added __str__

sleekxmpp/xmlstream/statemachine.py

@@ -164,6 +164,10 @@ class StateMachine(object):
 		'''
 		return self.__current_state == state
 
+	def __str__(self):
+		return "".join(( "StateMachine(", ','.join(self.__states), "): ", self.__current_state ))
+
+	
 
 class _StateCtx:
 

tests/test_statemachine.py

@@ -20,10 +20,13 @@ class testStateMachine(unittest.TestCase):
 #		self.failIf(s.two)
 		self.failIf(s['two'])
 		try:
-			s.booga
+			s['booga']
 			self.fail('s.booga is an invalid state and should throw an exception!')
 		except: pass #expected exception
 
+		# just make sure __str__ works, no reason to test its exact value:
+		print str(s)
+
 
 	def testTransitions(self):
 		"Test ensure transitions occur correctly in a single thread"