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<?php
namespace MediaWiki\Extension\TextExtracts\Test;
use MediaWiki\Extension\TextExtracts\TextTruncator;
/**
* @covers MediaWiki\Extension\TextExtracts\TextTruncator
* @group TextExtracts
*
* @license GPL-2.0-or-later
*/
class TextTruncatorTest extends \PHPUnit\Framework\TestCase {
/**
* @dataProvider provideGetFirstSentences
* @param string $text
* @param string $sentences
* @param string $expected
*/
public function testGetFirstSentences( $text, $sentences, $expected ) {
$truncator = new TextTruncator( false );
$this->assertSame( $expected, $truncator->getFirstSentences( $text, $sentences ) );
}
public static function provideGetFirstSentences() {
$longLine = str_repeat( 'word ', 1000000 );
return [
[
'Foo is a bar. Such a smart boy. But completely useless.',
2,
'Foo is a bar. Such a smart boy.',
],
[
'Foo is a bar. Such a smart boy. But completely useless.',
1,
'Foo is a bar.',
],
[
'Foo is a bar. Such a smart boy.',
2,
'Foo is a bar. Such a smart boy.',
],
[
'Foo is a bar.',
1,
'Foo is a bar.',
],
[
'Foo is a bar.',
2,
'Foo is a bar.',
],
[
'',
1,
'',
],
'0 sentences mean empty result' => [
'Foo is a bar. Such a smart boy.',
0,
'',
],
"Don't explode on negative input" => [
'Foo is a bar. Such a smart boy.',
-1,
'',
],
'More sentences requested than is available' => [
'Foo is a bar. Such a smart boy.',
3,
'Foo is a bar. Such a smart boy.',
],
// Exclamation points too!!!
[
'Foo is a bar! Such a smart boy! But completely useless!',
1,
'Foo is a bar!',
],
// A tricky one
[
"Acid phosphatase (EC 3.1.3.2) is a chemical you don't want to mess with. " .
"Polyvinyl acetate, however, is another story.",
1,
"Acid phosphatase (EC 3.1.3.2) is a chemical you don't want to mess with.",
],
// No clear sentences
[
"foo\nbar\nbaz",
2,
'foo',
],
// Bug T118621
[
'Foo was born in 1977. He enjoys listening to Siouxsie and the Banshees.',
1,
'Foo was born in 1977.',
],
// Bug T115795 - Test no cropping after initials
[
'P.J. Harvey is a singer. She is awesome!',
1,
'P.J. Harvey is a singer.',
],
// Bug T115817 - Non-breaking space is not a delimiter
[
html_entity_decode( 'Pigeons (lat. Columbidae) are birds. ' .
'They primarily feed on seeds.' ),
1,
html_entity_decode( 'Pigeons (lat. Columbidae) are birds.' ),
],
// Bug T145231 - various problems with regexes
[
$longLine,
3,
trim( $longLine ),
],
[
str_repeat( 'Sentence. ', 70000 ),
65536,
trim( str_repeat( 'Sentence. ', 65536 ) ),
],
'Preserve whitespace before end character' => [
'Aa . Bb',
1,
'Aa .',
],
];
}
/**
* @dataProvider provideGetFirstChars
* @param string $text
* @param string $chars
* @param string $expected
*/
public function testGetFirstChars( $text, $chars, $expected ) {
$truncator = new TextTruncator( false );
$this->assertSame( $expected, $truncator->getFirstChars( $text, $chars ) );
}
public static function provideGetFirstChars() {
$text = 'Lullzy lulz are lullzy!';
$html = 'foo<tag>bar</tag>';
$longText = str_repeat( 'тест ', 50000 );
$longTextExpected = trim( str_repeat( 'тест ', 13108 ) );
return [
[ $text, -8, '' ],
[ $text, 0, '' ],
[ $text, 100, $text ],
[ $text, 1, 'Lullzy' ],
[ $text, 6, 'Lullzy' ],
// [ $text, 7, 'Lullzy' ],
[ $text, 8, 'Lullzy lulz' ],
// HTML processing
[ $html, 1, 'foo' ],
// let HTML sanitizer clean it up later
[ $html, 4, 'foo<tag>' ],
[ $html, 12, 'foo<tag>bar</tag>' ],
[ $html, 13, 'foo<tag>bar</tag>' ],
[ $html, 16, 'foo<tag>bar</tag>' ],
[ $html, 17, 'foo<tag>bar</tag>' ],
// T143178 - previously, characters were extracted using regexps which failed when
// requesting 64K chars or more.
[ $longText, 65536, $longTextExpected ],
];
}
public function testTidyIntegration() {
$truncator = new TextTruncator( true );
$text = '<b>Aa. Bb.</b>';
$this->assertSame( '<p><b>Aa.</b></p>', $truncator->getFirstSentences( $text, 1 ) );
$this->assertSame( '<p><b>Aa</b></p>', $truncator->getFirstChars( $text, 4 ) );
}
}