Re #8107. Expose updateFacilities to python.

Also modify setFacility - why was it pointing to setString???

Code/Mantid/Framework/PythonInterface/mantid/kernel/src/Exports/ConfigService.cpp

@@ -64,7 +64,9 @@ void export_ConfigService()
          (arg("facilityName")), return_value_policy<reference_existing_object>(),
          "Returns the named facility. Raises an RuntimeError if it does not exist")
 
-    .def("setFacility", &ConfigServiceImpl::setString, (arg("facilityName")), "Sets the current facility to the given name")
+    .def("setFacility", &ConfigServiceImpl::setFacility, "Sets the current facility to the given name")
+
+    .def("updateFacilities", &ConfigServiceImpl::updateFacilities, "Loads facility information from a provided file")
 
     .def("getInstrument", &ConfigServiceImpl::getInstrument,
           getInstrument_Overload("Returns the named instrument. If name = \"\" then the default.instrument is returned",

Code/Mantid/Framework/PythonInterface/test/python/mantid/kernel/ConfigServiceTest.py

@@ -42,6 +42,13 @@ def test_getFacilities_and_Facility_Names_are_in_sync_and_non_empty(self):
         for i in range(len(names)):
             self.assertEquals(names[i],facilities[i].name())
 
+    def test_update_and_set_facility(self):
+        self.assertFalse("TEST" in config.getFacilityNames())
+        ConfigService.updateFacilities(os.path.join(ConfigService.getInstrumentDirectory(),"IDFs_for_UNIT_TESTING/UnitTestFacilities.xml"))
+        ConfigService.setFacility("TEST")
+        self.assertEquals(config.getFacility().name(), "TEST")
+        self.assertRaises(RuntimeError, config.getFacility, "SNS")
+
     def test_getInstrumentReturns_A_InstrumentInfo_Object(self):
         self.assertTrue(isinstance(config.getInstrument("WISH"), InstrumentInfo))
         self.assertRaises(RuntimeError, config.getInstrument, "MadeUpInstrument")