flutter_screenutil_test.dart
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import 'package:flutter/material.dart';
import 'package:flutter_screenutil/flutter_screenutil.dart';
import 'package:flutter_test/flutter_test.dart';
import 'home.test.dart';
void main() {
const smallerDeviceSize = Size(300, 600);
const smallerDeviceData = MediaQueryData(size: smallerDeviceSize);
const biggerDeviceSize = Size(500, 900);
const biggerDeviceData = MediaQueryData(size: biggerDeviceSize);
const uiSize = Size(470, 740);
group('[Test calculations]', () {
test('Test smaller size', () {
ScreenUtil.configure(
data: smallerDeviceData,
designSize: uiSize,
minTextAdapt: true,
splitScreenMode: false,
);
expect(1.w, smallerDeviceSize.width / uiSize.width);
expect(1.w < 1, true);
expect(1.h, smallerDeviceSize.height / uiSize.height);
expect(1.h < 1, true);
});
test('Test bigger size', () {
ScreenUtil.configure(
data: biggerDeviceData,
designSize: uiSize,
minTextAdapt: true,
splitScreenMode: false,
);
expect(1.w, biggerDeviceSize.width / uiSize.width);
expect(1.w > 1, true);
expect(1.h, biggerDeviceSize.height / uiSize.height);
expect(1.h > 1, true);
});
});
group('[Test overflow]', () {
testWidgets('Test overflow width', (tester) async {
await tester.pumpWidget(ScreenUtilInit(
designSize: uiSize,
child: MaterialApp(home: WidgetTest(width: () => uiSize.width.w)),
));
// Wait until all widget rendered
await tester.pumpAndSettle();
// a Text widget must be present
expect(find.text('Test'), findsOneWidget);
});
testWidgets('Test overflow height', (tester) async {
await tester.pumpWidget(ScreenUtilInit(
designSize: uiSize,
child: MaterialApp(home: WidgetTest(height: () => uiSize.height.h)),
));
// Wait until all widget rendered
await tester.pumpAndSettle();
// a Text widget must be present
expect(find.text('Test'), findsOneWidget);
});
});
testWidgets('[Rebuilding]', (tester) async {
final textFieldKey = UniqueKey();
final buildCountNotifier = ValueNotifier(0);
final focusNode = FocusNode();
Finder textField() => find.byKey(textFieldKey);
await tester.pumpWidget(ScreenUtilInit(
designSize: uiSize,
rebuildFactor: RebuildFactors.always,
child: MaterialApp(
home: Scaffold(
body: Builder(
builder: (context) {
buildCountNotifier.value += 1;
assert(uiSize.width.w == MediaQuery.of(context).size.width);
return SizedBox(
width: 1.sw,
child: Column(
children: [
ValueListenableBuilder<int>(
valueListenable: buildCountNotifier,
builder: (_, count, __) => Text('Built count: $count'),
),
TextField(
key: textFieldKey,
focusNode: focusNode,
),
],
),
);
},
),
),
),
));
await tester.pumpAndSettle();
expect(buildCountNotifier.value, 1);
expect(textField(), findsOneWidget);
expect(focusNode.hasFocus, false);
await tester.tap(textField()).then((_) => tester.pumpAndSettle());
expect(textField(), findsOneWidget);
expect(focusNode.hasFocus, true);
expect(buildCountNotifier.value, 1);
// Simulate keyboard
tester.view.viewInsets = FakeViewPadding(bottom: 20);
await tester.pumpAndSettle();
expect(focusNode.hasFocus, true);
expect(buildCountNotifier.value, 1);
});
}