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Unit tests
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‎test/alerts_test.dart‎

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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/material.dart';
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import 'package:layrz_theme/layrz_theme.dart';
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void main() {
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group('ThemedAlert widget', () {
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testWidgets('renders info alert', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedAlert(
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type: ThemedAlertType.info,
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title: 'Info Title',
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description: 'Info Description',
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),
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),
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),
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);
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expect(find.text('Info Title'), findsOneWidget);
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expect(find.text('Info Description'), findsOneWidget);
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expect(find.byType(ThemedAlert), findsOneWidget);
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});
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testWidgets('renders success alert', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedAlert(
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type: ThemedAlertType.success,
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title: 'Success Title',
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description: 'Success Description',
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),
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),
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),
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);
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expect(find.text('Success Title'), findsOneWidget);
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expect(find.text('Success Description'), findsOneWidget);
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expect(find.byType(ThemedAlert), findsOneWidget);
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});
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testWidgets('renders custom alert with icon and color', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedAlert(
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type: ThemedAlertType.custom,
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title: 'Custom Title',
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description: 'Custom Description',
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color: Colors.purple,
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icon: Icons.star,
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),
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),
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),
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);
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expect(find.text('Custom Title'), findsOneWidget);
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expect(find.text('Custom Description'), findsOneWidget);
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expect(find.byType(ThemedAlert), findsOneWidget);
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expect(find.byIcon(Icons.star), findsOneWidget);
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});
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});
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}

‎test/datetime_extension_test.dart‎

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import 'package:flutter_test/flutter_test.dart';
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import 'package:layrz_theme/layrz_theme.dart';
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void main() {
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group('DateTimeExtension', () {
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test('secondsSinceEpoch returns correct value', () {
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final date = DateTime(2023, 1, 1);
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expect(date.secondsSinceEpoch, date.millisecondsSinceEpoch / 1000);
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});
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test('thisWeek and lastWeek return correct dates', () {
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final date = DateTime(2023, 8, 1); // Tuesday
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final thisWeek = date.thisWeek;
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expect(thisWeek.first, DateTime(2023, 7, 31)); // Monday
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expect(thisWeek.last, DateTime(2023, 8, 6)); // Sunday
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final lastWeek = date.lastWeek;
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expect(lastWeek.first, DateTime(2023, 7, 24)); // Monday
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expect(lastWeek.last, DateTime(2023, 7, 30)); // Sunday
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});
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test('thisMonth and lastMonth return correct dates', () {
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final date = DateTime(2023, 8, 15);
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final thisMonth = date.thisMonth;
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expect(thisMonth.first, DateTime(2023, 8, 1));
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expect(thisMonth.last, DateTime(2023, 8, 31));
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final lastMonth = date.lastMonth;
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expect(lastMonth.first, DateTime(2023, 7, 1));
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expect(lastMonth.last, DateTime(2023, 7, 31));
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});
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});
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}

‎test/widgets/alerts_test.dart‎

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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/material.dart';
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import 'package:layrz_theme/layrz_theme.dart';
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void main() {
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group('ThemedAlert widget', () {
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testWidgets('renders info alert', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedAlert(
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type: ThemedAlertType.info,
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title: 'Info Title',
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description: 'Info Description',
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),
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),
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),
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);
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expect(find.text('Info Title'), findsOneWidget);
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expect(find.text('Info Description'), findsOneWidget);
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expect(find.byType(ThemedAlert), findsOneWidget);
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});
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testWidgets('renders success alert', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedAlert(
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type: ThemedAlertType.success,
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title: 'Success Title',
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description: 'Success Description',
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),
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),
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),
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);
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expect(find.text('Success Title'), findsOneWidget);
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expect(find.text('Success Description'), findsOneWidget);
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expect(find.byType(ThemedAlert), findsOneWidget);
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});
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testWidgets('renders custom alert with icon and color', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedAlert(
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type: ThemedAlertType.custom,
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title: 'Custom Title',
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description: 'Custom Description',
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color: Colors.purple,
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icon: Icons.star,
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),
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),
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),
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);
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expect(find.text('Custom Title'), findsOneWidget);
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expect(find.text('Custom Description'), findsOneWidget);
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expect(find.byType(ThemedAlert), findsOneWidget);
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expect(find.byIcon(Icons.star), findsOneWidget);
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});
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});
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}

