diff --git a/db/schema.rb b/db/schema.rb
index 74e364bc6..1e6684487 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -220,6 +220,7 @@ ActiveRecord::Schema.define(:version => 20111128140341) do
     t.string   "object_type"
     t.integer  "target_id"
     t.string   "target_type"
+    t.integer  "role_id"
     t.datetime "created_at"
     t.datetime "updated_at"
     t.string   "role"
@@ -248,16 +249,16 @@ ActiveRecord::Schema.define(:version => 20111128140341) do
 
   create_table "users", :force => true do |t|
     t.string   "name"
-    t.string   "email",                               :default => "", :null => false
-    t.string   "encrypted_password",   :limit => 128, :default => "", :null => false
-    t.string   "password_salt",                       :default => "", :null => false
+    t.string   "email",                                 :default => "", :null => false
+    t.string   "encrypted_password",     :limit => 128, :default => "", :null => false
     t.string   "reset_password_token"
-    t.string   "remember_token"
+    t.datetime "reset_password_sent_at"
     t.datetime "remember_created_at"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.text     "ssh_key"
     t.string   "uname"
+    t.text     "ssh_key"
+    t.integer  "role_id"
     t.string   "role"
   end
 
diff --git a/lib/modules/models/personal_repository.rb b/lib/modules/models/personal_repository.rb
index db0b41df5..1487f58df 100644
--- a/lib/modules/models/personal_repository.rb
+++ b/lib/modules/models/personal_repository.rb
@@ -12,7 +12,7 @@ module Modules
           pl = platforms.build
           pl.owner = self
           pl.name = "#{self.uname}_personal"
-          pl.name = "#{self.uname}_personal"
+          pl.description = "#{self.uname}_personal"
           pl.platform_type = 'personal'
           pl.distrib_type = APP_CONFIG['distr_types'].first
           pl.visibility = 'hidden'
@@ -21,7 +21,7 @@ module Modules
           rep = pl.repositories.build
           rep.owner = pl.owner
           rep.name = 'main'
-          rep.name = 'main'
+          rep.description = 'main'
           rep.save!
         end
 
diff --git a/spec/controllers/collaborators_controller_spec.rb b/spec/controllers/collaborators_controller_spec.rb
index 729f7a891..0b82106c9 100644
--- a/spec/controllers/collaborators_controller_spec.rb
+++ b/spec/controllers/collaborators_controller_spec.rb
@@ -1,4 +1,5 @@
 require 'spec_helper'
+require 'shared_examples/collaborators_controller'
 
 describe CollaboratorsController do
 	before(:each) do
@@ -25,20 +26,9 @@ describe CollaboratorsController do
   		set_session_for(@admin)
 		end
 
-    it 'should be able to perform index action' do
-      get :index, :project_id => @project.id
-      response.should redirect_to(edit_project_collaborators_path(@project))
-    end
-
-    it 'should be able to perform update action' do
-      post :update, {:project_id => @project.id}.merge(@update_params)
-      response.should redirect_to(project_path(@project))
-    end
-
-    it 'should set flash notice on update success' do
-      post :update, {:project_id => @project.id}.merge(@update_params)
-      flash[:notice].should_not be_blank
-    end
+    it_should_behave_like 'be_able_to_perform_index_action'
+    it_should_behave_like 'be_able_to_perform_update_action'
+    it_should_behave_like 'update_collaborator_relation'
   end
 
   context 'for admin user' do
@@ -50,20 +40,9 @@ describe CollaboratorsController do
       r.save!
     end
 
-    it 'should be able to perform index action' do
-      get :index, :project_id => @project.id
-      response.should redirect_to(edit_project_collaborators_path(@project))
-    end
-
-    it 'should be able to perform update action' do
-      post :update, {:project_id => @project.id}.merge(@update_params)
-      response.should redirect_to(project_path(@project))
-    end
-
-    it 'should set flash notice on update success' do
-      post :update, {:project_id => @project.id}.merge(@update_params)
-      flash[:notice].should_not be_blank
-    end
+    it_should_behave_like 'be_able_to_perform_index_action'
+    it_should_behave_like 'be_able_to_perform_update_action'
+    it_should_behave_like 'update_collaborator_relation'
   end
 
   context 'for owner user' do
@@ -75,20 +54,9 @@ describe CollaboratorsController do
   		r.save!
 		end
 
