Viewing file:  ObjectComparator.php (2.81 KB) -rw-r--r--
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<?php declare(strict_types=1);
/*
* This file is part of sebastian/comparator.
*
* (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 SebastianBergmann\Comparator;
use function assert;
use function in_array;
use function is_object;
use function sprintf;
use function substr_replace;
use SebastianBergmann\Exporter\Exporter;
class ObjectComparator extends ArrayComparator
{
public function accepts(mixed $expected, mixed $actual): bool
{
return is_object($expected) && is_object($actual);
}
/**
* @throws ComparisonFailure
*/
public function assertEquals(mixed $expected, mixed $actual, float $delta = 0.0, bool $canonicalize = false, bool $ignoreCase = false, array &$processed = []): void
{
assert(is_object($expected));
assert(is_object($actual));
if ($actual::class !== $expected::class) {
$exporter = new Exporter;
throw new ComparisonFailure(
$expected,
$actual,
$exporter->export($expected),
$exporter->export($actual),
sprintf(
'%s is not instance of expected class "%s".',
$exporter->export($actual),
$expected::class
)
);
}
// don't compare twice to allow for cyclic dependencies
if (in_array([$actual, $expected], $processed, true) ||
in_array([$expected, $actual], $processed, true)) {
return;
}
$processed[] = [$actual, $expected];
// don't compare objects if they are identical
// this helps to avoid the error "maximum function nesting level reached"
// CAUTION: this conditional clause is not tested
if ($actual !== $expected) {
try {
parent::assertEquals(
$this->toArray($expected),
$this->toArray($actual),
$delta,
$canonicalize,
$ignoreCase,
$processed
);
} catch (ComparisonFailure $e) {
throw new ComparisonFailure(
$expected,
$actual,
// replace "Array" with "MyClass object"
substr_replace($e->getExpectedAsString(), $expected::class . ' Object', 0, 5),
substr_replace($e->getActualAsString(), $actual::class . ' Object', 0, 5),
'Failed asserting that two objects are equal.'
);
}
}
}
protected function toArray(object $object): array
{
return (new Exporter)->toArray($object);
}
}
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