Module: ElasticGraph::JSONSchema::MetaSchemaLoader

Defined in:
lib/elastic_graph/json_schema/meta_schema_validator.rb

Overview

Responsible for building Validators that can validate JSON schema definitions.

Class Method Summary collapse

Class Method Details

.load_strict_validator(overrides = {}) ⇒ Object

Builds a validator to validate a JSON schema definition according to the JSON schema meta schema.

Parameters:

  • overrides (Hash<String, Object>) (defaults to: {}) —

    meta schema overrides



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# File 'lib/elastic_graph/json_schema/meta_schema_validator.rb', line 52

def self.load_strict_validator(overrides = {})
  # Downloaded from: https://json-schema.org/draft-07/schema
  schema = ::JSON.parse(::File.read(::File.expand_path("../json_schema_draft_7_schema.json", __FILE__)))
  schema = Support::HashUtil.deep_merge(schema, overrides) unless overrides.empty?

  # The meta schema allows additionalProperties in nearly every place. While a JSON schema definition
  # with additional properties is considered valid, we do not intend to use any additional properties,
  # and any usage of an additional property is almost certainly a typo. So here we set
  # `with_unknown_properties_disallowed`.
  root_schema = ValidatorFactory.new(schema: schema, sanitize_pii: false) # The meta schema has no PII
    .with_unknown_properties_disallowed
    .root_schema

  Validator.new(schema: root_schema, sanitize_pii: false)
end