diff --git a/app/models/concerns/owner.rb b/app/models/concerns/owner.rb
index 7de6f5be6..1245ebf79 100644
--- a/app/models/concerns/owner.rb
+++ b/app/models/concerns/owner.rb
@@ -4,7 +4,7 @@ module Owner
   included do
     validates :owner, presence: true
     after_create do
-      relations.create({ actor_id: owner.id, actor_type: owner.class.to_s, role: 'admin' }, without_protection: true)
+      relations.create(actor: owner, role: 'admin')
     end
   end
 end
diff --git a/app/models/relation.rb b/app/models/relation.rb
index 236a00673..67d4aadea 100644
--- a/app/models/relation.rb
+++ b/app/models/relation.rb
@@ -9,7 +9,7 @@ class Relation < ActiveRecord::Base
 #  validate { errors.add(:actor, :taken) if Relation.where(actor_type: self.actor_type, actor_id: self.actor_id).present? }
   before_validation :add_default_role
 
-  attr_accessible :actor_id, :actor_type, :target_id, :target_type, :role
+  attr_accessible :actor_id, :actor_type, :target_id, :target_type, :actor, :target, :role
 
   scope :by_user_through_groups, ->(u) {
     where("actor_type = 'User' AND actor_id = ? OR actor_type = 'Group' AND actor_id IN (?)", u.id, u.group_ids)
diff --git a/spec/controllers/api/v1/advisories_controller_spec.rb b/spec/controllers/api/v1/advisories_controller_spec.rb
index b8e04f84a..65ee9dec6 100644
--- a/spec/controllers/api/v1/advisories_controller_spec.rb
+++ b/spec/controllers/api/v1/advisories_controller_spec.rb
@@ -132,7 +132,7 @@ describe Api::V1::AdvisoriesController do
   context 'for user who has access to update build_list' do
     before do
       @user = FactoryGirl.create(:user)
-      @build_list.save_to_platform.relations.create(role: 'admin', actor: @user)
+      create_relation @build_list.save_to_platform, @user, 'admin'
       http_login(@user)
     end
 
diff --git a/spec/controllers/api/v1/build_lists_controller_spec.rb b/spec/controllers/api/v1/build_lists_controller_spec.rb
index 12c63adc7..43da9f1cf 100644
--- a/spec/controllers/api/v1/build_lists_controller_spec.rb
+++ b/spec/controllers/api/v1/build_lists_controller_spec.rb
@@ -110,8 +110,8 @@ describe Api::V1::BuildListsController do
         @user = FactoryGirl.create(:user)
         @owner_user = @project.owner
         @member_user = FactoryGirl.create(:user)
-        @project.relations.create(role: 'reader', actor: @member_user)
-        @build_list.save_to_platform.relations.create(role: 'admin', actor: @owner_user) # Why it's really need it??
+        create_relation(@project, @member_user, 'reader')
+        create_relation @build_list.save_to_platform, @owner_user, 'admin' # Why it's really need it??
 
         # Create and show params:
         @create_params = {build_list: @build_list.attributes.symbolize_keys.merge(:qwerty=>'!')} # wrong parameter
@@ -541,7 +541,7 @@ describe Api::V1::BuildListsController do
             @another_user = FactoryGirl.create(:user)
             @build_list.update_column(:status, BuildList::SUCCESS)
             @build_list.save_to_repository.update_column(:publish_without_qa, true)
-            @build_list.project.relations.create!(actor_type: 'User', actor_id: @another_user.id, role: 'writer')
+            create_relation(@build_list.project, @another_user, 'writer')
             http_login(@another_user)
             do_reject_publish
           end
@@ -631,11 +631,11 @@ describe Api::V1::BuildListsController do
         # Groups:
         @owner_group = FactoryGirl.create(:group, owner: @owner_user)
         @member_group = FactoryGirl.create(:group)
-        @member_group.actors.create role: 'reader', actor_id: @member_user.id, actor_type: 'User'
+        create_actor_relation(@member_group, @member_user, 'reader')
 
         @group = FactoryGirl.create(:group)
         @user = FactoryGirl.create(:user)
-        @group.actors.create role: 'reader', actor_id: @user.id, actor_type: 'User'
+        create_actor_relation(@group, @user, 'reader')
 
         old_path = @project.path
         @project.owner = @owner_group
@@ -643,10 +643,10 @@ describe Api::V1::BuildListsController do
         # Move GIT repo into new folder
         system "mkdir -p #{@project.path} && mv -f #{old_path}/* #{@project.path}/"
 
-        @project.relations.create role: 'reader', actor_id: @member_group.id, actor_type: 'Group'
-        @project.relations.create role: 'admin', actor_id: @owner_group.id, actor_type: 'Group'
-        @build_list.save_to_platform.relations.create(role: 'admin', actor: @owner_group) # Why it's really need it??
-        @build_list.save_to_platform.relations.create(role: 'reader', actor: @member_group) # Why it's really need it??
+        create_relation(@project, @member_group, 'reader')
+        create_relation(@project, @owner_group, 'admin')
+        create_relation(@build_list.save_to_platform, @owner_group, 'admin') # Why it's really need it??
+        create_relation(@build_list.save_to_platform, @member_group, 'reader')  # Why it's really need it??
 
         http_login(@user)
       end
@@ -704,7 +704,7 @@ describe Api::V1::BuildListsController do
 
       @build_list4 = FactoryGirl.create(:build_list)
       @build_list4.project.update_column(:visibility, 'hidden')
-      @build_list4.project.relations.create! role: 'reader', actor_id: @user.id, actor_type: 'User'
+      create_relation(@build_list4, @user, 'reader')
 
       @filter_build_list1 = FactoryGirl.create(:build_list)
       @filter_build_list2 = FactoryGirl.create(:build_list)
@@ -787,8 +787,8 @@ describe Api::V1::BuildListsController do
         stub_symlink_methods
         @owner_user = @project.owner
         @member_user = FactoryGirl.create(:user)
-        @project.relations.create(role: 'reader', actor: @member_user)
-        @build_list.save_to_platform.relations.create(role: 'admin', actor: @owner_user) # Why it's really need it??
+        create_relation(@project, @member_user, 'reader')
+        create_relation(@build_list.save_to_platform, @owner_user, 'admin') # Why it's really need it??
 
         # Show params:
         @show_params = {id: @build_list.id, format: :json}
@@ -843,7 +843,6 @@ describe Api::V1::BuildListsController do
         stub_symlink_methods
         @owner_user = @project.owner#FactoryGirl.create(:user)
         @member_user = FactoryGirl.create(:user)
-        #@project.relations.create(role: 'reader', actor: @member_user)
 
         # Show params:
         @show_params = {id: @build_list.id, format: :json}
@@ -851,17 +850,10 @@ describe Api::V1::BuildListsController do
         # Groups:
         @owner_group = FactoryGirl.create(:group, owner: @owner_user)
         @member_group = FactoryGirl.create(:group)
-        @member_group.actors.create role: 'reader', actor_id: @member_user.id, actor_type: 'User'
+        create_actor_relation(@member_group, @member_user, 'reader')
         @group = FactoryGirl.create(:group)
-        @group.actors.create role: 'reader', actor_id: @user.id, actor_type: 'User'
-
-        #@project = FactoryGirl.create(:project, owner: @owner_group, repositories: @platform.repositories)
-
-        #@project.owner = @owner_group
-        #@project.save
-        @project.relations.create role: 'reader', actor_id: @member_group.id, actor_type: 'Group'
-        #@build_list.save_to_platform.relations.create(role: 'reader', actor: @member_group) # Why it's really need it??
-        #@build_list.save_to_platform.relations.create(role: 'admin', actor: @owner_group) # Why it's really need it??
+        create_actor_relation(@group, @user, 'reader')
+        create_relation(@project, @member_group, 'reader')
       end
 
       context 'for open project' do
diff --git a/spec/controllers/api/v1/issues_controller_spec.rb b/spec/controllers/api/v1/issues_controller_spec.rb
index 477a2a2ad..4d771d8d4 100644
--- a/spec/controllers/api/v1/issues_controller_spec.rb
+++ b/spec/controllers/api/v1/issues_controller_spec.rb
@@ -11,7 +11,7 @@ describe Api::V1::IssuesController do
 
