def test_daylight_hours(self): station = Station(41.42, 109) day = station.day(135) day.temp_min = 19.5 day.temp_max = 28 self.assertEqual(day.daylight_hours(), 14.3, "daylighth_hours")
def test_actual_vapour_pressure_dew(self): station = Station(41.42, 1200) station.climate = Climate() day = station.day(130) self.assertEqual(day.temp_dew, None, "Dew temp is not known") day.temp_dew = 17.0 self.assertEqual(day.temp_dew, 17.0, "Dew temp is set") self.assertEqual(day.actual_vapour_pressure(), 1.938, "Actual vapour pressure with no psychrometric data")
def test_actual_vapour_pressure_psychrometric(self): station = Station(41.42, 1200) station.climate = Climate() day = station.day(130) day.temp_wet = 19.5 day.temp_dry = 25.6 self.assertEqual(day.atmospheric_pressure(), 87.9, 87.9) self.assertEqual(day.saturation_vapour_pressure(19.5), 2.267) self.assertEqual(day.temp_dew, None, "No dew point temperature known") self.assertEqual(day.actual_vapour_pressure(), 1.91, "Actual vapour pressure from psychrometric data")
def test_actual_vapour_pressure_humidity_max_temp_min(self): station = Station(41.42, 1200) day = station.day(130) day.temp_min = 18 day.humidity_max = 82 actual_vp = day.actual_vapour_pressure() self.assertEqual( actual_vp, 1.692, "Actual vapour pressure with only humidity_max and temp_min")
def test_vapour_pressure_deficit(self): station = Station(41.42, 1200) day = station.day(130) day.temp_min = 18 day.temp_max = 25 day.humidity_max = 82 day.humidity_min = 54 vp_deficit = day.vapour_pressure_deficit() self.assertEqual(vp_deficit, 0.914, "Dtermining vapour pressure deficit")
def test_actual_vapour_pressure_humidity_mean(self): station = Station(41.42, 1200) day = station.day(130) day.temp_min = 18 day.temp_max = 25 day.humidity_mean = 68 actual_vp = day.actual_vapour_pressure() self.assertEqual( actual_vp, 1.779, "Actual vapour pressure with only humidity_mean, temp_min and temp_max" )
def test_actual_vapour_pressure_humidity(self): station = Station(41.42, 1200) station.climate = Climate() day = station.day(130) day.temp_min = 18 day.temp_max = 25 day.humidity_max = 82 day.humidity_min = 54 sat_vap_pres_min = day.saturation_vapour_pressure(day.temp_min) self.assertEqual(sat_vap_pres_min, 2.064) sat_vap_pres_max = day.saturation_vapour_pressure(day.temp_max) self.assertEqual(sat_vap_pres_max, 3.168) actual_vp = day.actual_vapour_pressure() self.assertEqual(actual_vp, 1.702)
def test_psychrometric_constant(self): station = Station(41.42, 1800) station.climate = Climate() day = station.day(130) self.assertEqual(day.psychrometric_constant(), 0.054397, "psychrometric constant")
def test_atmospheric_pressure(self): station = Station(41.42, 1800) station.climate = Climate() day = station.day(130) self.assertEqual(day.atmospheric_pressure(), 81.8, "Atmosphertic pressure")
def test_sunset_hour_angle(self): station = Station(-20.0, 1200) sunset_angle = station.day(246).sunset_hour_angle() self.assertEqual(sunset_angle, 1.527)