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TF-4139 Add more test case for extractPlainText function

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This commit is contained in:
dab246
2025-11-11 09:21:18 +07:00
committed by Dat H. Pham
parent f69179438f
commit 17b48d947b
1 changed files with 196 additions and 2 deletions
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core/test/utils/html_utils_test.dart
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@@ -232,7 +232,6 @@ void main() {
expect(HtmlUtils.extractPlainText(html), 'Before Hello After');
});
test('handles emoji correctly', () {
const html = '''
<p>Hello 🌍🚀</p>
@@ -318,8 +317,203 @@ void main() {
});
test('keeps unknown tags as plain text', () {
// Unknown HTML tags should be keep as html text,
// not stripped or removed by the extractor.
const html = '<heloloasdadadadadsad>dab';
expect(HtmlUtils.extractPlainText(html), '<heloloasdadadadadsad>dab');
expect(
HtmlUtils.extractPlainText(html),
'<heloloasdadadadadsad>dab</heloloasdadadadadsad>',
);
});
test('removes deeply nested blockquotes with mixed content', () {
const html = '''
<p>Intro</p>
<blockquote>
<div>Level1</div>
<blockquote>
<p>Level2</p>
<blockquote>
<span>Level3</span>
<blockquote>
<i>Level4</i>
</blockquote>
</blockquote>
</blockquote>
</blockquote>
<p>Outro</p>
''';
expect(HtmlUtils.extractPlainText(html), 'Intro Outro');
});
test('removes adjacent blockquotes and preserves surrounding text', () {
const html = '''
<div>Top</div>
<blockquote><p>Q1</p></blockquote>
<blockquote><p>Q2</p></blockquote>
<blockquote><p>Q3</p></blockquote>
<div>Bottom</div>
''';
expect(HtmlUtils.extractPlainText(html), 'Top Bottom');
});
test('removes blockquote with attributes and cite', () {
const html = '''
<p>Start</p>
<blockquote type="cite" style="border-left:2px solid #eee;">
<cite>On Nov 10 ...</cite>
<div>Quoted text</div>
</blockquote>
<p>End</p>
''';
expect(HtmlUtils.extractPlainText(html), 'Start End');
});
test('keeps content when removeQuotes=false', () {
const html = '''
<p>A</p>
<blockquote><p>B inside quote</p></blockquote>
<p>C</p>
''';
expect(
HtmlUtils.extractPlainText(html, removeQuotes: false),
'A B inside quote C',
);
});
test('keeps content of encoded blockquotes since they are not real tags', () {
const html = '''
<p>Before</p>
&amp;lt;blockquote&amp;gt;Inner from encoded quote&amp;lt;/blockquote&amp;gt;
<p>After</p>
''';
expect(HtmlUtils.extractPlainText(html), 'Before Inner from encoded quote After');
});
test('handles multiple encoded tags that become real tags then stripped', () {
const html = '''
&amp;lt;div&amp;gt;A&amp;lt;/div&amp;gt;&amp;lt;span&amp;gt;B&amp;lt;/span&amp;gt;
''';
// After decoding twice: <div>A</div><span>B</span> → "A B"
expect(HtmlUtils.extractPlainText(html), 'A B');
});
test('removes style and script tags when enabled', () {
const html = '''
<p>Keep</p>
<style>.x{color:red} body{margin:0}</style>
<script>console.log('hi')</script>
<p>Me</p>
''';
expect(HtmlUtils.extractPlainText(html), 'Keep Me');
});
test('keeps style content when removeStyle=false', () {
const html = '''
<p>Top</p>
<style>.x { color: red } /* CSS */</style>
<p>Bottom</p>
''';
// When removeStyle=false, style content remains after tag stripping.
expect(
HtmlUtils.extractPlainText(html, removeStyle: false),
'Top <style>.x { color: red } /* CSS */</style> Bottom',
);
});
test('keeps script content when removeScript=false', () {
const html = '''
<p>Hello</p>
<script>var x = 1 < 2 && 3 > 2; alert(x);</script>
<p>World</p>
''';
expect(
HtmlUtils.extractPlainText(html, removeScript: false),
'Hello <script>var x = 1 < 2 && 3 > 2; alert(x);</script> World',
);
});
test('collapses multiple <br> tags into a single space', () {
const html = '''
Hello<br><br/><br />World
''';
expect(HtmlUtils.extractPlainText(html), 'Hello World');
});
test('handles mixed languages inside and outside quotes', () {
const html = '''
<p>Xin chào</p>
<blockquote><p>Bonjour (quoted)</p></blockquote>
<p>こんにちは</p>
''';
expect(HtmlUtils.extractPlainText(html), 'Xin chào こんにちは');
});
test('handles messy whitespace around quotes and tags', () {
const html = '''
<div> A </div>
<blockquote>
<p> should be gone </p>
</blockquote>
<span> B </span>
''';
expect(HtmlUtils.extractPlainText(html), 'A B');
});
test('ignores disclaimers when wrapped inside blockquotes', () {
const html = '''
<p>Keep</p>
<blockquote>
<div style="margin:5px; font-size:11px; color:#104c88;">
Ce message et les éventuels documents joints...
</div>
</blockquote>
<p>Text</p>
''';
expect(HtmlUtils.extractPlainText(html), 'Keep Text');
});
test('keeps disclaimers that are not wrapped in blockquotes', () {
const html = '''
<p>Top</p>
<div style="font-size:11px">Ce message et les éventuels documents joints...</div>
<p>Bottom</p>
''';
expect(HtmlUtils.extractPlainText(html),
'Top Ce message et les éventuels documents joints... Bottom');
});
test('removes malformed nested blockquotes completely', () {
const html = '''
<p>Intro</p>
<blockquote>
<div>Q1
<blockquote>Q2
<blockquote>Q3</blockquote
></blockquote>
</div>
</blockquote>
<p>Outro</p>
''';
expect(HtmlUtils.extractPlainText(html), 'Intro Outro');
});
test('leaves unknown entities untouched while decoding known ones', () {
const html = '''
<p>&copy; 2025 &unknown; &amp; &lt;tag&gt;</p>
''';
// &copy; → ©, &amp; → &, &lt;tag&gt; → <tag>, unknown entities stay as-is
expect(HtmlUtils.extractPlainText(html), '© 2025 &unknown; & <tag>');
});
test('keeps unknown tags as html text even when adjacent', () {
const html = '<abc>a</abc><xyz>b</xyz>';
expect(HtmlUtils.extractPlainText(html), '<abc>a</abc><xyz>b</xyz>');
});
test('handles encoded unknown tags that become html text after decoding', () {
const html = '&amp;lt;weird&amp;gt;X&amp;lt;/weird&amp;gt;Y';
expect(HtmlUtils.extractPlainText(html), '<weird>X</weird>Y');
});
});