     @membered_issue = FactoryGirl.create(:issue)
     @membered_project = @membered_issue.project
-    @membered_project.relations.create(role: 'reader', actor: @issue.user)
+    create_relation(@membered_project, @issue.user, 'reader')
 
     @open_issue = FactoryGirl.create(:issue)
     @open_project = @open_issue.project
diff --git a/spec/controllers/api/v1/platforms_controller_spec.rb b/spec/controllers/api/v1/platforms_controller_spec.rb
index c3dd173a3..8120589d6 100644
--- a/spec/controllers/api/v1/platforms_controller_spec.rb
+++ b/spec/controllers/api/v1/platforms_controller_spec.rb
@@ -365,7 +365,7 @@ describe Api::V1::PlatformsController do
     before do
       http_login(@user)
       @platform.owner = @user; @platform.save
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@platform, @user, 'admin')
     end
 
     it_should_behave_like 'api platform user with reader rights'
diff --git a/spec/controllers/api/v1/product_build_lists_controller.rb b/spec/controllers/api/v1/product_build_lists_controller.rb
index faeeb4bd5..406e9d8e9 100644
--- a/spec/controllers/api/v1/product_build_lists_controller.rb
+++ b/spec/controllers/api/v1/product_build_lists_controller.rb
@@ -57,7 +57,7 @@ end
 
 shared_examples_for 'api user with admin rights' do
   before(:each) do
-    @product_build_list.product.platform.relations.create!(actor_type: 'User', actor_id: @another_user.id, role: 'admin')
+    create_relation(@product_build_list.product.platform, @another_user, 'admin')
     http_login(@another_user)
     commit_hash = @product_build_list.project.repo.commits.first.id
     params = {product_id: @product_build_list.product_id, arch_id: Arch.last.id,
diff --git a/spec/controllers/api/v1/products_controller_spec.rb b/spec/controllers/api/v1/products_controller_spec.rb
index 9d5809c3a..15a579509 100644
--- a/spec/controllers/api/v1/products_controller_spec.rb
+++ b/spec/controllers/api/v1/products_controller_spec.rb
@@ -57,7 +57,7 @@ end
 
 shared_examples_for 'api user with admin rights' do
   before(:each) do
-    @product.platform.relations.create!(actor_type: 'User', actor_id: @another_user.id, role: 'admin')
+    create_relation(@product.platform, @another_user, 'admin')
     http_login(@another_user)
     params = {platform_id: @product.platform.id, project_id: @product.project.id}
     @create_params = {product:{name: 'pro', time_living: 150}.merge(params)}
diff --git a/spec/controllers/api/v1/projects_controller_spec.rb b/spec/controllers/api/v1/projects_controller_spec.rb
index 9934856b6..1f5d28175 100644
--- a/spec/controllers/api/v1/projects_controller_spec.rb
+++ b/spec/controllers/api/v1/projects_controller_spec.rb
@@ -326,13 +326,13 @@ describe Api::V1::ProjectsController do
 
       it 'writer group should be able to create project for their group' do
         group = FactoryGirl.create(:group)
-        group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'writer')
+        create_actor_relation(group, @muser, 'writer')
         lambda { post :create, params.deep_merge({project: {owner_type: 'Group', owner_id: group.id}})}.should change{ Project.count }.by(1)
       end
 
       it 'reader group should not be able to create project for their group' do
         group = FactoryGirl.create(:group)
-        group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'reader')
+        create_actor_relation(@group, @user, 'reader')
         lambda { post :create, params.deep_merge({project: {owner_type: 'Group', owner_id: group.id}})}.should change{ Project.count }.by(0)
       end
     end
@@ -347,13 +347,13 @@ describe Api::V1::ProjectsController do
     context 'group writer' do
       it 'should be able to fork project to their group' do
         group = FactoryGirl.create(:group)
-        group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'writer')
+        create_actor_relation(group, @user, 'writer')
         lambda {post :fork, id: @project.id, group_id: group.id}.should change{ Project.count }.by(1)
       end
 
       it 'should be able to fork project with different name to their group' do
         group = FactoryGirl.create(:group)
-        group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'writer')
+        create_actor_relation(group, @user, 'writer')
         new_name = @project.name + '_forked'
         lambda { post :fork, id: @project.id, group_id: group.id, fork_name: new_name }.should
           change { Project.where(name: new_name).count }.by(1)
@@ -363,14 +363,14 @@ describe Api::V1::ProjectsController do
     context 'group reader' do
       it 'should not be able to fork project to their group' do
         group = FactoryGirl.create(:group)
-        group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'reader')
+        create_actor_relation(group, @user, 'reader')
         lambda {post :fork, id: @project.id, group_id: group.id}.should change{ Project.count }.by(0)
       end
 
       it 'should not be able to fork project with different name to their group' do
         group = FactoryGirl.create(:group)
         new_name = @project.name + '_forked'
-        group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'reader')
+        create_actor_relation(group, @user, 'reader')
         lambda { post :fork, id: @project.id, group_id: group.id, fork_name: new_name }.should
           change{ Project.where(name: new_name.count) }.by(0)
       end
@@ -410,7 +410,7 @@ describe Api::V1::ProjectsController do
     before(:each) do
       @user = FactoryGirl.create(:user)
       http_login(@user)
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_relation(@project, @user, 'reader')
     end
 
     it_should_behave_like 'api projects user with reader rights'
@@ -425,7 +425,7 @@ describe Api::V1::ProjectsController do
     before(:each) do
       @user = FactoryGirl.create(:user)
       http_login(@user)
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'writer')
+      create_relation(@project, @user, 'writer')
     end
 
     it_should_behave_like 'api projects user with reader rights'
@@ -459,9 +459,7 @@ describe Api::V1::ProjectsController do
       end
 
       context 'reader user' do
-        before(:each) do
-          @group.actors.create(actor_id: @group_user.id, actor_type: 'User', role: 'reader')
-        end
+        before(:each) { create_actor_relation(@group, @group_user, 'reader') }
 
         it_should_behave_like 'api projects user with reader rights'
         it_should_behave_like 'api projects user with reader rights for hidden project'
@@ -472,9 +470,7 @@ describe Api::V1::ProjectsController do
       end
 
       context 'admin user' do
-        before(:each) do
-          @group.actors.create(actor_id: @group_user.id, actor_type: 'User', role: 'admin')
-        end
+        before(:each) { create_actor_relation(@group, @group_user, 'admin') }
 
         it_should_behave_like 'api projects user with reader rights'
         it_should_behave_like 'api projects user with reader rights for hidden project'
@@ -488,13 +484,11 @@ describe Api::V1::ProjectsController do
     context 'member of the project' do
       context 'with admin rights' do
         before(:each) do
-          @project.relations.create actor_id: @group.id, actor_type: @group.class.to_s, role: 'admin'
+          create_relation(@project, @group, 'admin')
         end
 
         context 'reader user' do
-          before(:each) do
-            @group.actors.create(actor_id: @group_user.id, actor_type: 'User', role: 'reader')
-          end
+          before(:each) { create_actor_relation(@group, @group_user, 'reader') }
 
           it_should_behave_like 'api projects user with reader rights'
           it_should_behave_like 'api projects user with reader rights for hidden project'
@@ -505,9 +499,7 @@ describe Api::V1::ProjectsController do
         end
 