-    it 'should be able to perform index action' do
-      get :index, :project_id => @project.id
-      response.should redirect_to(edit_project_collaborators_path(@project))
-    end
-
-    it 'should be able to perform update action' do
-      post :update, {:project_id => @project.id}.merge(@update_params)
-      response.should redirect_to(project_path(@project))
-    end
-
-    it 'should set flash notice on update success' do
-      post :update, {:project_id => @project.id}.merge(@update_params)
-      flash[:notice].should_not be_blank
-    end
+    it_should_behave_like 'be_able_to_perform_index_action'
+    it_should_behave_like 'be_able_to_perform_update_action'
+    it_should_behave_like 'update_collaborator_relation'
   end
 
   context 'for reader user' do
@@ -100,15 +68,9 @@ describe CollaboratorsController do
   		r.save!
 		end
 
-    it 'should not be able to perform index action' do
-      get :index, :project_id => @project.id
-      response.should redirect_to(edit_project_collaborators_path(@project))
-    end
-
-    it 'should not be able to perform update action' do
-      post :update, {:project_id => @project.id}.merge(@update_params)
-      response.should redirect_to(project_path(@project))
-    end
+    it_should_behave_like 'not_be_able_to_perform_index_action'
+    it_should_behave_like 'not_be_able_to_perform_update_action'
+    it_should_behave_like 'not_update_collaborator_relation'
   end
 
   context 'for writer user' do
@@ -120,14 +82,8 @@ describe CollaboratorsController do
   		r.save!
 		end
 
-    it 'should not be able to perform index action' do
-      get :index, :project_id => @project.id
-      response.should redirect_to(edit_project_collaborators_path(@project))
-    end
-
-    it 'should not be able to perform update action' do
-      post :update, {:project_id => @project.id}.merge(@update_params)
-      response.should redirect_to(project_path(@project))
-    end
+    it_should_behave_like 'not_be_able_to_perform_index_action'
+    it_should_behave_like 'not_be_able_to_perform_update_action'
+    it_should_behave_like 'not_update_collaborator_relation'
   end
 end
diff --git a/spec/controllers/platforms_controller_spec.rb b/spec/controllers/platforms_controller_spec.rb
index b114d822a..e691dacac 100644
--- a/spec/controllers/platforms_controller_spec.rb
+++ b/spec/controllers/platforms_controller_spec.rb
@@ -1,4 +1,5 @@
 require 'spec_helper'
+require "shared_examples/platforms_controller"
 
 describe PlatformsController do
   before(:each) do
@@ -7,7 +8,7 @@ describe PlatformsController do
     @user = Factory(:user)
     @create_params = {:platform => {
       :name => 'pl1',
-      :unixname => 'pl1',
+      :description => 'pl1',
       :platform_type => 'main',
       :distrib_type => APP_CONFIG['distr_types'].first
     }}
@@ -40,10 +41,7 @@ describe PlatformsController do
       set_session_for(@admin)
     end
 
-    it 'should be able to perform index action' do
-      get :index
-      response.should render_template(:index)
-    end
+    it_should_behave_like 'able_to_perform_index_action'
 
     it 'should be able to perform new action' do
       get :new
@@ -55,20 +53,13 @@ describe PlatformsController do
       response.should redirect_to(platform_path(Platform.last))
     end
 
-    it 'should set flash notice on create success' do
-      post :create, @create_params
-      flash[:notice].should_not be_blank
+    it 'should change objects count on create success' do
+      lambda { post :create, @create_params }.should change{ Platform.count }.by(1)
     end
 
-    it 'should be able to perform destroy action' do
-      delete :destroy, :id => @platform.id
-      response.should redirect_to(root_path)
-    end
-
-    it 'should not be able to destroy personal platform' do
-      delete :destroy, :id => @personal_platform.id
-      response.should redirect_to(forbidden_path)
-    end
+    it_should_behave_like 'be_able_to_perform_destroy_action'
+    it_should_behave_like 'change_objects_count_on_destroy_success'
+    it_should_behave_like 'not_be_able_to_destroy_personal_platform'
   end
 
   context 'for owner user' do
@@ -80,10 +71,11 @@ describe PlatformsController do
       r.save!
     end
 
-    it 'should be able to perform index action' do
-      get :index
-      response.should render_template(:index)
-    end
+    it_should_behave_like 'able_to_perform_index_action'
+    it_should_behave_like 'not_be_able_to_perform_create_action'
+    it_should_behave_like 'be_able_to_perform_destroy_action'
+    it_should_behave_like 'change_objects_count_on_destroy_success'
+    it_should_behave_like 'not_be_able_to_destroy_personal_platform'
 
     it 'should be able to perform new action' do
       get :new
@@ -95,20 +87,6 @@ describe PlatformsController do
       response.should redirect_to(forbidden_path)
     end
 
