TF-3236 Widget test RichTextBuilder
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DatDang
@@ -0,0 +1,280 @@
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import 'package:core/presentation/extensions/list_extensions.dart';
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import 'package:core/presentation/views/text/rich_text_builder.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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const normalTextStyle = TextStyle(
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color: Colors.black,
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fontSize: 16,
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);
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const highlightTextStyle = TextStyle(
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color: Colors.red,
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fontSize: 16,
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);
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Widget buildRichText({
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required String textOrigin,
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required String wordToStyle,
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String? preMarkedText,
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bool ensureHighlightVisible = false,
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}) => MaterialApp(home: Scaffold(
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body: RichTextBuilder(
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textOrigin: textOrigin,
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wordToStyle: wordToStyle,
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styleOrigin: normalTextStyle,
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styleWord: highlightTextStyle,
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preMarkedText: preMarkedText,
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ensureHighlightVisible: ensureHighlightVisible,
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),
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));
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Finder findNormalStyledText(String text, {int occurrence = 1}) {
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final normalSpan = TextSpan(text: text, style: normalTextStyle);
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return find.byWidgetPredicate((widget) {
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return widget is RichText
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&& (widget.text as TextSpan).text == null
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&& ((widget.text as TextSpan).children!.first as TextSpan).children!.contains(normalSpan)
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&& ((widget.text as TextSpan).children!.first as TextSpan).children!.countOccurrences(normalSpan) == occurrence;
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});
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}
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Finder findUnfocusedHighlightStyledText(String text, {int occurrence = 1}) {
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final highlightSpan = TextSpan(text: text, style: highlightTextStyle);
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return find.byWidgetPredicate((widget) {
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return widget is RichText
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&& (widget.text as TextSpan).children != null
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&& ((widget.text as TextSpan).children!.first as TextSpan).children!.contains(highlightSpan)
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&& ((widget.text as TextSpan).children!.first as TextSpan).children!.countOccurrences(highlightSpan) == occurrence;
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});
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}
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Finder findFocusedHighlightStyledText(String text) {
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return find.byWidgetPredicate((widget) {
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return widget is RichText
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&& (widget.text as TextSpan).text == null
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&& ((widget.text as TextSpan).children!.first as TextSpan)
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.children
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!.where((span) => span is WidgetSpan
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&& span.child is Text
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&& (span.child as Text).data == text
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&& (span.child as Text).style == highlightTextStyle
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&& span.child.key is GlobalKey)
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.isNotEmpty;
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});
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}
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group('rich text builder test:', () {
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testWidgets(
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'should not highlight any text '
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'when wordToStyle is empty '
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'and preMarkedText is null',
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(tester) async {
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// arrange
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const textOrigin = 'This is a test';
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final richText = buildRichText(
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textOrigin: textOrigin,
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wordToStyle: '',
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);
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// act
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await tester.pumpWidget(richText);
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// assert
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expect(
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findNormalStyledText(textOrigin),
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findsOneWidget,
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);
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expect(findFocusedHighlightStyledText(''), findsNothing);
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expect(findUnfocusedHighlightStyledText(''), findsNothing);
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});
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testWidgets(
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'should not highlight any text '
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'when textOrigin is empty '
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'and preMarkedText is null',
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(tester) async {
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// arrange
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const wordToStyle = 'This is a test';
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final richText = buildRichText(
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textOrigin: '',
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wordToStyle: wordToStyle,
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);
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// act
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await tester.pumpWidget(richText);
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// assert
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expect(
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findNormalStyledText(''),
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findsOneWidget,
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);
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expect(findFocusedHighlightStyledText(wordToStyle), findsNothing);
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expect(findUnfocusedHighlightStyledText(wordToStyle), findsNothing);
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});
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testWidgets(
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'should highlight text with wordToStyle '
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'when wordToStyle is not empty '
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'and preMarkedText is null',
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(tester) async {
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// arrange
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const textOrigin = 'This is a test of test';
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const wordToStyle = 'test';
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final richText = buildRichText(
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textOrigin: textOrigin,
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wordToStyle: wordToStyle,
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);
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final highlightStyledTexts = wordToStyle
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.allMatches(textOrigin)
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.map((match) => match.group(0)!)
