class TestPower(GaiaTestCase):
def setUp(self):
print "setUp - start"
GaiaTestCase.setUp(self)
print "setUp - about to lock"
# Make sure the lock screen is up
self.device.lock()
# Make sure the screen brightness is full on, with auto turned off
# Volume level adjust to 9 and turn on airplane mode
self.data_layer.set_setting("screen.automatic-brightness", False)
self.data_layer.set_setting("screen.brightness", 1.0)
self.data_layer.set_setting("audio.volume.content", 9)
self.data_layer.set_setting("airplaneMode.enabled", True)
# Make sure USB charging is turned off
cmd = []
cmd.append("adb")
cmd.append("shell")
cmd.append("echo 0 > /sys/class/power_supply/battery/charging_enabled")
subprocess.Popen(cmd)
# Set up the ammeter
self.ammeterFields = ('current','voltage','time')
serialPortName = None #we want powertool to figure out the port...
self.ammeter = MozillaAmmeter(serialPortName, False)
# Grab a sample, and calculate the timer offset from ammeter time to wall clock time
sample = self.ammeter.getSample(self.ammeterFields)
sampleTimeAfterEpochOffset = time.time()
firstSampleMsCounter = sample['time'].value
self.sampleTimeEpochOffset = int(sampleTimeAfterEpochOffset * 1000.0) - firstSampleMsCounter;
print "setUp - done"
def getSample(self, sampleLog, samples):
sample = self.ammeter.getSample(self.ammeterFields)
if sample is not None:
sampleObj = {}
sampleObj['current'] = sample['current'].value
sampleObj['voltage'] = sample['voltage'].value
sampleObj['time'] = sample['time'].value + self.sampleTimeEpochOffset
sampleLog.append(sampleObj)
samples.append(str(sample['current'].value))
return sampleObj['current']
else:
return None
def runPowerTestLoop(self, testName, appName, context, actionInterval, actionFunction):
sampleLog = []
samples = []
totalCurrent = 0
done = False
stopTime = time.time() + SAMPLE_TIME
nextActionTime = time.time() + actionInterval
while not done:
current = None
current = self.getSample(sampleLog, samples)
if current is not None:
totalCurrent += current
timeNow = time.time()
if timeNow > nextActionTime:
if actionFunction is not None:
actionFunction()
nextActionTime = timeNow + actionInterval
done = (timeNow > stopTime)
if len(sampleLog) == 0:
averageCurrent = 0.0
else:
averageCurrent = int(totalCurrent / len(sampleLog))
return (sampleLog, samples, averageCurrent)
def runPowerTest(self, testName, appName, context, actionInterval=SAMPLE_ACTION_TIME, actionFunction=None):
# try using the extended ammeter's ability to cut off the USB
print "Turning on debug mode"
#self.ammeter.turnOnDebugMode()
print "Turning off Aux USB on ammeter"
self.ammeter.turnOffAuxUsb()
print ""
print "Waiting", STABILIZATION_TIME, "seconds to stabilize"
time.sleep(STABILIZATION_TIME)
print "Starting power test, gathering results for", SAMPLE_TIME, "seconds"
(sampleLog, samples, averageCurrent) = self.runPowerTestLoop(testName, appName, context, actionInterval, actionFunction)
powerProfile = {}
powerProfile['testTime'] = datetime.now().strftime("%Y%m%d%H%M%S")
powerProfile['epoch'] = int(time.time() * 1000)
powerProfile['sampleLog'] = sampleLog
powerProfile['samples'] = samples
powerProfile['testName'] = testName
powerProfile['average'] = averageCurrent
powerProfile['app'] = appName
powerProfile['context'] = context + ".gaiamobile.org"
print "Sample count:", len(sampleLog)
print "Average current:", averageCurrent, "mA"
self.writeTestResults(powerProfile)
print "Turning Aux USB back on"
self.ammeter.turnOnAuxUsb()
time.sleep(5)
# Turn USB charging back on
cmd = []
cmd.append("adb")
cmd.append("forward")
cmd.append("tcp:2828")
cmd.append("tcp:2828")
print "Running adb forward tcp:2828 tcp:2828"
subprocess.Popen(cmd)
self.ammeter.softReset() # fix any USB issues that have crept in
def writeTestResults(self, powerProfile):
summaryName = '%s_%s_summary.log' % (powerProfile['testName'], powerProfile['testTime'])
summaryFile = open(summaryName, 'w')
summaryFile.write("name: power\n")
summaryFile.write("test: %s\n" % powerProfile["testName"])
summaryFile.write("time: %s\n" % powerProfile["epoch"])
summaryFile.write("average: %s\n" % powerProfile["average"])
summaryFile.write("context: %s\n" % powerProfile["context"])
summaryFile.write("app_name: %s\n" % powerProfile["app"])
summaryFile.write("\n")
summaryFile.close()
def tearDown(self):
try:
GaiaTestCase.tearDown(self)
except IOError:
print "Expected IOError in tearDown, supressing"
# Disconnect from the ammeter
self.ammeter.close()
# Turn USB charging back on
cmd = []
cmd.append("adb")
cmd.append("shell")
cmd.append("echo 1 > /sys/class/power_supply/battery/charging_enabled")
print "Turning charge flag back on"
subprocess.Popen(cmd)
class TestPower(GaiaTestCase):
def setUp(self):
print "setUp - start"
GaiaTestCase.setUp(self)
print "setUp - about to lock"
# Make sure the lock screen is up
self.device.lock()
# Make sure the screen brightness is full on, with auto turned off
# Volume level adjust to 9 and turn on airplane mode
self.data_layer.set_setting("screen.automatic-brightness", False)
self.data_layer.set_setting("screen.brightness", 1.0)
self.data_layer.set_setting("audio.volume.content", 9)
self.data_layer.set_setting("airplaneMode.enabled", True)
# Make sure USB charging is turned off
cmd = []
cmd.append("adb")
cmd.append("shell")
cmd.append("echo 0 > /sys/class/power_supply/battery/charging_enabled")
subprocess.Popen(cmd)
# Set up the ammeter
self.ammeterFields = ('current', 'voltage', 'time')
serialPortName = None #we want powertool to figure out the port...
