def test_eto_hargreaves(self):
day = Station(41.42, 109).day(295)
day.temp_min = 19.5
day.temp_max = 26.5
eto = day.eto_hargreaves()
self.assertEqual(eto, 4.97)
def test_net_radiation(self):
day = Station(-22.90, 1200).day(135)
day.temp_max = 25.1
day.temp_min = 19.1
day.vapour_pressure = 2.1
net_radiation = day.net_radiation(7.1)
self.assertEqual(net_radiation, 7.6)
def test_solar_radiation_from_temp(self):
day = Station(45.72, 200).day(196)
day.temp_max = 26.6
day.temp_min = 14.8
ra = day.R_a()
self.assertEqual(ra, 40.6)
solar_radiation = day.solar_radiation()
self.assertEqual(solar_radiation, 22.3)
self.assertEqual(day.solar_radiation_in_mm(), 9.1)
def test_net_longwave_radiation(self):
day = Station(-22.90, 1200).day(135)
day.temp_max = 25.1
day.temp_min = 19.1
day.vapour_pressure = 2.1
vp = day.actual_vapour_pressure()
self.assertEqual(vp, 2.1)
r_nl = day.R_nl(7.1)
self.assertEqual(r_nl, 3.5)
def test_net_radiation_without_radiation_data(self):
day = Station(13.73, 2).day(105)
climate = day.station.climate
climate.coastal()
day.temp_min = 25.6
day.temp_max = 34.8
self.assertEqual(Station(13.73, 2).latitude_rad, 0.24)
ra = day.R_a()
self.assertEqual(ra, 38.0)
net_radiation = day.net_radiation()
self.assertEqual(net_radiation, 14.0)
def test_eto(self):
day = Station(41.42, 109).day(150)
day.temp_min = 19.5
day.temp_max = 36.5
day.wind_speed = 2
#day.humidity_mean = 60
self.assertEqual(day.slope_of_saturation_vapour_pressure(23), 0.169921)
self.assertEqual(day.net_radiation(), 16.1)
self.assertEqual(day.soil_heat_flux(), 0)
self.assertEqual(day.psychrometric_constant(), 0.0665)
self.assertEqual(day.wind_speed_2m(), 2)
self.assertEqual(day.vapour_pressure_deficit(), 2.186)
eto = day.eto()
self.assertEqual(eto, 6.98)