1198 lines
35 KiB
Dart
1198 lines
35 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/foundation.dart';
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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('Stepper tap callback test', (WidgetTester tester) async {
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int index = 0;
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await tester.pumpWidget(
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MaterialApp(
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home: Material(
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child: Stepper(
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onStepTapped: (int i) {
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index = i;
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},
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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),
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),
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Step(
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title: Text('Step 2'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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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('Step 2'));
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expect(index, 1);
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});
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testWidgets('Stepper expansion test', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Center(
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child: Material(
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child: Stepper(
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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),
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),
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Step(
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title: Text('Step 2'),
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content: SizedBox(
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width: 200.0,
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height: 200.0,
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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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RenderBox box = tester.renderObject(find.byType(Stepper));
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expect(box.size.height, 332.0);
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await tester.pumpWidget(
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MaterialApp(
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home: Center(
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child: Material(
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child: Stepper(
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currentStep: 1,
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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),
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),
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Step(
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title: Text('Step 2'),
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content: SizedBox(
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width: 200.0,
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height: 200.0,
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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.pump(const Duration(milliseconds: 100));
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box = tester.renderObject(find.byType(Stepper));
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expect(box.size.height, greaterThan(332.0));
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await tester.pump(const Duration(milliseconds: 100));
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box = tester.renderObject(find.byType(Stepper));
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expect(box.size.height, 432.0);
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});
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testWidgets('Stepper horizontal size test', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Center(
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child: Material(
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child: Stepper(
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type: StepperType.horizontal,
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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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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final RenderBox box = tester.renderObject(find.byType(Stepper));
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expect(box.size.height, 600.0);
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});
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testWidgets('Stepper visibility test', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Material(
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child: Stepper(
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type: StepperType.horizontal,
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: Text('A'),
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),
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Step(
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title: Text('Step 2'),
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content: Text('B'),
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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(find.text('A'), findsOneWidget);
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expect(find.text('B'), findsNothing);
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await tester.pumpWidget(
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MaterialApp(
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home: Material(
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child: Stepper(
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currentStep: 1,
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type: StepperType.horizontal,
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: Text('A'),
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),
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Step(
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title: Text('Step 2'),
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content: Text('B'),
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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(find.text('A'), findsNothing);
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expect(find.text('B'), findsOneWidget);
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});
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testWidgets('Stepper button test', (WidgetTester tester) async {
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bool continuePressed = false;
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bool cancelPressed = false;
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await tester.pumpWidget(
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MaterialApp(
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home: Material(
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child: Stepper(
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type: StepperType.horizontal,
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onStepContinue: () {
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continuePressed = true;
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},
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onStepCancel: () {
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cancelPressed = true;
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},
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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),
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),
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Step(
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title: Text('Step 2'),
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content: SizedBox(
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width: 200.0,
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height: 200.0,
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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('CONTINUE'));
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await tester.tap(find.text('CANCEL'));
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expect(continuePressed, isTrue);
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expect(cancelPressed, isTrue);
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});
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testWidgets('Stepper disabled step test', (WidgetTester tester) async {
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int index = 0;
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await tester.pumpWidget(
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MaterialApp(
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home: Material(
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child: Stepper(
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onStepTapped: (int i) {
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index = i;
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},
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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),
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),
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Step(
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title: Text('Step 2'),
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state: StepState.disabled,
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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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('Step 2'));
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expect(index, 0);
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});
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testWidgets('Stepper scroll test', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Material(
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child: Stepper(
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: SizedBox(
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width: 100.0,
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height: 300.0,
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),
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),
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Step(
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title: Text('Step 2'),
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content: SizedBox(
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width: 100.0,
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height: 300.0,
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),
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),
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Step(
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title: Text('Step 3'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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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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final ScrollableState scrollableState = tester.firstState(find.byType(Scrollable));
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expect(scrollableState.position.pixels, 0.0);
