512 lines
16 KiB
Dart
512 lines
16 KiB
Dart
// Copyright 2014 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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import 'package:flutter/material.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets('SemanticsDebugger will schedule a frame', (WidgetTester tester) async {
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await tester.pumpWidget(
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SemanticsDebugger(
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child: Container(),
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),
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);
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expect(tester.binding.hasScheduledFrame, isTrue);
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});
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testWidgets('SemanticsDebugger smoke test', (WidgetTester tester) async {
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// This is a smoketest to verify that adding a debugger doesn't crash.
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: Stack(
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children: <Widget>[
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Semantics(),
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Semantics(
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container: true,
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),
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Semantics(
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label: 'label',
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textDirection: TextDirection.ltr,
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),
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],
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),
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),
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);
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Stack(
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children: <Widget>[
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Semantics(),
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Semantics(
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container: true,
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),
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Semantics(
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label: 'label',
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textDirection: TextDirection.ltr,
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),
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],
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),
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),
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),
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);
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expect(true, isTrue); // expect that we reach here without crashing
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});
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testWidgets('SemanticsDebugger reparents subtree', (WidgetTester tester) async {
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final GlobalKey key = GlobalKey();
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Stack(
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children: <Widget>[
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Semantics(label: 'label1', textDirection: TextDirection.ltr),
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Positioned(
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key: key,
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left: 0.0,
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top: 0.0,
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width: 100.0,
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height: 100.0,
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child: Semantics(label: 'label2', textDirection: TextDirection.ltr),
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),
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],
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),
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),
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),
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);
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Stack(
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children: <Widget>[
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Semantics(label: 'label1', textDirection: TextDirection.ltr),
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Semantics(
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container: true,
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child: Stack(
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children: <Widget>[
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Positioned(
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key: key,
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left: 0.0,
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top: 0.0,
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width: 100.0,
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height: 100.0,
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child: Semantics(label: 'label2', textDirection: TextDirection.ltr),
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),
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Semantics(label: 'label3', textDirection: TextDirection.ltr),
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],
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),
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),
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],
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),
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),
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),
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);
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Stack(
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children: <Widget>[
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Semantics(label: 'label1', textDirection: TextDirection.ltr),
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Semantics(
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container: true,
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child: Stack(
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children: <Widget>[
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Positioned(
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key: key,
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left: 0.0,
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top: 0.0,
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width: 100.0,
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height: 100.0,
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child: Semantics(label: 'label2', textDirection: TextDirection.ltr),
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),
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Semantics(label: 'label3', textDirection: TextDirection.ltr),
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Semantics(label: 'label4', textDirection: TextDirection.ltr),
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],
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),
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),
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],
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),
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),
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),
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);
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expect(tester.takeException(), isNull);
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});
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testWidgets('SemanticsDebugger interaction test', (WidgetTester tester) async {
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final List<String> log = <String>[];
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Material(
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child: ListView(
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children: <Widget>[
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ElevatedButton(
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onPressed: () {
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log.add('top');
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},
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child: const Text('TOP'),
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),
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ElevatedButton(
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onPressed: () {
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log.add('bottom');
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},
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child: const Text('BOTTOM'),
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),
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],
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),
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),
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),
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),
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);
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await tester.tap(find.text('TOP'), warnIfMissed: false); // hitting the debugger
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expect(log, equals(<String>['top']));
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log.clear();
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await tester.tap(find.text('BOTTOM'), warnIfMissed: false); // hitting the debugger
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expect(log, equals(<String>['bottom']));
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log.clear();
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});
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testWidgets('SemanticsDebugger interaction test - negative', (WidgetTester tester) async {
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final List<String> log = <String>[];
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Material(
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child: ListView(
