wip

test/features/launcher/data/game_installation_service_test.dart

@@ -5,6 +5,7 @@ import 'package:flutter_test/flutter_test.dart';
 import 'package:moonwell_launcher/features/launcher/data/game_installation_service.dart';
 // import 'package:moonwell_launcher/features/launcher/domain/entities/client_hash_entry.dart';
 import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_exception.dart';
+import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_game_ticket.dart';
 
 void main() {
   group('GameInstallationService', () {
@@ -125,5 +126,45 @@ void main() {
         throwsA(isA<LauncherSyncException>()),
       );
     });
+
+    test(
+      'launchGame passes authorization only through child environment',
+      () async {
+        final recordingService = _RecordingGameInstallationService();
+        final authorization = LauncherGameTicket(
+          account: 'PLAYERONE',
+          ticket: 'A1B2C3D4E5F6G7H8',
+          expiresAt: DateTime.now().toUtc().add(const Duration(seconds: 60)),
+        );
+
+        await recordingService.launchGame(
+          rootDirectory.path,
+          authorization: authorization,
+        );
+
+        expect(recordingService.arguments, isEmpty);
+        expect(recordingService.environment, <String, String>{
+          'MOONWELL_LAUNCH_ACCOUNT': 'PLAYERONE',
+          'MOONWELL_LAUNCH_TICKET': 'A1B2C3D4E5F6G7H8',
+        });
+      },
+    );
   });
 }
+
+final class _RecordingGameInstallationService extends GameInstallationService {
+  Map<String, String>? environment;
+  List<String>? arguments;
+
+  @override
+  Future<GameProcessHandle> startGameProcess({
+    required String executablePath,
+    required List<String> arguments,
+    required String workingDirectory,
+    required Map<String, String> environment,
+  }) async {
+    this.arguments = List<String>.from(arguments);
+    this.environment = Map<String, String>.from(environment);
+    return GameProcessHandle(pid: 42, exitCode: Future<int>.value(0));
+  }
+}

test/features/launcher/domain/entities/launcher_game_ticket_test.dart

@@ -0,0 +1,61 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:moonwell_launcher/features/launcher/domain/entities/launcher_game_ticket.dart';
+
+void main() {
+  group('LauncherGameTicket', () {
+    test('parses the launcher authorization contract', () {
+      final ticket = LauncherGameTicket.fromJson(<String, Object?>{
+        'account': 'PLAYERONE',
+        'ticket': 'A1B2C3D4E5F6G7H8',
+        'expires_at': '2026-08-16T12:01:00Z',
+      });
+
+      expect(ticket.account, 'PLAYERONE');
+      expect(ticket.ticket, 'A1B2C3D4E5F6G7H8');
+      expect(ticket.expiresAt, DateTime.utc(2026, 8, 16, 12, 1));
+    });
+
+    test('rejects tickets outside the native client format', () {
+      expect(
+        () => LauncherGameTicket.fromJson(<String, Object?>{
+          'account': 'PLAYERONE',
+          'ticket': 'lowercase-ticket',
+          'expires_at': '2026-08-16T12:01:00Z',
+        }),
+        throwsFormatException,
+      );
+    });
+
+    test('does not normalize credentials from the API', () {
+      expect(
+        () => LauncherGameTicket.fromJson(<String, Object?>{
+          'account': 'PLAYER ',
+          'ticket': ' A1B2C3D4E5F6G7H8',
+          'expires_at': '2026-08-16T12:01:00Z',
+        }),
+        throwsFormatException,
+      );
+    });
+
+    test('requires enough validity to start the game', () {
+      final ticket = LauncherGameTicket(
+        account: 'PLAYERONE',
+        ticket: 'A1B2C3D4E5F6G7H8',
+        expiresAt: DateTime.utc(2026, 8, 16, 12, 0, 4),
+      );
+
+      expect(ticket.isUsable(now: DateTime.utc(2026, 8, 16, 12)), isFalse);
+    });
+  });
+
+  test('rejects non-string payload fields with a format exception', () {
+    expect(
+      () => LauncherGameTicket.fromJson(<String, dynamic>{
+        'account': 42,
+        'ticket': 'ABCDEFGH12345678',
+        'expires_at': '2026-08-16T20:00:00Z',
+      }),
+      throwsFormatException,
+    );
+  });
+}