flutter_test_helpers 0.0.7 
flutter_test_helpers: ^0.0.7 copied to clipboard
bechattaoui.devMock data generators, test utilities, and widget testing helpers for Flutter applications. A comprehensive testing toolkit that supports all platforms including WASM.
import 'package:flutter/material.dart';
import 'package:flutter_test_helpers/flutter_test_helpers.dart';
void main() {
runApp(const FlutterTestHelpersExampleApp());
}
class FlutterTestHelpersExampleApp extends StatelessWidget {
const FlutterTestHelpersExampleApp({super.key});
@override
Widget build(BuildContext context) => MaterialApp(
title: 'Flutter Test Helpers Example',
theme: ThemeData(primarySwatch: Colors.blue, useMaterial3: true),
home: const ExampleHomePage(),
);
}
class ExampleHomePage extends StatelessWidget {
const ExampleHomePage({super.key});
@override
Widget build(BuildContext context) {
final Color accentColor = MockDataGenerators.randomColor();
return Scaffold(
appBar: AppBar(
title: const Text('Flutter Test Helpers'),
backgroundColor: accentColor,
foregroundColor: accentColor.contrastColor,
),
body: ListView(
padding: const EdgeInsets.all(16.0),
children: [
_buildCategoryCard(
context,
'Mock Data Generators',
'Generate random data for testing',
'🎲',
accentColor,
() => Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const MockDataGeneratorsPage(),
),
),
),
const SizedBox(height: 12),
_buildCategoryCard(
context,
'Color Extensions',
'Color manipulation utilities',
'🎨',
accentColor,
() => Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const ColorExtensionsPage(),
),
),
),
const SizedBox(height: 12),
_buildCategoryCard(
context,
'String Extensions',
'String utility methods',
'📝',
accentColor,
() => Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const StringExtensionsPage(),
),
),
),
const SizedBox(height: 12),
_buildCategoryCard(
context,
'DateTime Extensions',
'Date and time utilities',
'📅',
accentColor,
() => Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const DateTimeExtensionsPage(),
),
),
),
const SizedBox(height: 12),
_buildCategoryCard(
context,
'List Extensions',
'List utility methods',
'📋',
accentColor,
() => Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const ListExtensionsPage(),
),
),
),
const SizedBox(height: 12),
_buildCategoryCard(
context,
'Platform Support',
'Supported platforms',
'💻',
accentColor,
() => Navigator.push(
context,
MaterialPageRoute(
builder: (context) => const PlatformSupportPage(),
),
),
),
],
),
);
}
Widget _buildCategoryCard(
BuildContext context,
String title,
String subtitle,
String emoji,
Color color,
VoidCallback onTap,
) => Card(
elevation: 2,
child: InkWell(
onTap: onTap,
borderRadius: BorderRadius.circular(12),
child: Padding(
padding: const EdgeInsets.all(16.0),
child: Row(
children: [
Container(
width: 56,
height: 56,
decoration: BoxDecoration(
color: color.withValues(alpha: .1),
borderRadius: BorderRadius.circular(12),
),
child: Center(
child: Text(emoji, style: const TextStyle(fontSize: 28)),
),
),
const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
title,
style: Theme.of(context).textTheme.titleLarge?.copyWith(
fontWeight: FontWeight.bold,
),
),
const SizedBox(height: 4),
Text(
subtitle,
style: Theme.of(
context,
).textTheme.bodyMedium?.copyWith(color: Colors.grey[600]),
),
],
),
),
const Text('›', style: TextStyle(fontSize: 24, color: Colors.grey)),
],
),
),
),
);
}
class MockDataGeneratorsPage extends StatefulWidget {
const MockDataGeneratorsPage({super.key});
@override
State<MockDataGeneratorsPage> createState() => _MockDataGeneratorsPageState();
}
class _MockDataGeneratorsPageState extends State<MockDataGeneratorsPage> {
Color _currentColor = Colors.blue;
String _currentString = '';
int _currentInt = 0;
double _currentDouble = 0.0;
bool _currentBool = false;
DateTime _currentDate = DateTime.now();