         context 'admin user' do
-          before(:each) do
-            @group.actors.create(actor_id: @group_user.id, actor_type: 'User', role: 'admin')
-          end
+          before(:each) { create_actor_relation(@group, @group_user, 'admin') }
 
           it_should_behave_like 'api projects user with reader rights'
           it_should_behave_like 'api projects user with reader rights for hidden project'
@@ -519,14 +511,10 @@ describe Api::V1::ProjectsController do
       end
 
       context 'with reader rights' do
-        before(:each) do
-          @project.relations.create actor_id: @group.id, actor_type: @group.class.to_s, role: 'reader'
-        end
+        before(:each) { create_relation(@project, @group, 'reader') }
 
         context 'reader user' do
-          before(:each) do
-            @group.actors.create(actor_id: @group_user.id, actor_type: 'User', role: 'reader')
-          end
+          before(:each) { create_actor_relation(@group, @group_user, 'reader') }
 
           it_should_behave_like 'api projects user with reader rights'
           it_should_behave_like 'api projects user with reader rights for hidden project'
@@ -536,9 +524,8 @@ describe Api::V1::ProjectsController do
           it_should_behave_like 'api projects user without owner rights'
 
           context 'user should has best role' do
-            before(:each) do
-              @project.relations.create actor_id: @group_user.id, actor_type: @group_user.class.to_s, role: 'admin'
-            end
+            before(:each) { create_relation(@project, @group_user, 'admin') }
+
             it_should_behave_like 'api projects user with reader rights'
             it_should_behave_like 'api projects user with fork rights'
             it_should_behave_like 'api projects user with fork rights for hidden project'
@@ -548,9 +535,7 @@ describe Api::V1::ProjectsController do
         end
 
         context 'admin user' do
-          before(:each) do
-            @group.actors.create(actor_id: @group_user.id, actor_type: 'User', role: 'admin')
-          end
+          before(:each) { create_actor_relation(@group, @group_user, 'admin') }
 
           it_should_behave_like 'api projects user with reader rights'
           it_should_behave_like 'api projects user with reader rights for hidden project'
diff --git a/spec/controllers/api/v1/pull_requests_controller.rb b/spec/controllers/api/v1/pull_requests_controller.rb
index 52e45d68a..63f846eb5 100644
--- a/spec/controllers/api/v1/pull_requests_controller.rb
+++ b/spec/controllers/api/v1/pull_requests_controller.rb
@@ -29,7 +29,7 @@ describe Api::V1::PullRequestsController do
 
     @membered_project = FactoryGirl.create(:project_with_commit)
     @membered_pull = create_pull 'master', 'non_conflicts', @membered_project.owner, @membered_project
-    @membered_project.relations.create(role: 'reader', actor: @pull.user)
+    create_relation(@membered_project, @pull.user, 'reader')
 
     @create_params = {pull_request: {title: 'title', body: 'body',
                                         from_ref: 'conflicts', to_ref: 'master'},
@@ -276,11 +276,11 @@ describe Api::V1::PullRequestsController do
   context 'send email messages' do
     before(:each) do
       @project_reader = FactoryGirl.create :user
-      @project.relations.create!(actor_type: 'User', actor_id: @project_reader.id, role: 'reader')
+      create_relation(@project, @project_reader, 'reader')
       @project_admin = FactoryGirl.create :user
-      @project.relations.create!(actor_type: 'User', actor_id: @project_admin.id, role: 'admin')
+      create_relation(@project, @project_admin, 'admin')
       @project_writer = FactoryGirl.create :user
-      @project.relations.create!(actor_type: 'User', actor_id: @project_writer.id, role: 'writer')
+      create_relation(@project, @project_writer, 'writer')
 
       http_login(@project_writer)
       ActionMailer::Base.deliveries = []
diff --git a/spec/controllers/api/v1/repositories_controller_spec.rb b/spec/controllers/api/v1/repositories_controller_spec.rb
index e8aabfb97..cf927fe8e 100644
--- a/spec/controllers/api/v1/repositories_controller_spec.rb
+++ b/spec/controllers/api/v1/repositories_controller_spec.rb
@@ -351,7 +351,7 @@ describe Api::V1::RepositoriesController do
       [@repository, @personal_repository].each do |repository|
         platform = repository.platform
         platform.owner = @user; platform.save
-        repository.platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+        create_relation(repository.platform, @user, 'admin')
       end
     end
 
diff --git a/spec/controllers/groups/members_controller_spec.rb b/spec/controllers/groups/members_controller_spec.rb
index c33410971..9b27b94c5 100644
--- a/spec/controllers/groups/members_controller_spec.rb
+++ b/spec/controllers/groups/members_controller_spec.rb
@@ -35,7 +35,7 @@ describe Groups::MembersController do
   context 'for admin user' do
     before(:each) do
       @admin_user = FactoryGirl.create(:user)
-      @group.actors.create(actor_id: @admin_user.id, actor_type: 'User', role: 'admin')
+      create_actor_relation(@group, @admin_user, 'admin')
       set_session_for @admin_user
     end
 
@@ -68,7 +68,7 @@ describe Groups::MembersController do
   context 'for writer user' do
     before(:each) do
       @writer_user = FactoryGirl.create(:user)
-      @group.actors.create(actor_id: @writer_user.id, actor_type: 'User', role: 'writer')
+      create_actor_relation(@group, @writer_user, 'writer')
       set_session_for @writer_user
     end
 
diff --git a/spec/controllers/groups/profile_controller_spec.rb b/spec/controllers/groups/profile_controller_spec.rb
index 191168e75..192f0c0b1 100644
--- a/spec/controllers/groups/profile_controller_spec.rb
+++ b/spec/controllers/groups/profile_controller_spec.rb
@@ -129,7 +129,7 @@ describe Groups::ProfileController do
     before(:each) do
       @user = FactoryGirl.create(:user)
       set_session_for(@user)
-      @group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_actor_relation(@group, @user, 'admin')
     end
 
     it_should_behave_like 'group user with project show rights'
@@ -144,7 +144,7 @@ describe Groups::ProfileController do
       set_session_for(@user)
       @group.owner = @user
       @group.save
-      @group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_actor_relation(@group, @user, 'admin')
     end
 
     it_should_behave_like 'group user with project show rights'
@@ -156,7 +156,7 @@ describe Groups::ProfileController do
     before(:each) do
       @user = FactoryGirl.create(:user)
       set_session_for(@user)
-      @group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_actor_relation(@group, @user, 'reader')
     end
 
     it "should remove user from groups" do
diff --git a/spec/controllers/platforms/contents_controller_spec.rb b/spec/controllers/platforms/contents_controller_spec.rb
index e1e9603b7..ab01ca3ba 100644
--- a/spec/controllers/platforms/contents_controller_spec.rb
+++ b/spec/controllers/platforms/contents_controller_spec.rb
@@ -67,7 +67,7 @@ describe Platforms::ContentsController do
     before do
       http_login(@user)
       @platform.owner = @user; @platform.save
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@platform, @user, 'admin')
     end
 
     it_should_behave_like 'content platform user with show rights'
diff --git a/spec/controllers/platforms/key_pairs_controller_spec.rb b/spec/controllers/platforms/key_pairs_controller_spec.rb
index 750db5441..e6ed0ff74 100644
--- a/spec/controllers/platforms/key_pairs_controller_spec.rb
+++ b/spec/controllers/platforms/key_pairs_controller_spec.rb
@@ -139,7 +139,7 @@ describe Platforms::KeyPairsController do
     before(:each) do
       @user = FactoryGirl.create(:user)
       set_session_for(@user)
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@platform, @user, 'admin')
     end
 
     it_should_behave_like 'key_pair platform owner'
@@ -149,7 +149,7 @@ describe Platforms::KeyPairsController do
     before(:each) do
       @user = FactoryGirl.create(:user)
       set_session_for(@user)
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_relation(@platform, @user, 'reader')
     end
 
