An emoji can print its own cheat sheet code

lib/rumoji.rb

@@ -6,22 +6,24 @@
 module Rumoji
   extend self
 
+  # Transform emoji into its cheat-sheet code
   def encode(str)
     remapped_codepoints = str.codepoints.flat_map do |codepoint|
       emoji = Emoji.find_by_codepoint(codepoint)
-      emoji ? ":#{emoji.code}:".codepoints.entries : codepoint
+      emoji ? emoji.code.codepoints.entries : codepoint
     end
     remapped_codepoints.pack("U*")
   end
 
+  # Transform a cheat-sheet code into an Emoji
   def decode(str)
     str.gsub(/:(\S?\w+):/) {|sym| Emoji.find($1.intern).to_s }
   end
 
   def encode_io(readable, writeable=StringIO.new(""))
     readable.each_codepoint do |codepoint|
       emoji = Emoji.find_by_codepoint(codepoint)
-      emoji_or_character = emoji ? ":#{emoji.code}:" : [codepoint].pack("U")
+      emoji_or_character = emoji ? emoji.code : [codepoint].pack("U")
       writeable.write emoji_or_character
     end
     writeable

lib/rumoji/emoji.rb

@@ -10,10 +10,14 @@ def initialize(string, symbols, name = nil)
       @name = name || @cheat_codes.first.to_s.upcase.gsub("_", " ")
     end
 
-    def code
+    def symbol
       @cheat_codes.first
     end
 
+    def code
+      ":#{symbol}:"
+    end
+
     def include?(symbol)
       @cheat_codes.include? symbol.to_sym
     end

spec/rumoji/emoji_spec.rb

@@ -13,7 +13,7 @@
   end
 
   it("has a name") { subject.name.must_equal name }
-  it("has a cheat sheet code") { symbols.must_include subject.code } 
+  it("has a cheat sheet code") { symbols.must_include subject.code[1...-1].intern } 
   it("can test if it includes a cheat sheet code") { symbols.all?{|symbol| subject.include?(symbol) }.must_equal true }
   it("converts to the emoji string") { subject.to_s.must_equal poo_string }
   it("converts to a hex code") { subject.hex.must_equal "1F4A9" }
@@ -51,7 +51,8 @@
       Rumoji::Emoji.new(us_string, symbol, name)
     end
 
-    it("has one code") { subject.code.must_equal symbol }
+    it("has one symbol, representing the code") { subject.symbol.must_equal symbol }
+    it("has one cheat sheet code") { subject.code[1...-1].intern.must_equal symbol }
     it("includes the symbol") { subject.must_include symbol }
     it("transforms to the correct string") { subject.to_s.must_equal us_string }
   end
@@ -66,12 +67,12 @@
     end
 
     it "finds an emoji from a string" do
-      subject.find_by_string(smile_str).code.must_equal smile_sym
+      subject.find_by_string(smile_str).symbol.must_equal smile_sym
     end
 
     it "finds an emoji from a codepoint" do
       smile_str.codepoints.map do |point|
-        subject.find_by_codepoint(point).code.must_equal smile_sym
+        subject.find_by_codepoint(point).symbol.must_equal smile_sym
       end
     end
   end