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<?php
declare(strict_types=1);
namespace PhpMyAdmin\MoTranslator\Tests;
use PhpMyAdmin\MoTranslator\Translator;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;
/**
* Test for gettext parsing.
*/
class PluralFormulaTest extends TestCase
{
/**
* Test for extractPluralsForms.
*/
#[DataProvider('pluralExtractionData')]
public function testExtractPluralsForms(string $header, string $expected): void
{
self::assertSame($expected, Translator::extractPluralsForms($header));
}
/**
* @return array[]
*/
public static function pluralExtractionData(): array
{
return [
// It defaults to a "Western-style" plural header.
[
'',
'nplurals=2; plural=n == 1 ? 0 : 1;',
],
// Extracting it from the middle of the header works.
[
"Content-type: text/html; charset=UTF-8\n"
. "Plural-Forms: nplurals=1; plural=0;\n"
. "Last-Translator: nobody\n",
' nplurals=1; plural=0;',
],
// It's also case-insensitive.
[
"PLURAL-forms: nplurals=1; plural=0;\n",
' nplurals=1; plural=0;',
],
// It falls back to default if it's not on a separate line.
[
'Content-type: text/html; charset=UTF-8' // note the missing \n here
. "Plural-Forms: nplurals=1; plural=0;\n"
. "Last-Translator: nobody\n",
'nplurals=2; plural=n == 1 ? 0 : 1;',
],
];
}
#[DataProvider('pluralCounts')]
public function testPluralCounts(string $expr, int $expected): void
{
self::assertSame($expected, Translator::extractPluralCount($expr));
}
/**
* @return array[]
*/
public static function pluralCounts(): array
{
return [
[
'',
1,
],
[
'foo=2; expr',
1,
],
[
'nplurals=2; epxr',
2,
],
[
' nplurals = 3 ; epxr',
3,
],
[
' nplurals = 4 ; epxr ; ',
4,
],
[
'nplurals',
1,
],
];
}
#[DataProvider('pluralExpressions')]
public function testPluralExpression(string $expr, string $expected): void
{
self::assertSame($expected, Translator::sanitizePluralExpression($expr));
}
/**
* @return array[]
*/
public static function pluralExpressions(): array
{
return [
[
'',
'',
],
[
'nplurals=2; plural=n == 1 ? 0 : 1;',
'n == 1 ? 0 : 1',
],
[
' nplurals=1; plural=0;',
'0',
],
[
"nplurals=6; plural=n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 && n%100<=10 ? 3 : n%100>=11 ? 4 : 5;\n",
'n==0 ? 0 : n==1 ? 1 : n==2 ? 2 : n%100>=3 && n%100<=10 ? 3 : n%100>=11 ? 4 : 5',
],
[
' nplurals=1; plural=baz(n);',
'(n)',
],
[
' plural=n',
'n',
],
[
'nplurals',
'n',
],
];
}
}
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