     it_should_behave_like 'key_pair platform reader'
diff --git a/spec/controllers/platforms/maintainers_controller_spec.rb b/spec/controllers/platforms/maintainers_controller_spec.rb
index 6e1cf6176..a8e7bdb6d 100644
--- a/spec/controllers/platforms/maintainers_controller_spec.rb
+++ b/spec/controllers/platforms/maintainers_controller_spec.rb
@@ -57,12 +57,10 @@ describe Platforms::MaintainersController do
 
   context 'for platform member' do
     before(:each) do
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@platform, @user, 'admin')
     end
 
     it_should_behave_like 'guest user'
   end
 
 end
-
-
diff --git a/spec/controllers/platforms/mass_builds_controller_spec.rb b/spec/controllers/platforms/mass_builds_controller_spec.rb
index 6896255f5..2389022f0 100644
--- a/spec/controllers/platforms/mass_builds_controller_spec.rb
+++ b/spec/controllers/platforms/mass_builds_controller_spec.rb
@@ -213,7 +213,7 @@ describe Platforms::MassBuildsController do
     before(:each) do
       @user = FactoryGirl.create(:user)
       set_session_for(@user)
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@platform, @user, 'admin')
     end
 
     it_should_behave_like 'mass_build platform owner'
@@ -224,7 +224,7 @@ describe Platforms::MassBuildsController do
     before(:each) do
       @user = FactoryGirl.create(:user)
       set_session_for(@user)
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_relation(@platform, @user, 'reader')
     end
 
     it_should_behave_like 'mass_build platform reader'
diff --git a/spec/controllers/platforms/platforms_controller_spec.rb b/spec/controllers/platforms/platforms_controller_spec.rb
index b30b1066e..9eaf9d9e6 100644
--- a/spec/controllers/platforms/platforms_controller_spec.rb
+++ b/spec/controllers/platforms/platforms_controller_spec.rb
@@ -353,7 +353,7 @@ describe Platforms::PlatformsController do
     before do
       http_login(@user)
       @platform.owner = @user; @platform.save
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@platform, @user, 'admin')
     end
 
     it_should_behave_like 'platform user with reader rights'
diff --git a/spec/controllers/platforms/product_build_lists_controller_spec.rb b/spec/controllers/platforms/product_build_lists_controller_spec.rb
index d976eb6c4..06e3c9a80 100644
--- a/spec/controllers/platforms/product_build_lists_controller_spec.rb
+++ b/spec/controllers/platforms/product_build_lists_controller_spec.rb
@@ -145,7 +145,7 @@ describe Platforms::ProductBuildListsController do
       before(:each) do
         @user = FactoryGirl.create(:user)
         set_session_for(@user)
-        @product.platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+        create_relation(@product.platform, @user, 'admin')
       end
 
       it_should_behave_like 'product build list admin'
diff --git a/spec/controllers/platforms/products_controller_spec.rb b/spec/controllers/platforms/products_controller_spec.rb
index 95cbf03ab..0aaa11d2f 100644
--- a/spec/controllers/platforms/products_controller_spec.rb
+++ b/spec/controllers/platforms/products_controller_spec.rb
@@ -93,7 +93,7 @@ describe Platforms::ProductsController do
 
   context 'for admin relation user' do
     before(:each) do
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@platform, @user, 'admin')
     end
 
     it_should_behave_like 'admin user'
diff --git a/spec/controllers/platforms/repositories_controller_spec.rb b/spec/controllers/platforms/repositories_controller_spec.rb
index 1392c9f71..dc7165b33 100644
--- a/spec/controllers/platforms/repositories_controller_spec.rb
+++ b/spec/controllers/platforms/repositories_controller_spec.rb
@@ -96,7 +96,7 @@ shared_examples_for 'registered user or guest' do
   end
 
   it 'should not be able to remove member from repository' do
-    @repository.relations.create(role: 'admin', actor: @another_user)
+    create_relation(@repository, @another_user, 'admin')
     delete :remove_member, id: @repository.id, platform_id: @platform.id, member_id: @another_user.id
     response.should redirect_to(redirect_path)
     @repository.members.should include(@another_user)
@@ -104,8 +104,8 @@ shared_examples_for 'registered user or guest' do
 
   it 'should not be able to remove members from repository' do
     another_user2 = FactoryGirl.create(:user)
-    @repository.relations.create(role: 'admin', actor: @another_user)
-    @repository.relations.create(role: 'admin', actor: another_user2)
+    create_relation(@repository, @another_user, 'admin')
+    create_relation(@repository, @another_user2, 'admin')
     post :remove_members, id: @repository.id, platform_id: @platform.id,
       user_remove: {@another_user.id => [1], another_user2.id => [1]}
     response.should redirect_to(redirect_path)
@@ -195,7 +195,7 @@ shared_examples_for 'platform admin user' do
   end
 
   it 'should be able to remove member from repository' do
-    @repository.relations.create(role: 'admin', actor: @another_user)
+    create_relation(@repository, @another_user, 'admin')
     delete :remove_member, id: @repository.id, platform_id: @platform.id, member_id: @another_user.id
     response.should redirect_to(edit_platform_repository_path(@repository.platform, @repository))
     @repository.members.should_not include(@another_user)
@@ -203,8 +203,8 @@ shared_examples_for 'platform admin user' do
 
   it 'should be able to remove members from repository' do
     another_user2 = FactoryGirl.create(:user)
-    @repository.relations.create(role: 'admin', actor: @another_user)
-    @repository.relations.create(role: 'admin', actor: another_user2)
+    create_relation(@repository, @another_user, 'admin')
+    create_relation(@repository, @another_user2, 'admin')
     post :remove_members, id: @repository.id, platform_id: @platform.id,
       user_remove: {@another_user.id => [1], another_user2.id => [1]}
     response.should redirect_to(edit_platform_repository_path(@repository.platform, @repository))
@@ -309,7 +309,7 @@ describe Platforms::RepositoriesController do
   context 'for platform member user' do
     before(:each) do
       [@repository, @personal_repository].each do |repo|
-        repo.platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+        create_relation(repo.platform, @user, 'admin')
       end
     end
 
diff --git a/spec/controllers/platforms/tokens_controller_spec.rb b/spec/controllers/platforms/tokens_controller_spec.rb
index 45d002b2a..e520a48ed 100644
--- a/spec/controllers/platforms/tokens_controller_spec.rb
+++ b/spec/controllers/platforms/tokens_controller_spec.rb
@@ -95,7 +95,7 @@ describe Platforms::TokensController do
     before(:each) do
       @user = FactoryGirl.create(:user)
       set_session_for(@user)
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@platform, @user, 'admin')
     end
 
     it_should_behave_like 'token of platform for owner'
@@ -105,7 +105,7 @@ describe Platforms::TokensController do
     before do
       @user = FactoryGirl.create(:user)
       set_session_for(@user)
-      @platform.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_relation(@platform, @user, 'reader')
     end
 
     it_should_behave_like 'token of platform for simple user or guest' do
diff --git a/spec/controllers/projects/build_lists_controller_spec.rb b/spec/controllers/projects/build_lists_controller_spec.rb
index 69b3e961c..4e17a4690 100644
--- a/spec/controllers/projects/build_lists_controller_spec.rb
+++ b/spec/controllers/projects/build_lists_controller_spec.rb
@@ -116,9 +116,8 @@ describe Projects::BuildListsController do
         @project = @build_list.project
         @owner_user = @project.owner
         @member_user = FactoryGirl.create(:user)
-        rel = @project.relations.build(role: 'reader')
-        rel.actor = @member_user
-        rel.save
+        create_relation(@project, @member_user, 'reader')
+
         @user = FactoryGirl.create(:user)
         set_session_for(@user)
         @show_params = {owner_name: @project.owner.uname, project_name: @project.name, id: @build_list.id}
@@ -205,7 +204,7 @@ describe Projects::BuildListsController do
             @writer_user = FactoryGirl.create(:user)
             @build_list.update_column(:status, BuildList::SUCCESS)
             @build_list.save_to_repository.update_column(:publish_without_qa, true)
-            @build_list.project.relations.create!(actor_type: 'User', actor_id: @writer_user.id, role: 'writer')
+            create_relation(@build_list.project, @writer_user, 'writer')
             set_session_for(@writer_user)
             do_reject_publish
           end
@@ -232,7 +231,7 @@ describe Projects::BuildListsController do
 