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children: <Widget>[
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ElevatedButton(
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onPressed: () {
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log.add('top');
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},
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child: const Text('TOP', textDirection: TextDirection.ltr),
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),
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ExcludeSemantics(
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child: ElevatedButton(
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onPressed: () {
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log.add('bottom');
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},
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child: const Text('BOTTOM', textDirection: TextDirection.ltr),
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),
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),
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],
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),
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),
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),
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),
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);
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await tester.tap(find.text('TOP'), warnIfMissed: false); // hitting the debugger
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expect(log, equals(<String>['top']));
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log.clear();
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await tester.tap(find.text('BOTTOM'), warnIfMissed: false); // hitting the debugger
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expect(log, equals(<String>[]));
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log.clear();
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});
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testWidgets('SemanticsDebugger scroll test', (WidgetTester tester) async {
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final Key childKey = UniqueKey();
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: ListView(
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children: <Widget>[
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Container(
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key: childKey,
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height: 5000.0,
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color: Colors.green[500],
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),
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],
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),
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),
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),
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);
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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(0.0));
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await tester.fling(find.byType(ListView), const Offset(0.0, -200.0), 200.0, warnIfMissed: false); // hitting the debugger);
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await tester.pump();
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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(-480.0));
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await tester.fling(find.byType(ListView), const Offset(200.0, 0.0), 200.0, warnIfMissed: false); // hitting the debugger);
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await tester.pump();
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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(-480.0));
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await tester.fling(find.byType(ListView), const Offset(-200.0, 0.0), 200.0, warnIfMissed: false); // hitting the debugger);
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await tester.pump();
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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(-480.0));
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await tester.fling(find.byType(ListView), const Offset(0.0, 200.0), 200.0, warnIfMissed: false); // hitting the debugger);
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await tester.pump();
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expect(tester.getTopLeft(find.byKey(childKey)).dy, equals(0.0));
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});
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testWidgets('SemanticsDebugger long press', (WidgetTester tester) async {
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bool didLongPress = false;
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: GestureDetector(
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onLongPress: () {
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expect(didLongPress, isFalse);
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didLongPress = true;
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},
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child: const Text('target', textDirection: TextDirection.ltr),
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),
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),
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),
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);
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await tester.longPress(find.text('target'), warnIfMissed: false); // hitting the debugger
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expect(didLongPress, isTrue);
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});
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testWidgets('SemanticsDebugger slider', (WidgetTester tester) async {
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double value = 0.50;
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Directionality(
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textDirection: TextDirection.ltr,
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child: MediaQuery(
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data: MediaQueryData.fromWindow(WidgetsBinding.instance.window),
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child: Material(
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child: Center(
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child: Slider(
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value: value,
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onChanged: (double newValue) {
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value = newValue;
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},
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),
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),
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),
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),
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),
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),
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),
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);
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// The fling below must be such that the velocity estimation examines an
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// offset greater than the kTouchSlop. Too slow or too short a distance, and
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// it won't trigger. The actual distance moved doesn't matter since this is
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// interpreted as a gesture by the semantics debugger and sent to the widget
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// as a semantic action that always moves by 10% of the complete track.
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await tester.fling(find.byType(Slider), const Offset(-100.0, 0.0), 2000.0, warnIfMissed: false); // hitting the debugger
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expect(value, equals(0.45));
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});
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testWidgets('SemanticsDebugger checkbox', (WidgetTester tester) async {
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final Key keyTop = UniqueKey();
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final Key keyBottom = UniqueKey();
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bool? valueTop = false;
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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child: Material(
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child: ListView(
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children: <Widget>[
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Checkbox(
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key: keyTop,
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value: valueTop,
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onChanged: (bool? newValue) {
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valueTop = newValue;
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},
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),
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Checkbox(
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key: keyBottom,
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value: false,
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onChanged: null,
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),
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],
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),
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),
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),
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),
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);
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await tester.tap(find.byKey(keyTop), warnIfMissed: false); // hitting the debugger
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expect(valueTop, isTrue);
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valueTop = false;
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expect(valueTop, isFalse);
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await tester.tap(find.byKey(keyBottom), warnIfMissed: false); // hitting the debugger