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await tester.tap(find.text('Step 3'));
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await tester.pumpWidget(
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MaterialApp(
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home: Material(
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child: Stepper(
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currentStep: 2,
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steps: const <Step>[
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Step(
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title: Text('Step 1'),
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content: SizedBox(
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width: 100.0,
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height: 300.0,
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),
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),
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Step(
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title: Text('Step 2'),
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content: SizedBox(
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width: 100.0,
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height: 300.0,
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),
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),
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Step(
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title: Text('Step 3'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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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.pump(const Duration(milliseconds: 100));
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expect(scrollableState.position.pixels, greaterThan(0.0));
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});
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testWidgets('Stepper index test', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Center(
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child: Material(
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child: Stepper(
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steps: const <Step>[
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Step(
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title: Text('A'),
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state: StepState.complete,
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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),
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),
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Step(
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title: Text('B'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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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(find.text('1'), findsNothing);
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expect(find.text('2'), findsOneWidget);
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});
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testWidgets('Stepper custom controls test', (WidgetTester tester) async {
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bool continuePressed = false;
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void setContinue() {
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continuePressed = true;
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}
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bool canceledPressed = false;
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void setCanceled() {
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canceledPressed = true;
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}
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Widget builder(BuildContext context, ControlsDetails details) {
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return Container(
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margin: const EdgeInsets.only(top: 16.0),
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child: ConstrainedBox(
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constraints: const BoxConstraints.tightFor(height: 48.0),
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child: Row(
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children: <Widget>[
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TextButton(
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onPressed: details.onStepContinue,
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child: const Text('Let us continue!'),
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),
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Container(
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margin: const EdgeInsetsDirectional.only(start: 8.0),
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child: TextButton(
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onPressed: details.onStepCancel,
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child: const Text('Cancel This!'),
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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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MaterialApp(
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home: Center(
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child: Material(
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child: Stepper(
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controlsBuilder: builder,
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onStepCancel: setCanceled,
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onStepContinue: setContinue,
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steps: const <Step>[
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Step(
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title: Text('A'),
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state: StepState.complete,
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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),
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),
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Step(
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title: Text('B'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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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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// 2 because stepper creates a set of controls for each step
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expect(find.text('Let us continue!'), findsNWidgets(2));
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expect(find.text('Cancel This!'), findsNWidgets(2));
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await tester.tap(find.text('Cancel This!').first);
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await tester.pumpAndSettle();
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await tester.tap(find.text('Let us continue!').first);
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await tester.pumpAndSettle();
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expect(canceledPressed, isTrue);
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expect(continuePressed, isTrue);
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});
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testWidgets('Stepper custom indexed controls test', (WidgetTester tester) async {
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int currentStep = 0;
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void setContinue() {
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currentStep += 1;
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}
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void setCanceled() {
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currentStep -= 1;
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}
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Widget builder(BuildContext context, ControlsDetails details) {
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// For the purposes of testing, only render something for the active
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// step.
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if (!details.isActive)
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return Container();
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return Container(
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margin: const EdgeInsets.only(top: 16.0),
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child: ConstrainedBox(
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constraints: const BoxConstraints.tightFor(height: 48.0),
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child: Row(
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children: <Widget>[
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TextButton(
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onPressed: details.onStepContinue,
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child: Text('Continue to ${details.stepIndex + 1}'),
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),
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Container(
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margin: const EdgeInsetsDirectional.only(start: 8.0),
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child: TextButton(
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onPressed: details.onStepCancel,
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child: Text('Return to ${details.stepIndex - 1}'),
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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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MaterialApp(
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home: Center(
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child: Material(
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child: StatefulBuilder(
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builder: (BuildContext context, StateSetter setState) {
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return Stepper(
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currentStep: currentStep,
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controlsBuilder: builder,
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onStepCancel: () => setState(setCanceled),
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onStepContinue: () => setState(setContinue),
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steps: const <Step>[
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Step(
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title: Text('A'),
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state: StepState.complete,
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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),
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),
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Step(
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title: Text('C'),
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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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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);
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// Never mind that there is no Step -1 or Step 2 -- actual build method
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// implementations would make those checks.
