require 'spec_helper' require 'email' describe Enum do let(:enum) { Enum.new(:jake, :finn, :princess_bubblegum, :peppermint_butler) } describe ".[]" do it "looks up a number by symbol" do enum[:princess_bubblegum].should == 3 end it "looks up a symbol by number" do enum[2].should == :finn end end describe ".valid?" do it "returns true if a key exists" do enum.valid?(:finn).should == true end it "returns false if a key does not exist" do enum.valid?(:obama).should == false end end describe ".only" do it "returns only the values we ask for" do enum.only(:jake, :princess_bubblegum).should == { jake: 1, princess_bubblegum: 3 } end end describe ".except" do it "returns everything but the values we ask to delete" do enum.except(:jake, :princess_bubblegum).should == { finn: 2, peppermint_butler: 4 } end end end