Class: JSON::Schema::AllOfAttribute

Inherits:
Attribute
  • Object
show all
Defined in:
lib/json-schema/attributes/allof.rb

Constant Summary

Constants inherited from Attribute

JSON::Schema::Attribute::TYPE_CLASS_MAPPINGS

Class Method Summary collapse

Methods inherited from Attribute

build_fragment, data_valid_for_type?, type_of_data, validation_error, validation_errors

Class Method Details

.validate(current_schema, data, fragments, processor, validator, options = {}) ⇒ Object 



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# File 'lib/json-schema/attributes/allof.rb', line 6

def self.validate(current_schema, data, fragments, processor, validator, options = {})
  # Create an hash to hold errors that are generated during validation
  errors = Hash.new { |hsh, k| hsh[k] = [] }
  valid = true
  message = nil

  current_schema.schema['allOf'].each_with_index do |element, schema_index|
    schema = JSON::Schema.new(element, current_schema.uri, validator)

    # We're going to add a little cruft here to try and maintain any validation errors that occur in the allOf
    # We'll handle this by keeping an error count before and after validation, extracting those errors and pushing them onto an error array
    pre_validation_error_count = validation_errors(processor).count

    begin
      # Cannot raise if noAdditionalProperties is true, we need to
      # evaluate each sub schema within the allOf, before raising.
      if options[:noAdditionalProperties] == true
        schema.validate(data, fragments, processor, options.merge(record_errors: true))
      else
        schema.validate(data, fragments, processor, options)
      end
    rescue ValidationError => e
      valid = false
      message = e.message
    end

    diff = validation_errors(processor).count - pre_validation_error_count

    while diff > 0
      diff -= 1
      errors["allOf ##{schema_index}"].push(validation_errors(processor).pop)
    end
  end

  # Find any properties that are missing across all subschemas.
  common_missing_properties = {}
  if options[:noAdditionalProperties] == true && !errors.empty?
    all_property_errors = errors.values.flatten.map(&:properties)
    common_missing_properties = (all_property_errors.first || []).to_set

    all_property_errors[1..].each do |curr_property_errors|
      common_missing_properties &= curr_property_errors.to_set
    end
  end

  # PropertiesV4Attribute represents errors that would indicate an
  # additional property was detected. If we filter these out, we should
  # be left with errors that are not dependent on any other sub schema.
  non_missing_property_errors = errors.values.flatten.reject do |error|
    error.failed_attribute == JSON::Schema::PropertiesV4Attribute
  end

  if !valid || !non_missing_property_errors.empty? || !common_missing_properties.empty?
    message ||= "The property '#{build_fragment(fragments)}' of type #{type_of_data(data)} did not match all of the required schemas"
    validation_error(processor, message, fragments, current_schema, self, options[:record_errors])
    validation_errors(processor).last.sub_errors = errors
  end
end