resizable_sheet_test.dart
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import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:sheet/src/widgets/resizable_sheet.dart';
import '../../screen_size_test.dart';
void main() {
group('ResizableSheetChild', () {
testWidgets('if resizable is false, constraints are ignored',
(WidgetTester tester) async {
final ViewportOffset offset = ViewportOffset.fixed(100);
await tester.pumpWidget(
ResizableSheetChild(
offset: offset,
child: Container(),
resizable: false,
),
);
expect(tester.getSize(find.byType(Container)), kScreenSize);
});
testWidgets('if resizable is true, child height depends on pixels offset',
(WidgetTester tester) async {
final ViewportOffset offset = ViewportOffset.fixed(100);
await tester.pumpWidget(
ResizableSheetChild(
offset: offset,
child: Container(),
resizable: true,
),
);
expect(tester.getSize(find.byType(Container)).height, 100);
});
testWidgets('minExtent is Zero By default', (WidgetTester tester) async {
final ViewportOffset offset = ViewportOffset.fixed(100);
expect(
ResizableSheetChild(
offset: offset,
child: Container(),
resizable: true,
).minExtent,
isZero,
);
});
testWidgets('minExtent works', (WidgetTester tester) async {
final ViewportOffset offset = ViewportOffset.fixed(100);
await tester.pumpWidget(
ResizableSheetChild(
offset: offset,
child: Container(),
minExtent: 200,
resizable: true,
),
);
expect(tester.getSize(find.byType(Container)).height, 200);
});
});
group('Updates render object values', () {
testWidgets('ViewportOffset', (WidgetTester tester) async {
late StateSetter setState;
ViewportOffset offset = ViewportOffset.fixed(100);
await tester.pumpWidget(
StatefulBuilder(
builder: (BuildContext context, StateSetter stateSetter) {
setState = stateSetter;
return ResizableSheetChild(
offset: offset,
child: Container(),
resizable: true,
);
}),
);
final RenderResizableSheetChildBox renderObject =
tester.renderObject<RenderResizableSheetChildBox>(
find.byType(ResizableSheetChild));
expect(renderObject.offset, offset);
expect(tester.getSize(find.byType(Container)).height, offset.pixels);
offset = ViewportOffset.fixed(200);
setState(() {});
await tester.pump();
expect(renderObject.offset, offset);
expect(renderObject.offset.pixels, 200);
expect(tester.getSize(find.byType(Container)).height, offset.pixels);
});
testWidgets('resizable', (WidgetTester tester) async {
late StateSetter setState;
final ViewportOffset offset = ViewportOffset.fixed(100);
bool resizable = true;
await tester.pumpWidget(
StatefulBuilder(
builder: (BuildContext context, StateSetter stateSetter) {
setState = stateSetter;
return ResizableSheetChild(
offset: offset,
child: Container(),
resizable: resizable,
);
}),
);
final RenderResizableSheetChildBox renderObject =
tester.renderObject<RenderResizableSheetChildBox>(
find.byType(ResizableSheetChild));
expect(renderObject.resizable, resizable);
expect(tester.getSize(find.byType(Container)).height, offset.pixels);
resizable = false;
setState(() {});
await tester.pump();
expect(renderObject.resizable, resizable);
expect(renderObject.resizable, isFalse);
expect(tester.getSize(find.byType(Container)), kScreenSize);
});
testWidgets('minExtent', (WidgetTester tester) async {
late StateSetter setState;
final ViewportOffset offset = ViewportOffset.fixed(100);
double minExtent = 200;
await tester.pumpWidget(
StatefulBuilder(
builder: (BuildContext context, StateSetter stateSetter) {
setState = stateSetter;
return ResizableSheetChild(
offset: offset,
child: Container(),
minExtent: minExtent,
resizable: true,
);
}),
);
final RenderResizableSheetChildBox renderObject =
tester.renderObject<RenderResizableSheetChildBox>(
find.byType(ResizableSheetChild));
expect(renderObject.minExtent, minExtent);
expect(tester.getSize(find.byType(Container)).height, 200);
minExtent = 300;
setState(() {});
await tester.pump();
expect(renderObject.minExtent, minExtent);
expect(tester.getSize(find.byType(Container)).height, 300);
});
});
}