blob: 2d716529ce8d76288f22a7b964f3724f2c586dd6 [file] [log] [blame]
// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'dart:async';
import 'package:flutter/cupertino.dart';
import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
bool refreshCalled = false;
Future<void> refresh() {
refreshCalled = true;
return Future<void>.value();
}
Future<void> holdRefresh() {
refreshCalled = true;
return Completer<void>().future;
}
void main() {
testWidgets('RefreshIndicator', (WidgetTester tester) async {
refreshCalled = false;
final SemanticsHandle handle = tester.ensureSemantics();
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
),
);
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
expect(
tester.getSemantics(find.byType(RefreshProgressIndicator)),
matchesSemantics(label: 'Refresh'),
);
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator hide animation
expect(refreshCalled, true);
handle.dispose();
});
testWidgets('Refresh Indicator - nested', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
notificationPredicate: (ScrollNotification notification) => notification.depth == 1,
onRefresh: refresh,
child: SingleChildScrollView(
scrollDirection: Axis.horizontal,
child: SizedBox(
width: 600.0,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
),
),
),
);
await tester.fling(find.text('A'), const Offset(300.0, 0.0), 1000.0); // horizontal fling
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator hide animation
expect(refreshCalled, false);
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0); // vertical fling
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator hide animation
expect(refreshCalled, true);
});
testWidgets('RefreshIndicator - reverse', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
reverse: true,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[SizedBox(height: 200.0, child: Text('X'))],
),
),
),
);
await tester.fling(find.text('X'), const Offset(0.0, 600.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator hide animation
expect(refreshCalled, true);
});
testWidgets('RefreshIndicator - top - position', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: holdRefresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[SizedBox(height: 200.0, child: Text('X'))],
),
),
),
);
await tester.fling(find.text('X'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(tester.getCenter(find.byType(RefreshProgressIndicator)).dy, lessThan(300.0));
});
testWidgets('RefreshIndicator - reverse - position', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: holdRefresh,
child: ListView(
reverse: true,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[SizedBox(height: 200.0, child: Text('X'))],
),
),
),
);
await tester.fling(find.text('X'), const Offset(0.0, 600.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(tester.getCenter(find.byType(RefreshProgressIndicator)).dy, lessThan(300.0));
});
testWidgets('RefreshIndicator - no movement', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[SizedBox(height: 200.0, child: Text('X'))],
),
),
),
);
// this fling is horizontal, not up or down
await tester.fling(find.text('X'), const Offset(1.0, 0.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, false);
});
testWidgets('RefreshIndicator - not enough', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[SizedBox(height: 200.0, child: Text('X'))],
),
),
),
);
await tester.fling(find.text('X'), const Offset(0.0, 50.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, false);
});
testWidgets('RefreshIndicator - just enough', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[SizedBox(height: 200.0, child: Text('X'))],
),
),
),
);
await tester.fling(find.text('X'), const Offset(0.0, 200.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, true);
});
testWidgets('RefreshIndicator - drag back not far enough to cancel', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 200.0, child: Text('X')),
SizedBox(height: 1000),
],
),
),
),
);
final Offset startLocation = tester.getCenter(
find.text('X'),
warnIfMissed: true,
callee: 'drag',
);
final testPointer = TestPointer();
await tester.sendEventToBinding(testPointer.down(startLocation));
await tester.sendEventToBinding(testPointer.move(startLocation + const Offset(0.0, 175)));
await tester.pump();
await tester.sendEventToBinding(testPointer.move(startLocation + const Offset(0.0, 150)));
