Example of Openapi not valid

[rejinka]

I tried to validate one of the examples provided in https://github.com/OAI/OpenAPI-Specification and it does not validate. The validation error doesn't seem correct to me:

Array
(
    [/webhooks/newPet/post/requestBody/content/application~1json/schema] => Array
        (
            [0] => The required properties (openapi) are missing
        )

)

Here is a small script to reproduce the error:

<?php
declare(strict_types = 1);

require_once __DIR__ . '/vendor/autoload.php';

use Opis\JsonSchema\Validator;
use Opis\JsonSchema\Errors\ErrorFormatter;

$schema = file_get_contents('https://spec.openapis.org/oas/3.1/schema/2021-09-28');
$data   = json_decode(
    file_get_contents(
        'https://github.com/raw/OAI/OpenAPI-Specification/f1adc846131b33be72df6a0c87e5e5da59dde0ff/examples/v3.1/webhook-example.json'
    )
);

$result = (new Validator())
    ->validate($data, $schema);

print_r((new ErrorFormatter())->format($result->error()));

[gskema]

I have the same problem, was playing around with changing oas3.1 schema.
Changed "schema": { "$dynamicRef": "#meta" } to "schema": { "$ref": "#/$defs/schema" } and the changed the definition to "schema": { "$ref": "https://json-schema.org/draft/2020-12/schema" }. After that there were some problem with conditional properties that have default: false, so I removed them and it works.

My use case: I have a lot of endpoints, parameters, servers which are compiled into one final OAS object JSON file which I would like to check against the OAS schema, including any sub (JSON) schemas for parameters, responses, because each bit is written manually and there might be some human mistakes.

[karenetheridge]

it sounds like your evaluator doesn't support the $dynamicRef keyword. Support for that isn't optional, as it's a core part of the specification -- so you might want to file a bug report for that.