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expect(find.text('Return to -1'), findsNWidgets(1));
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expect(find.text('Continue to 1'), findsNWidgets(1));
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expect(find.text('Return to 0'), findsNWidgets(0));
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expect(find.text('Continue to 2'), findsNWidgets(0));
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await tester.tap(find.text('Continue to 1').first);
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await tester.pumpAndSettle();
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// Never mind that there is no Step -1 or Step 2 -- actual build method
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// implementations would make those checks.
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expect(find.text('Return to -1'), findsNWidgets(0));
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expect(find.text('Continue to 1'), findsNWidgets(0));
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expect(find.text('Return to 0'), findsNWidgets(1));
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expect(find.text('Continue to 2'), findsNWidgets(1));
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});
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testWidgets('Stepper error test', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Center(
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child: Material(
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child: Stepper(
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steps: const <Step>[
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Step(
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title: Text('A'),
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state: StepState.error,
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content: SizedBox(
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width: 100.0,
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height: 100.0,
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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(find.text('!'), findsOneWidget);
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});
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testWidgets('Nested stepper error test', (WidgetTester tester) async {
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late FlutterErrorDetails errorDetails;
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final FlutterExceptionHandler? oldHandler = FlutterError.onError;
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FlutterError.onError = (FlutterErrorDetails details) {
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errorDetails = details;
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};
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try {
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await tester.pumpWidget(
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MaterialApp(
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home: Material(
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child: Stepper(
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type: StepperType.horizontal,
|
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steps: <Step>[
|
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Step(
|
|
title: const Text('Step 2'),
|
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content: Stepper(
|
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type: StepperType.vertical,
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steps: const <Step>[
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Step(
|
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title: Text('Nested step 1'),
|
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content: Text('A'),
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),
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Step(
|
|
title: Text('Nested step 2'),
|
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content: Text('A'),
|
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),
|
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],
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),
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),
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const Step(
|
|
title: Text('Step 1'),
|
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content: Text('A'),
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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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} finally {
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FlutterError.onError = oldHandler;
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}
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expect(errorDetails.stack, isNotNull);
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// Check the ErrorDetails without the stack trace
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|
final String fullErrorMessage = errorDetails.toString();
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final List<String> lines = fullErrorMessage.split('\n');
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// The lines in the middle of the error message contain the stack trace
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// which will change depending on where the test is run.
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final String errorMessage = lines.takeWhile(
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(String line) => line != '',
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|
).join('\n');
|