await tester.pump();
await tester.sendEventToBinding(testPointer.up());
await tester.pump();
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, true);
});
testWidgets('RefreshIndicator - drag back far enough to cancel', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 200.0, child: Text('X')),
SizedBox(height: 1000),
],
),
),
),
);
final Offset startLocation = tester.getCenter(
find.text('X'),
warnIfMissed: true,
callee: 'drag',
);
final testPointer = TestPointer();
await tester.sendEventToBinding(testPointer.down(startLocation));
await tester.sendEventToBinding(testPointer.move(startLocation + const Offset(0.0, 175)));
await tester.pump();
await tester.sendEventToBinding(testPointer.move(startLocation + const Offset(0.0, 149)));
await tester.pump();
await tester.sendEventToBinding(testPointer.up());
await tester.pump();
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, false);
});
testWidgets('RefreshIndicator - show - slow', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: holdRefresh, // this one never returns
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[SizedBox(height: 200.0, child: Text('X'))],
),
),
),
);
var completed = false;
tester.state<RefreshIndicatorState>(find.byType(RefreshIndicator)).show().then<void>((
void value,
) {
completed = true;
});
await tester.pump();
expect(completed, false);
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, true);
expect(completed, false);
completed = false;
refreshCalled = false;
tester.state<RefreshIndicatorState>(find.byType(RefreshIndicator)).show().then<void>((
void value,
) {
completed = true;
});
await tester.pump();
expect(completed, false);
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, false);
});
testWidgets('RefreshIndicator - show - fast', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[SizedBox(height: 200.0, child: Text('X'))],
),
),
),
);
var completed = false;
tester.state<RefreshIndicatorState>(find.byType(RefreshIndicator)).show().then<void>((
void value,
) {
completed = true;
});
await tester.pump();
expect(completed, false);
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, true);
expect(completed, true);
completed = false;
refreshCalled = false;
tester.state<RefreshIndicatorState>(find.byType(RefreshIndicator)).show().then<void>((
void value,
) {
completed = true;
});
await tester.pump();
expect(completed, false);
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, true);
expect(completed, true);
});
testWidgets('RefreshIndicator - show - fast - twice', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[SizedBox(height: 200.0, child: Text('X'))],
),
),
),
);
var completed1 = false;
tester.state<RefreshIndicatorState>(find.byType(RefreshIndicator)).show().then<void>((
void value,
) {
completed1 = true;
});
var completed2 = false;
tester.state<RefreshIndicatorState>(find.byType(RefreshIndicator)).show().then<void>((
void value,
) {
completed2 = true;
});
await tester.pump();
expect(completed1, false);
expect(completed2, false);
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, true);
expect(completed1, true);
expect(completed2, true);
});
testWidgets(
'Refresh starts while scroll view moves back to 0.0 after overscroll',
(WidgetTester tester) async {
refreshCalled = false;
double lastScrollOffset;
final controller = ScrollController();
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
controller: controller,
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
),
);
if (debugDefaultTargetPlatformOverride == TargetPlatform.macOS) {
await tester.fling(find.text('A'), const Offset(0.0, 1500.0), 10000.0);
} else {
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0);
}
await tester.pump(const Duration(milliseconds: 100));
expect(lastScrollOffset = controller.offset, lessThan(0.0));
expect(refreshCalled, isFalse);
await tester.pump(const Duration(milliseconds: 400));
expect(controller.offset, greaterThan(lastScrollOffset));
expect(controller.offset, lessThan(0.0));
expect(refreshCalled, isTrue);
controller.dispose();
},
variant: const TargetPlatformVariant(<TargetPlatform>{
TargetPlatform.iOS,
TargetPlatform.macOS,
}),
);
testWidgets('RefreshIndicator does not force child to relayout', (WidgetTester tester) async {
var layoutCount = 0;
Widget layoutCallback(BuildContext context, BoxConstraints constraints) {
