Class: JSON::Schema::AnyOfAttribute

Inherits:
Attribute
  • Object
show all
Defined in:
lib/json-schema/attributes/anyof.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/anyof.rb', line 6

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

  original_data = data.is_a?(Hash) ? data.clone : data

  current_schema.schema['anyOf'].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 anyOf
    # We'll handle this by keeping an error count before and after validation, extracting those errors and pushing them onto a union error
    pre_validation_error_count = validation_errors(processor).count

    begin
      schema.validate(data, fragments, processor, options)
      valid = true
    rescue ValidationError
      # We don't care that these schemas don't validate - we only care that one validated
    end

    diff = validation_errors(processor).count - pre_validation_error_count
    valid = false if diff > 0
    while diff > 0
      diff = diff - 1
      errors["anyOf ##{schema_index}"].push(validation_errors(processor).pop)
    end

    break if valid

    data = original_data
  end

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