def test_descriptors_1999_2(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.descriptors = Descriptors(dtm_area=2.345,
bfihost=0,
sprhost=100,
saar=2000,
farl=0.5,
urbext2000=0)
self.assertAlmostEqual(QmedAnalysis(catchment).qmed(method='descriptors_1999'), 0.3729, 4)
def test_descriptors_2008_1(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.descriptors = Descriptors(dtm_area=1,
bfihost=0.50,
sprhost=50,
saar=1000,
farl=1,
urbext2000=0)
self.assertAlmostEqual(QmedAnalysis(catchment).qmed(method='descriptors_2008'), 0.5907, 4)
def test_descriptors_2008_urban_adjustment(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.descriptors = Descriptors(dtm_area=1,
bfihost=0.50,
sprhost=50,
saar=1000,
farl=1,
urbext2000=1)
self.assertAlmostEqual(QmedAnalysis(catchment, year=2000).urban_adj_factor(), 2.970205798, 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_descriptors_2008_urban(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.descriptors = Descriptors(dtm_area=1,
bfihost=0.50,
sprhost=50,
saar=1000,
farl=1,
urbext2000=1)
self.assertAlmostEqual(QmedAnalysis(catchment, year=2000).qmed(method='descriptors_2008', as_rural=False),
1.7546, 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_find_donors_exclude_urban(self):
other_catchment = Catchment(location="Burn A", watercourse="Village B")
other_catchment.id = 999
other_catchment.is_suitable_for_pooling = True
other_catchment.descriptors = Descriptors(urbext2000=0.031)
self.db_session.add(other_catchment)
gauged_catchments = CatchmentCollections(self.db_session)
analysis = GrowthCurveAnalysis(self.catchment, gauged_catchments)
analysis.find_donor_catchments()
donor_ids = [d.id for d in analysis.donor_catchments]
self.assertEqual([10002, 10001], donor_ids)
def test_find_donors_exclude_urban(self):
other_catchment = Catchment(location="Burn A", watercourse="Village B")
other_catchment.id = 999
other_catchment.is_suitable_for_pooling = True
other_catchment.descriptors = Descriptors(urbext2000=0.031)
self.db_session.add(other_catchment)
gauged_catchments = CatchmentCollections(self.db_session)
analysis = GrowthCurveAnalysis(self.catchment, gauged_catchments)
analysis.find_donor_catchments()
donor_ids = [d.id for d in analysis.donor_catchments]
self.assertEqual([10002, 10001], donor_ids)
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_area(self):
catchment = Catchment("Aberdeen", "River Dee")
catchment.descriptors = Descriptors(dtm_area=1)
self.assertEqual(catchment.qmed(), 1.172)