animation_value_test.dart
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import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:sheet/sheet.dart';
import '../helpers.dart';
void main() {
group('SheetController.animation', () {
testWidgets('is 0 when starts in minExtent', (tester) async {
await tester.pumpWidget(
MaterialApp(
home: Sheet(
minExtent: 100,
maxExtent: 400,
initialExtent: 100,
child: SizedBox(height: 400),
),
),
);
expect(tester.getSheetController().animation.value, 0);
});
testWidgets('is 1 when starts in maxExtent', (tester) async {
await tester.pumpWidget(
MaterialApp(
home: Sheet(
minExtent: 100,
maxExtent: 400,
initialExtent: 400,
child: SizedBox(height: 400),
),
),
);
expect(tester.getSheetController().animation.value, 1);
});
testWidgets('is 0.5 when is between minExtent and maxExtent',
(tester) async {
await tester.pumpWidget(
MaterialApp(
home: Sheet(
minExtent: 100,
maxExtent: 300,
initialExtent: 200,
child: SizedBox(height: 300),
),
),
);
expect(tester.getSheetController().animation.value, 0.5);
});
testWidgets('is 1 when minExtent equals maxExtent', (tester) async {
await tester.pumpWidget(
MaterialApp(
home: Sheet(
minExtent: 100,
maxExtent: 100,
child: SizedBox(height: 100),
),
),
);
expect(tester.getSheetController().animation.value, 1);
});
testWidgets('updates to 0 when it goes to minExtent', (tester) async {
await tester.pumpWidget(
MaterialApp(
home: Sheet(
minExtent: 100,
maxExtent: 400,
initialExtent: 400,
fit: SheetFit.expand,
child: SizedBox(),
),
),
);
expect(tester.getSheetController().animation.value, 1);
tester.getSheetController().relativeJumpTo(0);
await tester.pumpAndSettle();
expect(tester.getSheetController().animation.value, 0);
});
testWidgets('updates to 1 when it goes to maxExtent', (tester) async {
await tester.pumpWidget(
MaterialApp(
home: Sheet(
minExtent: 100,
maxExtent: 400,
initialExtent: 100,
child: SizedBox(height: 400),
),
),
);
expect(tester.getSheetController().animation.value, 0);
tester.getSheetController().relativeJumpTo(1);
expect(tester.getSheetController().animation.value, 1);
});
testWidgets('updates linearly', (tester) async {
await tester.pumpWidget(
MaterialApp(
home: Sheet(
minExtent: 100,
maxExtent: 300,
initialExtent: 100,
child: SizedBox(height: 300),
),
),
);
tester.getSheetController().relativeJumpTo(0.5);
await tester.pumpAndSettle();
expect(tester.getSheetController().animation.value, 0.5);
});
});
}