           @build_list4 = FactoryGirl.create(:build_list)
           @build_list4.project.update_column(:visibility, 'hidden')
-          @build_list4.project.relations.create! role: 'reader', actor_id: @user.id, actor_type: 'User'
+          create_relation(@build_list4.project, @user, 'reader')
         end
 
         it 'should be able to perform index action' do
@@ -314,8 +313,8 @@ describe Projects::BuildListsController do
 
         @member_group = FactoryGirl.create(:group)
         @member_user = FactoryGirl.create(:user)
-        @member_group.actors.create role: 'reader', actor_id: @member_user.id, actor_type: 'User'
-        @project.relations.create role: 'reader', actor_id: @member_group.id, actor_type: 'Group'
+        create_actor_relation(@member_group, @member_user, 'reader')
+        create_relation(@project, @member_group, 'reader')
 
         @show_params = {owner_name: @project.owner.uname, project_name: @project.name, id: @build_list.id}
       end
@@ -332,7 +331,7 @@ describe Projects::BuildListsController do
 
           @build_list4 = FactoryGirl.create(:build_list)
           @build_list4.project.update_column(:visibility, 'hidden')
-          @build_list4.project.relations.create! role: 'reader', actor_id: @user.id, actor_type: 'User'
+          create_relation(@build_list4.project, @user, 'reader')
         end
 
         it 'should be able to perform index action' do
diff --git a/spec/controllers/projects/collaborators_controller_spec.rb b/spec/controllers/projects/collaborators_controller_spec.rb
index 68e4dc381..1019a2d30 100644
--- a/spec/controllers/projects/collaborators_controller_spec.rb
+++ b/spec/controllers/projects/collaborators_controller_spec.rb
@@ -104,7 +104,7 @@ describe Projects::CollaboratorsController do
 
   context 'for admin user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@project, @user, 'admin')
     end
 
     it_should_behave_like 'project admin user'
@@ -121,7 +121,7 @@ describe Projects::CollaboratorsController do
 
   context 'for reader user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_relation(@project, @user, 'reader')
     end
 
     it_should_behave_like 'user with no rights for this project'
@@ -129,7 +129,7 @@ describe Projects::CollaboratorsController do
 
   context 'for writer user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'writer')
+      create_relation(@project, @user, 'writer')
     end
 
     it_should_behave_like 'user with no rights for this project'
diff --git a/spec/controllers/projects/comments_controller_for_commit_spec.rb b/spec/controllers/projects/comments_controller_for_commit_spec.rb
index ac1749b4c..c45e31a1d 100644
--- a/spec/controllers/projects/comments_controller_for_commit_spec.rb
+++ b/spec/controllers/projects/comments_controller_for_commit_spec.rb
@@ -20,7 +20,7 @@ describe Projects::CommentsController do
 
   context 'for project admin user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@project, @user, 'admin')
     end
 
     it_should_behave_like 'user with create comment ability'
@@ -43,7 +43,7 @@ describe Projects::CommentsController do
 
   context 'for project reader user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_relation(@project, @user, 'reader')
     end
 
    it_should_behave_like 'user with create comment ability'
@@ -54,7 +54,7 @@ describe Projects::CommentsController do
 
   context 'for project writer user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'writer')
+      create_relation(@project, @user, 'writer')
     end
 
    it_should_behave_like 'user with create comment ability'
diff --git a/spec/controllers/projects/comments_controller_spec.rb b/spec/controllers/projects/comments_controller_spec.rb
index 64bebb98f..c1a92d524 100644
--- a/spec/controllers/projects/comments_controller_spec.rb
+++ b/spec/controllers/projects/comments_controller_spec.rb
@@ -38,7 +38,7 @@ describe Projects::CommentsController do
 
   context 'for project admin user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@project, @user, 'admin')
     end
 
     it_should_behave_like 'user with create comment ability'
@@ -60,7 +60,7 @@ describe Projects::CommentsController do
 
   context 'for project reader user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_relation(@project, @user, 'reader')
     end
 
    it_should_behave_like 'user with create comment ability'
@@ -71,7 +71,7 @@ describe Projects::CommentsController do
 
   context 'for project writer user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'writer')
+      create_relation(@project, @user, 'writer')
     end
 
    it_should_behave_like 'user with create comment ability'
diff --git a/spec/controllers/projects/git/git_trees_controller_spec.rb b/spec/controllers/projects/git/git_trees_controller_spec.rb
index d1a756b44..660dda4a8 100644
--- a/spec/controllers/projects/git/git_trees_controller_spec.rb
+++ b/spec/controllers/projects/git/git_trees_controller_spec.rb
@@ -100,7 +100,7 @@ describe Projects::Git::TreesController do
   context 'for writer user' do
     before(:each) do
       user = FactoryGirl.create(:user)
-      @project.relations.create!(actor_type: 'User', actor_id: user.id, role: 'writer')
+      create_relation(@project, @user, 'writer')
       set_session_for user
     end
 
diff --git a/spec/controllers/projects/hooks_controller_spec.rb b/spec/controllers/projects/hooks_controller_spec.rb
index eb9432a08..40d27a87c 100644
--- a/spec/controllers/projects/hooks_controller_spec.rb
+++ b/spec/controllers/projects/hooks_controller_spec.rb
@@ -94,14 +94,14 @@ describe Projects::HooksController do
 
     context 'for reader user' do
       before do
-        @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+        create_relation(@project, @user, 'reader')
       end
       it_should_behave_like 'hooks user without project admin rights'
     end
 
     context 'for writer user' do
       before do
-        @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'writer')
+        create_relation(@project, @user, 'writer')
       end
       it_should_behave_like 'hooks user without project admin rights'
     end
@@ -120,82 +120,59 @@ describe Projects::HooksController do
       end
 
       context 'group member user with reader role' do
-        before do
-          @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'reader')
-        end
+        before do { create_actor_relation(@group, @auser, 'reader') }
 
         it_should_behave_like 'hooks user without project admin rights'
 
         context 'user should has best role' do
-          before do
-            @project.relations.create actor_id: @user.id, actor_type: @user.class.to_s, role: 'admin'
-          end
+          before { create_relation(@project, @user, 'admin') }
           it_should_behave_like 'hooks user with project admin rights'
         end
       end
 
       context 'group member user with admin role' do
-        before do
-          @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'admin')
-        end
-
+        before do { create_actor_relation(@group, @user, 'admin') }
         it_should_behave_like 'hooks user with project admin rights'
       end
     end
 
     context 'group is member of the project' do
       context 'with admin rights' do
-        before do
-          @project.relations.create actor_id: @group.id, actor_type: @group.class.to_s, role: 'admin'
-        end
+        before { create_relation(@project, @group, 'admin') }
 
         context 'group member user with reader role' do
-          before do
-            @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'reader')
-          end
+          before { create_actor_relation(@group, @user, 'reader') }
 
           it_should_behave_like 'hooks user with project admin rights'
 
           context 'user should has best role' do
-            before do
-              @project.relations.create actor_id: @user.id, actor_type: @user.class.to_s, role: 'reader'
-            end
+            before { create_relation(@project, @user, 'reader') }
             it_should_behave_like 'hooks user with project admin rights'
           end
         end
 
