def test_best_method_pot(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.pot_dataset = PotDataset(start_date=date(1999, 1, 1), end_date=date(1999, 12, 31))
catchment.pot_dataset.pot_records = [PotRecord(date(1999, 1, 1), 2.0, 0.5),
PotRecord(date(1999, 12, 31), 1.0, 0.5)]
self.assertAlmostEqual(catchment.qmed(), 1.6696)
def test_best_method_pot_over_amax(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.amax_records = [AmaxRecord(date(1999, 12, 31), 1.0, 0.5),
AmaxRecord(date(2000, 12, 31), 1.0, 0.5)]
catchment.pot_dataset = PotDataset(start_date=date(1998, 1, 1), end_date=date(1999, 12, 31))
catchment.pot_dataset.pot_records = [PotRecord(date(1999, 1, 1), 3.0, 0.5),
PotRecord(date(1999, 2, 1), 2.0, 0.5),
PotRecord(date(1999, 12, 31), 1.0, 0.5)]
self.assertAlmostEqual(catchment.qmed(), 1.8789, 4)
def test_best_method_descriptors(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.channel_width = 1
catchment.descriptors = Descriptors(dtm_area=1,
bfihost=0.50,
sprhost=50,
saar=1000,
farl=1,
urbext2000=0)
self.assertAlmostEqual(catchment.qmed(), 0.5907, 4)
def test_best_method_order(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.channel_width = 1
catchment.amax_records = [AmaxRecord(date(1999, 12, 31), 1.0, 0.5),
AmaxRecord(date(2000, 12, 31), 1.0, 0.5)]
catchment.descriptors = Descriptors(dtm_area=1,
bfihost=0.50,
sprhost=50,
saar=1000,
farl=1)
self.assertEqual(catchment.qmed(), 1.0)
def test_best_method_amax(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.amax_records = [AmaxRecord(date(1999, 12, 31), 1.0, 0.5),
AmaxRecord(date(2000, 12, 31), 1.0, 0.5)]
self.assertEqual(catchment.qmed(), 1.0)
def test_best_method_area(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.descriptors = Descriptors(dtm_area=1)
self.assertEqual(catchment.qmed(), 1.172)
def test_best_method_channel_width(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.channel_width = 1
self.assertEqual(catchment.qmed(), 0.182)
def test_best_method_none(self):
catchment = Catchment("Aberdeen", "River Dee")
self.assertIsNone(catchment.qmed())
