def testSensorDataToJson(self):
#Create two sensorData instances
sensorData1 = SensorData()
sensorData2 = SensorData()
#Create two sensor Data instances and check if their jsonStr are equal
#First sensorData
sensorData1.setName("Temperature Sensor")
sensorData1.addValue(9)
#change timestamp to bogus value because they will be different
sensorData1.timeStamp = "None"
#Second sensorData
sensorData2.setName("Temperature Sensor")
sensorData2.addValue(9)
#change timestamp to bogus value because they will be different
sensorData2.timeStamp = "None"
#Get their JSON strings
jsonStr1 = self.dataUtil.toJsonFromSensorData(sensorData1)
jsonStr2 = self.dataUtil.toJsonFromSensorData(sensorData2)
#Check for equality
self.assertEqual(jsonStr1, jsonStr2)
pass
def toSensorfromJson(self, jsonData):
sdDict = json.loads(jsonData)
sd = SensorData('Temperature', 0, 30)
sd.name = sdDict['name']
sd.timeStamp = sdDict['timeStamp']
sd.avgVal = sdDict['avgVal']
sd.minVal = sdDict['minVal']
sd.maxVal = sdDict['maxVal']
sd.curVal = sdDict['curVal']
return sd
def toSensorDataFromJson(self, jsonData):
sdDict = json.loads(jsonData)
sd = SensorData()
sd.name = sdDict['name']
sd.timeStamp = sdDict['timeStamp']
sd.avgValue = sdDict['avgValue']
sd.minValue = sdDict['minValue']
sd.maxValue = sdDict['maxValue']
sd.curValue = sdDict['curValue']
sd.totValue = sdDict['totValue']
sd.sampleCount = sdDict['sampleCount']
return sd
def jsonTosensor(self,jsonData):
sensedataDict = json.loads(jsonData)
print(" decode [pre] --> " + str(sensedataDict))
sensedata = SensorData('Temperature',0,30)
sensedata.name = sensedataDict['name']
sensedata.timeStamp = sensedataDict['timeStamp']
sensedata.avgVal = sensedataDict['avgVal']
sensedata.minVal = sensedataDict['minVal']
sensedata.maxVal = sensedataDict['maxVal']
sensedata.curVal = sensedataDict['curVal']
sensedata.totValue = sensedataDict['totValue']
sensedata.sampleCount = sensedataDict['sampleCount']
print(" decode [post] --> " + str(sensedata))
return sensedata
def jsonToSensorData(self, jsonData):
sdDict = json.loads(jsonData)
#print(" decode [pre] --> " + str(sdDict))
sd = SensorData("Temperature Sensor", 0.0, 30.0)
sd.name = sdDict['name']
sd.timeStamp = sdDict['time']
sd.avgValue = sdDict['avgValue']
sd.minValue = sdDict['minValue']
sd.maxValue = sdDict['maxValue']
sd.curValue = sdDict['curValue']
#print(" decode [post] --> " + str(sd))
return sd
def toSensorDataFromJson(self,jsonData):
sdDict = json.loads(jsonData)
print(" decode [pre] --> " + str(sdDict))
sd = SensorData()
sd.name = sdDict['name']
sd.timeStamp = sdDict['timeStamp']
sd.avgValue = sdDict['avgValue']
sd.minValue = sdDict['minValue']
sd.maxValue = sdDict['maxValue']
sd.curValue = sdDict['curValue']
sd.totValue = sdDict['totValue']
sd.sampleCount = sdDict['sampleCount']
print(" decode [post] --> " + str(sd))
return sd
def toSensorDataFromJson(self, jsonStr) -> SensorData:
#instantiate SensorData
sensorData = SensorData()
#use json load to convert it to a dictionary
jsonLoad = json.loads(jsonStr)
#parse and add it to the sensorData object one by one
sensorData.currentValue = jsonLoad["currentValue"]
sensorData.average = jsonLoad["average"]
sensorData.totalCount = jsonLoad["totalCount"]
sensorData.minValue = jsonLoad["minValue"]
sensorData.maxValue = jsonLoad["maxValue"]
sensorData.totalValue = jsonLoad["totalValue"]
sensorData.sensorName = jsonLoad["sensorName"]
sensorData.timeStamp = jsonLoad["timestamp"]
#return the SensorData reference
return sensorData