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test: Add a few more unit tests
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-13
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4 files changed

+219
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lines changed

‎test/flutter_html_test.dart

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import 'package:flutter/material.dart';
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import 'package:flutter_html/flutter_html.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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testWidgets(
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"Check that widget does not fail on empty data",
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(tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Html(
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data: "",
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),
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),
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);
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expect(find.text('', findRichText: true), findsOneWidget);
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},
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);
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testWidgets(
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"Check that selectable widget does not fail on empty data",
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(tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: SelectableHtml(
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data: '',
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),
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),
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);
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expect(find.text('', findRichText: true), findsOneWidget);
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},
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);
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testWidgets(
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"Check that widget displays given text",
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(tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Html(
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data: "Text",
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),
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),
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);
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expect(find.text('Text', findRichText: true), findsOneWidget);
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},
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);
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testWidgets('Check that a simple element is displayed', (tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Html(
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data: "<p>Text</p>",
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),
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),
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);
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expect(find.text('Text', findRichText: true), findsOneWidget);
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});
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testWidgets('Check that a simple element is hidden when tagsList does not contain it', (tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Html(
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data: "<p>Text</p>",
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tagsList: ['div'], //Anything but `p`
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),
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),
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);
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expect(find.text('Text', findRichText: true), findsNothing);
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});
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testWidgets('Check that a simple element is displayed when it is included in tagsList', (tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Html(
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data: "<p>Text</p>",
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tagsList: ['html', 'body', 'p'],
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),
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),
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);
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expect(find.text('Text', findRichText: true), findsOneWidget);
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});
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testWidgets('Check that a custom element is not displayed', (tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Html(
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data: "<custom>Text</custom>",
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),
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),
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);
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expect(find.text('Text', findRichText: true), findsNothing);
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});
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testWidgets('Check that a custom element is not displayed', (tester) async {
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await tester.pumpWidget(
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MaterialApp(
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home: Html(
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data: "<custom>Text</custom>",
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tagsList: Html.tags..add('custom'),
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),
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),
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);
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expect(find.text('Text', findRichText: true), findsOneWidget);
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});
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}

‎test/style/dimension_test.dart

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@@ -28,17 +28,17 @@ void main() {
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expect(lengthPercent.unit, equals(Unit.px));
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});
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// test("Pass in invalid unit", () {
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// expect(() => Length(nonZeroNumber, Unit.percent), throwsAssertionError);
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// });
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// test("Pass in invalid unit with zero", () {
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// expect(() => Length(0, Unit.percent), throwsAssertionError);
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// });
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// test("Pass in a valid unit", () {
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// final lengthPercent = LengthOrPercent(nonZeroNumber, Unit.percent);
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// expect(lengthPercent.value, equals(nonZeroNumber));
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// expect(lengthPercent.unit, equals(Unit.percent));
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// });
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test("Pass in invalid unit", () {
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expect(() => Length(nonZeroNumber, Unit.percent), throwsAssertionError);
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});
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test("Pass in invalid unit with zero", () {
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expect(() => Length(0, Unit.percent), throwsAssertionError);
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});
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test("Pass in a valid unit", () {
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final lengthPercent = LengthOrPercent(nonZeroNumber, Unit.percent);
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expect(lengthPercent.value, equals(nonZeroNumber));
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expect(lengthPercent.unit, equals(Unit.percent));
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});
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}

‎test/style/fontsize_test.dart

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import 'package:flutter_html/src/style/fontsize.dart';
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import 'package:flutter_html/src/style/length.dart';
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import 'package:flutter_test/flutter_test.dart';
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void main() {
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test('Check basic FontSize inheritance', () {
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final FontSize parent = FontSize(16);
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final FontSize? child = null;
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final result = FontSize.inherit(parent, child);
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expect(result?.value, equals(16));
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});
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test('Check double null FontSize inheritance', () {
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final FontSize? parent = null;
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final FontSize? child = null;
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final result = FontSize.inherit(parent, child);
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expect(result?.value, equals(null));
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});
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test('Check basic em inheritance', () {
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final FontSize? parent = FontSize(16);
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final FontSize? child = FontSize(1, Unit.em);
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final result = FontSize.inherit(parent, child);
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expect(result?.value, equals(16));
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});
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test('Check factor em inheritance', () {
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final FontSize? parent = FontSize(16);
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final FontSize? child = FontSize(0.5, Unit.em);
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final result = FontSize.inherit(parent, child);
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expect(result?.value, equals(8));
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});
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test('Check basic % inheritance', () {
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final FontSize? parent = FontSize(16);
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final FontSize? child = FontSize(100, Unit.percent);
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final result = FontSize.inherit(parent, child);
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expect(result?.value, equals(16));
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});
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test('Check scaled % inheritance', () {
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final FontSize? parent = FontSize(16);
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final FontSize? child = FontSize(50, Unit.percent);
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final result = FontSize.inherit(parent, child);
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expect(result?.value, equals(8));
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});
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}

‎test/utils_test.dart

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import 'package:flutter_html/flutter_html.dart';
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import 'package:flutter_html/src/css_parser.dart';
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import 'package:flutter_html/src/utils.dart';
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import 'package:flutter_test/flutter_test.dart';
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/// Tests the file lib/src/utils.dart
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void main() {
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test('Tests that namedColors returns a valid color', () {
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expect(ExpressionMapping.namedColorToColor('red'), equals(ExpressionMapping.stringToColor(namedColors['Red']!)));
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expect(namedColors['Red'], equals('#FF0000'));
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});
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test('CustomBorderSide does not allow negative width', () {
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expect(() => CustomBorderSide(width: -5), throwsAssertionError);
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expect(CustomBorderSide(width: 0), TypeMatcher<CustomBorderSide>());
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expect(CustomBorderSide(width: 5), TypeMatcher<CustomBorderSide>());
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});
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const originalString = 'Hello';
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const uppercaseString = 'HELLO';
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const lowercaseString = 'hello';
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test('TextTransformUtil returns self if transform is null', () {
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expect(originalString.transformed(null), equals(originalString));
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});
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test('TextTransformUtil uppercases correctly', () {
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expect(originalString.transformed(TextTransform.uppercase), equals(uppercaseString));
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});
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test('TextTransformUtil lowercases correctly', () {
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expect(originalString.transformed(TextTransform.lowercase), equals(lowercaseString));
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});
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const originalLongString = 'Hello, world! pub.dev';
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const capitalizedLongString = 'Hello, World! Pub.Dev';
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test('TextTransformUtil capitalizs correctly', () {
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expect(originalLongString.transformed(TextTransform.capitalize), equals(capitalizedLongString));
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});
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}

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