It works baby, seems like timing could be improved or something, but it freakin works

test/config_test.dart

@@ -0,0 +1,74 @@
+import 'dart:io';
+
+import 'package:mumbullet/src/config/config.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('AppConfig', () {
+    late File tempConfigFile;
+
+    setUp(() {
+      tempConfigFile = File('test_config.json');
+      tempConfigFile.writeAsStringSync('''
+{
+  "mumble": {
+    "server": "test.server.com",
+    "port": 12345,
+    "username": "TestBot",
+    "password": "testpass",
+    "channel": "Root"
+  },
+  "bot": {
+    "command_prefix": "?",
+    "default_permission_level": 1,
+    "max_queue_size": 100,
+    "cache_directory": "./test_cache",
+    "max_cache_size_gb": 2.5
+  },
+  "dashboard": {
+    "port": 9090,
+    "admin_username": "testadmin",
+    "admin_password": "testpassword"
+  }
+}
+''');
+    });
+
+    tearDown(() {
+      if (tempConfigFile.existsSync()) {
+        tempConfigFile.deleteSync();
+      }
+    });
+
+    test('should load configuration from file', () {
+      final config = AppConfig.fromFile(tempConfigFile.path);
+
+      expect(config.mumble.server, equals('test.server.com'));
+      expect(config.mumble.port, equals(12345));
+      expect(config.mumble.username, equals('TestBot'));
+      expect(config.mumble.password, equals('testpass'));
+      expect(config.mumble.channel, equals('TestChannel'));
+
+      expect(config.bot.commandPrefix, equals('?'));
+      expect(config.bot.defaultPermissionLevel, equals(1));
+      expect(config.bot.maxQueueSize, equals(100));
+      expect(config.bot.cacheDirectory, equals('./test_cache'));
+      expect(config.bot.maxCacheSizeGb, equals(2.5));
+
+      expect(config.dashboard.port, equals(9090));
+      expect(config.dashboard.adminUsername, equals('testadmin'));
+      expect(config.dashboard.adminPassword, equals('testpassword'));
+    });
+
+    test('should throw exception for non-existent file', () {
+      expect(() => AppConfig.fromFile('non_existent_file.json'), throwsA(isA<FileSystemException>()));
+    });
+
+    test('should validate configuration', () {
+      final config = AppConfig.fromFile(tempConfigFile.path);
+
+      // Valid configuration should not throw
+      expect(() => config.validate(), returnsNormally);
+    });
+  });
+}