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<?php
namespace MyCLabs\Enum\PHPUnit;
use MyCLabs\Enum\Enum;
use SebastianBergmann\Comparator\ComparisonFailure;
/**
* Use this Comparator to get nice output when using PHPUnit assertEquals() with Enums.
*
* Add this to your PHPUnit bootstrap PHP file:
*
* \SebastianBergmann\Comparator\Factory::getInstance()->register(new \MyCLabs\Enum\PHPUnit\Comparator());
*/
final class Comparator extends \SebastianBergmann\Comparator\Comparator
{
public function accepts($expected, $actual)
{
return $expected instanceof Enum && (
$actual instanceof Enum || $actual === null
);
}
/**
* @param Enum $expected
* @param Enum|null $actual
*
* @return void
*/
public function assertEquals($expected, $actual, $delta = 0.0, $canonicalize = false, $ignoreCase = false)
{
if ($expected->equals($actual)) {
return;
}
throw new ComparisonFailure(
$expected,
$actual,
$this->formatEnum($expected),
$this->formatEnum($actual),
false,
'Failed asserting that two Enums are equal.'
);
}
private function formatEnum(Enum $enum = null)
{
if ($enum === null) {
return "null";
}
return get_class($enum)."::{$enum->getKey()}()";
}
}
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