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expect(errorMessage.length, lessThan(fullErrorMessage.length));
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|
expect(errorMessage, startsWith(
|
|
'══╡ EXCEPTION CAUGHT BY WIDGETS LIBRARY ╞════════════════════════\n'
|
|
'The following assertion was thrown building Stepper(',
|
|
));
|
|
// The description string of the stepper looks slightly different depending
|
|
// on the platform and is omitted here.
|
|
expect(errorMessage, endsWith(
|
|
'):\n'
|
|
'Steppers must not be nested.\n'
|
|
'The material specification advises that one should avoid\n'
|
|
'embedding steppers within steppers.\n'
|
|
'https://material.io/archive/guidelines/components/steppers.html#steppers-usage',
|
|
));
|
|
});
|
|
|
|
///https://github.com/flutter/flutter/issues/16920
|
|
testWidgets('Stepper icons size test', (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: Stepper(
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('A'),
|
|
state: StepState.editing,
|
|
content: SizedBox(width: 100.0, height: 100.0),
|
|
),
|
|
Step(
|
|
title: Text('B'),
|
|
state: StepState.complete,
|
|
content: SizedBox(width: 100.0, height: 100.0),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
RenderBox renderObject = tester.renderObject(find.byIcon(Icons.edit));
|
|
expect(renderObject.size, equals(const Size.square(18.0)));
|
|
|
|
renderObject = tester.renderObject(find.byIcon(Icons.check));
|
|
expect(renderObject.size, equals(const Size.square(18.0)));
|
|
});
|
|
|
|
testWidgets('Stepper physics scroll error test', (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: ListView(
|
|
children: <Widget>[
|
|
Stepper(
|
|
steps: const <Step>[
|
|
Step(title: Text('Step 1'), content: Text('Text 1')),
|
|
Step(title: Text('Step 2'), content: Text('Text 2')),
|
|
Step(title: Text('Step 3'), content: Text('Text 3')),
|
|
Step(title: Text('Step 4'), content: Text('Text 4')),
|
|
Step(title: Text('Step 5'), content: Text('Text 5')),
|
|
Step(title: Text('Step 6'), content: Text('Text 6')),
|
|
Step(title: Text('Step 7'), content: Text('Text 7')),
|
|
Step(title: Text('Step 8'), content: Text('Text 8')),
|
|
Step(title: Text('Step 9'), content: Text('Text 9')),
|
|
Step(title: Text('Step 10'), content: Text('Text 10')),
|
|
],
|
|
),
|
|
const Text('Text After Stepper'),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
await tester.fling(find.byType(Stepper), const Offset(0.0, -100.0), 1000.0);
|
|
await tester.pumpAndSettle();
|
|
|
|
expect(find.text('Text After Stepper'), findsNothing);
|
|
});
|
|
|
|
testWidgets("Vertical Stepper can't be focused when disabled.", (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: Stepper(
|
|
currentStep: 0,
|
|
type: StepperType.vertical,
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('Step 0'),
|
|
state: StepState.disabled,
|
|
content: Text('Text 0'),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
await tester.pump();
|
|
|
|
final FocusNode disabledNode = Focus.of(tester.element(find.text('Step 0')), scopeOk: true);
|
|
disabledNode.requestFocus();
|
|
await tester.pump();
|
|
expect(disabledNode.hasPrimaryFocus, isFalse);
|
|
});
|
|
|
|
testWidgets("Horizontal Stepper can't be focused when disabled.", (WidgetTester tester) async {
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: Stepper(
|
|
currentStep: 0,
|
|
type: StepperType.horizontal,
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('Step 0'),
|
|
state: StepState.disabled,
|
|
content: Text('Text 0'),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
await tester.pump();
|
|
|
|
final FocusNode disabledNode = Focus.of(tester.element(find.text('Step 0')), scopeOk: true);
|
|
disabledNode.requestFocus();
|
|
await tester.pump();
|
|
expect(disabledNode.hasPrimaryFocus, isFalse);
|
|
});
|
|
|
|
testWidgets('Stepper header title should not overflow', (WidgetTester tester) async {
|
|
const String longText =
|
|
'A long long long long long long long long long long long long text';
|
|
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: ListView(
|
|
children: <Widget>[
|
|
Stepper(
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text(longText),
|
|
content: Text('Text content'),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
expect(tester.takeException(), isNull);
|
|
});
|
|
|
|
testWidgets('Stepper header subtitle should not overflow', (WidgetTester tester) async {
|
|
const String longText =
|
|
'A long long long long long long long long long long long long text';
|
|
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: ListView(
|
|
children: <Widget>[
|
|
Stepper(
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('Regular title'),
|
|
subtitle: Text(longText),
|
|
content: Text('Text content'),
|
|
),
|
|
],
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
expect(tester.takeException(), isNull);
|
|
});
|
|
|
|
testWidgets('Stepper enabled button styles', (WidgetTester tester) async {
|
|
Widget buildFrame(ThemeData theme) {
|
|
return MaterialApp(
|
|
theme: theme,
|
|
home: Material(
|
|
child: Stepper(
|
|
type: StepperType.horizontal,
|
|
onStepCancel: () { },
|
|
onStepContinue: () { },
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('step1'),
|
|
content: SizedBox(width: 100, height: 100),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Material buttonMaterial(String label) {
|
|
return tester.widget<Material>(
|
|
find.descendant(of: find.widgetWithText(TextButton, label), matching: find.byType(Material)),
|
|
);
|
|
}
|
|
|
|
// The checks that follow verify that the layout and appearance of
|
|
// the default enabled Stepper buttons have not changed even
|
|
// though the FlatButtons have been replaced by TextButtons.
