60 lines
2.2 KiB
Dart
60 lines
2.2 KiB
Dart
import 'package:flutter/material.dart';
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import 'package:flutter/services.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:plezy/focus/focusable_wrapper.dart';
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import 'package:plezy/focus/input_mode_tracker.dart';
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/// The wrapper's focus chrome (scale Transform + border AnimatedContainer)
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/// must only exist in keyboard/d-pad mode: on touch it is pure dead weight
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/// multiplied by every card in a grid (see library scroll jank).
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void main() {
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Finder chromeIn(Type type) => find.descendant(of: find.byType(FocusableWrapper), matching: find.byType(type));
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Widget buildWrapper() => Scaffold(
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body: FocusableWrapper(onSelect: () {}, child: const SizedBox(width: 10, height: 10)),
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);
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testWidgets('pointer mode builds no focus chrome around the child', (tester) async {
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await tester.pumpWidget(MaterialApp(home: buildWrapper()));
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expect(chromeIn(Transform), findsNothing);
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expect(chromeIn(AnimatedContainer), findsNothing);
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// The Focus node stays mounted so d-pad traversal finds the card the
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// moment keyboard mode activates.
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expect(chromeIn(Focus), findsWidgets);
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});
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testWidgets('keyboard mode builds the scale/border chrome', (tester) async {
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await tester.pumpWidget(InputModeTracker(child: MaterialApp(home: buildWrapper())));
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// A navigation key press flips the tracker into keyboard mode.
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await tester.sendKeyEvent(LogicalKeyboardKey.arrowDown);
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await tester.pump();
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expect(chromeIn(Transform), findsOneWidget);
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expect(chromeIn(AnimatedContainer), findsOneWidget);
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});
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testWidgets('focusing in pointer mode works without a pre-built controller', (tester) async {
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final node = FocusNode(debugLabel: 'card');
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addTearDown(node.dispose);
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: FocusableWrapper(focusNode: node, onSelect: () {}, child: const SizedBox(width: 10, height: 10)),
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),
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),
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);
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// The AnimationController is created lazily on first focus; gaining and
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// losing focus in pointer mode must not throw.
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node.requestFocus();
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await tester.pump();
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node.unfocus();
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await tester.pump();
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expect(tester.takeException(), isNull);
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});
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}
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