Some test covering merge request update hook

spec/models/project_spec.rb

@@ -160,6 +160,34 @@ describe Project do
       end
     end
   end
+
+  describe :update_merge_requests do 
+    let(:project) { Factory :project }
+
+    before do
+      @merge_request = Factory :merge_request,
+        :project => project,
+        :merged => false,
+        :closed => false
+      @key = Factory :key, :user_id => project.owner.id
+    end
+
+    it "should close merge request if last commit from source branch was pushed to target branch" do
+      @merge_request.reloaded_commits
+      @merge_request.last_commit.id.should == "bcf03b5de6c33f3869ef70d68cf06e679d1d7f9a"
+      project.update_merge_requests("8716fc78f3c65bbf7bcf7b574febd583bc5d2812", "bcf03b5de6c33f3869ef70d68cf06e679d1d7f9a", "refs/heads/stable", @key.identifier)
+      @merge_request.reload
+      @merge_request.merged.should be_true
+      @merge_request.closed.should be_true
+    end
+
+    it "should update merge request commits with new one if pushed to source branch" do 
+      @merge_request.last_commit.should == nil
+      project.update_merge_requests("8716fc78f3c65bbf7bcf7b574febd583bc5d2812", "bcf03b5de6c33f3869ef70d68cf06e679d1d7f9a", "refs/heads/master", @key.identifier)
+      @merge_request.reload
+      @merge_request.last_commit.id.should == "bcf03b5de6c33f3869ef70d68cf06e679d1d7f9a"
+    end
+  end
 end
 # == Schema Information
 #