|
|
|
|
const OutlinedBorder buttonShape = RoundedRectangleBorder(borderRadius: BorderRadius.all(Radius.circular(2)));
|
|
const Rect continueButtonRect = Rect.fromLTRB(24.0, 212.0, 168.0, 260.0);
|
|
const Rect cancelButtonRect = Rect.fromLTRB(176.0, 212.0, 292.0, 260.0);
|
|
|
|
await tester.pumpWidget(buildFrame(ThemeData.light()));
|
|
|
|
expect(buttonMaterial('CONTINUE').color!.value, 0xff2196f3);
|
|
expect(buttonMaterial('CONTINUE').textStyle!.color!.value, 0xffffffff);
|
|
expect(buttonMaterial('CONTINUE').shape, buttonShape);
|
|
expect(tester.getRect(find.widgetWithText(TextButton, 'CONTINUE')), continueButtonRect);
|
|
|
|
expect(buttonMaterial('CANCEL').color!.value, 0);
|
|
expect(buttonMaterial('CANCEL').textStyle!.color!.value, 0x8a000000);
|
|
expect(buttonMaterial('CANCEL').shape, buttonShape);
|
|
expect(tester.getRect(find.widgetWithText(TextButton, 'CANCEL')), cancelButtonRect);
|
|
|
|
await tester.pumpWidget(buildFrame(ThemeData.dark()));
|
|
await tester.pumpAndSettle(); // Complete the theme animation.
|
|
|
|
expect(buttonMaterial('CONTINUE').color!.value, 0);
|
|
expect(buttonMaterial('CONTINUE').textStyle!.color!.value, 0xffffffff);
|
|
expect(buttonMaterial('CONTINUE').shape, buttonShape);
|
|
expect(tester.getRect(find.widgetWithText(TextButton, 'CONTINUE')), continueButtonRect);
|
|
|
|
expect(buttonMaterial('CANCEL').color!.value, 0);
|
|
expect(buttonMaterial('CANCEL').textStyle!.color!.value, 0xb3ffffff);
|
|
expect(buttonMaterial('CANCEL').shape, buttonShape);
|
|
expect(tester.getRect(find.widgetWithText(TextButton, 'CANCEL')), cancelButtonRect);
|
|
});
|
|
|
|
testWidgets('Stepper disabled button styles', (WidgetTester tester) async {
|
|
Widget buildFrame(ThemeData theme) {
|
|
return MaterialApp(
|
|
theme: theme,
|
|
home: Material(
|
|
child: Stepper(
|
|
type: StepperType.horizontal,
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('step1'),
|
|
content: SizedBox(width: 100, height: 100),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Material buttonMaterial(String label) {
|
|
return tester.widget<Material>(
|
|
find.descendant(of: find.widgetWithText(TextButton, label), matching: find.byType(Material)),
|
|
);
|
|
}
|
|
|
|
// The checks that follow verify that the appearance of the
|
|
// default disabled Stepper buttons have not changed even though
|
|
// the FlatButtons have been replaced by TextButtons.
|
|
|
|
await tester.pumpWidget(buildFrame(ThemeData.light()));
|
|
|
|
expect(buttonMaterial('CONTINUE').color!.value, 0);
|
|
expect(buttonMaterial('CONTINUE').textStyle!.color!.value, 0x61000000);
|
|
|
|
expect(buttonMaterial('CANCEL').color!.value, 0);
|
|
expect(buttonMaterial('CANCEL').textStyle!.color!.value, 0x61000000);
|
|
|
|
await tester.pumpWidget(buildFrame(ThemeData.dark()));
|
|
await tester.pumpAndSettle(); // Complete the theme animation.
