class AutomaticTest(unittest.TestCase):
def setUp(self):
self.qToEe = Queue()
self.qFromEe = Queue()
self.ee = ExecutionEngine(1, self.qToEe, self.qFromEe, Lock())
self.ee.start()
self.transceive('{} {}'.format('setRecipe', './recipes/test.csv'))
def tearDown(self):
self.transceive('quit')
self.ee.join()
def test_flow(self):
self.assertEqual(self.transceive('start'), 'timed out')
self.assertAlmostEqual(self.transceive('getPv'), 26, delta=1)
self.assertEqual(self.transceive('getSv'), 30)
self.assertAlmostEqual(self.transceive('getTotalRemainingTime'),
32,
delta=1)
time.sleep(6)
self.assertAlmostEqual(self.transceive('getRemainingStepTime'),
4.5,
delta=1)
def transceive(self, commandname):
self.qToEe.put(commandname)
try:
return float(self.qFromEe.get(block=True, timeout=1))
except Empty:
return 'timed out'
except TypeError:
pass
def manualTest():
qToEe = Queue()
qFromEe = Queue()
ee = ExecutionEngine(1, qToEe, qFromEe, Lock())
ee.setRecipe('./recipes/test.csv')
ee.start()
printAvailableCommands()
while True:
command = input('command: ')
if command == 'q':
break
if not command in commands.keys():
continue
qToEe.put(command)
try:
print('respone: {}'.format(qFromEe.get(block=True, timeout=1)))
except Empty:
print('timed out')
qToEe.put('quit')
ee.join()
class StateMachine():
def __init__(self, brewView, tempControllerAddress, interfaceLock):
self.brewView = brewView
self.tempControllerAddress = tempControllerAddress
self.qToEe = Queue()
self.qFromEe = Queue()
self.ee = ExecutionEngine(self.tempControllerAddress,
self.qToEe,
self.qFromEe,
interfaceLock)
self.ee.start()
self.setupLogger()
def setupLogger(self):
self.logger = logging.getLogger('{}_{}'.format(
__name__, self.tempControllerAddress))
self.logger.setLevel(logging.INFO)
fh = logging.handlers.RotatingFileHandler('statemachine.log',
maxBytes=20000,
backupCount=5)
fh.setLevel(logging.DEBUG)
formatter = logging.Formatter(
'%(asctime)s - %(name)s - %(process)d - %(levelname)s - %(message)s')
fh.setFormatter(formatter)
self.logger.addHandler(fh)
def start(self):
self.logger.info('start')
self.logger.info('selected recipe: {}'.format(self.brewView.getRecipe()))
self.qToEe.put('{} {}'.format('setRecipe', self.brewView.getRecipe()))
self.qToEe.put('start')
def stop(self):
self.logger.info('stop')
self.qToEe.put('stop')
def quit(self):
self.logger.info('quit')
self.qToEe.put('quit')
self.ee.join()
def updateViews(self):
self.logger.debug('update views')
self.clearQFromEe()
self.updateSv()
self.updatePv()
self.updateRemainingStepTime()
self.updateTotalRemainingTime()
def clearQFromEe(self):
for i in range(self.qFromEe.qsize()):
self.qFromEe.get()
def updateSv(self):
self.qToEe.put('getSv')
sv = self.qFromEe.get()
if not sv == None:
self.brewView.setSetValue(sv)
def updatePv(self):
self.qToEe.put('getPv')
pv = self.qFromEe.get()
if not pv == None:
self.brewView.setProcessValue(pv)
def updateRemainingStepTime(self):
self.qToEe.put('getRemainingStepTime')
rst = self.qFromEe.get()
if not rst == None:
self.brewView.setStepTimeLeft(rst)
def updateTotalRemainingTime(self):
self.qToEe.put('getTotalRemainingTime')
trt = self.qFromEe.get()
if not trt == None:
self.brewView.setTotalTimeLeft(trt)
