sheet_test.dart
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// ignore_for_file: prefer_const_constructors
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:sheet/sheet.dart';
import 'helpers.dart';
final Rect screenRect = Offset.zero & Size(800, 600);
void main() {
group('Sheet', () {
testWidgets('renders', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(
child: Text('Sheet'),
),
);
await tester.pumpAndSettle();
expect(findSheet(), findsOneWidget);
expect(find.text('Sheet'), findsOneWidget);
});
group('Drag', () {
testWidgets('Linear drag', (WidgetTester tester) async {
final GlobalKey key = GlobalKey();
await tester.pumpApp(
Sheet(
initialExtent: 400,
child: Container(
key: key,
height: screenRect.height,
),
),
);
Rect rect = tester.getRect(find.byKey(key));
expect(rect.size, equals(screenRect.size));
expect(rect.top, equals(screenRect.height - 400));
await tester.drag(find.byType(Sheet), const Offset(0.0, -200.0),
touchSlopY: 0.0);
await tester.pumpAndSettle();
rect = tester.getRect(find.byKey(key));
expect(rect.size, equals(screenRect.size));
expect(rect.top, equals(0));
await tester.drag(find.byType(Sheet), const Offset(0.0, 600.0),
touchSlopY: 0.0);
await tester.pumpAndSettle();
rect = tester.getRect(find.byKey(key));
expect(rect.size, equals(screenRect.size));
expect(rect.top, equals(600));
});
testWidgets('Linear drag overflow top', (WidgetTester tester) async {
final GlobalKey key = GlobalKey();
await tester.pumpApp(
Sheet(
initialExtent: 400,
child: Container(
key: key,
height: screenRect.height,
),
),
);
Rect rect = tester.getRect(find.byKey(key));
expect(rect.size, equals(screenRect.size));
expect(rect.top, equals(screenRect.height - 400));
await tester.drag(find.byType(Sheet), const Offset(0.0, -300.0),
touchSlopY: 0.0);
await tester.pumpAndSettle();
rect = tester.getRect(find.byKey(key));
expect(rect.size, equals(screenRect.size));
expect(rect.topLeft, equals(Offset(0, 0)));
});
testWidgets('Linear drag overflow top with max extent',
(WidgetTester tester) async {
final GlobalKey key = GlobalKey();
await tester.pumpApp(
Sheet(
maxExtent: 500,
initialExtent: 400,
child: Container(
key: key,
height: 500,
),
),
);
Rect rect = tester.getRect(find.byKey(key));
expect(rect.height, equals(500));
expect(rect.top, equals(screenRect.bottom - 400));
await tester.drag(find.byType(Sheet), const Offset(0.0, -300.0),
touchSlopY: 0.0);
await tester.pumpAndSettle();
rect = tester.getRect(find.byKey(key));
expect(rect.height, equals(500));
expect(rect.top, equals(100));
});
testWidgets('Linear drag overflow bottom with min extent',
(WidgetTester tester) async {
final GlobalKey key = GlobalKey();
await tester.pumpApp(
Sheet(
initialExtent: 400,
minExtent: 200,
child: Container(
key: key,
height: screenRect.height,
),
),
);
Rect rect = tester.getRect(find.byKey(key));
expect(rect.size, equals(screenRect.size));
expect(rect.top, equals(screenRect.bottom - 400));
await tester.drag(find.byType(Sheet), const Offset(0.0, 600.0),
touchSlopY: 0.0);
await tester.pumpAndSettle();
rect = tester.getRect(find.byKey(key));
expect(rect.size, equals(screenRect.size));
expect(rect.top, equals(screenRect.bottom - 200));
});
testWidgets('Linear drag overflow bottom', (WidgetTester tester) async {
final GlobalKey key = GlobalKey();
await tester.pumpApp(
Sheet(
initialExtent: 400,
child: Container(
key: key,
height: screenRect.height,
),
),
);
Rect rect = tester.getRect(find.byKey(key));
expect(rect.size, equals(screenRect.size));
expect(rect.top, equals(screenRect.bottom - 400));
await tester.drag(find.byType(Sheet), const Offset(0.0, 600.0),
touchSlopY: 0.0);
await tester.pumpAndSettle();
rect = tester.getRect(find.byKey(key));
expect(rect.size, equals(screenRect.size));
expect(rect.top, equals(screenRect.bottom));
});
});
});
}