|
|
|
|
expect(buttonMaterial('CONTINUE').color!.value, 0);
|
|
expect(buttonMaterial('CONTINUE').textStyle!.color!.value, 0x61ffffff);
|
|
|
|
expect(buttonMaterial('CANCEL').color!.value, 0);
|
|
expect(buttonMaterial('CANCEL').textStyle!.color!.value, 0x61ffffff);
|
|
});
|
|
|
|
testWidgets('Vertical and Horizontal Stepper physics test', (WidgetTester tester) async {
|
|
const ScrollPhysics physics = NeverScrollableScrollPhysics();
|
|
|
|
for(final StepperType type in StepperType.values) {
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: Stepper(
|
|
physics: physics,
|
|
type: type,
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('Step 1'),
|
|
content: SizedBox(
|
|
width: 100.0,
|
|
height: 100.0,
|
|
),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
final ListView listView = tester.widget<ListView>(find.descendant(of: find.byType(Stepper), matching: find.byType(ListView)));
|
|
expect(listView.physics, physics);
|
|
}
|
|
});
|
|
|
|
testWidgets('Stepper horizontal size test', (WidgetTester tester) async {
|
|
// Regression test for https://github.com/flutter/flutter/pull/77732
|
|
Widget buildFrame({ bool isActive = true, Brightness? brightness }) {
|
|
return MaterialApp(
|
|
theme: brightness == Brightness.dark ? ThemeData.dark() : ThemeData.light(),
|
|
home: Scaffold(
|
|
body: Center(
|
|
child: Stepper(
|
|
type: StepperType.horizontal,
|
|
steps: <Step>[
|
|
Step(
|
|
title: const Text('step'),
|
|
content: const Text('content'),
|
|
isActive: isActive,
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
Color? circleFillColor() {
|
|
final Finder container = find.widgetWithText(AnimatedContainer, '1');
|
|
return (tester.widget<AnimatedContainer>(container).decoration as BoxDecoration?)?.color;
|
|
}
|
|
|
|
// Light theme
|
|
final ColorScheme light = ThemeData.light().colorScheme;
|
|
await tester.pumpWidget(buildFrame(isActive: true, brightness: Brightness.light));
|
|
expect(circleFillColor(), light.primary);
|
|
await tester.pumpWidget(buildFrame(isActive: false, brightness: Brightness.light));
|
|
await tester.pumpAndSettle();
|
|
expect(circleFillColor(), light.onSurface.withOpacity(0.38));
|
|
|
|
// Dark theme
|
|
final ColorScheme dark = ThemeData.dark().colorScheme;
|
|
await tester.pumpWidget(buildFrame(isActive: true, brightness: Brightness.dark));
|
|
await tester.pumpAndSettle();
|
|
expect(circleFillColor(), dark.secondary);
|
|
await tester.pumpWidget(buildFrame(isActive: false, brightness: Brightness.dark));
|
|
await tester.pumpAndSettle();
|
|
expect(circleFillColor(), dark.background);
|
|
});
|
|
|
|
testWidgets('Stepper custom elevation', (WidgetTester tester) async {
|
|
const double elevation = 4.0;
|
|
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: SizedBox(
|
|
width: 200,
|
|
height: 75,
|
|
child: Stepper(
|
|
type: StepperType.horizontal,
|
|
elevation: elevation,
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('Regular title'),
|
|
content: Text('Text content'),
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
final Material material = tester.firstWidget<Material>(
|
|
find.descendant(
|
|
of: find.byType(Stepper),
|
|
matching: find.byType(Material),
|
|
),
|
|
);
|
|
|
|
expect(material.elevation, elevation);
|
|
});
|
|
|
|
testWidgets('Stepper with default elevation', (WidgetTester tester) async {
|
|
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: SizedBox(
|
|
width: 200,
|
|
height: 75,
|
|
child: Stepper(
|
|
type: StepperType.horizontal,
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('Regular title'),
|
|
content: Text('Text content')
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
final Material material = tester.firstWidget<Material>(
|
|
find.descendant(
|