layoutCount++;
return ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
);
}
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: LayoutBuilder(builder: layoutCallback),
),
),
);
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0); // trigger refresh
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator hide animation
expect(layoutCount, 1);
});
testWidgets('RefreshIndicator responds to strokeWidth', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: () async {},
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
),
);
// Check for the default value
expect(
tester.widget<RefreshIndicator>(find.byType(RefreshIndicator)).strokeWidth,
RefreshProgressIndicator.defaultStrokeWidth,
);
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: () async {},
strokeWidth: 4.0,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
),
);
expect(tester.widget<RefreshIndicator>(find.byType(RefreshIndicator)).strokeWidth, 4.0);
});
testWidgets('RefreshIndicator responds to edgeOffset', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: () async {},
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
),
);
//By default the value of edgeOffset is 0.0
expect(tester.widget<RefreshIndicator>(find.byType(RefreshIndicator)).edgeOffset, 0.0);
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: () async {},
edgeOffset: kToolbarHeight,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
),
);
expect(
tester.widget<RefreshIndicator>(find.byType(RefreshIndicator)).edgeOffset,
kToolbarHeight,
);
});
testWidgets('RefreshIndicator appears at edgeOffset', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
edgeOffset: kToolbarHeight,
displacement: kToolbarHeight,
onRefresh: () async {
await Future<void>.delayed(const Duration(seconds: 1), () {});
},
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
),
);
await tester.fling(find.byType(ListView), const Offset(0.0, 2.0 * kToolbarHeight), 1000.0);
await tester.pump(const Duration(seconds: 2));
expect(
tester.getTopLeft(find.byType(RefreshProgressIndicator)).dy,
greaterThanOrEqualTo(2.0 * kToolbarHeight),
);
});
testWidgets(
'Top RefreshIndicator(anywhere mode) should be shown when dragging from non-zero scroll position',
(WidgetTester tester) async {
refreshCalled = false;
final scrollController = ScrollController();
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
triggerMode: RefreshIndicatorTriggerMode.anywhere,
onRefresh: holdRefresh,
child: ListView(
controller: scrollController,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 200.0, child: Text('X')),
SizedBox(height: 800.0, child: Text('Y')),
],
),
),
),
);
scrollController.jumpTo(50.0);
await tester.fling(find.text('X'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
expect(tester.getCenter(find.byType(RefreshProgressIndicator)).dy, lessThan(300.0));
scrollController.dispose();
},
);
testWidgets(
'Reverse RefreshIndicator(anywhere mode) should be shown when dragging from non-zero scroll position',
(WidgetTester tester) async {
refreshCalled = false;
final scrollController = ScrollController();
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
triggerMode: RefreshIndicatorTriggerMode.anywhere,
onRefresh: holdRefresh,
child: ListView(
reverse: true,
controller: scrollController,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 200.0, child: Text('X')),
SizedBox(height: 800.0, child: Text('Y')),
],
),
),
),
);
scrollController.jumpTo(50.0);
await tester.fling(find.text('X'), const Offset(0.0, 600.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
expect(tester.getCenter(find.byType(RefreshProgressIndicator)).dy, lessThan(300.0));
scrollController.dispose();
},
);
// Regression test for https://github.com/flutter/flutter/issues/71936
testWidgets(
'RefreshIndicator(anywhere mode) should not be shown when overscroll occurs due to inertia',
(WidgetTester tester) async {
refreshCalled = false;
final scrollController = ScrollController();
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
triggerMode: RefreshIndicatorTriggerMode.anywhere,
onRefresh: holdRefresh,
child: ListView(
controller: scrollController,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 200.0, child: Text('X')),
SizedBox(height: 2000.0, child: Text('Y')),
],
),
),
),
);
scrollController.jumpTo(100.0);
// Release finger before reach the edge.