List<String> _currentStringList = <String>[];
List<int> _currentIntList = <int>[];
List<Color> _currentColorList = <Color>[];
@override
void initState() {
super.initState();
_generateAllData();
}
void _generateAllData() {
setState(() {
_currentColor = MockDataGenerators.randomColor();
_currentString = MockDataGenerators.randomString(15);
_currentInt = MockDataGenerators.randomInt(1, 100);
_currentDouble = MockDataGenerators.randomDouble(0.0, 1.0);
_currentBool = MockDataGenerators.randomBool();
_currentDate = MockDataGenerators.randomDate();
_currentStringList = MockDataGenerators.randomStringList(5);
_currentIntList = MockDataGenerators.randomIntList(5);
_currentColorList = MockDataGenerators.randomColorList(5);
});
}
@override
Widget build(BuildContext context) => Scaffold(
appBar: AppBar(
leading: IconButton(
icon: const Text('←', style: TextStyle(fontSize: 24)),
onPressed: () => Navigator.of(context).pop(),
color: _currentColor.contrastColor,
),
title: const Text('Mock Data Generators'),
backgroundColor: _currentColor,
foregroundColor: _currentColor.contrastColor,
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildDataCard(
'Random Color',
_currentColor.toString(),
_currentColor,
),
_buildDataCard('Random String', _currentString, null),
_buildDataCard('Random Integer', _currentInt.toString(), null),
_buildDataCard(
'Random Double',
_currentDouble.toStringAsFixed(4),
null,
),
_buildDataCard('Random Boolean', _currentBool.toString(), null),
_buildDataCard(
'Random Date',
_currentDate.toString().split(' ')[0],
null,
),
_buildDataCard(
'Random String List',
_currentStringList.join(', '),
null,
),
_buildDataCard('Random Int List', _currentIntList.join(', '), null),
_buildDataCard(
'Random Color List',
_currentColorList.map((c) => c.toHex()).join(', '),
null,
),
const SizedBox(height: 16),
Center(
child: ElevatedButton(
onPressed: _generateAllData,
style: ElevatedButton.styleFrom(
backgroundColor: _currentColor,
foregroundColor: _currentColor.contrastColor,
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 16,
),
),
child: const Text(
'Generate New Data',
style: TextStyle(fontSize: 18),
),
),
),
],
),
),
);
Widget _buildDataCard(String label, String value, Color? color) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Padding(
padding: const EdgeInsets.all(16),
child: Row(
children: [
if (color != null)
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(4),
border: Border.all(color: Colors.grey[300]!),
),
),
if (color != null) const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.w500,
color: Colors.grey[700],
),
),
const SizedBox(height: 4),
Text(
value,
style: Theme.of(
context,
).textTheme.bodyLarge?.copyWith(fontFamily: 'monospace'),
),
],
),
),
],
),
),
);
}
class ColorExtensionsPage extends StatefulWidget {
const ColorExtensionsPage({super.key});
@override
State<ColorExtensionsPage> createState() => _ColorExtensionsPageState();
}
class _ColorExtensionsPageState extends State<ColorExtensionsPage> {
late Color _currentColor;
@override
void initState() {
super.initState();
_currentColor = MockDataGenerators.randomColor();
}
void _generateNewColor() {
setState(() {
_currentColor = MockDataGenerators.randomColor();
});
}
@override
Widget build(BuildContext context) => Scaffold(
appBar: AppBar(
leading: IconButton(
icon: const Text('←', style: TextStyle(fontSize: 24)),
onPressed: () => Navigator.of(context).pop(),
color: _currentColor.contrastColor,
),
title: const Text('Color Extensions'),
backgroundColor: _currentColor,
foregroundColor: _currentColor.contrastColor,
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildDataCard(
'Original Color',
_currentColor.toString(),
_currentColor,
),
_buildDataCard(
'Lightened (0.2)',
_currentColor.lighten(0.2).toString(),
_currentColor.lighten(0.2),
),
_buildDataCard(
'Darkened (0.2)',
_currentColor.darken(0.2).toString(),
