diff --git a/src/mad/ruby/test/MonkeyPatcher.rb b/src/mad/ruby/test/MonkeyPatcher.rb
new file mode 100644
index 0000000000..8d3841bd20
--- /dev/null
+++ b/src/mad/ruby/test/MonkeyPatcher.rb
@@ -0,0 +1,37 @@
+
+class MonkeyPatcher
+    def self.patch(&block)
+        patcher=self.new
+        
+        patcher.instance_eval &block
+        patcher.restore_all
+    end
+    
+    def initialize
+        @objects=Hash.new
+        @klasses=Hash.new
+    end
+    
+    def patch_class(klass, function, &block)
+        @klasses[klass]={} if !@klasses[klass]
+        @klasses[klass][function]=klass.instance_method(function)
+        
+        klass.instance_eval do
+            define_method(function, block)
+        end
+    end
+    
+    def restore_class(klass)
+        @klasses[klass].each do |function, method|
+            klass.instance_eval do
+                define_method(function, method)
+            end
+        end
+    end
+    
+    def restore_all
+        @klasses.each do |klass, methods|
+            restore_class(klass)
+        end
+    end
+end
diff --git a/src/mad/ruby/test/OpenNebulaDriver_spec.rb b/src/mad/ruby/test/OpenNebulaDriver_spec.rb
new file mode 100644
index 0000000000..c6a6e6da87
--- /dev/null
+++ b/src/mad/ruby/test/OpenNebulaDriver_spec.rb
@@ -0,0 +1,154 @@
+
+
+require 'OpenNebulaDriver'
+require 'test/MonkeyPatcher'
+
+def create_driver(concurrecy, threaded, retries, directory, local_actions)
+    OpenNebulaDriver.new(directory,
+        :concurrency => concurrecy,
+        :threaded => threaded,
+        :retries => retries,
+        :local_actions => local_actions)
+end
+
+local_action_tests=[
+    ['', {}],
+    ['poll', {'POLL' => nil}],
+    ['poll,migrate', {'POLL' => nil, 'MIGRATE' => nil}],
+    ['deploy,shutdown,poll=poll_ganglia, cancel ',
+        {"POLL"=>"poll_ganglia", "DEPLOY"=>nil, "SHUTDOWN"=>nil,
+            "CANCEL"=>nil}]
+]
+
+# modify read configuration to get config file from fixtures dir
+class OpenNebulaDriver
+    alias :read_configuration_old :read_configuration
+    
+    def read_configuration
+        old_one_location=ENV['ONE_LOCATION']
+        ENV['ONE_LOCATION']=File.join(ENV['PWD'], 'test', 'fixtures')
+        result=read_configuration_old
+        ENV['ONE_LOCATION']=old_one_location
+        result
+    end
+end
+
+describe OpenNebulaDriver do
+    before(:all) do
+        @concurrecy=1
+        @threaded=false
+        @retries=0
+        @directory='vmm/dummy'
+        @local_actions={
+            'POLL' => 'local_poll',
+            'MIGRATE' => nil
+        }
+        
+        @create_params=[@concurrecy, @threaded, @retries, @directory,
+            @local_actions]
+    end
+    
+    before(:each) do
+        ENV['ONE_LOCATION']=nil
+    end
+    
+    it 'should parse local actions' do
+        local_action_tests.each do |test|
+            OpenNebulaDriver.parse_actions_list(test[0]).should == test[1]
+        end
+    end
+    
+    it 'should get correct paths' do
+        driver=create_driver(*@create_params)
+        
+        driver.local_scripts_base_path.should == '/var/lib/one/remotes'
+        driver.local_scripts_path.should == '/var/lib/one/remotes/vmm/dummy'
+        driver.remote_scripts_base_path.should == '/var/tmp/one'
+        driver.remote_scripts_path.should == '/var/tmp/one/vmm/dummy'
+        
+        ENV['ONE_LOCATION']='/one'
+        
+        driver=create_driver(*@create_params)
+        
+        driver.local_scripts_base_path.should == '/one/var/remotes'
+        driver.local_scripts_path.should == '/one/var/remotes/vmm/dummy'
+        driver.remote_scripts_base_path.should == '/var/tmp/one'
