );
+ final previousPosition =
+ button.positionOfAnchor(Anchor.center).toOffset();
+ game.onGameResize(initialGameSize * 2);
+
+ game.onTapDown(
+ 1,
+ createTapDownEvent(
+ game,
+ globalPosition: previousPosition,
+ ),
+ );
+ expect(pressedTimes, 1);
+ expect(releasedTimes, 0);
+
+ game.onTapUp(
+ 1,
+ createTapUpEvent(
+ game,
+ globalPosition: previousPosition,
+ ),
+ );
+ expect(pressedTimes, 1);
+ expect(releasedTimes, 1);
+ });
+ });
+}