lib/rails/auth/credentials.rb in rails-auth-2.0.2 vs lib/rails/auth/credentials.rb in rails-auth-2.0.3

@@ -8,11 +8,11 @@
     # Stores a set of credentials
     class Credentials
       extend Forwardable
       include Enumerable
 
-      def_delegators :@credentials, :[], :fetch, :empty?, :key?, :each, :to_hash
+      def_delegators :@credentials, :fetch, :empty?, :key?, :each, :to_hash
 
       def self.from_rack_env(env)
         new(env.fetch(Rails::Auth::Env::CREDENTIALS_ENV_KEY, {}))
       end
 
@@ -20,12 +20,17 @@
         raise TypeError, "expected Hash, got #{credentials.class}" unless credentials.is_a?(Hash)
         @credentials = credentials
       end
 
       def []=(type, value)
+        return if @credentials.key?(type) && @credentials[type] == value
         raise TypeError, "expected String for type, got #{type.class}" unless type.is_a?(String)
         raise AlreadyAuthorizedError, "credential '#{type}' has already been set" if @credentials.key?(type)
         @credentials[type] = value
+      end
+
+      def [](type)
+        @credentials[type.to_s]
       end
     end
   end
 end