‎test/widgets/button_test.dart‎

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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/material.dart';
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import 'package:layrz_theme/layrz_theme.dart';
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void main() {
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group('ThemedButton widget', () {
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testWidgets('renders with labelText', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedButton(
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labelText: 'Button Text',
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onTap: () {},
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),
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),
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),
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);
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expect(find.byType(ThemedButton), findsOneWidget);
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final richTexts = tester.widgetList<RichText>(find.byType(RichText));
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final allText = richTexts.map((rt) => (rt.text as TextSpan).toPlainText()).join(' ');
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expect(allText, contains('Button Text'));
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});
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testWidgets('renders with icon', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedButton(
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labelText: 'Icon Button',
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icon: Icons.add,
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onTap: () {},
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),
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),
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),
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);
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expect(find.byIcon(Icons.add), findsOneWidget);
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final richTexts = tester.widgetList<RichText>(find.byType(RichText));
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final allText = richTexts.map((rt) => (rt.text as TextSpan).toPlainText()).join(' ');
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expect(allText, contains('Icon Button'));
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});
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testWidgets('renders as disabled', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedButton(
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labelText: 'Disabled',
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isDisabled: true,
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onTap: () {},
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),
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),
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),
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);
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final richTexts = tester.widgetList<RichText>(find.byType(RichText));
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final allText = richTexts.map((rt) => (rt.text as TextSpan).toPlainText()).join(' ');
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expect(allText, contains('Disabled'));
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// Optionally check for disabled state visually
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});
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testWidgets('renders loading state', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedButton(
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labelText: 'Loading',
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isLoading: true,
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onTap: () {},
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),
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),
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),
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);
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// Loading state may not show label text, so check for LinearProgressIndicator
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expect(find.byType(LinearProgressIndicator), findsWidgets);
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});
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testWidgets('renders with custom color', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedButton(
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labelText: 'Colored',
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color: Colors.purple,
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onTap: () {},
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),
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),
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),
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);
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final richTexts = tester.widgetList<RichText>(find.byType(RichText));
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final allText = richTexts.map((rt) => (rt.text as TextSpan).toPlainText()).join(' ');
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expect(allText, contains('Colored'));
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});
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testWidgets('renders with different styles', (WidgetTester tester) async {
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for (final style in ThemedButtonStyle.values) {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedButton(
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labelText: style.toString(),
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style: style,
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icon: Icons.star,
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onTap: () {},
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),
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),
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),
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);
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// FAB styles only show icon, not label text
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final isFab = [
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ThemedButtonStyle.outlinedFab,
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ThemedButtonStyle.fab,
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ThemedButtonStyle.filledFab,
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ThemedButtonStyle.filledTonalFab,
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ThemedButtonStyle.elevatedFab,
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ThemedButtonStyle.outlinedTonalFab,
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].contains(style);
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if (isFab) {
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expect(find.byIcon(Icons.star), findsOneWidget);
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} else {
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final richTexts = tester.widgetList<RichText>(find.byType(RichText));
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final allText = richTexts.map((rt) => (rt.text as TextSpan).toPlainText()).join(' ');
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expect(allText, contains(style.toString()));
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}
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}
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});
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testWidgets('renders with factory constructors', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Column(
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children: [
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ThemedButton.save(onTap: () {}, labelText: 'Save'),
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ThemedButton.cancel(onTap: () {}, labelText: 'Cancel'),
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ThemedButton.info(onTap: () {}, labelText: 'Info'),
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ThemedButton.show(onTap: () {}, labelText: 'Show'),
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ThemedButton.edit(onTap: () {}, labelText: 'Edit'),
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ThemedButton.delete(onTap: () {}, labelText: 'Delete'),
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],
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),
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),
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);
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// Only check for label text in non-FAB styles
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final richTexts = tester.widgetList<RichText>(find.byType(RichText));
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final allText = richTexts.map((rt) => (rt.text as TextSpan).toPlainText()).join(' ');
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expect(allText, contains('Save'));
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expect(allText, contains('Cancel'));
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expect(allText, contains('Info'));
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expect(allText, contains('Show'));
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expect(allText, contains('Edit'));
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expect(allText, contains('Delete'));
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});
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});
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}

‎test/widgets/chip_test.dart‎

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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/material.dart';
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import 'package:layrz_theme/layrz_theme.dart';
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void main() {
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group('ThemedChip widget', () {
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testWidgets('renders with label', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedChip(labelText: 'Test Chip'),
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),
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),
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);
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// The label is rendered as a TextSpan inside RichText, not a Text widget
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final richText = tester.widget<RichText>(find.byType(RichText));
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final textSpan = richText.text as TextSpan;
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expect(textSpan.toPlainText(), contains('Test Chip'));
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expect(find.byType(ThemedChip), findsOneWidget);
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});
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testWidgets('renders with custom color', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: ThemedChip(labelText: 'Colored Chip', color: Colors.red),
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),
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),
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);
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final richText = tester.widget<RichText>(find.byType(RichText));
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final textSpan = richText.text as TextSpan;
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expect(textSpan.toPlainText(), contains('Colored Chip'));
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expect(find.byType(ThemedChip), findsOneWidget);
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});
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});
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}

‎test/widgets/layo_test.dart‎

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import 'package:flutter_test/flutter_test.dart';
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import 'package:flutter/material.dart';
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import 'package:layrz_theme/layrz_theme.dart';
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void main() {
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group('Layo widget', () {
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testWidgets('renders with default values', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: Layo(size: 50),
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),
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),
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);
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expect(find.byType(Layo), findsOneWidget);
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});
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testWidgets('renders with custom emotion', (WidgetTester tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Scaffold(
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body: Layo(size: 50, emotion: LayoEmotions.happy),
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),
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),
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);
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expect(find.byType(Layo), findsOneWidget);
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});
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test('throws assertion error for invalid elevation', () {
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expect(() => Layo(size: 50, elevation: 6), throwsAssertionError);
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expect(() => Layo(size: 50, elevation: -1), throwsAssertionError);
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});
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});
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}

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