feat: move native communication to FFI (#1457)

ui/flutter/test/features/auth/application/web_auth_controller_test.dart

@@ -0,0 +1,41 @@
+import 'package:dio/dio.dart';
+import 'package:flutter_test/flutter_test.dart';
+import 'package:gopeed/api/api.dart' as api;
+import 'package:gopeed/core/network/gopeed/gopeed_transport.dart';
+import 'package:gopeed/features/auth/application/web_auth_controller.dart';
+
+void main() {
+  test('successful login relies on the server cookie and unauthorized requires login', () async {
+    api.setTransportForTesting(_LoginTransport());
+    final controller = WebAuthController();
+    addTearDown(controller.dispose);
+
+    final failure = await controller.login(username: 'gopeed', password: 'secret');
+
+    expect(failure, isNull);
+    controller.requireLogin();
+    expect(controller.loginRequired, isTrue);
+  });
+}
+
+class _LoginTransport implements GopeedTransport {
+  @override
+  Future<dynamic> request(
+    String path, {
+    String method = 'GET',
+    dynamic data,
+    Map<String, dynamic>? queryParameters,
+  }) async {
+    expect(path, 'api/web/login');
+    expect(method, 'POST');
+    return {'code': 0};
+  }
+
+  @override
+  Future<Response<String>> proxyRequest(String uri, {dynamic data, Options? options}) {
+    throw UnimplementedError();
+  }
+
+  @override
+  String join(String path) => path;
+}