lib/lotus/validations/error.rb in lotus-validations-0.2.3 vs lib/lotus/validations/error.rb in lotus-validations-0.2.4

@@ -2,16 +2,28 @@
   module Validations
     # A single validation error for an attribute
     #
     # @since 0.1.0
     class Error
+      # @since 0.2.4
+      # @api private
+      NAMESPACE_SEPARATOR = '.'.freeze
+
       # The name of the attribute
       #
       # @return [Symbol] the name of the attribute
       #
-      # @since 0.1.0
-      attr_reader :attribute
+      # @since 0.2.4
+      #
+      # @see Lotus::Validations::Error#attribute
+      #
+      # @example
+      #   error = Error.new(:name, :presence, true, nil, 'author')
+      #
+      #   error.attribute      # => "author.name"
+      #   error.attribute_name # => "name"
+      attr_reader :attribute_name
 
       # The name of the validation
       #
       # @return [Symbol] the name of the validation
       #
@@ -30,21 +42,43 @@
       # @return [Object] the actual value
       #
       # @since 0.1.0
       attr_reader :actual
 
+      # Returns the namespaced attribute name
+      #
+      # In cases where the error was pulled up from nested validators,
+      # `attribute` will be a namespaced string containing
+      # parent attribute names separated by a period.
+      #
+      # @since 0.1.0
+      #
+      # @see Lotus::Validations::Error#attribute_name
+      #
+      # @example
+      #   error = Error.new(:name, :presence, true, nil, 'author')
+      #
+      #   error.attribute      # => "author.name"
+      #   error.attribute_name # => "name"
+      attr_accessor :attribute
+
       # Initialize a validation error
       #
-      # @param attribute [Symbol] the name of the attribute
+      # @param attribute_name [Symbol] the name of the attribute
       # @param validation [Symbol] the name of the validation
       # @param expected [Object] the expected value
       # @param actual [Object] the actual value
+      # @param namespace [String] the optional namespace
       #
       # @since 0.1.0
       # @api private
-      def initialize(attribute, validation, expected, actual)
-        @attribute, @validation, @expected, @actual =
-          attribute, validation, expected, actual
+      def initialize(attribute_name, validation, expected, actual, namespace = nil)
+        @attribute_name = attribute_name.to_s
+        @validation = validation
+        @expected = expected
+        @actual = actual
+        @namespace = namespace
+        @attribute = [@namespace, attribute_name].compact.join(NAMESPACE_SEPARATOR)
       end
 
       # Check if self equals to `other`
       #
       # @since 0.1.0