def testRetrieveHourlyForecast_hourCountBelowThreshold_throwsException(
self):
with self.assertRaises(ValueError) as cm:
EnvCanada.retrieveHourlyForecast('Ottawa', 0)
self.assertEqual("hourCount must be between 1 and 24.",
cm.exception.args[0])
def alertIfRainInShortermForecast(event):
forecasts = EnvCanada.retrieveHourlyForecast('Ottawa', 12)
rainPeriods = [f for f in forecasts if \
'High' == f.getPrecipationProbability() or \
'Medium' == f.getPrecipationProbability()]
if len(rainPeriods) > 0:
if len(rainPeriods) == 1:
subject = u"Possible precipation at {}".format(
rainPeriods[0].getUserFriendlyForecastTime())
else:
subject = u"Possible precipation from {} to {}".format(
rainPeriods[0].getUserFriendlyForecastTime(),
rainPeriods[-1].getUserFriendlyForecastTime())
body = u'Forecasts:\n'
body += u"{:5} {:7} {:25} {:6} {:6}\n".format('Hour: ', 'Celsius',
'Condition', 'Prob.',
'Wind')
for f in forecasts:
body += unicode(f) + '\n'
alert = Alert.createInfoAlert(subject, body)
result = AlertManager.processAlert(alert, zm)
if not result:
PE.logInfo('Failed to send rain alert')
def testRetrieveHourlyForecast_validCity_returnsForecast(self):
forecasts = EnvCanada.retrieveHourlyForecast('Ottawa')
self.assertTrue(len(forecasts) > 0)
for forecast in forecasts:
self.assertTrue(forecast.getForecastTime() >= 0)
self.assertTrue(len(forecast.getCondition()) > 0)
self.assertTrue(len(forecast.getPrecipationProbability()) > 0)
def testRetrieveHourlyForecast_validUrl_returnsForecast(self):
forecasts = EnvCanada.retrieveHourlyForecast(
'https://www.weather.gc.ca/forecast/hourly/on-118_metric_e.html',
24)
self.assertEqual(24, len(forecasts))
for forecast in forecasts:
self.assertTrue(forecast.getForecastTime() >= 0)
self.assertTrue(len(forecast.getCondition()) > 0)
self.assertTrue(len(forecast.getPrecipationProbability()) > 0)
def getMorningAnnouncement():
message = u'Good morning. It is {} degree currently; the weather ' \
'condition is {}. Forecasted temperature range is between {} and {} ' \
'degrees.'.format(
items['VT_Weather_Temperature'].intValue(),
items['VT_Weather_Condition'].toString(),
items['VT_Weather_ForecastTempMin'].intValue(),
items['VT_Weather_ForecastTempMax'].intValue())
forecasts = EnvCanada.retrieveHourlyForecast('Ottawa', 12)
rainPeriods = [f for f in forecasts if \
'High' == f.getPrecipationProbability() or \
'Medium' == f.getPrecipationProbability()]
if len(rainPeriods) > 0:
if len(rainPeriods) == 1:
message += u" There will be precipation at {}.".format(
rainPeriods[0].getUserFriendlyForecastTime())
else:
message += u" There will be precipation from {} to {}.".format(
rainPeriods[0].getUserFriendlyForecastTime(),
rainPeriods[-1].getUserFriendlyForecastTime())
return message
def testRetrieveHourlyForecast_invalidCity_throwsException(self):
with self.assertRaises(ValueError) as cm:
EnvCanada.retrieveHourlyForecast('blah')
self.assertEqual("Can't map city name to URL for blah",
cm.exception.args[0])