chen08209
131 lines
3.8 KiB
Dart
131 lines
3.8 KiB
Dart
import 'package:fl_clash/ui/inherited.dart';
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import 'package:fl_clash/ui/navigator_resizable.dart';
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import 'package:fl_clash/ui/paged_sheet.dart';
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import 'package:fl_clash/ui/sheet.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:material_ui/material_ui.dart';
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PagedSheetRoute<void> _page(String label, double height) {
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return PagedSheetRoute<void>(
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builder: (_) => SizedBox(
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height: height,
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child: Center(child: Text(label)),
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),
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);
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}
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Future<NavigatorState> _pumpSheet(WidgetTester tester, {Widget? first}) async {
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final navigatorKey = GlobalKey<NavigatorState>();
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await tester.pumpWidget(
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MaterialApp(
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home: SheetProvider(
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type: SheetType.bottomSheet,
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child: Align(
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alignment: Alignment.bottomCenter,
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child: PagedSheet(
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child: Navigator(
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key: navigatorKey,
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onGenerateInitialRoutes: (_, _) => [
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if (first == null)
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_page('first', 200)
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else
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PagedSheetRoute<void>(builder: (_) => first),
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],
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),
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),
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),
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),
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),
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);
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return navigatorKey.currentState!;
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}
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double _height(WidgetTester tester) {
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return tester.getSize(find.byType(NavigatorResizable)).height;
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}
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void main() {
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testWidgets('follows a drag back and settles on the page below', (
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tester,
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) async {
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final navigator = await _pumpSheet(tester);
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navigator.push(_page('second', 400));
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await tester.pumpAndSettle();
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expect(_height(tester), 400);
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final width = tester.getSize(find.byType(NavigatorResizable)).width;
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final gesture = await tester.startGesture(
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tester.getCenter(find.text('second')),
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);
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await gesture.moveBy(const Offset(20, 0));
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await gesture.moveBy(Offset(width / 2 - 20, 0));
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await tester.pump();
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expect(_height(tester), closeTo(300, 1));
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await gesture.moveBy(Offset(width / 4, 0));
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await gesture.up();
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await tester.pumpAndSettle();
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expect(find.text('second'), findsNothing);
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expect(_height(tester), 200);
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});
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testWidgets('hands over to a page pushed while a drag back settles', (
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tester,
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) async {
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final navigator = await _pumpSheet(tester);
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navigator.push(_page('second', 400));
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await tester.pumpAndSettle();
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await tester.fling(find.text('second'), const Offset(300, 0), 2000);
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await tester.pump();
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navigator.push(_page('third', 300));
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await tester.pumpAndSettle();
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expect(tester.takeException(), isNull);
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expect(find.text('third'), findsOneWidget);
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expect(_height(tester), 300);
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});
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testWidgets('turns back from where a push was when popped mid-way', (
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tester,
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) async {
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final navigator = await _pumpSheet(tester);
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navigator.push(_page('second', 400));
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await tester.pump();
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await tester.pump();
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await tester.pump(const Duration(milliseconds: 150));
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final turn = _height(tester);
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expect(turn, inExclusiveRange(200, 400));
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navigator.pop();
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await tester.pump();
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expect(_height(tester), turn);
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await tester.pump(const Duration(milliseconds: 50));
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expect(_height(tester), lessThan(turn));
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await tester.pumpAndSettle();
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expect(_height(tester), 200);
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});
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testWidgets('follows the current page as its content grows', (tester) async {
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var height = 200.0;
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await _pumpSheet(
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tester,
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first: StatefulBuilder(
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builder: (context, setState) => SizedBox(
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height: height,
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child: TextButton(
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onPressed: () => setState(() => height = 260),
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child: const Text('grow'),
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),
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),
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),
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);
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expect(_height(tester), 200);
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await tester.tap(find.text('grow'));
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await tester.pumpAndSettle();
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expect(_height(tester), 260);
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});
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}
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