         context 'group member user with admin role' do
-          before do
-            @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'admin')
-          end
-
+          before { create_actor_relation(@group, @user, 'admin') }
           it_should_behave_like 'hooks user with project admin rights'
         end
       end
 
       context 'with reader rights' do
-        before do
-          @project.relations.create actor_id: @group.id, actor_type: @group.class.to_s, role: 'reader'
-        end
+        before { create_relation(@project, @group, 'reader') }
 
         context 'group member user with reader role' do
-          before do
-            @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'reader')
-          end
+          before { create_actor_relation(@group, @user, 'reader') }
+
           it_should_behave_like 'hooks user without project admin rights'
 
           context 'user should has best role' do
-            before do
-              @project.relations.create actor_id: @user.id, actor_type: @user.class.to_s, role: 'admin'
-            end
+            before { create_relation(@project, @user, 'admin') }
             it_should_behave_like 'hooks user with project admin rights'
           end
         end
 
         context 'group member user with admin role' do
-          before do
-            @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'admin')
-          end
+          before { create_actor_relation(@group, @user, 'admin') }
           it_should_behave_like 'hooks user without project admin rights'
         end
       end
diff --git a/spec/controllers/projects/issues_controller_spec.rb b/spec/controllers/projects/issues_controller_spec.rb
index d04208560..21446f660 100644
--- a/spec/controllers/projects/issues_controller_spec.rb
+++ b/spec/controllers/projects/issues_controller_spec.rb
@@ -162,7 +162,7 @@ describe Projects::IssuesController do
 
   context 'for project admin user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@project, @user, 'admin')
     end
 
     it_should_behave_like 'issue user with project guest rights'
@@ -189,7 +189,7 @@ describe Projects::IssuesController do
 
   context 'for project reader user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_relation(@project, @user, 'reader')
     end
 
     it_should_behave_like 'issue user with project guest rights'
@@ -232,7 +232,7 @@ describe Projects::IssuesController do
 
   context 'for project writer user' do
     before(:each) do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'writer')
+      create_relation(@project, @user, 'writer')
     end
 
     it_should_behave_like 'issue user with project guest rights'
diff --git a/spec/controllers/projects/projects_controller_spec.rb b/spec/controllers/projects/projects_controller_spec.rb
index 0018e1590..746cbd6a7 100644
--- a/spec/controllers/projects/projects_controller_spec.rb
+++ b/spec/controllers/projects/projects_controller_spec.rb
@@ -9,7 +9,7 @@ shared_examples_for 'projects user with reader rights' do
 
   it 'should be able to fork project to their group' do
     group = FactoryGirl.create(:group)
-    group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'admin')
+    create_actor_relation(group, @user, 'admin')
     lambda {post :fork, owner_name: @project.owner.uname, project_name: @project.name,
             group: group.id}.should change{ Project.count }.by(1)
   end
@@ -71,27 +71,27 @@ shared_examples_for 'projects user without project admin rights' do
 
   it 'writer group should be able to fork project to their group' do
     group = FactoryGirl.create(:group)
-    group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'writer')
+    create_actor_relation(group, @user, 'writer')
     lambda {post :fork, owner_name: @project.owner.uname, project_name: @project.name,
             group: group.id}.should change{ Project.count }.by(1)
   end
 
   it 'reader group should not be able to fork project to their group' do
     group = FactoryGirl.create(:group)
-    group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'reader')
+    create_actor_relation(group, @user, 'reader')
     lambda {post :fork, owner_name: @project.owner.uname, project_name: @project.name,
             group: group.id}.should change{ Project.count }.by(0)
   end
 
   it 'writer group should be able to create project to their group' do
     group = FactoryGirl.create(:group)
-    group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'writer')
+    create_actor_relation(group, @user, 'wrtier')
     lambda {post :create, @create_params.merge(who_owns: 'group', owner_id: group.id)}.should change{ Project.count }.by(1)
   end
 
   it 'reader group should not be able to create project to their group' do
     group = FactoryGirl.create(:group)
-    group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'reader')
+    create_actor_relation(group, @user, 'reader')
     lambda {post :create, @create_params.merge(who_owns: 'group', owner_id: group.id)}.should change{ Project.count }.by(0)
   end
 end
@@ -168,7 +168,7 @@ describe Projects::ProjectsController do
 
         it 'should be able to create project for their group' do
           group = FactoryGirl.create(:group)
-          group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'admin')
+          create_actor_relation(group, @user, 'admin')
           lambda { post :create, @create_params.merge({who_owns: 'group', owner_id: group.id})}.should change{ Project.count }.by(1)
         end
 
@@ -215,7 +215,7 @@ describe Projects::ProjectsController do
 
     context 'for reader user' do
       before(:each) do
-        @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+        create_relation(@project, @user, 'reader')
       end
 
       it_should_behave_like 'projects user with reader rights'
@@ -224,7 +224,7 @@ describe Projects::ProjectsController do
 
     context 'for writer user' do
       before(:each) do
-        @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'writer')
+        create_relation(@project, @user, 'writer')
       end
 
       it_should_behave_like 'projects user with reader rights'
@@ -257,9 +257,7 @@ describe Projects::ProjectsController do
       end
 
       context 'group member user with reader role' do
-        before(:each) do
-          @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'reader')
-        end
+        before(:each) { create_actor_relation(@group, @user, 'reader') }
 
         it_should_behave_like 'projects user with reader rights'
         it_should_behave_like 'projects user without project admin rights'
@@ -269,17 +267,13 @@ describe Projects::ProjectsController do
         end
 
         context 'user should has best role' do
-          before(:each) do
-            @project.relations.create actor_id: @user.id, actor_type: @user.class.to_s, role: 'admin'
-          end
+          before(:each) { create_relation(@project, @user, 'admin') }
           it_should_behave_like 'projects user with project admin rights'
         end
       end
 
       context 'group member user with admin role' do
-        before(:each) do
-          @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'admin')
-        end
+        before(:each) { create_actor_relation(@group, @user, 'admin') }
 
         it_should_behave_like 'projects user with project admin rights'
         it_should_behave_like 'projects user with reader rights'
@@ -288,30 +282,22 @@ describe Projects::ProjectsController do
 
     context 'group is member of the project' do
       context 'with admin rights' do
-        before(:each) do
-          @project.relations.create actor_id: @group.id, actor_type: @group.class.to_s, role: 'admin'
-        end
+        before(:each) { create_relation(@project, @group, 'admin') }
 
         context 'group member user with reader role' do
-          before(:each) do
-            @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'reader')
-          end
+          before(:each) { create_actor_relation(@group, @user, 'reader') }
 
           it_should_behave_like 'projects user with reader rights'
           it_should_behave_like 'projects user with project admin rights'
 
           context 'user should has best role' do
-            before(:each) do
-              @project.relations.create actor_id: @user.id, actor_type: @user.class.to_s, role: 'reader'
-            end
+            before(:each) { create_relation(@project, @user, 'reader') }
             it_should_behave_like 'projects user with project admin rights'
           end
         end
 
         context 'group member user with admin role' do
-          before(:each) do
-            @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'admin')
-          end
+          before(:each) { create_actor_relation(@group, @user, 'admin') }
 
           it_should_behave_like 'projects user with project admin rights'
           it_should_behave_like 'projects user with reader rights'
@@ -319,30 +305,22 @@ describe Projects::ProjectsController do
       end
 
       context 'with reader rights' do
-        before(:each) do
-          @project.relations.create actor_id: @group.id, actor_type: @group.class.to_s, role: 'reader'
-        end
+        before(:each) { create_relation(@project, @group, 'reader') }
 
         context 'group member user with reader role' do
-          before(:each) do
-            @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'reader')
-          end
+          before(:each) { create_actor_relation(@group, @user, 'reader') }
 
