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flutter/packages/flutter/test/widget/draggable_test.dart
Ian Hickson 43b0104114 Revert "Merge pull request #2639 from Hixie/always_specify_types" 
This reverts commit f41b3411da35929b09009e47cb52474389e42874, reversing
changes made to e33d8d96212f3e337a6660f1eb1118bffc945bf5.

This was a bad check-in due to my mangling uploading a new version of the branch from a different machine.

This reverts https://github.com/flutter/flutter/pull/2639 and will be replaced by https://github.com/flutter/flutter/pull/2640
2016-03-12 00:34:37 -08:00

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// Copyright 2015 The Chromium 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 'package:flutter_test/flutter_test.dart';
import 'package:flutter/material.dart';
import 'package:test/test.dart';
void main() {
test('Drag and drop - control test', () {
testWidgets((WidgetTester tester) {
List<dynamic> accepted = <dynamic>[];
tester.pumpWidget(new MaterialApp(
routes: <String, RouteBuilder>{
'/': (RouteArguments args) { return new Column(
children: <Widget>[
new Draggable(
data: 1,
child: new Text('Source'),
feedback: new Text('Dragging')
),
new DragTarget(
builder: (context, data, rejects) {
return new Container(
height: 100.0,
child: new Text('Target')
);
},
onAccept: (data) {
accepted.add(data);
}
),
]);
},
}
));
expect(accepted, isEmpty);
expect(tester.findText('Source'), isNotNull);
expect(tester.findText('Dragging'), isNull);
expect(tester.findText('Target'), isNotNull);
Point firstLocation = tester.getCenter(tester.findText('Source'));
TestGesture gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
expect(accepted, isEmpty);
expect(tester.findText('Source'), isNotNull);
expect(tester.findText('Dragging'), isNotNull);
expect(tester.findText('Target'), isNotNull);
Point secondLocation = tester.getCenter(tester.findText('Target'));
gesture.moveTo(secondLocation);
tester.pump();
expect(accepted, isEmpty);
expect(tester.findText('Source'), isNotNull);
expect(tester.findText('Dragging'), isNotNull);
expect(tester.findText('Target'), isNotNull);
gesture.up();
tester.pump();
expect(accepted, equals([1]));
expect(tester.findText('Source'), isNotNull);
expect(tester.findText('Dragging'), isNull);
expect(tester.findText('Target'), isNotNull);
});
});
test('Drag and drop - dragging over button', () {
testWidgets((WidgetTester tester) {
List<String> events = <String>[];
Point firstLocation, secondLocation;
tester.pumpWidget(new MaterialApp(
routes: <String, RouteBuilder>{
'/': (RouteArguments args) { return new Column(
children: <Widget>[
new Draggable(
data: 1,
child: new Text('Source'),
feedback: new Text('Dragging')
),
new Stack(
children: <Widget>[
new GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () {
events.add('tap');
},
child: new Container(
child: new Text('Button')
)
),
new DragTarget(
builder: (context, data, rejects) {
return new IgnorePointer(
child: new Container(
child: new Text('Target')
)
);
},
onAccept: (data) {
events.add('drop');
}
),
]
),
]);
},
}
));
expect(events, isEmpty);
expect(tester.findText('Source'), isNotNull);
expect(tester.findText('Dragging'), isNull);
expect(tester.findText('Target'), isNotNull);
expect(tester.findText('Button'), isNotNull);
// taps (we check both to make sure the test is consistent)
expect(events, isEmpty);
tester.tap(tester.findText('Button'));
expect(events, equals(<String>['tap']));
events.clear();
expect(events, isEmpty);
tester.tap(tester.findText('Target'));
expect(events, equals(<String>['tap']));
events.clear();
// drag and drop
firstLocation = tester.getCenter(tester.findText('Source'));
TestGesture gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
secondLocation = tester.getCenter(tester.findText('Target'));
gesture.moveTo(secondLocation);
tester.pump();
expect(events, isEmpty);
gesture.up();
tester.pump();
expect(events, equals(<String>['drop']));
events.clear();
// drag and tap and drop
firstLocation = tester.getCenter(tester.findText('Source'));
gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
secondLocation = tester.getCenter(tester.findText('Target'));
gesture.moveTo(secondLocation);
tester.pump();
expect(events, isEmpty);
tester.tap(tester.findText('Button'));
tester.tap(tester.findText('Target'));
gesture.up();
tester.pump();
expect(events, equals(<String>['tap', 'tap', 'drop']));
events.clear();
});
});
test('Drag and drop - tapping button', () {
testWidgets((WidgetTester tester) {
List<String> events = <String>[];
Point firstLocation, secondLocation;
tester.pumpWidget(new MaterialApp(
routes: <String, RouteBuilder>{
'/': (RouteArguments args) { return new Column(
children: <Widget>[
new Draggable(
data: 1,
child: new GestureDetector(
behavior: HitTestBehavior.opaque,
onTap: () {
events.add('tap');
},
child: new Container(
child: new Text('Button')
)
),
feedback: new Text('Dragging')
),
new DragTarget(
builder: (context, data, rejects) {
return new Text('Target');
},
onAccept: (data) {
events.add('drop');
}
),
]);
},
}
));
expect(events, isEmpty);
expect(tester.findText('Button'), isNotNull);
expect(tester.findText('Target'), isNotNull);
expect(events, isEmpty);
tester.tap(tester.findText('Button'));
expect(events, equals(<String>['tap']));
events.clear();
firstLocation = tester.getCenter(tester.findText('Button'));
TestGesture gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
