Add Allergens to Food

doc/default/food.md

@@ -3,6 +3,8 @@
 Available since version 1.7.0.
 
 ```ruby
+Faker::Food.allergen #=> "Peanuts"
+
 Faker::Food.description #=> "Three eggs with cilantro, tomatoes, onions, avocados and melted Emmental cheese. With a side of roasted potatoes, and your choice of toast or croissant."
 
 Faker::Food.dish #=> "Caesar Salad"

lib/faker/default/food.rb

@@ -5,6 +5,19 @@ class Food < Base
     flexible :food
 
     class << self
+      ##
+      # Retrieves an allergen.
+      #
+      # @return [String]
+      #
+      # @example
+      #   Faker::Food.allergen #=> "Peanuts"
+      #
+      # @faker.version next
+      def allergen
+        fetch('food.allergens')
+      end
+
       ##
       # Retrieves a typical dish from each country.
       #

lib/locales/en/food.yml

@@ -1,6 +1,18 @@
 en:
   faker:
     food:
+      allergens:
+        - Eggs
+        - Milk
+        - Mustard
+        - Peanuts
+        - Crustaceans and molluscs
+        - Fish
+        - Sesame seeds
+        - Soy
+        - Sulphites
+        - Tree Nuts
+        - Wheat and triticale
       dish:
         - Arepas
         - Barbecue Ribs

test/faker/default/test_faker_food.rb

@@ -11,6 +11,10 @@ def test_flexible_key
     assert_equal(:food, @tester.flexible_key)
   end
 
+  def test_allergen
+    assert_match(/\w+/, @tester.allergen)
+  end
+
   def test_dish
     assert_match(/\w+/, @tester.dish)
   end