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.toList();
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final focusedHighlightStyledText = highlightStyledTexts.first;
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final unfocusedHighlightStyledTexts = List.from(
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highlightStyledTexts.getRange(1, highlightStyledTexts.length));
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final normalStyledTexts = textOrigin
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.split(wordToStyle)
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..removeWhere((text) => text.isEmpty);
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// act
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await tester.pumpWidget(richText);
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// assert
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for (final text in normalStyledTexts) {
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expect(
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findNormalStyledText(
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text,
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occurrence: normalStyledTexts.countOccurrences(text),
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),
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findsOneWidget,
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);
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}
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for (final unfocusedHighlightStyledText in unfocusedHighlightStyledTexts) {
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expect(
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findUnfocusedHighlightStyledText(
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unfocusedHighlightStyledText,
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occurrence: unfocusedHighlightStyledTexts.countOccurrences(unfocusedHighlightStyledText),
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),
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findsOneWidget,
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);
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}
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expect(
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findFocusedHighlightStyledText(focusedHighlightStyledText),
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findsOneWidget,
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);
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});
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testWidgets(
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'should highlight text with <mark> '
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'when preMarkedText is not null ',
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(tester) async {
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// arrange
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const preMarkedText = 'This is <mark>test</mark> '
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'of <mark>test text</mark> with duplicate <mark>test</mark>This is ';
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final richText = buildRichText(
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textOrigin: '',
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wordToStyle: '',
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preMarkedText: preMarkedText,
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);
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final highlightMatches = RegExp('<mark>(.*?)</mark>').allMatches(preMarkedText);
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final highlightStyledTexts = highlightMatches
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.map((match) => match.group(1)!)
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.toList();
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final focusedHighlightStyledText = highlightStyledTexts.first;
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final unfocusedHighlightStyledTexts = List.from(
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highlightStyledTexts.getRange(1, highlightStyledTexts.length));
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final normalStyledTexts = <String>[];
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int lastIndex = 0;
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for (final match in highlightMatches) {
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normalStyledTexts.add(preMarkedText.substring(lastIndex, match.start));
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lastIndex = match.end;
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}
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normalStyledTexts
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..add(preMarkedText.substring(lastIndex))
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..removeWhere((text) => text.isEmpty);
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// act
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await tester.pumpWidget(richText);
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// assert
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for (final text in normalStyledTexts) {
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expect(
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findNormalStyledText(
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text,
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occurrence: normalStyledTexts.countOccurrences(text),
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),
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findsOneWidget,
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);
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}
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for (final unfocusedHighlightStyledText in unfocusedHighlightStyledTexts) {
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expect(
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findUnfocusedHighlightStyledText(
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unfocusedHighlightStyledText,
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occurrence: unfocusedHighlightStyledTexts.countOccurrences(unfocusedHighlightStyledText),
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),
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findsOneWidget,
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);
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}
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expect(
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findFocusedHighlightStyledText(focusedHighlightStyledText),
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findsOneWidget,
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);
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});
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testWidgets(
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'should highlight text with <mark> '
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'when preMarkedText is not null '
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'and both textOrigin and wordToStyle are not empty',
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(tester) async {
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// arrange
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const preMarkedText = 'This is <mark>test</mark> '
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'of <mark>test text</mark> with duplicate <mark>test</mark>';
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final richText = buildRichText(
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textOrigin: 'something something',
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wordToStyle: 'some',
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preMarkedText: preMarkedText,
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);
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final highlightMatches = RegExp('<mark>(.*?)</mark>').allMatches(preMarkedText);
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final highlightStyledTexts = highlightMatches
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.map((match) => match.group(1)!)
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.toList();
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final focusedHighlightStyledText = highlightStyledTexts.first;
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final unfocusedHighlightStyledTexts = List.from(
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highlightStyledTexts.getRange(1, highlightStyledTexts.length));
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final normalStyledTexts = <String>[];
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int lastIndex = 0;
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for (final match in highlightMatches) {
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normalStyledTexts.add(preMarkedText.substring(lastIndex, match.start));
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lastIndex = match.end;
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}
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normalStyledTexts
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..add(preMarkedText.substring(lastIndex))
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..removeWhere((text) => text.isEmpty);
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// act
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await tester.pumpWidget(richText);
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// assert
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for (final text in normalStyledTexts) {
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expect(
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findNormalStyledText(text),
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findsOneWidget,
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);
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}
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for (final unfocusedHighlightStyledText in unfocusedHighlightStyledTexts) {
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expect(
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findUnfocusedHighlightStyledText(
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unfocusedHighlightStyledText,
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occurrence: unfocusedHighlightStyledTexts.countOccurrences(unfocusedHighlightStyledText),
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),
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findsOneWidget,
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);
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}
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expect(
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findFocusedHighlightStyledText(focusedHighlightStyledText),
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findsOneWidget,
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);
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});
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});
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}
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