_currentColor.darken(0.2),
),
_buildDataCard(
'Saturated (0.2)',
_currentColor.saturate(0.2).toString(),
_currentColor.saturate(0.2),
),
_buildDataCard(
'Desaturated (0.2)',
_currentColor.desaturate(0.2).toString(),
_currentColor.desaturate(0.2),
),
_buildDataCard(
'Contrast Color',
_currentColor.contrastColor.toString(),
_currentColor.contrastColor,
),
_buildDataCard('Hex String', _currentColor.toHex(), null),
const SizedBox(height: 16),
Center(
child: ElevatedButton(
onPressed: _generateNewColor,
style: ElevatedButton.styleFrom(
backgroundColor: _currentColor,
foregroundColor: _currentColor.contrastColor,
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 16,
),
),
child: const Text(
'Generate New Color',
style: TextStyle(fontSize: 18),
),
),
),
],
),
),
);
Widget _buildDataCard(String label, String value, Color? color) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Padding(
padding: const EdgeInsets.all(16),
child: Row(
children: [
if (color != null)
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(4),
border: Border.all(color: Colors.grey[300]!),
),
),
if (color != null) const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.w500,
color: Colors.grey[700],
),
),
const SizedBox(height: 4),
Text(
value,
style: Theme.of(
context,
).textTheme.bodyLarge?.copyWith(fontFamily: 'monospace'),
),
],
),
),
],
),
),
);
}
class StringExtensionsPage extends StatefulWidget {
const StringExtensionsPage({super.key});
@override
State<StringExtensionsPage> createState() => _StringExtensionsPageState();
}
class _StringExtensionsPageState extends State<StringExtensionsPage> {
late String _currentString;
@override
void initState() {
super.initState();
_currentString = MockDataGenerators.randomString(15);
}
void _generateNewString() {
setState(() {
_currentString = MockDataGenerators.randomString(15);
});
}
@override
Widget build(BuildContext context) {
final Color accentColor = MockDataGenerators.randomColor();
return Scaffold(
appBar: AppBar(
leading: IconButton(
icon: const Text('←', style: TextStyle(fontSize: 24)),
onPressed: () => Navigator.of(context).pop(),
color: accentColor.contrastColor,
),
title: const Text('String Extensions'),
backgroundColor: accentColor,
foregroundColor: accentColor.contrastColor,
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildDataCard('Original String', _currentString, null),
_buildDataCard('Capitalized', _currentString.capitalize, null),
_buildDataCard('Title Case', _currentString.titleCase, null),
_buildDataCard('Truncated (10)', _currentString.truncate(10), null),
_buildDataCard(
'Is Email',
'test@example.com'.isEmail.toString(),
null,
),
_buildDataCard(
'Is URL',
'https://example.com'.isUrl.toString(),
null,
),
_buildDataCard(
'Remove Whitespace',
' hello world '.removeWhitespace,
null,
),
_buildDataCard('Reversed', 'hello'.reversed, null),
const SizedBox(height: 16),
Center(
child: ElevatedButton(
onPressed: _generateNewString,
style: ElevatedButton.styleFrom(
backgroundColor: accentColor,
foregroundColor: accentColor.contrastColor,
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 16,
),
),
child: const Text(
'Generate New String',
style: TextStyle(fontSize: 18),
),
),
),
],
),
),
);
}
Widget _buildDataCard(String label, String value, Color? color) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Padding(
padding: const EdgeInsets.all(16),
child: Row(
children: [
if (color != null)
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(4),
border: Border.all(color: Colors.grey[300]!),
),
),
if (color != null) const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.w500,
color: Colors.grey[700],
),
),
const SizedBox(height: 4),
Text(
value,
style: Theme.of(
context,
).textTheme.bodyLarge?.copyWith(fontFamily: 'monospace'),
),
],
),
),
],
),
),
);
}
class DateTimeExtensionsPage extends StatefulWidget {
