diff --git a/adagios/bi/tests.py b/adagios/bi/tests.py
index bb760601d..2e64dfb76 100644
--- a/adagios/bi/tests.py
+++ b/adagios/bi/tests.py
@@ -165,10 +165,10 @@ class TestBusinessProcessLogic(TestCase):
     """ This class responsible for testing business classes logic """
     def setUp(self):
         self.environment = adagios.utils.FakeAdagiosEnvironment()
-        self.environment.create_minimal_environment()
+        self.environment.create_minimal_environment(backend=adagios.settings.BACKEND)
         self.environment.configure_livestatus()
         self.environment.update_adagios_global_variables()
-        self.environment.start()
+        self.environment.start(start_command=adagios.settings.ENGINE_START_COMMAND)
 
         self.livestatus = self.environment.get_livestatus()
         self.livestatus.test()
@@ -177,7 +177,7 @@ def setUp(self):
         BusinessProcess._default_filename = filename
 
     def tearDown(self):
-        self.environment.terminate()
+        self.environment.terminate(stop_command=adagios.settings.ENGINE_STOP_COMMAND)
         os.remove(BusinessProcess._default_filename)
 
     def testBestAndWorstState(self):
diff --git a/adagios/misc/tests.py b/adagios/misc/tests.py
index fbdc28526..2a294826f 100644
--- a/adagios/misc/tests.py
+++ b/adagios/misc/tests.py
@@ -38,7 +38,7 @@ def testFakeAdagiosEnvironment(self):
         fake_adagios = self.fake_adagios
 
         # Make sure temporary environment gets created
-        fake_adagios.create_minimal_environment()
+        fake_adagios.create_minimal_environment(backend=adagios.settings.BACKEND)
         self.assertTrue(os.path.exists(fake_adagios.adagios_config_file))
 
         # Make sure adagios.settings is updated
diff --git a/adagios/settings.py b/adagios/settings.py
index ecba1e347..e7853c57c 100644
--- a/adagios/settings.py
+++ b/adagios/settings.py
@@ -183,6 +183,23 @@
 
 ]
 
+# Backend
+# Used notably for tests, to create adapted fake environments
+BACKEND = 'nagios'
+# BACKEND = 'shinken'
+
+# Engine start command
+# None works fine for Nagios, because Pynag will guess it
+ENGINE_START_COMMAND = None
+# Shinken hack, as it's not trivial to specify another configuration than
+# /etc/shinken/shinken.cfg
+# ENGINE_START_COMMAND = 'ln -s /var/run/shinken/arbiterd.pid {tmp_dir}/nagios.pid && service shinken-broker start && service shinken-poller start && service shinken-reactionner start && service shinken-receiver start && service shinken-scheduler start && /usr/bin/shinken-arbiter -c {tmp_conf} -d && sleep 10'
+
+# Engine stop command
+# None works fine for Nagios, because Pynag will guess it
+ENGINE_STOP_COMMAND = None
+# ENGINE_STOP_COMMAND = 'service shinken stop'
+
 # Graphite #
 
 # the url where to fetch data and images
diff --git a/adagios/status/tests.py b/adagios/status/tests.py
index 9feb31efc..efe12dda4 100644
--- a/adagios/status/tests.py
+++ b/adagios/status/tests.py
@@ -37,17 +37,17 @@ class LiveStatusTestCase(unittest.TestCase):
     def setUpClass(cls):
         cls.nagios_config = adagios.settings.nagios_config
         cls.environment = adagios.utils.FakeAdagiosEnvironment()
-        cls.environment.create_minimal_environment()
+        cls.environment.create_minimal_environment(backend=adagios.settings.BACKEND)
         cls.environment.configure_livestatus()
         cls.environment.update_adagios_global_variables()
-        cls.environment.start()
-        cls.livestatus = cls.environment.get_livestatus()
+        cls.environment.start(start_command=adagios.settings.ENGINE_START_COMMAND)
 
+        cls.livestatus = cls.environment.get_livestatus()
         cls.factory = RequestFactory()
 
     @classmethod
     def tearDownClass(cls):
-        cls.environment.terminate()
+        cls.environment.terminate(stop_command=adagios.settings.ENGINE_STOP_COMMAND)
 
     def testLivestatusConnectivity(self):
         requests = self.livestatus.query('GET status', 'Columns: requests')
diff --git a/adagios/utils.py b/adagios/utils.py
index 8bcad3847..3784be69b 100644
--- a/adagios/utils.py
+++ b/adagios/utils.py
@@ -144,7 +144,9 @@ def update_adagios_global_variables(self):
         adagios.settings.adagios_configfile = self.adagios_config_file
         adagios.settings.USER_PREFS_PATH = self.adagios_config_dir + "/userdata"
         adagios.settings.nagios_config = self.cfg_file
-        adagios.settings.livestatus_path = self.livestatus_socket_path
+        # we update livestatus_path only if the socket mode is used
+        if ':' not in adagios.settings.livestatus_path and '/' in adagios.settings.livestatus_path:
+            adagios.settings.livestatus_path = self.livestatus_socket_path
         reload_config_file(self.adagios_config_file)
 
     def restore_adagios_global_variables(self):
@@ -153,10 +155,10 @@ def restore_adagios_global_variables(self):
         adagios.settings.__dict__.clear()
         adagios.settings.__dict__.update(self._adagios_settings_copy)
 
-    def create_minimal_environment(self):
+    def create_minimal_environment(self, backend='nagios'):
         """ Behaves like FakeNagiosEnvironment except also creates adagios config directory """
 
-        super(FakeAdagiosEnvironment, self).create_minimal_environment()
+        super(FakeAdagiosEnvironment, self).create_minimal_environment(backend=backend)
         self.adagios_config_dir = os.path.join(self.tempdir, 'adagios')
         self.adagios_config_file = os.path.join(self.adagios_config_dir, 'adagios.conf')
 
@@ -164,9 +166,9 @@ def create_minimal_environment(self):
         with open(self.adagios_config_file, 'w') as f:
             f.write('')
 
-    def terminate(self):
+    def terminate(self, stop_command=None):
         """ Behaves like FakeNagiosEnvironment except also restores adagios.settings module """
         if self._adagios_settings_copy:
             self.restore_adagios_global_variables()
-        super(FakeAdagiosEnvironment, self).terminate()
+        super(FakeAdagiosEnvironment, self).terminate(stop_command=stop_command)