remotedesk/client/flutter_control/test/widget_test.dart

import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:remotedesk_control/app_preferences.dart';
import 'package:remotedesk_control/control_service.dart';
import 'package:remotedesk_control/main.dart';

class _MemoryPreferences implements AppPreferences {
  _MemoryPreferences(this.settings);

  AppSettings settings;

  @override
  Future<AppSettings> load() async => settings;

  @override
  Future<void> save(AppSettings settings) async {
    this.settings = settings;
  }
}

void main() {
  test('saved host JSON round-trips control-service fields', () {
    const host = SavedHost(
      id: 'host-1',
      name: 'Build server',
      address: 'build.example:39500',
      user: 'builder',
      certificateSha256:
          '0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef',
    );

    expect(SavedHost.fromJson(host.toJson()).toJson(), host.toJson());
  });

  testWidgets('renders devices and switches to session workspace', (
    tester,
  ) async {
    await tester.pumpWidget(const RemoteDeskControlApp());
    await tester.pump();
    await tester.pump();

    expect(find.text('Devices'), findsOneWidget);
    expect(find.text('New Linux host'), findsOneWidget);
    expect(find.text('Connect desktop'), findsOneWidget);

    await tester.tap(find.byIcon(Icons.monitor_heart_outlined));
    await tester.pump();

    expect(find.text('Sessions'), findsOneWidget);
    expect(find.text('No sessions yet'), findsOneWidget);

    await tester.pumpWidget(const SizedBox.shrink());
  });

  testWidgets('keeps the device workspace within a narrow window', (
    tester,
  ) async {
    tester.view.physicalSize = const Size(600, 800);
    tester.view.devicePixelRatio = 1;
    addTearDown(tester.view.resetPhysicalSize);
    addTearDown(tester.view.resetDevicePixelRatio);

    await tester.pumpWidget(const RemoteDeskControlApp());
    await tester.pump();
    await tester.pump();

    expect(find.byType(NavigationBar), findsOneWidget);
    expect(find.text('New Linux host'), findsOneWidget);
    expect(tester.takeException(), isNull);

    await tester.pumpWidget(const SizedBox.shrink());
  });

  testWidgets('switches the workspace language from settings', (tester) async {
    await tester.pumpWidget(const RemoteDeskControlApp());
    await tester.pump();
    await tester.pump();

    await tester.tap(find.byIcon(Icons.tune_outlined));
    await tester.pump();
    expect(find.text('Language'), findsOneWidget);

    await tester.tap(find.text('System default'));
    await tester.pump();
    await tester.tap(find.text('简体中文').last);
    await tester.pump();
    await tester.pump();

    expect(find.text('设置'), findsOneWidget);
    expect(find.text('语言'), findsOneWidget);
    await tester.pumpWidget(const SizedBox.shrink());
  });

  testWidgets('restores and saves workspace preferences', (tester) async {
    final preferences = _MemoryPreferences(
      const AppSettings(localeCode: 'zh', closeToTray: false),
    );
    await tester.pumpWidget(RemoteDeskControlApp(preferences: preferences));
    await tester.pump();
    await tester.pump();

    expect(find.text('设备'), findsOneWidget);
    await tester.tap(find.byIcon(Icons.tune_outlined));
    await tester.pump();

    final closeToTray = tester.widget<SwitchListTile>(
      find.widgetWithText(SwitchListTile, '关闭到系统托盘'),
    );
    expect(closeToTray.value, isFalse);
    await tester.tap(find.text('关闭到系统托盘'));
    await tester.pump();
    expect(preferences.settings.closeToTray, isTrue);

    await tester.pumpWidget(const SizedBox.shrink());
  });

  testWidgets('clears a host search with no matches', (tester) async {
    await tester.pumpWidget(
      RemoteDeskControlApp(
        preferences: _MemoryPreferences(const AppSettings()),
      ),
    );
    await tester.pump();
    await tester.pump();

    await tester.enterText(find.byType(TextField).first, 'missing-host');
    await tester.pump();
    expect(find.text('No matching hosts'), findsOneWidget);

    await tester.tap(find.byTooltip('Clear search'));
    await tester.pump();
    expect(find.text('No saved hosts'), findsOneWidget);

    await tester.pumpWidget(const SizedBox.shrink());
  });

  testWidgets('confirms before discarding host edits', (tester) async {
    await tester.pumpWidget(
      RemoteDeskControlApp(
        preferences: _MemoryPreferences(const AppSettings()),
      ),
    );
    await tester.pump();
    await tester.pump();

    await tester.enterText(
      find.widgetWithText(TextFormField, 'Display name'),
      'Unsaved host',
    );
    await tester.tap(find.byIcon(Icons.add));
    await tester.pump();

    expect(find.text('Discard unsaved changes?'), findsOneWidget);
    await tester.tap(find.text('Keep editing'));
    await tester.pump();
    expect(find.text('Unsaved host'), findsOneWidget);

    await tester.pumpWidget(const SizedBox.shrink());
  });
}