flutter_test_helpers 0.0.3

flutter_test_helpers: ^0.0.3 copied to clipboard

example/main.dart

import 'package:flutter/material.dart';
import 'package:flutter_test_helpers/flutter_test_helpers.dart';

void main() {
  runApp(const MyApp());
}

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Test Helpers Example',
      theme: ThemeData(
        primarySwatch: Colors.blue,
        useMaterial3: true,
      ),
      home: const MyHomePage(title: 'Flutter Test Helpers Demo'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({required this.title, super.key});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  Color _randomColor = Colors.blue;
  String _randomString = '';
  DateTime _randomDate = DateTime.now();
  List<String> _randomStrings = <String>[];
  List<Color> _randomColors = <Color>[];

  void _generateRandomData() {
    setState(() {
      _randomColor = MockDataGenerators.randomColor();
      _randomString = MockDataGenerators.randomString(15);
      _randomDate = MockDataGenerators.randomDate();
      _randomStrings = MockDataGenerators.randomStringList(5);
      _randomColors = MockDataGenerators.randomColorList(5);
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        backgroundColor: Theme.of(context).colorScheme.inversePrimary,
        title: Text(widget.title),
      ),
      body: SingleChildScrollView(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            // Mock Data Generators Section
            _buildSection(
              'Mock Data Generators',
              'Generate random test data for your Flutter tests',
              [
                _buildDataCard(
                    'Random Color', _randomColor.toString(), _randomColor),
                _buildDataCard('Random String', _randomString, null),
                _buildDataCard('Random Date', _randomDate.toString(), null),
                _buildDataCard(
                    'Random String List', _randomStrings.join(', '), null),
                _buildDataCard('Random Color List',
                    '${_randomColors.length} colors', null),
              ],
            ),

            const SizedBox(height: 24),

            // Extensions Section
            _buildSection(
              'Extensions',
              'Useful extension methods for common Flutter types',
              [
                _buildExtensionExample(
                    'String.capitalize', 'hello world'.capitalize),
                _buildExtensionExample(
                    'String.titleCase', 'hello world'.titleCase),
                _buildExtensionExample('String.truncate',
                    'This is a very long string'.truncate(20)),
                _buildExtensionExample(
                    'DateTime.isToday', DateTime.now().isToday.toString()),
                _buildExtensionExample('DateTime.startOfDay',
                    DateTime.now().startOfDay.toString()),
                _buildExtensionExample(
                    'Color.toHex', _randomColor.toHex().toString()),
              ],
            ),

            const SizedBox(height: 24),

            // Test Utilities Section
            _buildSection(
              'Test Utilities',
              'Helper methods for creating test apps and waiting for conditions',
              [
                _buildUtilityExample('createTestApp',
                    'Creates a MaterialApp wrapper for testing'),
                _buildUtilityExample(
                    'createTestAppWithTheme', 'Creates a themed test app'),
                _buildUtilityExample(
                    'waitForCondition', 'Waits for a condition to be true'),
              ],
            ),
          ],
        ),
      ),
      floatingActionButton: FloatingActionButton(
        onPressed: _generateRandomData,
        tooltip: 'Generate Random Data',
        child: const Icon(Icons.refresh),
      ),
    );
  }

  Widget _buildSection(
      String title, String description, List<Widget> children) {
    return Column(
      crossAxisAlignment: CrossAxisAlignment.start,
      children: [
        Text(
          title,
          style: Theme.of(context).textTheme.headlineSmall?.copyWith(
                fontWeight: FontWeight.bold,
              ),
        ),
        const SizedBox(height: 8),
        Text(
          description,
          style: Theme.of(context).textTheme.bodyMedium?.copyWith(
                color: Colors.grey[600],
              ),
        ),
        const SizedBox(height: 16),
        ...children,
      ],
    );
  }

  Widget _buildDataCard(String title, Object value, Color? color) {
    return Card(
      margin: const EdgeInsets.only(bottom: 8),
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Row(
          children: [
            if (color != null)
              Container(
                width: 24,
                height: 24,
                decoration: BoxDecoration(
                  color: color,
                  borderRadius: BorderRadius.circular(12),
                  border: Border.all(color: Colors.grey[300]!),
                ),
              ),
            if (color != null) const SizedBox(width: 12),
            Expanded(
              child: Column(
                crossAxisAlignment: CrossAxisAlignment.start,
                children: [
                  Text(
                    title,
                    style: const TextStyle(fontWeight: FontWeight.w500),
                  ),
                  const SizedBox(height: 4),
                  Text(
                    value.toString(),
                    style: TextStyle(
                      color: Colors.grey[600],
                      fontSize: 12,
                    ),
                  ),
                ],
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildExtensionExample(String method, String result) {
    return Card(
      margin: const EdgeInsets.only(bottom: 8),
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              method,
              style: const TextStyle(
                fontWeight: FontWeight.w500,
                fontFamily: 'monospace',
              ),
            ),
            const SizedBox(height: 4),
            Text(
              'Result: $result',
              style: TextStyle(
                color: Colors.grey[600],
                fontSize: 12,
              ),
            ),
          ],
        ),
      ),
    );
  }

  Widget _buildUtilityExample(String method, String description) {
    return Card(
      margin: const EdgeInsets.only(bottom: 8),
      child: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Text(
              method,
              style: const TextStyle(
                fontWeight: FontWeight.w500,
                fontFamily: 'monospace',
              ),
            ),
            const SizedBox(height: 4),
            Text(
              description,
              style: TextStyle(
                color: Colors.grey[600],
                fontSize: 12,
              ),
            ),
          ],
        ),
      ),
    );
  }
}