secondLocation = tester.getCenter(tester.findText('Target'));
gesture.moveTo(secondLocation);
tester.pump();
expect(events, isEmpty);
gesture.up();
tester.pump();
expect(events, equals(<String>['drop']));
events.clear();
});
});
test('Drag and drop - long press draggable, short press', () {
testWidgets((WidgetTester tester) {
List<String> events = <String>[];
Point firstLocation, secondLocation;
tester.pumpWidget(new MaterialApp(
routes: <String, RouteBuilder>{
'/': (RouteArguments args) { return new Column(
children: <Widget>[
new LongPressDraggable(
data: 1,
child: new Text('Source'),
feedback: new Text('Dragging')
),
new DragTarget(
builder: (context, data, rejects) {
return new Text('Target');
},
onAccept: (data) {
events.add('drop');
}
),
]);
},
}
));
expect(events, isEmpty);
expect(tester.findText('Source'), isNotNull);
expect(tester.findText('Target'), isNotNull);
expect(events, isEmpty);
tester.tap(tester.findText('Source'));
expect(events, isEmpty);
firstLocation = tester.getCenter(tester.findText('Source'));
TestGesture gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
secondLocation = tester.getCenter(tester.findText('Target'));
gesture.moveTo(secondLocation);
tester.pump();
expect(events, isEmpty);
gesture.up();
tester.pump();
expect(events, isEmpty);
});
});
test('Drag and drop - long press draggable, long press', () {
testWidgets((WidgetTester tester) {
List<String> events = <String>[];
Point firstLocation, secondLocation;
tester.pumpWidget(new MaterialApp(
routes: <String, RouteBuilder>{
'/': (RouteArguments args) { return new Column(
children: <Widget>[
new Draggable(
data: 1,
child: new Text('Source'),
feedback: new Text('Dragging')
),
new DragTarget(
builder: (context, data, rejects) {
return new Text('Target');
},
onAccept: (data) {
events.add('drop');
}
),
]);
},
}
));
expect(events, isEmpty);
expect(tester.findText('Source'), isNotNull);
expect(tester.findText('Target'), isNotNull);
expect(events, isEmpty);
tester.tap(tester.findText('Source'));
expect(events, isEmpty);
firstLocation = tester.getCenter(tester.findText('Source'));
TestGesture gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
tester.pump(const Duration(seconds: 20));
secondLocation = tester.getCenter(tester.findText('Target'));
gesture.moveTo(secondLocation);
tester.pump();
expect(events, isEmpty);
gesture.up();
tester.pump();
expect(events, equals(<String>['drop']));
});
});
test('Drag and drop - horizontal and vertical draggables in vertical block', () {
testWidgets((WidgetTester tester) {
List<String> events = <String>[];
Point firstLocation, secondLocation, thirdLocation;
tester.pumpWidget(new MaterialApp(
routes: <String, RouteBuilder>{
'/': (RouteArguments args) {
return new Block(
children: <Widget>[
new DragTarget(
builder: (context, data, rejects) {
return new Text('Target');
},
onAccept: (data) {
events.add('drop $data');
}
),
new Container(height: 400.0),
new HorizontalDraggable(
data: 1,
child: new Text('H'),
feedback: new Text('Dragging')
),
new VerticalDraggable(
data: 2,
child: new Text('V'),
feedback: new Text('Dragging')
),
new Container(height: 500.0),
new Container(height: 500.0),
new Container(height: 500.0),
new Container(height: 500.0),
]
);
},
}
));
expect(events, isEmpty);
expect(tester.findText('Target'), isNotNull);
expect(tester.findText('H'), isNotNull);
expect(tester.findText('V'), isNotNull);
// vertical draggable drags vertically
expect(events, isEmpty);
firstLocation = tester.getCenter(tester.findText('V'));
secondLocation = tester.getCenter(tester.findText('Target'));
TestGesture gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
gesture.moveTo(secondLocation);
tester.pump();
gesture.up();
tester.pump();
expect(events, equals(<String>['drop 2']));
expect(tester.getCenter(tester.findText('Target')).y, greaterThan(0.0));
events.clear();
// horizontal draggable drags horizontally
expect(events, isEmpty);
firstLocation = tester.getTopLeft(tester.findText('H'));
secondLocation = tester.getTopRight(tester.findText('H'));
thirdLocation = tester.getCenter(tester.findText('Target'));
gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
gesture.moveTo(secondLocation);
tester.pump();
gesture.moveTo(thirdLocation);
tester.pump();
gesture.up();
tester.pump();
expect(events, equals(<String>['drop 1']));
expect(tester.getCenter(tester.findText('Target')).y, greaterThan(0.0));
events.clear();
// vertical draggable drags horizontally when there's no competition
// from other gesture detectors
expect(events, isEmpty);
firstLocation = tester.getTopLeft(tester.findText('V'));
secondLocation = tester.getTopRight(tester.findText('V'));
thirdLocation = tester.getCenter(tester.findText('Target'));
gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
gesture.moveTo(secondLocation);
tester.pump();
gesture.moveTo(thirdLocation);
tester.pump();
gesture.up();
tester.pump();
expect(events, equals(<String>['drop 2']));
expect(tester.getCenter(tester.findText('Target')).y, greaterThan(0.0));
events.clear();
// horizontal draggable doesn't drag vertically when there is competition
// for vertical gestures
expect(events, isEmpty);
firstLocation = tester.getCenter(tester.findText('H'));
secondLocation = tester.getCenter(tester.findText('Target'));
gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
gesture.moveTo(secondLocation);
tester.pump(); // scrolls off screen!
