User#friend? another

lib/fb_graph2/edge/friends.rb

@@ -7,6 +7,11 @@ module FbGraph2
           User.new(user[:id], user).authenticate self.access_token
         end
       end
+
+      def friend?(user, params = {})
+        users = self.edge :friends, params, edge_scope: user
+        users.present?
+      end
     end
   end
 end

spec/fb_graph2/edge/friends_spec.rb

@@ -2,8 +2,9 @@ require 'spec_helper'
 
 describe FbGraph2::Edge::Friends do
   context 'included in User' do
+    let(:me) { FbGraph2::User.me('token') }
+
     describe '#friends' do
-      let(:me) { FbGraph2::User.me('token') }
       it 'should return an Array of FbGraph2::User' do
         users = mock_graph :get, 'me/friends', 'user/friends', access_token: 'token' do
           me.friends
@@ -15,5 +16,23 @@ describe FbGraph2::Edge::Friends do
         end
       end
     end
+
+    describe '#friend?' do
+      context 'when is friend' do
+        it do
+          mock_graph :get, 'me/friends/user_id', 'user/friends', access_token: 'token' do
+            me.friend? 'user_id'
+          end.should be true
+        end
+      end
+
+      context 'otherwise' do
+        it do
+          mock_graph :get, 'me/friends/user_id', 'blank_collection', access_token: 'token' do
+            me.friend? 'user_id'
+          end.should be false
+        end
+      end
+    end
   end
 end

spec/fb_graph2/edge/likes_spec.rb

@@ -18,7 +18,7 @@ describe FbGraph2::Edge::Likes do
     end
 
     describe '#liked?' do
-      context 'liked' do
+      context 'when liked' do
         it do
           mock_graph :get, 'me/likes/page_id', 'user/likes', access_token: 'token' do
             me.liked? 'page_id'