def test_hooks(self):
s = State('s',
will_enter=self.sample_hook('wen'),
will_exit=self.sample_hook('wex'),
entered=self.sample_hook('en'),
exited=self.sample_hook('ex'))
assert s.will_enter() == 'wen'
assert s.will_exit() == 'wex'
assert s.entered() == 'en'
assert s.exited() == 'ex'
def test_empty(self):
s = State('s')
assert s.will_enter() == None
assert s.will_exit() == None
assert s.entered() == None
assert s.exited() == None
