Viewing file:  ComparisonFailure.php (2.28 KB) -rw-rw-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\Event\Code;
use function is_bool;
use function is_scalar;
use function print_r;
use PHPUnit\Framework\ExpectationFailedException;
use Throwable;
/**
* @psalm-immutable
*
* @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
*/
final class ComparisonFailure
{
private readonly string $expected;
private readonly string $actual;
private readonly string $diff;
public static function from(Throwable $t): ?self
{
if (!$t instanceof ExpectationFailedException) {
return null;
}
if (!$t->getComparisonFailure()) {
return null;
}
$expectedAsString = $t->getComparisonFailure()->getExpectedAsString();
if (empty($expectedAsString)) {
$expectedAsString = self::mapScalarValueToString($t->getComparisonFailure()->getExpected());
}
$actualAsString = $t->getComparisonFailure()->getActualAsString();
if (empty($actualAsString)) {
$actualAsString = self::mapScalarValueToString($t->getComparisonFailure()->getActual());
}
return new self(
$expectedAsString,
$actualAsString,
$t->getComparisonFailure()->getDiff()
);
}
private function __construct(string $expected, string $actual, string $diff)
{
$this->expected = $expected;
$this->actual = $actual;
$this->diff = $diff;
}
public function expected(): string
{
return $this->expected;
}
public function actual(): string
{
return $this->actual;
}
public function diff(): string
{
return $this->diff;
}
private static function mapScalarValueToString(mixed $value): string
{
if ($value === null) {
return 'null';
}
if (is_bool($value)) {
return $value ? 'true' : 'false';
}
if (is_scalar($value)) {
return print_r($value, true);
}
return '';
}
}
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