Fixed tests. removed delegate to id

app/models/key.rb

@@ -14,7 +14,7 @@ class Key < ActiveRecord::Base
   before_save :set_identifier
   after_save :update_repository
   after_destroy :repository_delete_key
-  delegate :id, :name, :email, :to => :user, :prefix => true
+  delegate :name, :email, :to => :user, :prefix => true
 
   def set_identifier
     if is_deploy_key

app/models/project.rb

@@ -117,7 +117,7 @@ class Project < ActiveRecord::Base
       before: oldrev,
       after: newrev,
       ref: ref,
-      user_id: key.user_id,
+      user_id: key.user.id,
       user_name: key.user_name,
       repository: {
         name: name,

app/models/users_project.rb

@@ -16,7 +16,7 @@ class UsersProject < ActiveRecord::Base
   validates_presence_of :user_id
   validates_presence_of :project_id
 
-  delegate :id, :name, :email, :to => :user, :prefix => true
+  delegate :name, :email, :to => :user, :prefix => true
 
   def self.bulk_import(project, user_ids, project_access, repo_access)
     UsersProject.transaction do

app/workers/post_receive.rb

@@ -5,6 +5,9 @@ class PostReceive
     project = Project.find_by_path(reponame)
     return false if project.nil?
 
+    # Ignore push from non-gitlab users
+    return false unless Key.find_by_identifier(author_key_id)
+
     project.observe_push(oldrev, newrev, ref, author_key_id)
     project.execute_web_hooks(oldrev, newrev, ref, author_key_id)
   end