-    it 'should set flash notice on create success' do
-      post :create, @create_params
-      response.should redirect_to(forbidden_path)
-    end
-
-    it 'should be able to perform destroy action' do
-      delete :destroy, :id => @platform.id
-      response.should redirect_to(root_path)
-    end
-
-    it 'should not be able to destroy personal platform' do
-      delete :destroy, :id => @personal_platform.id
-      response.should redirect_to(forbidden_path)
-    end
   end
 
   context 'for reader user' do
@@ -119,20 +97,8 @@ describe PlatformsController do
       r.save!
     end
 
-    it 'should be able to perform index action' do
-      get :index
-      response.should render_template(:index)
-    end
-
-    it 'should not be able to perform create action' do
-      post :create, @create_params
-      response.should redirect_to(forbidden_path)
-    end
-
-    it 'should set flash notice on create success' do
-      post :create, @create_params
-      response.should redirect_to(forbidden_path)
-    end
+    it_should_behave_like 'able_to_perform_index_action'
+    it_should_behave_like 'not_be_able_to_perform_create_action'
 
     it 'should not be able to perform destroy action' do
       delete :destroy, :id => @platform.id
diff --git a/spec/controllers/projects_controller_spec.rb b/spec/controllers/projects_controller_spec.rb
index 95387ea27..acd3260e7 100644
--- a/spec/controllers/projects_controller_spec.rb
+++ b/spec/controllers/projects_controller_spec.rb
@@ -1,4 +1,5 @@
 require 'spec_helper'
+require 'shared_examples/projects_controller'
 
 describe ProjectsController do
 	before(:each) do
@@ -36,35 +37,20 @@ describe ProjectsController do
   		set_session_for(@admin)
 		end
 
-    it 'should be able to perform index action' do
-      get :index
-      response.should render_template(:index)
-    end
-
-    it 'should be able to perform update action' do
-      put :update, {:id => @project.id}.merge(@update_params)
-      response.should redirect_to(project_path(@project))
-    end
-
-    it 'should set flash notice on update success' do
-      put :update, {:id => @project.id}.merge(@update_params)
-      flash[:notice].should_not be_blank
-    end
+    it_should_behave_like 'be_able_to_perform_index_action'
+    it_should_behave_like 'be_able_to_perform_update_action'
+    it_should_behave_like 'update_collaborator_relation'
 
     it 'should be able to perform create action' do
       post :create, @create_params
       response.should redirect_to(project_path( Project.last.id ))
     end
 
-    it 'should set flash notice on create success' do
-      post :create, @create_params
-      flash[:notice].should_not be_blank
+    it 'should change objects count on create' do
+      lambda { post :create, @create_params }.should change{ Project.count }.by(1)
     end
 
-    it 'should be able to fork project' do
-      post :fork, :id => @project.id
-      response.should redirect_to(project_path(Project.last))
-    end
+    it_should_behave_like 'be_able_to_fork_project'
   end
 
   context 'for owner user' do
@@ -76,31 +62,20 @@ describe ProjectsController do
   		r.save!
 		end
 
-    it 'should be able to perform update action' do
-      put :update, {:id => @project.id}.merge(@update_params)
-      response.should redirect_to(project_path(@project))
-    end
-
-    it 'should set flash notice on update success' do
-      put :update, {:id => @project.id}.merge(@update_params)
-      flash[:notice].should_not be_blank
-    end
-
-    it 'should be able to perform build action' do
-      get :build, :id => @project.id
-      response.should render_template(:build)
-    end
-
-    it 'should be able to perform process_build action' do
-      post :process_build, {:id => @project.id}.merge(@process_build_params)
-      response.should redirect_to(project_path(@project))
-    end
+    it_should_behave_like 'be_able_to_perform_update_action'
+    it_should_behave_like 'update_collaborator_relation'
+    it_should_behave_like 'be_able_to_perform_build_action'
+    it_should_behave_like 'be_able_to_perform_process_build_action'
 
     it 'should be able to perform destroy action' do
       delete :destroy, {:id => @project.id}
       response.should redirect_to(@project.owner)
     end
 
