93 lines
3.0 KiB
Dart
93 lines
3.0 KiB
Dart
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// Device-independent guards for two more live-path behaviors: the highlighter
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// tool produces a highlighter-kind stroke, and a single finger PANS the shared
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// transform when finger-drawing is off (touch → pan, not draw).
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import 'package:flutter/gestures.dart';
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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import 'package:badnote/editor/canvas/pen_canvas.dart';
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import 'package:badnote/editor/canvas/pen_stroke.dart';
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void main() {
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const pageSize = Size(400, 600);
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Widget host({
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required void Function(PenStroke) onComplete,
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required TransformationController controller,
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CanvasTool tool = CanvasTool.pen,
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bool allowFinger = false,
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}) =>
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MaterialApp(
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home: Scaffold(
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body: Center(
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child: SizedBox(
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width: pageSize.width,
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height: pageSize.height,
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child: PenCanvas(
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pageWidget: Container(color: const Color(0xFFEEEEEE)),
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pageSize: pageSize,
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strokes: const <PenStroke>[],
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transformationController: controller,
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tool: tool,
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color: const Color(0xFFFF0000),
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strokeWidth: 0.02,
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allowFingerDrawing: allowFinger,
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onStrokeComplete: onComplete,
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onEraseStroke: (_, __) {},
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),
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),
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),
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),
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);
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testWidgets('highlighter tool commits a highlighter-kind stroke',
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(tester) async {
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final committed = <PenStroke>[];
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final controller = TransformationController();
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addTearDown(controller.dispose);
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await tester.pumpWidget(host(
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onComplete: committed.add,
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controller: controller,
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tool: CanvasTool.highlighter,
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));
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final center = tester.getCenter(find.byType(PenCanvas));
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final g = await tester.startGesture(center, kind: PointerDeviceKind.stylus);
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await g.moveBy(const Offset(30, 0));
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await g.up();
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await tester.pump();
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expect(committed, hasLength(1));
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expect(committed.single.kind, PenStrokeKind.highlighter);
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});
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testWidgets('a single finger PANS the transform when finger-drawing is off',
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(tester) async {
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final committed = <PenStroke>[];
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final controller = TransformationController();
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addTearDown(controller.dispose);
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await tester.pumpWidget(host(
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onComplete: committed.add,
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controller: controller,
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allowFinger: false,
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));
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final before = controller.value.getTranslation();
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final center = tester.getCenter(find.byType(PenCanvas));
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final g = await tester.startGesture(center, kind: PointerDeviceKind.touch);
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await g.moveBy(const Offset(40, 25));
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await g.moveBy(const Offset(20, 15));
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await g.up();
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await tester.pump();
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final after = controller.value.getTranslation();
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// It panned (translation changed) and did NOT draw.
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expect((after.x - before.x).abs() + (after.y - before.y).abs(),
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greaterThan(1.0));
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expect(committed, isEmpty);
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});
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}
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