await tester.fling(find.text('X'), const Offset(0.0, 99.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
expect(find.byType(RefreshProgressIndicator), findsNothing);
scrollController.dispose();
},
);
testWidgets(
'Top RefreshIndicator(onEdge mode) should not be shown when dragging from non-zero scroll position',
(WidgetTester tester) async {
refreshCalled = false;
final scrollController = ScrollController();
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: holdRefresh,
child: ListView(
controller: scrollController,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 200.0, child: Text('X')),
SizedBox(height: 800.0, child: Text('Y')),
],
),
),
),
);
scrollController.jumpTo(50.0);
await tester.fling(find.text('X'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
expect(find.byType(RefreshProgressIndicator), findsNothing);
scrollController.dispose();
},
);
testWidgets(
'Reverse RefreshIndicator(onEdge mode) should be shown when dragging from non-zero scroll position',
(WidgetTester tester) async {
refreshCalled = false;
final scrollController = ScrollController();
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: holdRefresh,
child: ListView(
reverse: true,
controller: scrollController,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 200.0, child: Text('X')),
SizedBox(height: 800.0, child: Text('Y')),
],
),
),
),
);
scrollController.jumpTo(50.0);
await tester.fling(find.text('X'), const Offset(0.0, -300.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
expect(find.byType(RefreshProgressIndicator), findsNothing);
scrollController.dispose();
},
);
testWidgets('ScrollController.jumpTo should not trigger the refresh indicator', (
WidgetTester tester,
) async {
refreshCalled = false;
final scrollController = ScrollController(initialScrollOffset: 500.0);
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
controller: scrollController,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 800.0, child: Text('X')),
SizedBox(height: 800.0, child: Text('Y')),
],
),
),
),
);
scrollController.jumpTo(0.0);
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator hide animation
expect(refreshCalled, false);
scrollController.dispose();
});
testWidgets('RefreshIndicator.adaptive', (WidgetTester tester) async {
Widget buildFrame(TargetPlatform platform) {
return MaterialApp(
theme: ThemeData(platform: platform),
home: RefreshIndicator.adaptive(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
);
}
for (final platform in <TargetPlatform>[TargetPlatform.iOS, TargetPlatform.macOS]) {
await tester.pumpWidget(buildFrame(platform));
await tester.pumpAndSettle(); // Finish the theme change animation.
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
expect(find.byType(CupertinoActivityIndicator), findsOneWidget);
expect(find.byType(RefreshProgressIndicator), findsNothing);
}
for (final platform in <TargetPlatform>[
TargetPlatform.android,
TargetPlatform.fuchsia,
TargetPlatform.linux,
TargetPlatform.windows,
]) {
await tester.pumpWidget(buildFrame(platform));
await tester.pumpAndSettle(); // Finish the theme change animation.
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
expect(
tester.getSemantics(find.byType(RefreshProgressIndicator)),
matchesSemantics(label: 'Refresh'),
);
expect(find.byType(CupertinoActivityIndicator), findsNothing);
}
});
testWidgets('RefreshIndicator color defaults to ColorScheme.primary', (
WidgetTester tester,
) async {
const primaryColor = Color(0xff4caf50);
final theme = ThemeData.from(
colorScheme: const ColorScheme.light().copyWith(primary: primaryColor),
);
await tester.pumpWidget(
MaterialApp(
theme: theme,
home: StatefulBuilder(
builder: (BuildContext context, StateSetter stateSetter) {
return RefreshIndicator(
triggerMode: RefreshIndicatorTriggerMode.anywhere,
onRefresh: holdRefresh,
child: ListView(
reverse: true,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 200.0, child: Text('X')),
SizedBox(height: 800.0, child: Text('Y')),
],
),
);
},
),
),
);
await tester.fling(find.text('X'), const Offset(0.0, 600.0), 1000.0);
await tester.pump();
expect(
tester
.widget<RefreshProgressIndicator>(find.byType(RefreshProgressIndicator))
.valueColor!
.value,
primaryColor,
);
});
testWidgets('RefreshIndicator.color can be updated at runtime', (WidgetTester tester) async {
refreshCalled = false;
Color refreshIndicatorColor = Colors.green;
const Color red = Colors.red;
late StateSetter setState;
await tester.pumpWidget(
MaterialApp(
home: StatefulBuilder(
builder: (BuildContext context, StateSetter stateSetter) {
setState = stateSetter;
return RefreshIndicator(
triggerMode: RefreshIndicatorTriggerMode.anywhere,
onRefresh: holdRefresh,
color: refreshIndicatorColor,
child: ListView(
reverse: true,
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[
SizedBox(height: 200.0, child: Text('X')),
SizedBox(height: 800.0, child: Text('Y')),
],
),
);
},
),
),
);
await tester.fling(find.text('X'), const Offset(0.0, 600.0), 1000.0);
await tester.pump();
expect(
tester
.widget<RefreshProgressIndicator>(find.byType(RefreshProgressIndicator))
.valueColor!
.value,
refreshIndicatorColor.withOpacity(1.0),
);
setState(() {
refreshIndicatorColor = red;
});
await tester.pump();
expect(
tester
.widget<RefreshProgressIndicator>(find.byType(RefreshProgressIndicator))
.valueColor!