const DateTimeExtensionsPage({super.key});
@override
State<DateTimeExtensionsPage> createState() => _DateTimeExtensionsPageState();
}
class _DateTimeExtensionsPageState extends State<DateTimeExtensionsPage> {
late DateTime _currentDate;
@override
void initState() {
super.initState();
_currentDate = MockDataGenerators.randomDate();
}
void _generateNewDate() {
setState(() {
_currentDate = MockDataGenerators.randomDate();
});
}
@override
Widget build(BuildContext context) {
final Color accentColor = MockDataGenerators.randomColor();
return Scaffold(
appBar: AppBar(
leading: IconButton(
icon: const Text('←', style: TextStyle(fontSize: 24)),
onPressed: () => Navigator.of(context).pop(),
color: accentColor.contrastColor,
),
title: const Text('DateTime Extensions'),
backgroundColor: accentColor,
foregroundColor: accentColor.contrastColor,
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildDataCard(
'Current Date',
_currentDate.toString().split(' ')[0],
null,
),
_buildDataCard('Is Today', _currentDate.isToday.toString(), null),
_buildDataCard(
'Start of Day',
_currentDate.startOfDay.toString().split(' ')[1],
null,
),
_buildDataCard(
'End of Day',
_currentDate.endOfDay.toString().split(' ')[1],
null,
),
_buildDataCard(
'Start of Week',
_currentDate.startOfWeek.toString().split(' ')[0],
null,
),
_buildDataCard(
'End of Week',
_currentDate.endOfWeek.toString().split(' ')[0],
null,
),
_buildDataCard(
'Start of Month',
_currentDate.startOfMonth.toString().split(' ')[0],
null,
),
_buildDataCard(
'End of Month',
_currentDate.endOfMonth.toString().split(' ')[0],
null,
),
_buildDataCard(
'Start of Year',
_currentDate.startOfYear.toString().split(' ')[0],
null,
),
_buildDataCard(
'End of Year',
_currentDate.endOfYear.toString().split(' ')[0],
null,
),
_buildDataCard('Relative Time', _currentDate.relativeTime, null),
const SizedBox(height: 16),
Center(
child: ElevatedButton(
onPressed: _generateNewDate,
style: ElevatedButton.styleFrom(
backgroundColor: accentColor,
foregroundColor: accentColor.contrastColor,
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 16,
),
),
child: const Text(
'Generate New Date',
style: TextStyle(fontSize: 18),
),
),
),
],
),
),
);
}
Widget _buildDataCard(String label, String value, Color? color) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Padding(
padding: const EdgeInsets.all(16),
child: Row(
children: [
if (color != null)
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(4),
border: Border.all(color: Colors.grey[300]!),
),
),
if (color != null) const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.w500,
color: Colors.grey[700],
),
),
const SizedBox(height: 4),
Text(
value,
style: Theme.of(
context,
).textTheme.bodyLarge?.copyWith(fontFamily: 'monospace'),
),
],
),
),
],
),
),
);
}
class ListExtensionsPage extends StatefulWidget {
const ListExtensionsPage({super.key});
@override
State<ListExtensionsPage> createState() => _ListExtensionsPageState();
}
class _ListExtensionsPageState extends State<ListExtensionsPage> {
late List<int> _currentIntList;
@override
void initState() {
super.initState();
_currentIntList = MockDataGenerators.randomIntList(5);
}
void _generateNewList() {
setState(() {
_currentIntList = MockDataGenerators.randomIntList(5);
});
}
@override
Widget build(BuildContext context) {
final Color accentColor = MockDataGenerators.randomColor();
return Scaffold(
appBar: AppBar(
leading: IconButton(
icon: const Text('←', style: TextStyle(fontSize: 24)),
onPressed: () => Navigator.of(context).pop(),
color: accentColor.contrastColor,
),
title: const Text('List Extensions'),
backgroundColor: accentColor,
foregroundColor: accentColor.contrastColor,
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildDataCard('Original List', _currentIntList.join(', '), null),
_buildDataCard(
'Random Element',
