def test__EventArgEventArg_ActionAction_Condition__Valid(self):
example = 'EvConfig1(1), EvConfig2(2) [ i > k ] / Action1() { [] }, Action2()'
parser = TransitionParser(example)
events, condition, actions = parser.get_transition_items()
self.assertEqual(events, 'EvConfig1(1), EvConfig2(2)')
self.assertEqual(condition, 'i > k')
self.assertEqual(actions, 'Action1() { [] }, Action2()')
def test__EventNoBraces_NonActions_NonCondition__Valid(self):
example = 'EvConfig1'
parser = TransitionParser(example)
events, condition, actions = parser.get_transition_items()
self.assertEqual(events, 'EvConfig1')
self.assertEqual(actions, '')
self.assertEqual(condition, '')
def test__Event_NonActions_Condition__Valid(self):
example = 'EvConfig1() [ i > k ]'
parser = TransitionParser(example)
events, condition, actions = parser.get_transition_items()
self.assertEqual(events, 'EvConfig1()')
self.assertEqual(condition, 'i > k')
self.assertEqual(actions, '')
def test__Event_ActionPlusStringAction_Condition__Valid(self):
example = 'EvConfig1() [ i > k ] / Action1() { [ "Hello Denis" ] }, Action2()'
parser = TransitionParser(example)
events, condition, actions = parser.get_transition_items()
self.assertEqual(events, 'EvConfig1()')
self.assertEqual(condition, 'i > k')
self.assertEqual(actions, 'Action1() { [ "Hello Denis" ] }, Action2()')
def test__Event_ActionAction_Condition2__Valid(self):
example = 'powerOn{} [ name.size() > default_name.size() ] / Action(), Action2()'
parser = TransitionParser(example)
events, condition, actions = parser.get_transition_items()
self.assertEqual(events, 'powerOn{}')
self.assertEqual(condition, 'name.size() > default_name.size()')
self.assertEqual(actions, 'Action(), Action2()')
def _parse_transition(self, instructions, parent_state=None):
"""
:param instructions:
:param parent_state:
:return:
"""
states = set()
transitions = set()
transition_meta = _transition.finditer(instructions)
for transition in transition_meta:
from_state_name = transition.group('state_from')
to_state_name = transition.group('state_to')
comment = transition.group('comment')
events = []
actions = []
condition = None
if comment is not None:
parser = TransitionParser(comment)
raw_events, raw_condition, raw_actions = parser.get_transition_items(
)
events = self._parse_events(raw_events)
actions = self._parse_actions(raw_actions)
condition = self._parse_condition(raw_condition)
if from_state_name != '[*]':
from_state = State.create_state(from_state_name, parent_state)
for state in states:
if from_state == state:
state.sub_states.update(from_state.sub_states)
state.transitions.update(from_state.transitions)
break
else:
states.add(from_state)
else:
from_state = parent_state
if to_state_name != '[*]':
to_state = State.create_state(to_state_name, parent_state)
for state in states:
if to_state == state:
state.sub_states.update(to_state.sub_states)
state.transitions.update(to_state.transitions)
break
else:
states.add(to_state)
else:
to_state = parent_state
transitions.add(
Transition(from_state, to_state, events, actions, condition))
return states, transitions