+        driver.remote_scripts_path.should == '/var/tmp/one/vmm/dummy'
+    end
+    
+    it 'should distinguish local and remote actions' do
+        driver=create_driver(*@create_params)
+        
+        driver.action_is_local?(:deploy).should == false
+        driver.action_is_local?('SHUTDOWN').should == false
+        driver.action_is_local?(:migrate).should == true
+        driver.action_is_local?('migrate').should == true
+        driver.action_is_local?(:MIGRATE).should == true
+        driver.action_is_local?('MIGRATE').should == true
+    end
+    
+    it 'should call correct executable' do
+        driver=create_driver(*@create_params)
+        
+        driver.action_command_line(:deploy, 'parameter').should ==
+            '/var/tmp/one/vmm/dummy/deploy parameter'
+        driver.action_command_line(:poll, 'parameter').should ==
+            '/var/lib/one/remotes/vmm/dummy/local_poll parameter'
+        driver.action_command_line(:migrate, 'parameter').should ==
+            '/var/lib/one/remotes/vmm/dummy/migrate parameter'
+        driver.action_command_line(:test, 'parameter', 'testscr').should ==
+            '/var/tmp/one/vmm/dummy/testscr parameter'
+    end
+    
+    it 'should correctly send messages' do
+        result=""
+        driver=create_driver(*@create_params)
+        
+        MonkeyPatcher.patch do
+            patch_class(IO, :puts) do |*args|
+                result=args
+            end
+            
+            driver.send_message('action', 'SUCCESS', 15, 'some info')
+        end
+        
+        result[0].should == "action SUCCESS 15 some info"
+    end
+    
+    it 'should select remote or local execution correctly' do
+        local_action=[]
+        remotes_action=[]
+        
+        driver=create_driver(*@create_params)
+        
+        MonkeyPatcher.patch do
+            patch_class(OpenNebulaDriver, :local_action) do |*args|
+                local_action=args
+            end
+            
+            patch_class(OpenNebulaDriver, :remotes_action) do |*args|
+                remotes_action=args
+            end
+            
+            driver.do_action('some parameters', 15, 'localhost', :poll)
+            driver.do_action('some parameters', 15, 'localhost', :deploy,
+                :script_name => 'deploy_script')
+        end
+        
+        local_action.should == [
+            "/var/lib/one/remotes/vmm/dummy/local_poll some parameters 15"<<
+                " localhost",
+            15,
+            :poll]
+            
+        remotes_action.should == ["/var/tmp/one/vmm/dummy/deploy_script"<<
+                " some parameters 15 localhost",
+            15,
+            "localhost",
+            :deploy,
+            "/var/tmp/one/vmm/dummy",
+            nil]
+    end
+    
+end
+
diff --git a/src/mad/ruby/test/fixtures/var/config b/src/mad/ruby/test/fixtures/var/config
new file mode 100644
index 0000000000..bc785fa891
--- /dev/null
+++ b/src/mad/ruby/test/fixtures/var/config
@@ -0,0 +1,20 @@
+DB=BACKEND=sqlite
+DEBUG_LEVEL=3
+DEFAULT_DEVICE_PREFIX=hd
+DEFAULT_IMAGE_TYPE=OS
+HM_MAD=EXECUTABLE=one_hm
+HOST_MONITORING_INTERVAL=600
+IMAGE_MAD=ARGUMENTS=fs -t 15,EXECUTABLE=one_image
+IMAGE_REPOSITORY_PATH=/Users/jfontan/tmp/borrar/git/one/install/var//images
+IM_MAD=ARGUMENTS=-r 0 -t 15 kvm,EXECUTABLE=one_im_ssh,NAME=im_kvm
+MAC_PREFIX=02:00
+MANAGER_TIMER=15
+NETWORK_SIZE=254
+PORT=2633
+SCRIPTS_REMOTE_DIR=/var/tmp/one
+TM_MAD=ARGUMENTS=tm_nfs/tm_nfs.conf,EXECUTABLE=one_tm,NAME=tm_nfs
+VM_DIR=/Users/jfontan/tmp/borrar/git/one/install/var/
+VM_MAD=ARGUMENTS=-t 15 -r 0 kvm,DEFAULT=vmm_ssh/vmm_ssh_kvm.conf,EXECUTABLE=one_vmm_ssh,NAME=vmm_kvm,TYPE=kvm
+VM_POLLING_INTERVAL=600
+VNC_BASE_PORT=5900
+