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_all(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,
urbext2000=0)
qmeds = QmedAnalysis(catchment).qmed_all_methods()
self.assertEqual(qmeds['amax_records'], 1)
self.assertEqual(qmeds['channel_width'], 0.182)
self.assertEqual(qmeds['area'], 1.172)
self.assertAlmostEqual(qmeds['descriptors_1999'], 0.2671, 4)
def test_best_method_channel_width(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.channel_width = 1
self.assertEqual(catchment.qmed(), 0.182)
def test_channel_width_3(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.channel_width = 50
self.assertAlmostEqual(QmedAnalysis(catchment).qmed(method='channel_width'), 420.7576, 4)
def test_channel_width_2(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.channel_width = 2.345
self.assertAlmostEqual(QmedAnalysis(catchment).qmed(method='channel_width'), 0.9839, 4)