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<?php
/*
* This file is part of composer/pcre.
*
* (c) Composer <https://github.com/composer>
*
* For the full copyright and license information, please view
* the LICENSE file that was distributed with this source code.
*/
namespace Composer\Pcre\PregTests;
use Composer\Pcre\BaseTestCase;
use Composer\Pcre\Preg;
use Composer\Pcre\UnexpectedNullMatchException;
class ReplaceCallbackTest extends BaseTestCase
{
public function setUp(): void
{
$this->pregFunction = 'preg_replace_callback()';
}
public function testSuccess(): void
{
$result = Preg::replaceCallback('{(?P<m>d)}', function ($match) {
return '('.$match[0].')';
}, 'abcd', -1, $count);
self::assertSame(1, $count);
self::assertSame('abc(d)', $result);
}
public function testSuccessWithOffset(): void
{
$result = Preg::replaceCallback('{(?P<m>d)}', function ($match) {
return '('.$match[0][0].')';
}, 'abcd', -1, $count, PREG_OFFSET_CAPTURE);
self::assertSame(1, $count);
self::assertSame('abc(d)', $result);
}
public function testSuccessNoRef(): void
{
$result = Preg::replaceCallback('{(?P<m>d)}', function ($match) {
return '('.$match[0].')';
}, 'abcd');
self::assertSame('abc(d)', $result);
}
public function testFailure(): void
{
$result = Preg::replaceCallback('{abc}', function ($match) {
return '('.$match[0].')';
}, 'def', -1, $count);
self::assertSame(0, $count);
self::assertSame('def', $result);
}
public function testSuccessStrictGroups(): void
{
$result = Preg::replaceCallbackStrictGroups('{(?P<m>\d)(?<matched>a)?}', function ($match) {
return strtoupper($match['matched']);
}, '3a', -1, $count);
self::assertSame(1, $count);
self::assertSame('A', $result);
}
public function testFailStrictGroups(): void
{
self::expectException(UnexpectedNullMatchException::class);
self::expectExceptionMessage('Pattern "{(?P<m>\d)(?<unmatched>a)?}" had an unexpected unmatched group "unmatched", make sure the pattern always matches or use replaceCallback() instead.');
$result = Preg::replaceCallbackStrictGroups('{(?P<m>\d)(?<unmatched>a)?}', function ($match) {
return strtoupper($match['unmatched']);
}, '123', -1, $count);
}
public function testBadPatternThrowsIfWarningsAreNotThrowing(): void
{
$this->expectPcreException($pattern = '{(?P<m>d)');
@Preg::replaceCallback($pattern, function ($match) {
return '('.$match[0].')';
}, 'abcd');
}
public function testBadPatternTriggersWarningByDefault(): void
{
$this->expectPcreWarning();
Preg::replaceCallback('{(?P<m>d)', function ($match) {
return '('.$match[0].')';
}, 'abcd');
}
public function testThrowsWithSubjectArray(): void
{
$this->doExpectException('InvalidArgumentException', Preg::ARRAY_MSG);
Preg::replaceCallback('{(?P<m>d)}', function ($match) {
return '('.$match[0].')';
}, array('abcd')); // @phpstan-ignore-line
}
}
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