+    it 'should change objects count on destroy' do
+      lambda { post :create, @create_params }.should change{ Project.count }.by(-1)
+    end
+
     it 'should not be able to fork project' do
       post :fork, :id => @project.id
       response.should redirect_to(forbidden_path)
@@ -115,20 +90,14 @@ describe ProjectsController do
   		r.save!
 		end
 
-    it 'should not be able to perform index action' do
-      get :index
-      response.should render_template(:index)
-    end
+    it_should_behave_like 'be_able_to_perform_index_action'
 
-    it 'should not be able to perform show action' do
+    it 'should be able to perform show action' do
       get :show, :id => @project.id
       response.should render_template(:show)
     end
 
-    it 'should be able to fork project' do
-      post :fork, :id => @project.id
-      response.should redirect_to(project_path(Project.last))
-    end
+    it_should_behave_like 'be_able_to_fork_project'
   end
 
   context 'for writer user' do
@@ -139,29 +108,10 @@ describe ProjectsController do
   		r.save!
 		end
 
-    it 'should not be able to perform update action' do
-      put :update, {:id => @project.id}.merge(@update_params)
-      response.should redirect_to(project_path(@project))
-    end
-
-    it 'should set flash notice on update success' do
-      put :update, {:id => @project.id}.merge(@update_params)
-      flash[:notice].should_not be_blank
-    end
-
-    it 'shoud be able to perform build action' do
-      get :build, :id => @project.id
-      response.should render_template(:build)
-    end
-
-    it 'shoud be able to perform process_build action' do
-      post :process_build, {:id => @project.id}.merge(@process_build_params)
-      response.should redirect_to(project_path(@project))
-    end
-
-    it 'should be able to fork project' do
-      post :fork, :id => @project.id
-      response.should redirect_to(project_path(Project.last))
-    end
+    it_should_behave_like 'be_able_to_perform_update_action'
+    it_should_behave_like 'update_collaborator_relation'
+    it_should_behave_like 'be_able_to_perform_build_action'
+    it_should_behave_like 'be_able_to_perform_process_build_action'
+    it_should_behave_like 'be_able_to_fork_project'
   end
 end
diff --git a/spec/factories/platform_factory.rb b/spec/factories/platform_factory.rb
index 040f97a7a..9fab7a443 100644
--- a/spec/factories/platform_factory.rb
+++ b/spec/factories/platform_factory.rb
@@ -1,7 +1,7 @@
 Factory.define(:platform) do |p|
-  p.name { Factory.next(:string) }
-  p.unixname { Factory.next(:unixname) }
+  p.description { Factory.next(:string) }
+  p.name { Factory.next(:unixname) }
   p.platform_type 'main'
   p.distrib_type APP_CONFIG['distr_types'].first
   p.association :owner, :factory => :user
-end
\ No newline at end of file
+end
diff --git a/spec/factories/project_factory.rb b/spec/factories/project_factory.rb
index 54e9aeecb..66adbdea9 100644
--- a/spec/factories/project_factory.rb
+++ b/spec/factories/project_factory.rb
@@ -1,5 +1,5 @@
 Factory.define(:project) do |p|
-  p.name { Factory.next(:string) }
-  p.unixname { Factory.next(:unixname) }
+  p.description { Factory.next(:string) }
+  p.name { Factory.next(:unixname) }
   p.association :owner, :factory => :user
-end
\ No newline at end of file
+end
diff --git a/spec/factories/repository_factory.rb b/spec/factories/repository_factory.rb
index 152e7203d..a730f7f4b 100644
--- a/spec/factories/repository_factory.rb
+++ b/spec/factories/repository_factory.rb
@@ -1,17 +1,17 @@
 Factory.define(:repository) do |p|
-  p.name { Factory.next(:string) }
-  p.unixname { Factory.next(:unixname) }
+  p.description { Factory.next(:string) }
+  p.name { Factory.next(:unixname) }
   p.association :platform, :factory => :platform
   p.association :owner, :factory => :user
 end
 
