✅ Fix tests (#581)

Author: AlexV525

packages/command/bin/flutter_gen_command.dart

@@ -52,10 +52,16 @@ void main(List<String> args) {
   }
 
   final pubspecPath = safeCast<String>(results['config']);
-  final pubspecFile = File(pubspecPath!).absolute;
+  if (pubspecPath == null || pubspecPath.trim().isEmpty) {
+    throw ArgumentError('Invalid value $pubspecPath', 'config');
+  }
+  final pubspecFile = File(pubspecPath).absolute;
 
   final buildPath = safeCast<String>(results['build']);
-  final buildFile = File(buildPath!).absolute;
+  if (buildPath == null || buildPath.trim().isEmpty) {
+    throw ArgumentError('Invalid value $buildPath', 'build');
+  }
+  final buildFile = File(buildPath).absolute;
 
   FlutterGenerator(pubspecFile, buildFile: buildFile).build();
 }

packages/core/lib/settings/config.dart

@@ -9,7 +9,7 @@ import 'package:path/path.dart';
 import 'package:yaml/yaml.dart';
 
 class Config {
-  Config._({required this.pubspec, required this.pubspecFile});
+  const Config._({required this.pubspec, required this.pubspecFile});
 
   final Pubspec pubspec;
   final File pubspecFile;
@@ -19,9 +19,6 @@ Config loadPubspecConfig(File pubspecFile, {File? buildFile}) {
   final pubspecLocaleHint = normalize(
     join(basename(pubspecFile.parent.path), basename(pubspecFile.path)),
   );
-  final buildLocaleHint = buildFile != null && buildFile.existsSync()
-      ? join(basename(buildFile.parent.path), basename(buildFile.path))
-      : '';
 
   stdout.writeln(
     '$flutterGenVersion Loading ...',
@@ -40,11 +37,15 @@ Config loadPubspecConfig(File pubspecFile, {File? buildFile}) {
   if (buildFile != null && buildFile.existsSync()) {
     final buildContent = buildFile.readAsStringSync();
     final rawMap = loadYaml(buildContent) as Map?;
-    final optionBuildMap = rawMap?['targets']?[r'$default']?['builders']?['flutter_gen']?['options'];
+    final optionBuildMap = rawMap?['targets']?[r'$default']?['builders']
+        ?['flutter_gen']?['options'];
 
     if (optionBuildMap != null) {
       final buildMap = {'flutter_gen': optionBuildMap};
       mergedMap = mergeMap([mergedMap, buildMap]);
+      final buildLocaleHint = normalize(
+        join(basename(buildFile.parent.path), basename(buildFile.path)),
+      );
       stdout.writeln(
         'Reading FlutterGen options from $buildLocaleHint',
       );

packages/core/test/assets_gen_test.dart

@@ -214,14 +214,17 @@ void main() {
       expect(names.sorted(), tests.values.sorted());
     });
 
-    test('Assets on pubspec_assets.yaml and override with build_assets.yaml ', () async {
-      const pubspec = 'test_resources/pubspec_assets.yaml';
-      const build = 'test_resources/build_assets.yaml';
-      const fact = 'test_resources/actual_data/build_assets.gen.dart';
-      const generated = 'test_resources/lib/build_gen/assets.gen.dart';
-
-      await expectedAssetsGen(pubspec, generated, fact, build: build);
-    });
+    test(
+      'Assets on pubspec_assets.yaml and override with build_assets.yaml ',
+      () async {
+        const pubspec = 'test_resources/pubspec_assets.yaml';
+        const build = 'test_resources/build_assets.yaml';
+        const fact = 'test_resources/actual_data/build_assets.gen.dart';
+        const generated = 'test_resources/lib/build_gen/assets.gen.dart';
+
+        await expectedAssetsGen(pubspec, generated, fact, build: build);
+      },
+    );
   });
 
   group('Test generatePackageNameForConfig', () {