.value,
red.withOpacity(1.0),
);
});
testWidgets('RefreshIndicator - reverse - BouncingScrollPhysics', (WidgetTester tester) async {
refreshCalled = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
reverse: true,
physics: const BouncingScrollPhysics(),
children: <Widget>[
for (int i = 0; i < 4; i++) SizedBox(height: 200.0, child: Text('X - $i')),
],
),
),
),
);
// Scroll to top
await tester.fling(find.text('X - 0'), const Offset(0.0, 800.0), 1000.0);
await tester.pumpAndSettle();
// Fling down to show refresh indicator
await tester.fling(find.text('X - 3'), const Offset(0.0, 250.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator hide animation
expect(refreshCalled, true);
});
testWidgets('RefreshIndicator disallows indicator - glow', (WidgetTester tester) async {
refreshCalled = false;
var glowAccepted = true;
ScrollNotification? lastNotification;
await tester.pumpWidget(
MaterialApp(
theme: ThemeData(useMaterial3: false),
home: RefreshIndicator(
onRefresh: refresh,
child: Builder(
builder: (BuildContext context) {
return NotificationListener<ScrollNotification>(
onNotification: (ScrollNotification notification) {
if (notification is OverscrollNotification &&
lastNotification is! OverscrollNotification) {
final confirmationNotification = OverscrollIndicatorNotification(leading: true);
confirmationNotification.dispatch(context);
glowAccepted = confirmationNotification.accepted;
}
lastNotification = notification;
return false;
},
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
);
},
),
),
),
);
expect(find.byType(StretchingOverscrollIndicator), findsNothing);
expect(find.byType(GlowingOverscrollIndicator), findsOneWidget);
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator hide animation
expect(refreshCalled, true);
expect(glowAccepted, false);
});
testWidgets('RefreshIndicator disallows indicator - stretch', (WidgetTester tester) async {
refreshCalled = false;
var stretchAccepted = true;
ScrollNotification? lastNotification;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: Builder(
builder: (BuildContext context) {
return NotificationListener<ScrollNotification>(
onNotification: (ScrollNotification notification) {
if (notification is OverscrollNotification &&
lastNotification is! OverscrollNotification) {
final confirmationNotification = OverscrollIndicatorNotification(leading: true);
confirmationNotification.dispatch(context);
stretchAccepted = confirmationNotification.accepted;
}
lastNotification = notification;
return false;
},
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
);
},
),
),
),
);
expect(find.byType(StretchingOverscrollIndicator), findsOneWidget);
expect(find.byType(GlowingOverscrollIndicator), findsNothing);
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
await tester.pump(const Duration(seconds: 1)); // finish the scroll animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator settle animation
await tester.pump(const Duration(seconds: 1)); // finish the indicator hide animation
expect(refreshCalled, true);
expect(stretchAccepted, false);
});
group('RefreshIndicator.noSpinner', () {
testWidgets('onStatusChange and onRefresh Trigger', (WidgetTester tester) async {
refreshCalled = false;
var modeSnap = false;
var modeDrag = false;
var modeArmed = false;
var modeDone = false;
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator.noSpinner(
onStatusChange: (RefreshIndicatorStatus? mode) {
if (mode == RefreshIndicatorStatus.armed) {
modeArmed = true;
}
if (mode == RefreshIndicatorStatus.drag) {
modeDrag = true;
}
if (mode == RefreshIndicatorStatus.snap) {
modeSnap = true;
}
if (mode == RefreshIndicatorStatus.done) {
modeDone = true;
}
},
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: <String>['A', 'B', 'C', 'D', 'E', 'F'].map<Widget>((String item) {
return SizedBox(height: 200.0, child: Text(item));
}).toList(),
),
),
),
);
await tester.fling(find.text('A'), const Offset(0.0, 300.0), 1000.0);
await tester.pump();
// Finish the scroll animation.
await tester.pump(const Duration(seconds: 1));
// Finish the indicator settle animation.
