sheet_controller_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';
import '../screen_size_test.dart';
void main() {
group('SheetController', () {
const curve = Curves.easeInOut;
const duration = Duration(milliseconds: 1);
const child = SizedBox(height: kScreenHeight);
group('jumpTo', () {
testWidgets('a custom extent - 400', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(child: child),
);
tester.getSheetController().jumpTo(400);
expect(tester.getSheetExtent(), 400);
});
testWidgets('minExtent', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(
minExtent: 100,
child: child,
),
);
tester.getSheetController().jumpTo(100);
expect(tester.getSheetExtent(), 100);
});
testWidgets('maxExtent', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(
maxExtent: 400,
child: child,
),
);
tester.getSheetController().jumpTo(400);
expect(tester.getSheetExtent(), 400);
});
testWidgets('less than 0 clamps to 0', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(child: child),
);
tester.getSheetController().jumpTo(-100);
expect(tester.getSheetExtent(), equals(0));
});
testWidgets('less than minExtent clamps to minExtent',
(WidgetTester tester) async {
await tester.pumpApp(
Sheet(
minExtent: 100,
initialExtent: 200,
child: child,
),
);
expect(tester.getSheetExtent(), equals(200));
tester.getSheetController().jumpTo(100);
expect(tester.getSheetExtent(), equals(100));
});
testWidgets(
'more than than screenHeight clamps to screenHeight '
'if maxExtent is null', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(
child: child,
),
);
tester.getSheetController().jumpTo(kScreenHeight + 100);
expect(tester.getSheetExtent(), equals(kScreenHeight));
});
testWidgets('more than maxExtent clamps to maxExtent',
(WidgetTester tester) async {
await tester.pumpApp(
Sheet(
maxExtent: 400,
child: child,
),
);
tester.getSheetController().jumpTo(500);
expect(tester.getSheetExtent(), 400);
});
});
testWidgets('relativeJumpTo', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(
initialExtent: 200,
child: Container(
height: kScreenHeight,
),
),
);
expect(tester.getSheetExtent(), equals(200));
tester.getSheetController().relativeJumpTo(1);
expect(tester.getSheetExtent(), equals(kScreenHeight));
tester.getSheetController().relativeJumpTo(0.5);
expect(tester.getSheetExtent(), equals(kScreenHeight / 2));
});
testWidgets('animateTo', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(
initialExtent: 200,
child: Container(
height: kScreenHeight,
),
),
);
expect(tester.getSheetExtent(), equals(200));
tester
.getSheetController()
.animateTo(400, curve: curve, duration: duration);
await tester.pumpAndSettle();
final controller = tester.getSheetController();
expect(tester.getSheetExtent(), equals(400));
controller.animateTo(-100, curve: curve, duration: duration);
await tester.pumpAndSettle();
expect(tester.getSheetExtent(), equals(0));
controller.animateTo(
kScreenHeight + 100,
curve: curve,
duration: duration,
);
await tester.pumpAndSettle();
expect(tester.getSheetExtent(), equals(kScreenHeight));
});
testWidgets('relativeAnimateTo', (WidgetTester tester) async {
await tester.pumpApp(
Sheet(
initialExtent: 200,
child: Container(
height: kScreenHeight,
),
),
);
final controller = tester.getSheetController();
expect(tester.getSheetExtent(), equals(200));
controller.relativeAnimateTo(1, curve: curve, duration: duration);
await tester.pumpAndSettle();
expect(tester.getSheetExtent(), equals(kScreenHeight));
controller.relativeAnimateTo(0.5, curve: curve, duration: duration);
await tester.pumpAndSettle();
expect(tester.getSheetExtent(), equals(kScreenHeight * 0.5));
});
testWidgets('relativeAnimateTo with min xtent',
(WidgetTester tester) async {
await tester.pumpApp(
Sheet(
initialExtent: 200,
child: Container(
height: kScreenHeight,
),
),
);
final controller = tester.getSheetController();
expect(tester.getSheetExtent(), equals(200));
controller.relativeAnimateTo(1, curve: curve, duration: duration);
await tester.pumpAndSettle();
expect(tester.getSheetExtent(), equals(kScreenHeight));
controller.relativeAnimateTo(0.5, curve: curve, duration: duration);
await tester.pumpAndSettle();
expect(tester.getSheetExtent(), equals(kScreenHeight * 0.5));
});
});
}