self.ammeter = MozillaAmmeter(serialPortName, False)
# Grab a sample, and calculate the timer offset from ammeter time to wall clock time
sample = self.ammeter.getSample(self.ammeterFields)
sampleTimeAfterEpochOffset = time.time()
firstSampleMsCounter = sample['time'].value
self.sampleTimeEpochOffset = int(
sampleTimeAfterEpochOffset * 1000.0) - firstSampleMsCounter
print "setUp - done"
def getSample(self, sampleLog, samples):
sample = self.ammeter.getSample(self.ammeterFields)
if sample is not None:
sampleObj = {}
sampleObj['current'] = sample['current'].value
sampleObj['voltage'] = sample['voltage'].value
sampleObj[
'time'] = sample['time'].value + self.sampleTimeEpochOffset
sampleLog.append(sampleObj)
samples.append(str(sample['current'].value))
return sampleObj['current']
else:
return None
def runPowerTestLoop(self, testName, appName, context, actionInterval,
actionFunction):
sampleLog = []
samples = []
totalCurrent = 0
done = False
stopTime = time.time() + SAMPLE_TIME
nextActionTime = time.time() + actionInterval
while not done:
current = None
current = self.getSample(sampleLog, samples)
if current is not None:
totalCurrent += current
timeNow = time.time()
if timeNow > nextActionTime:
if actionFunction is not None:
actionFunction()
nextActionTime = timeNow + actionInterval
done = (timeNow > stopTime)
if len(sampleLog) == 0:
averageCurrent = 0.0
else:
averageCurrent = int(totalCurrent / len(sampleLog))
return (sampleLog, samples, averageCurrent)
def runPowerTest(self,
testName,
appName,
context,
actionInterval=SAMPLE_ACTION_TIME,
actionFunction=None):
# try using the extended ammeter's ability to cut off the USB
print "Turning on debug mode"
#self.ammeter.turnOnDebugMode()
print "Turning off Aux USB on ammeter"
self.ammeter.turnOffAuxUsb()
print ""
print "Waiting", STABILIZATION_TIME, "seconds to stabilize"
time.sleep(STABILIZATION_TIME)
print "Starting power test, gathering results for", SAMPLE_TIME, "seconds"
(sampleLog, samples,
averageCurrent) = self.runPowerTestLoop(testName, appName, context,
actionInterval,
actionFunction)
powerProfile = {}
powerProfile['testTime'] = datetime.now().strftime("%Y%m%d%H%M%S")
powerProfile['epoch'] = int(time.time() * 1000)
powerProfile['sampleLog'] = sampleLog
powerProfile['samples'] = samples
powerProfile['testName'] = testName
powerProfile['average'] = averageCurrent
powerProfile['app'] = appName
powerProfile['context'] = context + ".gaiamobile.org"
print "Sample count:", len(sampleLog)
print "Average current:", averageCurrent, "mA"
self.writeTestResults(powerProfile)
print "Turning Aux USB back on"
self.ammeter.turnOnAuxUsb()
time.sleep(5)
# Turn USB charging back on
cmd = []
cmd.append("adb")
cmd.append("forward")
cmd.append("tcp:2828")
cmd.append("tcp:2828")
print "Running adb forward tcp:2828 tcp:2828"
subprocess.Popen(cmd)
self.ammeter.softReset() # fix any USB issues that have crept in
def writeTestResults(self, powerProfile):
summaryName = '%s_%s_summary.log' % (powerProfile['testName'],
powerProfile['testTime'])
summaryFile = open(summaryName, 'w')
summaryFile.write("name: power\n")
summaryFile.write("test: %s\n" % powerProfile["testName"])
summaryFile.write("time: %s\n" % powerProfile["epoch"])
summaryFile.write("average: %s\n" % powerProfile["average"])
summaryFile.write("context: %s\n" % powerProfile["context"])
summaryFile.write("app_name: %s\n" % powerProfile["app"])
summaryFile.write("\n")
summaryFile.close()
def tearDown(self):
try:
GaiaTestCase.tearDown(self)
except IOError:
print "Expected IOError in tearDown, supressing"
# Disconnect from the ammeter
self.ammeter.close()
# Turn USB charging back on
cmd = []
cmd.append("adb")
cmd.append("shell")
cmd.append("echo 1 > /sys/class/power_supply/battery/charging_enabled")
print "Turning charge flag back on"
subprocess.Popen(cmd)