_currentIntList.random?.toString() ?? 'null',
null,
),
_buildDataCard(
'Shuffled',
_currentIntList.shuffled.join(', '),
null,
),
_buildDataCard(
'First or Null',
_currentIntList.firstOrNull?.toString() ?? 'null',
null,
),
_buildDataCard(
'Last or Null',
_currentIntList.lastOrNull?.toString() ?? 'null',
null,
),
_buildDataCard(
'Even Indices',
_currentIntList.evenIndices.join(', '),
null,
),
_buildDataCard(
'Odd Indices',
_currentIntList.oddIndices.join(', '),
null,
),
const SizedBox(height: 16),
Center(
child: ElevatedButton(
onPressed: _generateNewList,
style: ElevatedButton.styleFrom(
backgroundColor: accentColor,
foregroundColor: accentColor.contrastColor,
padding: const EdgeInsets.symmetric(
horizontal: 32,
vertical: 16,
),
),
child: const Text(
'Generate New List',
style: TextStyle(fontSize: 18),
),
),
),
],
),
),
);
}
Widget _buildDataCard(String label, String value, Color? color) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Padding(
padding: const EdgeInsets.all(16),
child: Row(
children: [
if (color != null)
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(4),
border: Border.all(color: Colors.grey[300]!),
),
),
if (color != null) const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: Theme.of(context).textTheme.bodyMedium?.copyWith(
fontWeight: FontWeight.w500,
color: Colors.grey[700],
),
),
const SizedBox(height: 4),
Text(
value,
style: Theme.of(
context,
).textTheme.bodyLarge?.copyWith(fontFamily: 'monospace'),
),
],
),
),
],
),
),
);
}
class PlatformSupportPage extends StatelessWidget {
const PlatformSupportPage({super.key});
@override
Widget build(BuildContext context) {
final Color accentColor = MockDataGenerators.randomColor();
return Scaffold(
appBar: AppBar(
leading: IconButton(
icon: const Text('←', style: TextStyle(fontSize: 24)),
onPressed: () => Navigator.of(context).pop(),
color: accentColor.contrastColor,
),
title: const Text('Platform Support'),
backgroundColor: accentColor,
foregroundColor: accentColor.contrastColor,
),
body: SingleChildScrollView(
padding: const EdgeInsets.all(16.0),
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
_buildDataCard('iOS', '✅ Supported', null),
_buildDataCard('Android', '✅ Supported', null),
_buildDataCard('Web', '✅ Supported', null),
_buildDataCard('Windows', '✅ Supported', null),
_buildDataCard('macOS', '✅ Supported', null),
_buildDataCard('Linux', '✅ Supported', null),
_buildDataCard('WASM', '✅ Compatible', null),
const SizedBox(height: 24),
Center(
child: Text(
'This package demonstrates cross-platform '
'compatibility\nand WASM support of flutter_test_helpers',
textAlign: TextAlign.center,
style: Theme.of(
context,
).textTheme.bodyLarge?.copyWith(color: Colors.grey[600]),
),
),
],
),
),
);
}
Widget _buildDataCard(String label, String value, Color? color) => Card(
margin: const EdgeInsets.only(bottom: 8),
child: Padding(
padding: const EdgeInsets.all(16),
child: Row(
children: [
if (color != null)
Container(
width: 24,
height: 24,
decoration: BoxDecoration(
color: color,
borderRadius: BorderRadius.circular(4),
border: Border.all(color: Colors.grey[300]!),
),
),
if (color != null) const SizedBox(width: 16),
Expanded(
child: Column(
crossAxisAlignment: CrossAxisAlignment.start,
children: [
Text(
label,
style: const TextStyle(
fontWeight: FontWeight.w500,
color: Colors.grey,
),
),
const SizedBox(height: 4),
Text(
value,
style: const TextStyle(fontFamily: 'monospace', fontSize: 16),
),
],
),
),
],
),
),
);
}Metadata
1
likes
160
points
129
downloads
Publisher
Weekly Downloads
Metadata
Mock data generators, test utilities, and widget testing helpers for Flutter applications. A comprehensive testing toolkit that supports all platforms including WASM.
Repository (GitHub)
View/report issues
Topics
#testing #mock-data #test-utilities #widget-testing #flutter
Documentation
License
MIT (license)