|
of: find.byType(Stepper),
|
|
matching: find.byType(Material),
|
|
),
|
|
);
|
|
|
|
expect(material.elevation, 2.0);
|
|
});
|
|
|
|
testWidgets('Stepper horizontal preserves state', (WidgetTester tester) async {
|
|
const Color untappedColor = Colors.blue;
|
|
const Color tappedColor = Colors.red;
|
|
int index = 0;
|
|
|
|
Widget buildFrame() {
|
|
return MaterialApp(
|
|
home: Scaffold(
|
|
body: Center(
|
|
// Must break this out into its own widget purely to be able to call `setState()`
|
|
child: StatefulBuilder(
|
|
builder: (BuildContext context, StateSetter setState) {
|
|
return Stepper(
|
|
onStepTapped: (int i) => setState(() => index = i),
|
|
currentStep: index,
|
|
type: StepperType.horizontal,
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('Step 1'),
|
|
content: _TappableColorWidget(
|
|
key: Key('tappable-color'),
|
|
tappedColor: tappedColor,
|
|
untappedColor: untappedColor,
|
|
),
|
|
),
|
|
Step(
|
|
title: Text('Step 2'),
|
|
content: Text('Step 2 Content'),
|
|
),
|
|
],
|
|
);
|
|
},
|
|
),
|
|
),
|
|
),
|
|
);
|
|
}
|
|
|
|
final Widget widget = buildFrame();
|
|
await tester.pumpWidget(widget);
|
|
|
|
// Set up a getter to examine the MacGuffin's color
|
|
Color getColor() => tester.widget<ColoredBox>(
|
|
find.descendant(of: find.byKey(const Key('tappable-color')), matching: find.byType(ColoredBox)),
|
|
).color;
|
|
|
|
// We are on step 1
|
|
expect(find.text('Step 2 Content'), findsNothing);
|
|
expect(getColor(), untappedColor);
|
|
|
|
await tester.tap(find.byKey(const Key('tap-me')));
|
|
await tester.pumpAndSettle();
|
|
expect(getColor(), tappedColor);
|
|
|
|
// Now flip to step 2
|
|
await tester.tap(find.text('Step 2'));
|
|
await tester.pumpAndSettle();
|
|
|
|
// Confirm that we did in fact flip to step 2
|
|
expect(find.text('Step 2 Content'), findsOneWidget);
|
|
|
|
// Now go back to step 1
|
|
await tester.tap(find.text('Step 1'));
|
|
await tester.pumpAndSettle();
|
|
|
|
// Confirm that we flipped back to step 1
|
|
expect(find.text('Step 2 Content'), findsNothing);
|
|
|
|
// The color should still be `tappedColor`
|
|
expect(getColor(), tappedColor);
|
|
});
|
|
testWidgets('Stepper custom margin', (WidgetTester tester) async {
|
|
|
|
const EdgeInsetsGeometry margin = EdgeInsetsDirectional.only(
|
|
bottom: 20,
|
|
top: 20,
|
|
);
|
|
|
|
await tester.pumpWidget(
|
|
MaterialApp(
|
|
home: Material(
|
|
child: SizedBox(
|
|
width: 200,
|
|
height: 75,
|
|
child: Stepper(
|
|
margin: margin,
|
|
type: StepperType.vertical,
|
|
steps: const <Step>[
|
|
Step(
|
|
title: Text('Regular title'),
|
|
content: Text('Text content')
|
|
),
|
|
],
|
|
),
|
|
),
|
|
),
|
|
),
|
|
);
|
|
|
|
final Stepper material = tester.firstWidget<Stepper>(
|
|
find.descendant(
|
|
of: find.byType(Material),
|
|
matching: find.byType(Stepper),
|
|
),
|
|
);
|
|
|
|
expect(material.margin, equals(margin));
|
|
});
|
|
}
|
|
|
|
class _TappableColorWidget extends StatefulWidget {
|
|
const _TappableColorWidget({required this.tappedColor, required this.untappedColor, Key? key,}) : super(key: key);
|
|
|
|
final Color tappedColor;
|
|
final Color untappedColor;
|
|
|
|
@override
|
|
State<StatefulWidget> createState() => _TappableColorWidgetState();
|
|
}
|
|
|
|
class _TappableColorWidgetState extends State<_TappableColorWidget> {
|
|
|
|
Color? color;
|
|
|
|
@override
|
|
void initState() {
|
|
super.initState();
|
|
color = widget.untappedColor;
|
|
}
|
|
|
|
@override
|
|
Widget build(BuildContext context) {
|
|
return GestureDetector(
|
|
onTap: () {
|
|
setState((){
|
|
color = widget.tappedColor;
|
|
});
|
|
},
|
|
child: Container(
|
|
key: const Key('tap-me'),
|
|
height: 50,
|
|
width: 50,
|
|
color: color,
|
|
),
|
|
);
|
|
}
|
|
}
|