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MrbWebLibre/apps/weblibre/test/features/web_search/test_harness.dart
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/*
* Copyright (c) 2024-2026 Fabian Freund.
*
* This file is part of WebLibre
* (see https://weblibre.eu).
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/// Shared fixtures for web_search presentation tests.
///
/// `UrlIcon` (used by every result card / preview / infobox) reaches into
/// `userDatabaseProvider` → `cacheRepositoryProvider` and
/// `geckoIconServiceProvider`. Both touch native code that isn't available in
/// the test runtime, so we wire in-memory + no-op fakes via this helper to
/// keep individual test setup small.
library;
import 'dart:typed_data';
import 'package:drift/native.dart';
import 'package:flutter_mozilla_components/flutter_mozilla_components.dart';
import 'package:flutter_mozilla_components/src/pigeons/gecko.g.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:riverpod/experimental/persist.dart';
import 'package:riverpod/misc.dart' show Override;
import 'package:weblibre/data/database/functions/lexo_rank_functions.dart';
import 'package:weblibre/domain/services/generic_website.dart';
import 'package:weblibre/features/user/data/database/database.dart';
import 'package:weblibre/features/user/data/providers.dart';
/// Builds the standard set of overrides that any web_search presentation test
/// needs to render `UrlIcon` / settings-backed widgets without touching the
/// real filesystem profile databases. Registers `addTearDown` for the
/// in-memory drift db so the caller doesn't have to.
List<Override> webSearchTestOverrides() {
final userDb = UserDatabase(
NativeDatabase.memory(
setup: (database) => registerLexorankFunctions(database),
),
);
addTearDown(userDb.close);
return [
userDatabaseProvider.overrideWith((ref) => userDb),
riverpodDatabaseStorageProvider.overrideWith((ref) => Storage.inMemory()),
geckoIconServiceProvider.overrideWithValue(_FakeGeckoIconService()),
];
}
/// No-op GeckoIconService — returns a generator-source icon with empty bytes
/// so the cacheOnly branch in UrlIcon falls through to the MdiIcons.web
/// fallback. The real service is a platform-channel adapter and would crash
/// in the test runtime.
final class _FakeGeckoIconService extends GeckoIconService {
@override
Future<IconResult> loadIcon({
required Uri url,
List<Resource> resources = const [],
IconSize size = IconSize.defaultSize,
bool isPrivate = false,
bool waitOnNetworkLoad = true,
}) async {
return IconResult(
image: Uint8List(0),
color: null,
source: IconSource.generator,
maskable: false,
);
}
}