lib/arstotzka/exception.rb in arstotzka-1.3.0 vs lib/arstotzka/exception.rb in arstotzka-1.3.1

@@ -1,8 +1,36 @@
 # frozen_string_literal: true
 
 module Arstotzka
+  # @api private
+  #
+  # Arstotzka exceptions
   module Exception
     # Exception raised when a key in the hash is not found
     class KeyNotFound < StandardError; end
+
+    # Exception raised when configuration for FetcherBuilder is not found
+    class FetcherBuilderNotFound < StandardError
+      # Returns a new instance of FetcherBuilderNotFound
+      #
+      # @param attribute [Symbol] attribute's name
+      # @param klass [Class] Class where the fetcher was being accessed
+      #
+      # @return [FetcherBuilderNotFound]
+      def initialize(attribute, klass)
+        @attribute = attribute
+        @klass = klass
+      end
+
+      # Returns message specifying which attemp created the failure
+      #
+      # @return [String]
+      def message
+        "FetcherBuild not found for #{attribute} on #{klass}"
+      end
+
+      private
+
+      attr_reader :attribute, :klass
+    end
   end
 end