feat(flutter): 接入互动评论点赞举报

test/interaction/interaction_controller_test.dart

@@ -0,0 +1,60 @@
+// Author: fruit.com.cn
+
+import 'dart:async';
+
+import 'package:flutter_test/flutter_test.dart';
+import 'package:fruitshorts/core/data/models/interaction.dart';
+import 'package:fruitshorts/core/data/remote/api_client.dart';
+import 'package:fruitshorts/core/data/services/interaction_controller.dart';
+
+import '../support/fake_interaction_repositories.dart';
+
+void main() {
+  test('should_update_drama_like_optimistically_and_use_server_state_when_toggle_succeeds', () async {
+    final repository = FakeInteractionRepository();
+    final gate = Completer<void>();
+    repository.likeGate = gate;
+    final controller = InteractionController(repository);
+
+    final future = controller.toggleDramaLike('5');
+    expect(controller.isLiked('5'), isTrue);
+    expect(repository.likeTargets, ['DRAMA:5']);
+
+    repository.nextLikeResult = const LikeToggleResult(liked: false, count: 0);
+    gate.complete();
+    final result = await future;
+
+    expect(result.isSuccess, isTrue);
+    expect(controller.isLiked('5'), isFalse);
+    controller.dispose();
+  });
+
+  test('should_rollback_drama_like_when_toggle_fails', () async {
+    final repository = FakeInteractionRepository(
+      nextLikeResult: const LikeToggleResult(liked: true, count: 3),
+    );
+    final controller = InteractionController(repository);
+    await controller.toggleDramaLike('5');
+    repository.likeError = const ApiException(500, '点赞失败');
+
+    final result = await controller.toggleDramaLike('5');
+
+    expect(result.isSuccess, isFalse);
+    expect(result.errorMessage, '点赞失败');
+    expect(controller.isLiked('5'), isTrue);
+    controller.dispose();
+  });
+
+  test('should_clear_account_scoped_drama_likes_when_session_changes', () async {
+    final repository = FakeInteractionRepository(
+      nextLikeResult: const LikeToggleResult(liked: true, count: 1),
+    );
+    final controller = InteractionController(repository);
+    await controller.toggleDramaLike('5');
+
+    controller.clear();
+
+    expect(controller.isLiked('5'), isFalse);
+    controller.dispose();
+  });
+}