Viewing file:  StringMatchesFormatDescription.php (2.95 KB) -rw-r--r--
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<?php declare(strict_types=1);
/*
* This file is part of PHPUnit.
*
* (c) Sebastian Bergmann <sebastian@phpunit.de>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace PHPUnit\Framework\Constraint;
use const DIRECTORY_SEPARATOR;
use function explode;
use function implode;
use function preg_match;
use function preg_quote;
use function preg_replace;
use function strtr;
use SebastianBergmann\Diff\Differ;
use SebastianBergmann\Diff\Output\UnifiedDiffOutputBuilder;
/**
* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
*/
final class StringMatchesFormatDescription extends RegularExpression
{
/**
* @var string
*/
private $string;
public function __construct(string $string)
{
parent::__construct(
$this->createPatternFromFormat(
$this->convertNewlines($string)
)
);
$this->string = $string;
}
/**
* Evaluates the constraint for parameter $other. Returns true if the
* constraint is met, false otherwise.
*
* @param mixed $other value or object to evaluate
*/
protected function matches($other): bool
{
return parent::matches(
$this->convertNewlines($other)
);
}
protected function failureDescription($other): string
{
return 'string matches format description';
}
protected function additionalFailureDescription($other): string
{
$from = explode("\n", $this->string);
$to = explode("\n", $this->convertNewlines($other));
foreach ($from as $index => $line) {
if (isset($to[$index]) && $line !== $to[$index]) {
$line = $this->createPatternFromFormat($line);
if (preg_match($line, $to[$index]) > 0) {
$from[$index] = $to[$index];
}
}
}
$this->string = implode("\n", $from);
$other = implode("\n", $to);
return (new Differ(new UnifiedDiffOutputBuilder("--- Expected\n+++ Actual\n")))->diff($this->string, $other);
}
private function createPatternFromFormat(string $string): string
{
$string = strtr(
preg_quote($string, '/'),
[
'%%' => '%',
'%e' => '\\' . DIRECTORY_SEPARATOR,
'%s' => '[^\r\n]+',
'%S' => '[^\r\n]*',
'%a' => '.+',
'%A' => '.*',
'%w' => '\s*',
'%i' => '[+-]?\d+',
'%d' => '\d+',
'%x' => '[0-9a-fA-F]+',
'%f' => '[+-]?\.?\d+\.?\d*(?:[Ee][+-]?\d+)?',
'%c' => '.',
]
);
return '/^' . $string . '$/s';
}
private function convertNewlines(string $text): string
{
return preg_replace('/\r\n/', "\n", $text);
}
}
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