Performance improvement in #user

Only make one request when user ID or screen name isn't provided.

lib/twitter/client/users.rb

@@ -85,9 +85,12 @@ def user_search(query, options={})
       #     Twitter.user(7505382)  # Same as above
       def user(*args)
         options = args.last.is_a?(Hash) ? args.pop : {}
-        user = args.pop || self.current_user.screen_name
-        options.merge_user!(user)
-        user = get("/1/users/show.json", options)
+        if user = args.pop
+          options.merge_user!(user)
+          user = get("/1/users/show.json", options)
+        else
+          user = get("/1/account/verify_credentials.json", options)
+        end
         Twitter::User.new(user)
       end
 

spec/twitter/client/users_spec.rb

@@ -180,14 +180,10 @@
       before do
         stub_get("/1/account/verify_credentials.json").
           to_return(:body => fixture("sferik.json"), :headers => {:content_type => "application/json; charset=utf-8"})
-        stub_get("/1/users/show.json").
-          with(:query => {:screen_name => "sferik"}).
-          to_return(:body => fixture("sferik.json"), :headers => {:content_type => "application/json; charset=utf-8"})
       end
       it "should request the correct resource" do
         @client.user
-        a_get("/1/users/show.json").
-          with(:query => {:screen_name => "sferik"}).
+        a_get("/1/account/verify_credentials.json").
           should have_been_made
       end
     end