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117 lines
3.9 KiB
117 lines
3.9 KiB
import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:meshcore_open/l10n/app_localizations.dart';
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import 'package:meshcore_open/services/ui_view_state_service.dart';
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import 'package:meshcore_open/widgets/app_shell.dart';
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import 'package:provider/provider.dart';
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/// #389: Back must pop out of a pushed detail (a channel chat) to its list, and
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/// background the app only from a genuine top-level tab, not the other way
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/// round. These pin the full decision matrix.
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void main() {
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group('AppShell.backAction', () {
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test('an open drawer closes first, regardless of anything else', () {
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expect(
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AppShell.backAction(drawerOpen: true, isTopLevel: false, canPop: true),
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AppShellBackAction.closeDrawer,
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);
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expect(
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AppShell.backAction(drawerOpen: true, isTopLevel: true, canPop: true),
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AppShellBackAction.closeDrawer,
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);
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});
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test('a pushed detail (channel chat) pops to its list', () {
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expect(
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AppShell.backAction(drawerOpen: false, isTopLevel: false, canPop: true),
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AppShellBackAction.pop,
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);
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});
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test('a top-level tab backgrounds even though it CAN pop', () {
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// The scanner sits below a top-level tab, so canPop is true, but popping
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// would strand the user on the radio-connect screen.
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expect(
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AppShell.backAction(drawerOpen: false, isTopLevel: true, canPop: true),
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AppShellBackAction.background,
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);
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});
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test('a detail with nothing left to pop backgrounds', () {
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expect(
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AppShell.backAction(
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drawerOpen: false,
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isTopLevel: false,
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canPop: false,
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),
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AppShellBackAction.background,
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);
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});
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test('a top-level with nothing to pop backgrounds', () {
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expect(
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AppShell.backAction(drawerOpen: false, isTopLevel: true, canPop: false),
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AppShellBackAction.background,
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);
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});
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});
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group('system Back wiring', () {
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Widget host(GlobalKey<NavigatorState> navKey) => MultiProvider(
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providers: [ChangeNotifierProvider(create: (_) => UiViewStateService())],
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child: MaterialApp(
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navigatorKey: navKey,
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localizationsDelegates: AppLocalizations.localizationsDelegates,
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supportedLocales: AppLocalizations.supportedLocales,
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home: const Scaffold(body: Center(child: Text('HOME'))),
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),
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);
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Future<void> pushShell(
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WidgetTester tester,
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GlobalKey<NavigatorState> navKey, {
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required bool isTopLevel,
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}) async {
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navKey.currentState!.push(
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MaterialPageRoute(
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builder: (_) => AppShell(
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isTopLevel: isTopLevel,
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selectedIndex: 1,
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onDestinationSelected: (_) {},
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body: const Text('SHELL'),
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),
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),
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);
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await tester.pumpAndSettle();
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}
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testWidgets('a pushed detail pops back to its list on system Back', (
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tester,
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) async {
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final navKey = GlobalKey<NavigatorState>();
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await tester.pumpWidget(host(navKey));
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await pushShell(tester, navKey, isTopLevel: false);
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expect(find.text('SHELL'), findsOneWidget);
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await tester.binding.handlePopRoute();
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await tester.pumpAndSettle();
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expect(find.text('SHELL'), findsNothing, reason: 'popped to the list');
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expect(find.text('HOME'), findsOneWidget);
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});
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testWidgets('a top-level tab does NOT pop on system Back', (tester) async {
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final navKey = GlobalKey<NavigatorState>();
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await tester.pumpWidget(host(navKey));
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await pushShell(tester, navKey, isTopLevel: true);
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expect(find.text('SHELL'), findsOneWidget);
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await tester.binding.handlePopRoute();
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await tester.pumpAndSettle();
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// moveToBackground is a no-op off Android, so the route stays put.
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expect(find.text('SHELL'), findsOneWidget, reason: 'top-level stays');
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});
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});
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}
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