           it_should_behave_like 'projects user with reader rights'
           it_should_behave_like 'projects user without project admin rights'
 
           context 'user should has best role' do
-            before(:each) do
-              @project.relations.create actor_id: @user.id, actor_type: @user.class.to_s, role: 'admin'
-            end
+            before(:each) { create_relation(@project, @user, 'admin') }
             it_should_behave_like 'projects user with project admin rights'
           end
         end
 
         context 'group member user with admin role' do
-          before(:each) do
-            @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'admin')
-          end
+          before(:each) { create_actor_relation(@group, @user, 'admin') }
 
           it_should_behave_like 'projects user with reader rights'
           it_should_behave_like 'projects user without project admin rights'
diff --git a/spec/controllers/projects/pull_requests_controller_spec.rb b/spec/controllers/projects/pull_requests_controller_spec.rb
index 5770d2d6b..0ee1982f3 100644
--- a/spec/controllers/projects/pull_requests_controller_spec.rb
+++ b/spec/controllers/projects/pull_requests_controller_spec.rb
@@ -191,7 +191,7 @@ describe Projects::PullRequestsController do
 
   context 'for project admin user' do
     before do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@project, @user, 'admin')
     end
 
     it_should_behave_like 'pull request user with project guest rights'
@@ -214,7 +214,7 @@ describe Projects::PullRequestsController do
 
   context 'for project reader user' do
     before do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_relation(@project, @user, 'reader')
     end
 
     it_should_behave_like 'pull request user with project guest rights'
@@ -235,7 +235,7 @@ describe Projects::PullRequestsController do
 
   context 'for project writer user' do
     before do
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'writer')
+      create_relation(@project, @user, 'writer')
     end
 
     it_should_behave_like 'pull request user with project guest rights'
@@ -300,11 +300,11 @@ describe Projects::PullRequestsController do
   context 'send email messages' do
     before(:each) do
       @project_reader = FactoryGirl.create :user
-      @project.relations.create!(actor_type: 'User', actor_id: @project_reader.id, role: 'reader')
+      create_relation(@project, @project_reader, 'reader')
       @project_admin = FactoryGirl.create :user
-      @project.relations.create!(actor_type: 'User', actor_id: @project_admin.id, role: 'admin')
+      create_relation(@project, @project_admin, 'admin')
       @project_writer = FactoryGirl.create :user
-      @project.relations.create!(actor_type: 'User', actor_id: @project_writer.id, role: 'writer')
+      create_relation(@project, @project_writer, 'writer')
 
       set_session_for(@project_writer)
       ActionMailer::Base.deliveries = []
diff --git a/spec/controllers/projects/subscribes_controller_spec.rb b/spec/controllers/projects/subscribes_controller_spec.rb
index 60c85fae5..f6d5523d5 100644
--- a/spec/controllers/projects/subscribes_controller_spec.rb
+++ b/spec/controllers/projects/subscribes_controller_spec.rb
@@ -65,7 +65,7 @@ describe Projects::SubscribesController do
     before(:each) do
       @user = FactoryGirl.create(:admin)
       set_session_for(@user)
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@project, @user, 'admin')
       @destroy_params = @destroy_params.merge({id: @user.id})
     end
 
diff --git a/spec/helpers/build_lists_helper_spec.rb b/spec/helpers/build_lists_helper_spec.rb
deleted file mode 100644
index bda7a8ffb..000000000
--- a/spec/helpers/build_lists_helper_spec.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-require 'spec_helper'
-
-# Specs in this file have access to a helper object that includes
-# the BuildListsHelper. For example:
-#
-# describe BuildListsHelper do
-#   describe "string concat" do
-#     it "concats two strings with spaces" do
-#       helper.concat_strings("this","that").should == "this that"
-#     end
-#   end
-# end
-describe BuildListsHelper do
-  pending "add some examples to (or delete) #{__FILE__}"
-end
diff --git a/spec/helpers/wiki_helper_spec.rb b/spec/helpers/wiki_helper_spec.rb
deleted file mode 100644
index 349ca45f7..000000000
--- a/spec/helpers/wiki_helper_spec.rb
+++ /dev/null
@@ -1,15 +0,0 @@
-require 'spec_helper'
-
-# Specs in this file have access to a helper object that includes
-# the WikiHelper. For example:
-#
-# describe WikiHelper do
-#   describe "string concat" do
-#     it "concats two strings with spaces" do
-#       helper.concat_strings("this","that").should == "this that"
-#     end
-#   end
-# end
-describe WikiHelper do
-  pending "add some examples to (or delete) #{__FILE__}"
-end
diff --git a/spec/models/cancan_spec.rb b/spec/models/cancan_spec.rb
index c3e0f56f3..867010e1f 100644
--- a/spec/models/cancan_spec.rb
+++ b/spec/models/cancan_spec.rb
@@ -138,7 +138,7 @@ describe CanCan do
 
       context 'with read rights' do
         before(:each) do
-          @project.relations.create!(actor_id: @user.id, actor_type: 'User', role: 'reader')
+          create_relation(@project, @user, 'reader')
         end
 
         it 'should be able to read project' do
@@ -152,7 +152,7 @@ describe CanCan do
 
       context 'with writer rights' do
         before(:each) do
-          @project.relations.create!(actor_id: @user.id, actor_type: 'User', role: 'writer')
+          create_relation(@project, @user, 'writer')
         end
 
         [:read, :create, :new].each do |action|
@@ -171,7 +171,7 @@ describe CanCan do
 
       context 'with admin rights' do
         before(:each) do
-          @project.relations.create!(actor_id: @user.id, actor_type: 'User', role: 'admin')
+          create_relation(@project, @user, 'admin')
         end
 
         [:read, :update].each do |action|
@@ -227,7 +227,7 @@ describe CanCan do
       context 'through group-member' do
         before(:each) do
           @group_member = FactoryGirl.create(:group)
-          @project.relations.create!(actor_id: @group_member.id, actor_type: 'Group', role: 'reader')
+          create_relation(@project, @group_member, 'reader')
           @group_member_ability = Ability.new(@group_member.owner)
         end
 
@@ -274,7 +274,7 @@ describe CanCan do
 
       context 'with read rights' do
         before(:each) do
-          @platform.relations.create!(actor_id: @user.id, actor_type: 'User', role: 'reader')
+          create_relation(@platform, @user, 'reader')
           @ability = Ability.new(@user)
         end
 
@@ -310,7 +310,7 @@ describe CanCan do
 
       context 'with read rights' do
         before(:each) do
-          @repository.platform.relations.create!(actor_id: @user.id, actor_type: 'User', role: 'reader')
+          create_relation(@repository.platform, @user, 'reader')
         end
 
         it "should be able to read repository" do
diff --git a/spec/models/comment_for_commit_spec.rb b/spec/models/comment_for_commit_spec.rb
index c77d0a71f..13f89dcbc 100644
--- a/spec/models/comment_for_commit_spec.rb
+++ b/spec/models/comment_for_commit_spec.rb
@@ -62,7 +62,7 @@ describe Comment do
       set_comments_data_for_commit
       @admin = FactoryGirl.create(:user)
       @ability = Ability.new(@admin)
-      @project.relations.create!({actor_type: 'User', actor_id: @admin.id, role: 'admin'}, without_protection: true)
+      create_relation(@project, @admin, 'admin')
     end
 
     it_should_behave_like 'user with create comment ability (for model)'
diff --git a/spec/models/comment_spec.rb b/spec/models/comment_spec.rb
index c0cd0095e..464e52dfd 100644
--- a/spec/models/comment_spec.rb
+++ b/spec/models/comment_spec.rb
@@ -40,8 +40,7 @@ describe Comment do
       @stranger = FactoryGirl.create(:user)
 
       set_commentable_data
-
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@project, @user, 'admin')
     end
 
     it_should_behave_like 'user with create comment ability (for model)'
@@ -64,7 +63,7 @@ describe Comment do
 
