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rzuastiandClaude Opus 4.8
98b5fa267f
Introduce a headless `flutter test` suite (83 tests) covering models, utilities, every API endpoint, and the five screens, with shared helpers and fixtures so new tests stay terse. API endpoint methods are statically-dispatched extensions on the BackendAPI singleton, so they cannot be mocked via `implements`. Mock at the Dio HTTP-adapter layer (http_mock_adapter) instead, enabled by two small @visibleForTesting seams: BackendAPI.dioForTesting swaps the singleton's Dio, and BackendReachability.forceOnlineForTesting() forces a deterministic online state so polling widgets load. Add frontend/run_tests.sh and document it in CLAUDE.md. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
61 lines
2.2 KiB
Dart
61 lines
2.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:frontend/main.dart';
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import 'package:frontend/theme/catppuccin_mocha_theme.dart';
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import 'package:provider/provider.dart';
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/// Pumps a single screen/widget under test inside the minimal scaffolding the
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/// app's widgets expect: an [AppState] provider (read by Settings) and a
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/// [MaterialApp] carrying a real app theme. The real theme is required because
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/// several widgets read `Theme.of(context).extension<AppColorExtension>()!`
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/// non-null and would crash under a bare [ThemeData].
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///
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/// Widgets are pumped directly (never through the router shell) so the AppBar's
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/// Google Fonts lookup is never reached.
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Future<void> pumpScreen(
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WidgetTester tester,
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Widget child, {
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Size size = const Size(900, 1200),
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}) async {
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tester.view.physicalSize = size;
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tester.view.devicePixelRatio = 1.0;
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addTearDown(tester.view.resetPhysicalSize);
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addTearDown(tester.view.resetDevicePixelRatio);
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await tester.pumpWidget(
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ChangeNotifierProvider(
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create: (_) => AppState(),
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child: MaterialApp(
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theme: catppuccinMochaDarkTheme,
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home: Scaffold(body: child),
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),
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),
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);
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}
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/// Pumps frames (advancing fake time in small steps) until [finder] matches or
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/// [maxFrames] is reached. Needed because Dio resolves each request through an
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/// internal zero-duration timer, so the response only lands once the fake clock
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/// is advanced — `pumpAndSettle` is unusable here as the polling widgets keep a
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/// periodic timer alive forever.
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Future<void> pumpUntilFound(
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WidgetTester tester,
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Finder finder, {
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int maxFrames = 40,
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Duration step = const Duration(milliseconds: 10),
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}) async {
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for (var i = 0; i < maxFrames; i++) {
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if (finder.evaluate().isNotEmpty) return;
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await tester.pump(step);
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}
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if (finder.evaluate().isEmpty) {
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fail('Timed out waiting for $finder');
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}
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}
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/// Unmounts the widget tree so widgets' `dispose()` cancel their timers and the
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/// test ends without "pending timer" failures. Call at the end of widget tests
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/// that exercise polling widgets.
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Future<void> tearDownTree(WidgetTester tester) =>
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tester.pumpWidget(const SizedBox());
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