def test_with_other_functions(self):
def myfunc1():
return myfunc2
def myfunc2():
return myfunc3
def myfunc3():
return 1
self.assertEqual(func.trampoline(myfunc1), 1)
do_start = State(name='start',
function=setup,
on_success='do_first_step',
on_failure='do_stop')
do_first_step = State(name='first_step',
function=first_step,
on_success='do_second_step',
on_failure='do_stop')
do_second_step = State(name='second_step',
function=second_step,
on_success='do_wait',
on_failure='do_stop')
do_wait = State(name='wait',
function=wait,
on_success='do_first_step',
on_failure='do_stop')
do_stop = State(name='stop', function=stop, on_success=None, on_failure=None)
def state_machine(state):
if state.function():
new_state = globals().get(state.on_success, None)
else:
new_state = globals().get(state.on_failure, None)
if new_state:
return partial(state_machine, new_state)
if __name__ == '__main__':
trampoline(state_machine, do_start)
def test_with_args(self):
def myfunc(a):
return a
self.assertEqual(func.trampoline(myfunc, 1), 1)
def test_no_func(self):
# Test that if no function is given, trampoline is basically a glorified
# apply.
def myfunc():
return 1
self.assertEqual(func.trampoline(myfunc), 1)
print 'First step...'
return True
def second_step():
print 'Second step...'
return True
def wait():
print 'Waiting...'
return True
def stop():
print 'Stopping...'
return True
State = collections.namedtuple('State', 'name function on_success on_failure')
do_start = State(name='start', function=setup, on_success='do_first_step', on_failure='do_stop')
do_first_step = State(name='first_step', function=first_step, on_success='do_second_step', on_failure='do_stop')
do_second_step = State(name='second_step', function=second_step, on_success='do_wait', on_failure='do_stop')
do_wait = State(name='wait', function=wait, on_success='do_first_step', on_failure='do_stop')
do_stop = State(name='stop', function=stop, on_success=None, on_failure=None)
def state_machine(state):
if state.function():
new_state = globals().get(state.on_success, None)
else:
new_state = globals().get(state.on_failure, None)
if new_state:
return partial(state_machine, new_state)
if __name__ == '__main__':
trampoline(state_machine, do_start)
