diff --git a/app/services/merge_requests/base_service.rb b/app/services/merge_requests/base_service.rb
index a1261972157..c77f5d664ef 100644
--- a/app/services/merge_requests/base_service.rb
+++ b/app/services/merge_requests/base_service.rb
@@ -3,6 +3,10 @@ module MergeRequests
 
     private
 
+    def create_assignee_note(merge_request)
+      Note.create_assignee_change_note(merge_request, merge_request.project, current_user, merge_request.assignee)
+    end
+
     def create_note(merge_request)
       Note.create_status_change_note(merge_request, merge_request.target_project, current_user, merge_request.state, nil)
     end
diff --git a/spec/services/merge_requests/close_service_spec.rb b/spec/services/merge_requests/close_service_spec.rb
new file mode 100644
index 00000000000..a504f916b08
--- /dev/null
+++ b/spec/services/merge_requests/close_service_spec.rb
@@ -0,0 +1,35 @@
+require 'spec_helper'
+
+describe MergeRequests::CloseService do
+  let(:user) { create(:user) }
+  let(:user2) { create(:user) }
+  let(:merge_request) { create(:merge_request, assignee: user2) }
+  let(:project) { merge_request.project }
+
+  before do
+    project.team << [user, :master]
+    project.team << [user2, :developer]
+  end
+
+  describe :execute do
+    context "valid params" do
+      before do
+        @merge_request = MergeRequests::CloseService.new(project, user, {}).execute(merge_request)
+      end
+
+      it { @merge_request.should be_valid }
+      it { @merge_request.should be_closed }
+
+      it 'should send email to user2 about assign of new merge_request' do
+        email = ActionMailer::Base.deliveries.last
+        email.to.first.should == user2.email
+        email.subject.should include(merge_request.title)
+      end
+
+      it 'should create system note about merge_request reassign' do
+        note = @merge_request.notes.last
+        note.note.should include "Status changed to closed"
+      end
+    end
+  end
+end
diff --git a/spec/services/merge_requests/create_service_spec.rb b/spec/services/merge_requests/create_service_spec.rb
new file mode 100644
index 00000000000..cebeb0644d0
--- /dev/null
+++ b/spec/services/merge_requests/create_service_spec.rb
@@ -0,0 +1,25 @@
+require 'spec_helper'
+
+describe MergeRequests::CreateService do
+  let(:project) { create(:project) }
+  let(:user) { create(:user) }
+
+  describe :execute do
+    context "valid params" do
+      before do
+        project.team << [user, :master]
+        opts = {
+          title: 'Awesome merge_request',
+          description: 'please fix',
+          source_branch: 'stable',
+          target_branch: 'master'
+        }
+
+        @merge_request = MergeRequests::CreateService.new(project, user, opts).execute
+      end
+
+      it { @merge_request.should be_valid }
+      it { @merge_request.title.should == 'Awesome merge_request' }
+    end
+  end
+end
diff --git a/spec/services/merge_requests/update_service_spec.rb b/spec/services/merge_requests/update_service_spec.rb
new file mode 100644
index 00000000000..af5d3a3dc81
--- /dev/null
+++ b/spec/services/merge_requests/update_service_spec.rb
@@ -0,0 +1,44 @@
+require 'spec_helper'
+
+describe MergeRequests::UpdateService do
+  let(:user) { create(:user) }
+  let(:user2) { create(:user) }
+  let(:merge_request) { create(:merge_request, :simple) }
+  let(:project) { merge_request.project }
+
+  before do
+    project.team << [user, :master]
+    project.team << [user2, :developer]
+  end
+
+  describe :execute do
+    context "valid params" do
+      before do
+        opts = {
+          title: 'New title',
+          description: 'Also please fix',
+          assignee_id: user2.id,
+          state_event: 'close'
+        }
+
+        @merge_request = MergeRequests::UpdateService.new(project, user, opts).execute(merge_request)
+      end
+
+      it { @merge_request.should be_valid }
+      it { @merge_request.title.should == 'New title' }
+      it { @merge_request.assignee.should == user2 }
+      it { @merge_request.should be_closed }
+
+      it 'should send email to user2 about assign of new merge_request' do
+        email = ActionMailer::Base.deliveries.last
+        email.to.first.should == user2.email
+        email.subject.should include(merge_request.title)
+      end
+
+      it 'should create system note about merge_request reassign' do
+        note = @merge_request.notes.last
+        note.note.should include "Reassigned to \@#{user2.username}"
+      end
+    end
+  end
+end