Class: JSON::Schema::OneOfAttribute

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

Constant Summary

Constants inherited from Attribute

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/oneof.rb', line 6

def self.validate(current_schema, data, fragments, processor, validator, options = {})
  errors = Hash.new { |hsh, k| hsh[k] = [] }

  validation_error_count = 0
  one_of = current_schema.schema['oneOf']

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

  valid = false

  one_of.each_with_index do |element, schema_index|
    schema = JSON::Schema.new(element, current_schema.uri, validator)
    pre_validation_error_count = validation_errors(processor).count
    begin
      schema.validate(data, fragments, processor, options)
      success_data = data.is_a?(Hash) ? data.clone : data
      valid = true
    rescue ValidationError
      valid = false
    end

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

  if validation_error_count == one_of.length - 1
    data = success_data
    return
  end

  if validation_error_count == one_of.length
    message = "The property '#{build_fragment(fragments)}' of type #{type_of_data(data)} did not match any of the required schemas"
  else
    message = "The property '#{build_fragment(fragments)}' of type #{type_of_data(data)} matched more than one of the required schemas"
  end

  validation_error(processor, message, fragments, current_schema, self, options[:record_errors]) if message
  validation_errors(processor).last.sub_errors = errors if message
end