       @project.owner = @user
       @project.save
-      @project.relations.create!(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_relation(@project, @user, 'admin')
     end
 
     it_should_behave_like 'user with create comment ability (for model)'
diff --git a/spec/models/group_spec.rb b/spec/models/group_spec.rb
index 730061734..a93cf59dd 100644
--- a/spec/models/group_spec.rb
+++ b/spec/models/group_spec.rb
@@ -33,7 +33,7 @@ describe Group do
     before(:each) do
       @user = FactoryGirl.create(:user)
       @another_user = FactoryGirl.create(:user)
-      @group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_actor_relation(@group, @user, 'admin')
       @ability = Ability.new(@user)
     end
 
@@ -65,7 +65,7 @@ describe Group do
       @group.owner = @user
       @group.save
 
-      @group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'admin')
+      create_actor_relation(@group, @user, 'admin')
       @ability = Ability.new(@user)
     end
 
@@ -79,7 +79,7 @@ describe Group do
   context 'for group reader and writer user' do
     before(:each) do
       @user = FactoryGirl.create(:user)
-      @group.actors.create(actor_type: 'User', actor_id: @user.id, role: 'reader')
+      create_actor_relation(@group, @user, 'reader')
       @ability = Ability.new(@user)
     end
 
diff --git a/spec/models/issue_spec.rb b/spec/models/issue_spec.rb
index 70760afc5..c9c1e4a93 100644
--- a/spec/models/issue_spec.rb
+++ b/spec/models/issue_spec.rb
@@ -66,32 +66,32 @@ describe Issue do
 
       @group = FactoryGirl.create(:group)
       @reader = FactoryGirl.create :user
-      @group.actors.create(actor_type: 'User', actor_id: @reader.id, role: 'reader')
+      create_actor_relation(@group, @reader, 'reader')
     end
 
     it 'should send an e-mail to all members of the admin group' do
-      @project.relations.create!(actor_type: 'Group', actor_id: @group.id, role: 'admin')
+      create_relation(@project, @group, 'admin')
 
       create_issue(@stranger)
       ActionMailer::Base.deliveries.count.should == 3 # 1 owner + 2 group member. enough?
     end
 
     it 'should send an e-mail to all members of the admin group except creator' do
-      @project.relations.create!(actor_type: 'Group', actor_id: @group.id, role: 'admin')
+      create_relation(@project, @group, 'admin')
 
       create_issue(@group.owner)
       ActionMailer::Base.deliveries.count.should == 2 # 1 owner + 1 group member. enough?
     end
 
     it 'should not send an e-mail to members of the reader group' do
-      @project.relations.create!(actor_type: 'Group', actor_id: @group.id, role: 'reader')
+      create_relation(@project, @group, 'reader')
 
       create_issue(@stranger)
       ActionMailer::Base.deliveries.count.should == 1 # 1 project owner
     end
 
     it 'should reset issue assignee after remove him from group' do
-      @project.relations.create!(actor_type: 'Group', actor_id: @group.id, role: 'reader')
+      create_relation(@project, @group, 'reader')
       create_issue(@group.owner)
       @issue.update_column :assignee_id, @reader.id
       @group.remove_member @reader
@@ -99,8 +99,8 @@ describe Issue do
     end
 
     it 'should not reset issue assignee' do
-      @project.relations.create!(actor_type: 'Group', actor_id: @group.id, role: 'reader')
-      @project.relations.create!(actor_type: 'User', actor_id: @reader.id, role: 'reader')
+      create_relation(@project, @group, 'reader')
+      create_relation(@project, @reader, 'reader')
       create_issue(@group.owner)
       @issue.update_column :assignee_id, @reader.id
       @group.remove_member @reader
@@ -108,7 +108,7 @@ describe Issue do
     end
 
     it 'should reset issue assignee after remove him from project' do
-      @project.relations.create!(actor_type: 'User', actor_id: @reader.id, role: 'reader')
+      create_relation(@project, @reader, 'reader')
       create_issue(@reader)
       @issue.update_column :assignee_id, @reader.id
       @project.remove_member @reader # via api
@@ -140,7 +140,7 @@ describe Issue do
     context 'for reader of the group' do
       it 'should not send an e-mail' do
         reader = FactoryGirl.create :user
-        @group.actors.create(actor_type: 'User', actor_id: reader.id, role: 'reader')
+        create_actor_relation(@group, reader, 'reader')
 
         create_issue(@stranger)
         ActionMailer::Base.deliveries.count.should == 1
diff --git a/spec/models/user_spec.rb b/spec/models/user_spec.rb
index f2606d301..f3397a518 100644
--- a/spec/models/user_spec.rb
+++ b/spec/models/user_spec.rb
@@ -1,4 +1,3 @@
-
 require 'spec_helper'
 
 describe User do
@@ -24,15 +23,11 @@ describe User do
 
   %w(reader writer admin).each do |group_role|
     context "for group with #{group_role} role in project" do
-      before(:each) do
-        @project.relations.create actor_id: @group.id, actor_type: @group.class.to_s, role: group_role
-      end
+      before(:each) { create_relation(@project, @group, group_role) }
 
       %w(reader writer admin).each do |role|
         context "for user with #{role} role in group" do
-          before(:each) do
-            @group.actors.create(actor_id: @user.id, actor_type: 'User', role: role)
-          end
+          before(:each) { create_actor_relation(@group, @user, role) }
 
           it "should have #{group_role} role to project" do
             @user.best_role(@project).should == group_role
@@ -48,14 +43,12 @@ describe User do
 
       @project.owner = @group
       @project.save
-      @project.relations.create actor_id: @project.owner.id, actor_type: @project.owner.class.to_s, role: 'admin'
+      create_relation(@project, @project.owner, 'admin')
     end
 
     %w(reader writer admin).each do |role|
       context "for user with #{role} role in group" do
-        before(:each) do
-          @group.actors.create(actor_id: @user.id, actor_type: 'User', role: role)
-        end
+        before(:each) { create_actor_relation(@group, @user, role) }
 
         it "should have #{role} role to project" do
           @user.best_role(@project).should == role
@@ -65,9 +58,7 @@ describe User do
 
     %w(reader writer admin).each do |role|
       context "for user with #{role} role in project" do
-        before(:each) do
-          @project.relations.create(actor_id: @user.id, actor_type: 'User', role: role)
-        end
+        before(:each) { create_relation(@project, @user, role) }
 
         it "should have #{role} role to project" do
           @user.best_role(@project).should == role
@@ -77,16 +68,16 @@ describe User do
 
     context "for user with reader role in group and writer role in project" do
       it "should have writer best role to project" do
-        @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'reader')
-        @project.relations.create(actor_id: @user.id, actor_type: 'User', role: 'writer')
+        create_actor_relation(@group, @user, 'reader')
+        create_relation(@project, @user, 'writer')
         @user.best_role(@project).should == 'writer'
       end
     end
 
     context "for user with admin role in group and reader role in project" do
       it "should have admin best role to project" do
-        @group.actors.create(actor_id: @user.id, actor_type: 'User', role: 'admin')
-        @project.relations.create(actor_id: @user.id, actor_type: 'User', role: 'reader')
+        create_actor_relation(@group, @user, 'admin')
+        create_relation(@project, @user, 'reader')
         @user.best_role(@project).should == 'admin'
       end
     end
diff --git a/spec/support/relation.rb b/spec/support/relation.rb
new file mode 100644
index 000000000..844e477ba
--- /dev/null
+++ b/spec/support/relation.rb
@@ -0,0 +1,7 @@
+def create_relation(target, actor, role)
+  target.relations.create!(actor: actor, role: role)
+end
+
+def create_actor_relation(target, actor, role)
+  target.actors.create!(actor: actor, role: role)
+end