From be299bcd51a68d3993e814be39519a71aef84f61 Mon Sep 17 00:00:00 2001
From: Alejandro Santiago <dev@alestiago.com>
Date: Wed, 2 Mar 2022 09:40:37 +0000
Subject: [PATCH 1/2] chore: included dependecy on flame_test (#5)

---
 pubspec.lock | 7 +++++++
 pubspec.yaml | 1 +
 2 files changed, 8 insertions(+)

diff --git a/pubspec.lock b/pubspec.lock
index 55901a4e..cff109ca 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -148,6 +148,13 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "0.9.0-releasecandidate.1"
+  flame_test:
+    dependency: "direct dev"
+    description:
+      name: flame_test
+      url: "https://pub.dartlang.org"
+    source: hosted
+    version: "1.1.0"
   flutter:
     dependency: "direct main"
     description: flutter
diff --git a/pubspec.yaml b/pubspec.yaml
index 2bd5be03..3730daa3 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -20,6 +20,7 @@ dependencies:
 
 dev_dependencies:
   bloc_test: ^9.0.2
+  flame_test: ^1.1.0
   flutter_test:
     sdk: flutter
   mockingjay: ^0.2.0

From 0d27b7f762955f9f7738e095a048fe7362e3e443 Mon Sep 17 00:00:00 2001
From: Alejandro Santiago <dev@alestiago.com>
Date: Wed, 2 Mar 2022 13:47:46 +0000
Subject: [PATCH 2/2] feat: included initial Ball body component (#6)

* feat: included initial ball body component

* feat: included loads correctly test

* chore: moved test to correct directory

* refactor: replaced vector instances

* refactor: modified exists test

* refactor: reused flameTester
---
 lib/game/components/ball.dart       | 28 ++++++++++
 lib/game/components/components.dart |  1 +
 lib/game/game.dart                  |  1 +
 test/game/components/ball_test.dart | 83 +++++++++++++++++++++++++++++
 4 files changed, 113 insertions(+)
 create mode 100644 lib/game/components/ball.dart
 create mode 100644 lib/game/components/components.dart
 create mode 100644 test/game/components/ball_test.dart

diff --git a/lib/game/components/ball.dart b/lib/game/components/ball.dart
new file mode 100644
index 00000000..ce2e4335
--- /dev/null
+++ b/lib/game/components/ball.dart
@@ -0,0 +1,28 @@
+import 'package:flame_forge2d/body_component.dart';
+import 'package:flutter/material.dart';
+import 'package:forge2d/forge2d.dart';
+
+class Ball extends BodyComponent {
+  Ball({
+    required Vector2 position,
+  }) : _position = position {
+    // TODO(alestiago): Use asset instead of color when provided.
+    paint = Paint()..color = const Color(0xFFFFFFFF);
+  }
+
+  final Vector2 _position;
+
+  @override
+  Body createBody() {
+    final shape = CircleShape()..radius = 2;
+
+    final fixtureDef = FixtureDef(shape)..density = 1;
+
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = _position
+      ..type = BodyType.dynamic;
+
+    return world.createBody(bodyDef)..createFixture(fixtureDef);
+  }
+}
diff --git a/lib/game/components/components.dart b/lib/game/components/components.dart
new file mode 100644
index 00000000..6a26208c
--- /dev/null
+++ b/lib/game/components/components.dart
@@ -0,0 +1 @@
+export 'ball.dart';
diff --git a/lib/game/game.dart b/lib/game/game.dart
index ec8e0824..0a8dac1b 100644
--- a/lib/game/game.dart
+++ b/lib/game/game.dart
@@ -1,2 +1,3 @@
+export 'components/components.dart';
 export 'pinball_game.dart';
 export 'view/pinball_game_page.dart';
diff --git a/test/game/components/ball_test.dart b/test/game/components/ball_test.dart
new file mode 100644
index 00000000..c4576c68
--- /dev/null
+++ b/test/game/components/ball_test.dart
@@ -0,0 +1,83 @@
+// ignore_for_file: cascade_invocations
+
+import 'package:flame_forge2d/flame_forge2d.dart';
+import 'package:flame_test/flame_test.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball/game/game.dart';
+
+void main() {
+  TestWidgetsFlutterBinding.ensureInitialized();
+
+  group('Ball', () {
+    final flameTester = FlameTester(PinballGame.new);
+
+    flameTester.test(
+      'loads correctly',
+      (game) async {
+        final ball = Ball(position: Vector2.zero());
+        await game.ensureAdd(ball);
+
+        expect(game.contains(ball), isTrue);
+      },
+    );
+
+    group('body', () {
+      flameTester.test(
+        'positions correctly',
+        (game) async {
+          final position = Vector2.all(10);
+          final ball = Ball(position: position);
+          await game.ensureAdd(ball);
+          game.contains(ball);
+
+          expect(ball.body.position, position);
+        },
+      );
+
+      flameTester.test(
+        'is dynamic',
+        (game) async {
+          final ball = Ball(position: Vector2.zero());
+          await game.ensureAdd(ball);
+
+          expect(ball.body.bodyType, equals(BodyType.dynamic));
+        },
+      );
+    });
+
+    group('first fixture', () {
+      flameTester.test(
+        'exists',
+        (game) async {
+          final ball = Ball(position: Vector2.zero());
+          await game.ensureAdd(ball);
+
+          expect(ball.body.fixtures[0], isA<Fixture>());
+        },
+      );
+
+      flameTester.test(
+        'is dense',
+        (game) async {
+          final ball = Ball(position: Vector2.zero());
+          await game.ensureAdd(ball);
+
+          final fixture = ball.body.fixtures[0];
+          expect(fixture.density, greaterThan(0));
+        },
+      );
+
+      flameTester.test(
+        'shape is circular',
+        (game) async {
+          final ball = Ball(position: Vector2.zero());
+          await game.ensureAdd(ball);
+
+          final fixture = ball.body.fixtures[0];
+          expect(fixture.shape.shapeType, equals(ShapeType.circle));
+          expect(fixture.shape.radius, equals(2));
+        },
+      );
+    });
+  });
+}