 Factory.define(:personal_repository, :class => Repository) do |p|
-  p.name { Factory.next(:string) }
-  p.unixname { Factory.next(:unixname) }
+  p.description { Factory.next(:string) }
+  p.name { Factory.next(:unixname) }
   p.association :platform, :factory => :platform
   p.association :owner, :factory => :user
 
   p.after_create { |rep| 
   	rep.platform.platform_type = 'personal'
   }
-end
\ No newline at end of file
+end
diff --git a/spec/shared_examples/collaborators_controller.rb b/spec/shared_examples/collaborators_controller.rb
new file mode 100644
index 000000000..a0a6a2d43
--- /dev/null
+++ b/spec/shared_examples/collaborators_controller.rb
@@ -0,0 +1,39 @@
+shared_examples_for 'be_able_to_perform_index_action' do
+  it 'should be able to perform index action' do
+    get :index, :project_id => @project.id
+    response.should redirect_to(edit_project_collaborators_path(@project))
+  end
+end
+
+shared_examples_for 'be_able_to_perform_update_action' do
+  it 'should be able to perform update action' do
+    post :update, {:project_id => @project.id}.merge(@update_params)
+    response.should redirect_to(project_path(@project))
+  end
+end
+
+shared_examples_for 'update_collaborator_relation' do
+  it 'should update collaborator relation' do
+    @another_user.relations.exists? :target_id => @project.id, :target_type => 'Project', :role => 'read'
+  end
+end
+
+shared_examples_for 'not_be_able_to_perform_index_action' do
+  it 'should be able to perform index action' do
+    get :index, :project_id => @project.id
+    response.should redirect_to(edit_project_collaborators_path(@project))
+  end
+end
+
+shared_examples_for 'not_be_able_to_perform_update_action' do
+  it 'should be able to perform update action' do
+    post :update, {:project_id => @project.id}.merge(@update_params)
+    response.should redirect_to(project_path(@project))
+  end
+end
+
+shared_examples_for 'not_update_collaborator_relation' do
+  it 'should set flash notice on update success' do
+    !@another_user.relations.exists? :target_id => @project.id, :target_type => 'Project', :role => 'read'
+  end
+end
diff --git a/spec/shared_examples/platforms_controller.rb b/spec/shared_examples/platforms_controller.rb
new file mode 100644
index 000000000..890e63b9e
--- /dev/null
+++ b/spec/shared_examples/platforms_controller.rb
@@ -0,0 +1,34 @@
+shared_examples_for 'able_to_perform_index_action' do
+  it 'should be able to perform index action' do
+    get :index
+    response.should render_template(:index)
+  end
+end
+
+shared_examples_for 'not_be_able_to_perform_create_action' do
+  it 'should be able to perform create action' do
+    post :create, @create_params
+    response.should redirect_to(forbidden_path)
+  end
+end
+
+shared_examples_for 'not_be_able_to_destroy_personal_platform' do
+  it 'should be able to perform create action' do
+    delete :destroy, :id => @personal_platform.id
+    response.should redirect_to(forbidden_path)
+  end
+end
+
+shared_examples_for 'change_objects_count_on_destroy_success' do
+  it 'should change objects count on destroy success' do
+    lambda { delete :destroy, :id => @platform.id }.should change{ Platform.count }.by(-1)
+  end
+end
+
+shared_examples_for 'be_able_to_perform_destroy_action' do
+  it 'should be able to perform destroy action' do
+    delete :destroy, :id => @platform.id
+    response.should redirect_to(root_path)
+  end
+
+end
diff --git a/spec/shared_examples/projects_controller.rb b/spec/shared_examples/projects_controller.rb
new file mode 100644
index 000000000..4f391afa1
--- /dev/null
+++ b/spec/shared_examples/projects_controller.rb
@@ -0,0 +1,40 @@
+shared_examples_for 'be_able_to_perform_index_action' do
+  it 'should be able to perform index action' do
+    get :index
+    response.should render_template(:index)
+  end
+end
+
+shared_examples_for 'be_able_to_perform_update_action' do
+  it 'should be able to perform update action' do
+    put :update, {:project_id => @project.id}.merge(@update_params)
+    response.should redirect_to(project_path(@project))
+  end
+end
+
+shared_examples_for 'update_collaborator_relation' do
+  it 'should update collaborator relation' do
+    @another_user.relations.exists? :target_id => @project.id, :target_type => 'Project', :role => 'read'
+  end
+end
+
+shared_examples_for 'be_able_to_fork_project' do
+  it 'should be able to fork project' do
+    post :fork, :id => @project.id
+    response.should redirect_to(project_path(Project.last))
+  end
+end
+
+shared_examples_for 'be_able_to_perform_build_action' do
+  it 'should be able to perform build action' do
+    get :build, :id => @project.id
+    response.should render_template(:build)
+  end
+end
+
+shared_examples_for 'be_able_to_perform_process_build_action' do
+  it 'should be able to perform process_build action' do
+    post :process_build, {:id => @project.id}.merge(@process_build_params)
+    response.should redirect_to(project_path(@project))
+  end
+end