def test_site_init():
site = Site(latitude=40.0, elevation=100.0)
assert site is not None
assert site.latitude == 40.0
assert site.longitude == 0.0
assert site.elevation == 100.0
def test_declination():
site = Site(latitude=47.68, longitude=-122.25, elevation=20.0)
time = Time()
solar_angles = SolarAngles(time=time, site=site)
assert round(solar_angles.declination.max(), 2) == 23.45
assert round(solar_angles.declination.min(), 2) == -23.45
def test_equation_of_time():
site = Site(latitude=47.68, longitude=-122.25, elevation=20.0)
time = Time()
solar_angles = SolarAngles(time=time, site=site)
assert round(solar_angles.equation_of_time.max(), 1) == 16.4
assert round(solar_angles.equation_of_time.min(), 1) == -14.3
def test_gamma():
site = Site(latitude=47.68, longitude=-122.25, elevation=20.0)
time = Time()
solar_angles = SolarAngles(time=time, site=site)
assert round(solar_angles.gamma.max(), 0) == 359
assert round(solar_angles.gamma.min(), 0) == 0
def test_surface_init():
site = Site()
time = Time()
solar_angles = SolarAngles(time=time, site=site)
surface = Surface('surface1', azimuth=0, tilt=90, width=1, height=1)
assert surface is not None
def test_sun_surface_azimuth():
site = Site(latitude=47.68, longitude=-122.25, elevation=20.0)
time = Time()
solar_angles = SolarAngles(time=time, site=site)
surface = Surface('surface1', azimuth=0, tilt=90, width=1, height=1)
surface_solar_angles = SurfaceSolarAngles(time, solar_angles, surface)
assert round(surface_solar_angles.sun_surface_azimuth.max(), 0) == 90.0
assert round(surface_solar_angles.sun_surface_azimuth.min(), 0) == 0.0
def test_heat_transfer_surface_init():
site = Site()
time = Time()
solar_angles = SolarAngles(time=time, site=site)
weather = EPW(time)
weather.direct_normal_radiation = np.ones(time.length)
weather.diffuse_horizontal_radiation = np.ones(time.length)
surface = Surface('surface1', azimuth=0, tilt=90, width=1, height=1)
ht_surface = HeatTransferSurface('ht_surface1', time, solar_angles,
weather, surface)
assert ht_surface is not None
def test_external_shortwave_radiation_init():
settings = Settings('')
site = Site()
time = Time()
solar_angles = SolarAngles(time=time, site=site)
weather = EPW(time)
weather.direct_normal_radiation = np.ones(time.length)
weather.diffuse_horizontal_radiation = np.ones(time.length)
surface = Surface('surface1', azimuth=0, tilt=90, width=1, height=1)
surface_solar_angles = SurfaceSolarAngles(time, solar_angles, surface)
external_shortwave_radiation = ExternalShortwaveRadiation(
time, solar_angles, weather, surface, surface_solar_angles)
assert external_shortwave_radiation is not None
def test_incident_diffuse_radiation():
settings = Settings('')
site = Site(latitude=0, longitude=0, elevation=0.0)
time = Time()
weather = EPW(time)
weather.direct_normal_radiation = np.ones(time.length)
weather.diffuse_horizontal_radiation = np.ones(time.length)
solar_angles = SolarAngles(time=time, site=site)
surface = Surface('surface1', azimuth=0, tilt=90, width=1, height=1)
surface_solar_angles = SurfaceSolarAngles(time, solar_angles, surface)
external_shortwave_radiation = ExternalShortwaveRadiation(
time, solar_angles, weather, surface, surface_solar_angles)
assert round(external_shortwave_radiation.incident_diffuse_radiation.max(),
2) == 1.3
assert round(external_shortwave_radiation.incident_diffuse_radiation.min(),
2) == 0.55
def test_us_eastern_standard_meridian_calculation():
# representative city: Washington DC, USA
site = Site(latitude=38.91, longitude=-77.04)
assert site.local_standard_meridian == -75.0
def test_us_atlantic_standard_meridian_calculation():
# representative city: Halifax, Nova Scotia, Canada
site = Site(latitude=44.65, longitude=-63.58)
assert site.local_standard_meridian == -60.0
def test_solar_angles_init():
site = Site()
time = Time()
solar_angles = SolarAngles(time=time, site=site)
assert solar_angles is not None
def test_us_hawaii_aleutian_standard_meridian_calculation():
# representative city: Honolulu, HI, USA
site = Site(latitude=21.31, longitude=-157.86)
assert site.local_standard_meridian == -150.0
def test_us_alaska_standard_meridian_calculation():
# representative city: Juneau, AK, USA
site = Site(latitude=61.22, longitude=-149.90)
assert site.local_standard_meridian == -135.0
def test_us_pacific_standard_meridian_calculation():
# representative city: Seattle, WA, USA
site = Site(latitude=47.68, longitude=-122.25)
assert site.local_standard_meridian == -120.0
def test_us_mountain_standard_meridian_calculation():
# representative city: Salt Lake City, UT, USA
site = Site(latitude=40.76, longitude=-111.89)
assert site.local_standard_meridian == -105.0
def test_us_central_standard_meridian_calculation():
# representative city: Saint Louis, MO, USA
site = Site(latitude=38.63, longitude=-90.20)
assert site.local_standard_meridian == -90.0