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expect(valueTop, isFalse);
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});
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testWidgets('SemanticsDebugger checkbox message', (WidgetTester tester) async {
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final Key checkbox = UniqueKey();
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final Key checkboxUnchecked = UniqueKey();
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final Key checkboxDisabled = UniqueKey();
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final Key checkboxDisabledUnchecked = UniqueKey();
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final Key debugger = UniqueKey();
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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key: debugger,
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child: Material(
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child: ListView(
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children: <Widget>[
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Semantics(
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container: true,
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key: checkbox,
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child: Checkbox(
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value: true,
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onChanged: (bool? _) { },
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),
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),
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Semantics(
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container: true,
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key: checkboxUnchecked,
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child: Checkbox(
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value: false,
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onChanged: (bool? _) { },
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),
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),
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Semantics(
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container: true,
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key: checkboxDisabled,
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child: const Checkbox(
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value: true,
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onChanged: null,
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),
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),
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Semantics(
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container: true,
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key: checkboxDisabledUnchecked,
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child: const Checkbox(
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value: false,
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onChanged: null,
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),
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),
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],
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),
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),
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),
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),
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);
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expect(
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_getMessageShownInSemanticsDebugger(widgetKey: checkbox, debuggerKey: debugger, tester: tester),
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'checked',
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);
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expect(
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_getMessageShownInSemanticsDebugger(widgetKey: checkboxUnchecked, debuggerKey: debugger, tester: tester),
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'unchecked',
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);
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expect(
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_getMessageShownInSemanticsDebugger(widgetKey: checkboxDisabled, debuggerKey: debugger, tester: tester),
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'checked; disabled',
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);
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expect(
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_getMessageShownInSemanticsDebugger(widgetKey: checkboxDisabledUnchecked, debuggerKey: debugger, tester: tester),
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'unchecked; disabled',
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);
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});
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testWidgets('SemanticsDebugger textfield', (WidgetTester tester) async {
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final UniqueKey textField = UniqueKey();
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final UniqueKey debugger = UniqueKey();
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await tester.pumpWidget(
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MaterialApp(
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home: SemanticsDebugger(
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key: debugger,
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child: Material(
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child: TextField(
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key: textField,
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),
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),
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),
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),
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);
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final dynamic semanticsDebuggerPainter = _getSemanticsDebuggerPainter(debuggerKey: debugger, tester: tester);
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final RenderObject renderTextfield = tester.renderObject(find.descendant(of: find.byKey(textField), matching: find.byType(Semantics)).first);
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expect(
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// ignore: avoid_dynamic_calls
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semanticsDebuggerPainter.getMessage(renderTextfield.debugSemantics),
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'textfield',
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);
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});
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testWidgets('SemanticsDebugger label style is used in the painter.', (WidgetTester tester) async {
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final UniqueKey debugger = UniqueKey();
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const TextStyle labelStyle = TextStyle(color: Colors.amber);
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await tester.pumpWidget(
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Directionality(
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textDirection: TextDirection.ltr,
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child: SemanticsDebugger(
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key: debugger,
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labelStyle: labelStyle,
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child: Semantics(
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label: 'label',
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textDirection: TextDirection.ltr,
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),
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),
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),
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);
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// ignore: avoid_dynamic_calls
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expect(_getSemanticsDebuggerPainter(debuggerKey: debugger, tester: tester).labelStyle, labelStyle);
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});
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}
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String _getMessageShownInSemanticsDebugger({
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required Key widgetKey,
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required Key debuggerKey,
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required WidgetTester tester,
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}) {
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final dynamic semanticsDebuggerPainter = _getSemanticsDebuggerPainter(debuggerKey: debuggerKey, tester: tester);
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// ignore: avoid_dynamic_calls
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return semanticsDebuggerPainter.getMessage(tester.renderObject(find.byKey(widgetKey)).debugSemantics) as String;
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}
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dynamic _getSemanticsDebuggerPainter({
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required Key debuggerKey,
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required WidgetTester tester,
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}) {
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final CustomPaint customPaint = tester.widgetList(find.descendant(
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of: find.byKey(debuggerKey),
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matching: find.byType(CustomPaint),
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)).first as CustomPaint;
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final dynamic semanticsDebuggerPainter = customPaint.foregroundPainter;
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expect(semanticsDebuggerPainter.runtimeType.toString(), '_SemanticsDebuggerPainter');
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return semanticsDebuggerPainter;
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}
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