From 7ed1a6e33d313811715a763565d7cb6f157f0992 Mon Sep 17 00:00:00 2001
From: alestiago <dev@alestiago.com>
Date: Mon, 28 Feb 2022 18:16:23 +0000
Subject: [PATCH] feat: tested and improved GameEvent

---
 lib/game/bloc/game_event.dart       |  6 +++++-
 test/game/bloc/game_event_test.dart | 24 ++++++++++++++++++++++++
 2 files changed, 29 insertions(+), 1 deletion(-)
 create mode 100644 test/game/bloc/game_event_test.dart

diff --git a/lib/game/bloc/game_event.dart b/lib/game/bloc/game_event.dart
index 807da83b..dcbafe58 100644
--- a/lib/game/bloc/game_event.dart
+++ b/lib/game/bloc/game_event.dart
@@ -5,12 +5,16 @@ abstract class GameEvent {
   const GameEvent();
 }
 
+/// Event added when a user drops a ball off the screen.
 class BallLost extends GameEvent {
   const BallLost();
 }
 
+/// Event added when a user increases it's score.
 class Scored extends GameEvent {
-  const Scored(this.points);
+  const Scored({
+    required this.points,
+  }) : assert(points > 0, 'Points must be greater than 0');
 
   final int points;
 }
diff --git a/test/game/bloc/game_event_test.dart b/test/game/bloc/game_event_test.dart
new file mode 100644
index 00000000..27f867c1
--- /dev/null
+++ b/test/game/bloc/game_event_test.dart
@@ -0,0 +1,24 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:pinball/game/game.dart';
+
+void main() {
+  group('GameEvent', () {
+    group('BallLost', () {
+      test('BallLost can be instantiated', () {
+        expect(const BallLost(), isNotNull);
+      });
+    });
+
+    group('Scored', () {
+      test('Scored can be instantiated', () {
+        expect(const Scored(points: 1), isNotNull);
+      });
+
+      test(
+          'throws AssertionError '
+          'when score is smaller than 1', () {
+        expect(() => Scored(points: 0), throwsAssertionError);
+      });
+    });
+  });
+}