class DualSensor:
def __init__(self, pin1=11, pin2=12):
GPIO.setmode(GPIO.BOARD)
self._collector = DataCollection(period_s=120)
self._createInput(pin1, self.newstate)
# self._createInput(pin2, self.newstate)
def _createInput(self, boardPin, cb):
GPIO.setup(boardPin, GPIO.IN, pull_up_down=GPIO.PUD_DOWN)
GPIO.remove_event_detect(boardPin)
rising = lambda: cb(True)
falling = lambda: cb(False)
RPi.GPIO.add_event_detect(boardPin,
GPIO.RISING,
callback=rising,
bouncetime=50)
RPi.GPIO.add_event_detect(boardPin,
GPIO.FALLING,
callback=falling,
bouncetime=50)
def newstate(self, state):
self._collector.push(state)
class Test_DataCollection(unittest.TestCase):
sample = lambda x: 0
myInstanceNumber = 42
myInterval = 1234
myPeriod = 42
myInstance = 0
def setUp(self):
self.myInstance = DataCollection(instance=self.myInstanceNumber,
period_s=self.myPeriod)
def test_provideInstance(self):
for i in range(1, 10):
testInstance = DataCollection(instance=i)
self.assertEqual(testInstance._instance, i)
def test_defaultInstanceIsOne(self):
testInstance = DataCollection()
self.assertEqual(testInstance._instance, 1)
def test_providesDataPeriod(self):
self.assertEqual(self.myInstance._period_s, self.myPeriod)
def test_defaultPeriodOneMin(self):
testInstance = DataCollection()
self.assertEqual(testInstance._period_s, 60)
def test_capMeasurementsSize(self):
self.myInstance._period_s = 50
often = self.myInstance._period_s * 2
for i in range(0, often):
self.myInstance._measurements.append(i, i)
self.myInstance._tryEraseOldestData(i)
self.assertEqual(len(self.myInstance._measurements),
self.myInstance._period_s)
self.assertEqual(self.myInstance._measurements.data[0], 50)
def test_getCurrentData(self):
pointer, read_only_flag = self.myInstance._measurements.data.__array_interface__[
'data']
returnPointer, read_only_flag = self.myInstance.getData(
)["data"].__array_interface__['data']
self.assertEqual(returnPointer, pointer)
def test_getPeriod(self):
self.assertEqual(self.myInstance._period_s,
self.myInstance.getPeriod())
def test_changePeriod(self):
self.myInstance.changePeriod(5461)
self.assertEqual(self.myInstance._period_s, 5461)
def test_onlyChangePeriodIfProvided(self):
lastPeriod = self.myInstance._period_s
self.myInstance.changePeriod()
self.assertEqual(self.myInstance._period_s, lastPeriod)
def test_pushDataAppendToData(self):
self.myInstance.push(1)
self.assertEqual(len(self.myInstance._measurements), 1)
def test_pushDataStoresPushedData(self):
self.myInstance.push(42)
self.assertEqual(self.myInstance._measurements.data[0], 42)
def test_pushDataStoreTimeStamp(self):
time.time = MagicMock(return_value=43)
self.myInstance.push(456486)
self.assertEqual(self.myInstance._measurements.time[0], 43)
def test_pushDataStoreAmountOfData(self):
often = 9
for i in range(0, often):
myData = random.uniform(0, 1456315)
myTime = i
self.myInstance._getData = MagicMock(return_value=myData)
time.time = MagicMock(return_value=myTime)
self.myInstance.push(myData)
self.assertEqual(self.myInstance._measurements.data[i], myData)
self.assertEqual(self.myInstance._measurements.time[i], myTime)
self.assertEqual(len(self.myInstance._measurements.data), often)
def test_pushTriesToEraseOldestData(self):
time.time = MagicMock(return_value=43)
self.myInstance._tryEraseOldestData = MagicMock()
self.myInstance.push(1)
self.myInstance._tryEraseOldestData.assert_called_with(time.time())
def test_pushOnlyAcceptsNumericValue(self):
self.myInstance.logger.error = MagicMock()
self.myInstance._measurements.append = MagicMock()
self.myInstance.push("string")
self.myInstance.logger.error.assert_called()
self.myInstance._measurements.append.assert_not_called()