oott/frontend/test/api/notifications_api_test.dart

import 'package:flutter_test/flutter_test.dart';
import 'package:frontend/utils/oott_api.dart';
import 'package:http_mock_adapter/http_mock_adapter.dart';

import '../helpers/backend_test_harness.dart';
import '../helpers/fixtures.dart';

void main() {
  late DioAdapter adapter;

  setUp(() async {
    adapter = await setUpBackendForTest();
  });

  test('markNotificationAsRead GETs the notification path', () async {
    adapter.onGet(
      '/notifications/7',
      (server) => server.reply(200, null),
    );

    await BackendAPI.instance.markNotificationAsRead(7);
  });

  test('markNotificationAsNew POSTs to mark_as_new', () async {
    adapter.onPost(
      '/notifications/7/mark_as_new',
      (server) => server.reply(200, null),
    );

    await BackendAPI.instance.markNotificationAsNew(7);
  });

  test('markAllNotificationsAsRead POSTs to mark_all_as_old', () async {
    adapter.onPost(
      '/notifications/mark_all_as_old',
      (server) => server.reply(200, null),
    );

    await BackendAPI.instance.markAllNotificationsAsRead();
  });

  test('listNotifications sends is_new + pagination and trims extra item',
      () async {
    adapter.onGet(
      '/notifications',
      (server) => server.reply(200, [
        notificationJson(id: 1),
        notificationJson(id: 2),
        notificationJson(id: 3),
      ]),
      queryParameters: {
        'is_new': true,
        'page_offset': 0,
        'page_limit': 3,
      },
    );

    final result = await BackendAPI.instance.listNotifications(
      true,
      page: 0,
      perPage: 2,
    );

    expect(result.items, hasLength(2));
    expect(result.hasNextPage, isTrue);
  });

  test('listNotifications maps a null filter to an empty is_new param',
      () async {
    adapter.onGet(
      '/notifications',
      (server) => server.reply(200, <dynamic>[]),
      queryParameters: {
        'is_new': '',
        'page_offset': 10,
        'page_limit': 6,
      },
    );

    final result = await BackendAPI.instance.listNotifications(
      null,
      page: 2,
      perPage: 5,
    );

    expect(result.items, isEmpty);
    expect(result.hasNextPage, isFalse);
  });
}