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<?php
/*
* This file is part of the API Platform project.
*
* (c) Kévin Dunglas <dunglas@gmail.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
declare(strict_types=1);
namespace ApiPlatform\Symfony\Bundle\Test\Constraint;
use JsonSchema\Validator;
use PHPUnit\Framework\Constraint\Constraint;
/**
* Asserts that a JSON document matches a given JSON Schema.
*
* @author Kévin Dunglas <dunglas@gmail.com>
*/
final class MatchesJsonSchema extends Constraint
{
/**
* @var object|array
*/
private $schema;
private $checkMode;
/**
* @param object|array|string $schema
*/
public function __construct($schema, ?int $checkMode = null)
{
$this->schema = \is_string($schema) ? json_decode($schema) : $schema;
$this->checkMode = $checkMode;
}
/**
* {@inheritdoc}
*/
public function toString(): string
{
return 'matches the provided JSON Schema';
}
/**
* {@inheritdoc}
*/
protected function matches($other): bool
{
if (!class_exists(Validator::class)) {
throw new \LogicException('The "justinrainbow/json-schema" library must be installed to use "assertMatchesJsonSchema()". Try running "composer require --dev justinrainbow/json-schema".');
}
$other = $this->normalizeJson($other);
$validator = new Validator();
$validator->validate($other, $this->schema, $this->checkMode);
return $validator->isValid();
}
/**
* {@inheritdoc}
*/
protected function additionalFailureDescription($other): string
{
$other = $this->normalizeJson($other);
$validator = new Validator();
$validator->validate($other, $this->schema, $this->checkMode);
$errors = [];
foreach ($validator->getErrors() as $error) {
$property = $error['property'] ? $error['property'].': ' : '';
$errors[] = $property.$error['message'];
}
return implode("\n", $errors);
}
/**
* Normalizes a JSON document.
*
* Specifically, we should ensure that:
* 1. a JSON object is represented as a PHP object, not as an associative array.
*
* @param mixed $document
*/
private function normalizeJson($document)
{
if (\is_scalar($document) || \is_object($document)) {
return $document;
}
if (!\is_array($document)) {
throw new \InvalidArgumentException('Document must be scalar, array or object.');
}
$document = json_encode($document);
if (!\is_string($document)) {
throw new \UnexpectedValueException('JSON encode failed.');
}
$document = json_decode($document);
if (!\is_array($document) && !\is_object($document)) {
throw new \UnexpectedValueException('JSON decode failed.');
}
return $document;
}
}