Add tests for material banner example (#147733)

Part of https://github.com/flutter/flutter/issues/130459.
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derdilla 2024-05-23 20:48:09 +02:00 committed by GitHub
parent 82c3b38eb8
commit 1c1516c35e
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2 changed files with 61 additions and 1 deletions

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@ -7,6 +7,21 @@ import 'package:flutter_api_samples/material/banner/material_banner.0.dart' as e
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Shows all elements', (WidgetTester tester) async {
await tester.pumpWidget(
const example.MaterialBannerExampleApp(),
);
expect(find.byType(MaterialBanner), findsOneWidget);
expect(find.byType(AppBar), findsOneWidget);
expect(find.byType(TextButton), findsNWidgets(2));
expect(find.text('Hello, I am a Material Banner'), findsOneWidget);
expect(find.text('The MaterialBanner is below'), findsOneWidget);
expect(find.text('OPEN'), findsOneWidget);
expect(find.text('DISMISS'), findsOneWidget);
expect(find.byIcon(Icons.agriculture_outlined), findsOneWidget);
});
testWidgets('BottomNavigationBar Updates Screen Content', (WidgetTester tester) async {
await tester.pumpWidget(
const example.MaterialBannerExampleApp(),
@ -18,4 +33,16 @@ void main() {
expect(find.widgetWithText(TextButton, 'OPEN'), findsOne);
expect(find.widgetWithText(TextButton, 'DISMISS'), findsOne);
});
testWidgets('The banner is below the text saying so', (WidgetTester tester) async {
await tester.pumpWidget(
const example.MaterialBannerExampleApp(),
);
expect(find.byType(MaterialBanner), findsOneWidget);
expect(find.text('The MaterialBanner is below'), findsOneWidget);
final double bannerY = tester.getCenter(find.byType(MaterialBanner)).dy;
final double textY = tester.getCenter(find.text('The MaterialBanner is below')).dy;
expect(bannerY, greaterThan(textY));
});
}

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@ -3,10 +3,32 @@
// found in the LICENSE file.
import 'package:flutter/material.dart';
import 'package:flutter_api_samples/material/banner/material_banner.1.dart' as example;
import 'package:flutter_api_samples/material/banner/material_banner.1.dart'
as example;
import 'package:flutter_test/flutter_test.dart';
void main() {
testWidgets('Shows all elements when needed', (WidgetTester tester) async {
await tester.pumpWidget(const example.MaterialBannerExampleApp());
await tester.pumpAndSettle();
expect(find.text('The MaterialBanner is below'), findsOneWidget);
expect(find.text('Show MaterialBanner'), findsOneWidget);
expect(find.byType(MaterialBanner), findsNothing);
expect(find.text('DISMISS'), findsNothing);
expect(find.byIcon(Icons.agriculture_outlined), findsNothing);
await tester.tap(find.text('Show MaterialBanner'));
await tester.pumpAndSettle();
expect(find.byType(MaterialBanner), findsOneWidget);
expect(find.text('DISMISS'), findsOneWidget);
expect(find.byIcon(Icons.agriculture_outlined), findsOneWidget);
final MaterialBanner banner = tester.widget<MaterialBanner>(
find.byType(MaterialBanner),
);
expect(banner.backgroundColor, Colors.green);
});
testWidgets('BottomNavigationBar Updates Screen Content', (WidgetTester tester) async {
await tester.pumpWidget(
const example.MaterialBannerExampleApp(),
@ -20,6 +42,17 @@ void main() {
expect(find.text('Hello, I am a Material Banner'), findsOne);
expect(find.byIcon(Icons.agriculture_outlined), findsOne);
expect(find.widgetWithText(TextButton, 'DISMISS'), findsOne);
});
testWidgets('The banner is below the text saying so', (WidgetTester tester) async {
await tester.pumpWidget(const example.MaterialBannerExampleApp());
await tester.tap(find.text('Show MaterialBanner'));
await tester.pumpAndSettle();
expect(find.byType(MaterialBanner), findsOneWidget);
expect(find.text('The MaterialBanner is below'), findsOneWidget);
final double bannerY = tester.getCenter(find.byType(MaterialBanner)).dy;
final double textY = tester.getCenter(find.text('The MaterialBanner is below')).dy;
expect(bannerY, greaterThan(textY));
});
}