Module: Bosh::Director::ValidationHelper

Instance Method Summary collapse

Instance Method Details

#invalid_type(property, klass, value) ⇒ Object



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# File 'lib/bosh/director/validation_helper.rb', line 49

def invalid_type(property, klass, value)
  raise ValidationInvalidType,
        "Property `#{property}' (value #{value.inspect}) did not match the required type `#{klass}'"
end

#safe_property(hash, property, options = {}) ⇒ Object



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# File 'lib/bosh/director/validation_helper.rb', line 3

def safe_property(hash, property, options = {})
  result = nil

  if hash && !hash.kind_of?(Hash)
    raise Bosh::Director::ValidationInvalidType,
          "Object (#{hash.inspect}) did not match the required type `Hash'"

  elsif hash && hash.has_key?(property)
    result = hash[property]

    if options[:class]
      if options[:class] == :boolean
        unless result.kind_of?(TrueClass) || result.kind_of?(FalseClass)
          invalid_type(property, options[:class], result)
        end

      elsif !result.kind_of?(options[:class])
        if options[:class] == String && result.kind_of?(Numeric)
          result = result.to_s
        else
          invalid_type(property, options[:class], result)
        end
      end
    end

    if options[:min] && result < options[:min]
      raise ValidationViolatedMin,
            "`#{property}' value (#{result.inspect}) should be greater than #{options[:min].inspect}"
    end

    if options[:max] && result > options[:max]
      raise ValidationViolatedMax,
            "`#{property}' value (#{result.inspect}) should be less than #{options[:max].inspect}"
    end

  elsif options[:default]
    result = options[:default]

  elsif !options[:optional]
    raise ValidationMissingField,
          "Required property `#{property}' was not specified in object (#{hash.inspect})"
  end

  result
end