gesture.up();
tester.pump();
expect(events, equals(<String>[]));
expect(tester.getCenter(tester.findText('Target')).y, lessThan(0.0));
events.clear();
});
});
test('Drag and drop - horizontal and vertical draggables in horizontal block', () {
testWidgets((WidgetTester tester) {
List<String> events = <String>[];
Point firstLocation, secondLocation, thirdLocation;
tester.pumpWidget(new MaterialApp(
routes: <String, RouteBuilder>{
'/': (RouteArguments args) {
return new Block(
scrollDirection: Axis.horizontal,
children: <Widget>[
new DragTarget(
builder: (context, data, rejects) {
return new Text('Target');
},
onAccept: (data) {
events.add('drop $data');
}
),
new Container(width: 400.0),
new HorizontalDraggable(
data: 1,
child: new Text('H'),
feedback: new Text('Dragging')
),
new VerticalDraggable(
data: 2,
child: new Text('V'),
feedback: new Text('Dragging')
),
new Container(width: 500.0),
new Container(width: 500.0),
new Container(width: 500.0),
new Container(width: 500.0),
]
);
},
}
));
expect(events, isEmpty);
expect(tester.findText('Target'), isNotNull);
expect(tester.findText('H'), isNotNull);
expect(tester.findText('V'), isNotNull);
// horizontal draggable drags horizontally
expect(events, isEmpty);
firstLocation = tester.getCenter(tester.findText('H'));
secondLocation = tester.getCenter(tester.findText('Target'));
TestGesture gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
gesture.moveTo(secondLocation);
tester.pump();
gesture.up();
tester.pump();
expect(events, equals(<String>['drop 1']));
expect(tester.getCenter(tester.findText('Target')).x, greaterThan(0.0));
events.clear();
// vertical draggable drags vertically
expect(events, isEmpty);
firstLocation = tester.getTopLeft(tester.findText('V'));
secondLocation = tester.getBottomLeft(tester.findText('V'));
thirdLocation = tester.getCenter(tester.findText('Target'));
gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
gesture.moveTo(secondLocation);
tester.pump();
gesture.moveTo(thirdLocation);
tester.pump();
gesture.up();
tester.pump();
expect(events, equals(<String>['drop 2']));
expect(tester.getCenter(tester.findText('Target')).x, greaterThan(0.0));
events.clear();
// horizontal draggable drags vertically when there's no competition
// from other gesture detectors
expect(events, isEmpty);
firstLocation = tester.getTopLeft(tester.findText('H'));
secondLocation = tester.getBottomLeft(tester.findText('H'));
thirdLocation = tester.getCenter(tester.findText('Target'));
gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
gesture.moveTo(secondLocation);
tester.pump();
gesture.moveTo(thirdLocation);
tester.pump();
gesture.up();
tester.pump();
expect(events, equals(<String>['drop 1']));
expect(tester.getCenter(tester.findText('Target')).x, greaterThan(0.0));
events.clear();
// vertical draggable doesn't drag horizontally when there is competition
// for horizontal gestures
expect(events, isEmpty);
firstLocation = tester.getCenter(tester.findText('V'));
secondLocation = tester.getCenter(tester.findText('Target'));
gesture = tester.startGesture(firstLocation, pointer: 7);
tester.pump();
gesture.moveTo(secondLocation);
tester.pump(); // scrolls off screen!
gesture.up();
tester.pump();
expect(events, equals(<String>[]));
expect(tester.getCenter(tester.findText('Target')).x, lessThan(0.0));
events.clear();
});
});
}
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