await tester.pump(const Duration(seconds: 1));
// Finish the indicator hide animation.
await tester.pump(const Duration(seconds: 1));
expect(refreshCalled, true);
expect(modeSnap, true);
expect(modeDrag, true);
expect(modeArmed, true);
expect(modeDone, true);
});
});
testWidgets('RefreshIndicator manipulates value color opacity correctly', (
WidgetTester tester,
) async {
final colors = <Color>[
Colors.black,
Colors.black54,
Colors.white,
Colors.white54,
Colors.transparent,
];
const positions = <double>[50.0, 100.0, 150.0];
Future<void> testColor(Color color) async {
final positionController = AnimationController(vsync: const TestVSync());
addTearDown(positionController.dispose);
// Correspond to [_setupColorTween].
final Animation<Color?> valueColorAnimation = positionController.drive(
ColorTween(begin: color.withAlpha(0), end: color.withAlpha(color.alpha)).chain(
CurveTween(
// Correspond to [_kDragSizeFactorLimit].
curve: const Interval(0.0, 1.0 / 1.5),
),
),
);
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
color: color,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[Text('X')],
),
),
),
);
RefreshProgressIndicator getIndicator() {
return tester.widget<RefreshProgressIndicator>(find.byType(RefreshProgressIndicator));
}
// Correspond to [_kDragContainerExtentPercentage].
final double maxPosition =
tester.view.physicalSize.height / tester.view.devicePixelRatio * 0.25;
for (final position in positions) {
await tester.fling(find.text('X'), Offset(0.0, position), 1.0);
await tester.pump();
positionController.value = position / maxPosition;
expect(getIndicator().valueColor!.value!.alpha, valueColorAnimation.value!.alpha);
// Wait until the fling finishes before starting the next fling.
await tester.pumpAndSettle();
}
}
for (final color in colors) {
await testColor(color);
}
});
testWidgets('RefreshIndicator passes the default elevation through correctly', (
WidgetTester tester,
) async {
final positionController = AnimationController(vsync: const TestVSync());
addTearDown(positionController.dispose);
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[Text('X')],
),
),
),
);
final double maxPosition =
tester.view.physicalSize.height / tester.view.devicePixelRatio * 0.25;
const position = 50.0;
await tester.fling(find.text('X'), const Offset(0.0, position), 1.0);
await tester.pump();
positionController.value = position / maxPosition;
expect(
tester.widget<RefreshProgressIndicator>(find.byType(RefreshProgressIndicator)).elevation,
2.0,
);
});
testWidgets('RefreshIndicator passes custom elevation values through correctly', (
WidgetTester tester,
) async {
for (final elevation in <double>[0.0, 2.0]) {
final positionController = AnimationController(vsync: const TestVSync());
addTearDown(positionController.dispose);
await tester.pumpWidget(
MaterialApp(
home: RefreshIndicator(
elevation: elevation,
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Widget>[Text('X')],
),
),
),
);
final double maxPosition =
tester.view.physicalSize.height / tester.view.devicePixelRatio * 0.25;
const position = 50.0;
await tester.fling(find.text('X'), const Offset(0.0, position), 1.0);
await tester.pump();
positionController.value = position / maxPosition;
expect(
tester.widget<RefreshProgressIndicator>(find.byType(RefreshProgressIndicator)).elevation,
elevation,
);
await tester.pumpAndSettle();
}
});
testWidgets('RefreshIndicator does not crash at zero area', (WidgetTester tester) async {
await tester.pumpWidget(
MaterialApp(
home: Center(
child: SizedBox.shrink(
child: RefreshIndicator(
onRefresh: refresh,
child: ListView(
physics: const AlwaysScrollableScrollPhysics(),
children: const <Text>[Text('X')],
),
),
),
),
),
);
expect(tester.getSize(find.byType(RefreshIndicator)), Size.zero);
final TestGesture gesture = await tester.startGesture(tester.getCenter(find.byType(Center)));
await gesture.moveBy(const Offset(0.0, 20.0));
await tester.pump();
await gesture.up();
await tester.pumpAndSettle();
});
}