Pitchart\Phlunit\Constraint\Arrays\IsSubset

Complexity

Total Complexity

7

Size/Duplication

Total Lines	48
Duplicated Lines	0 %

Test Coverage

Coverage

100%

Importance

Changes	1
Bugs	0	Features	0

4 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	3	1
A	evaluate()	0	16	4
A	toString()	0	3	1
A	failureDescription()	0	3	1

<?php declare(strict_types=1);

namespace Pitchart\Phlunit\Constraint\Arrays;

use PHPUnit\Framework\Constraint\Constraint;
use function Pitchart\Transformer\transform;

final class IsSubset extends Constraint
{
    /**
     * @var iterable
     */
    private $set;

    public function __construct(iterable $set)
    {
        $this->set = $set;
    }

    /**
     * @param iterable $other
     * @param string $description
     * @param bool $returnResult
     *
     * @return bool
     */
    public function evaluate($other, string $description = '', bool $returnResult = false): ?bool
    {
        $other = ArrayUtility::toArray($other);
        $set = ArrayUtility::toArray($this->set);

        if (ArrayUtility::isAssociative($other)) {
            $result = \array_diff_assoc($other, $set) === [];
        } else {
            $result = transform($other)->diff($set)->toArray() === [];
        }

        if (!$returnResult && !$result) {
            $this->fail($other, $description);
        }

        return $result;
    }

    /**
     * @return string
     */
    public function toString(): string
    {
        return ' is a subset of ' . $this->exporter()->export($this->set);
    }

    protected function failureDescription($other): string
    {
        return $this->exporter()->export($other) . $this->toString();
    }
}