def test_remove_measure(self):
"""Test remove_measure method"""
hazard = Hazard.from_mat(HAZ_TEST_MAT)
entity = Entity.from_excel(ENT_DEMO_TODAY)
entity.check()
entity.exposures.ref_year = 2018
cost_ben = CostBenefit()
cost_ben.calc(hazard,
entity,
future_year=2040,
risk_func=risk_aai_agg,
imp_time_depen=None,
save_imp=True)
to_remove = 'Mangroves'
self.assertTrue(to_remove in cost_ben.benefit.keys())
cost_ben.remove_measure(to_remove)
self.assertTrue(to_remove not in cost_ben.color_rgb.keys())
self.assertTrue(to_remove not in cost_ben.benefit.keys())
self.assertTrue(to_remove not in cost_ben.cost_ben_ratio.keys())
self.assertTrue(to_remove not in cost_ben.imp_meas_future.keys())
self.assertTrue(to_remove not in cost_ben.imp_meas_present.keys())
self.assertEqual(len(cost_ben.imp_meas_present), 0)
self.assertEqual(len(cost_ben.imp_meas_future), 4)
self.assertEqual(len(cost_ben.color_rgb), 4)
self.assertEqual(len(cost_ben.cost_ben_ratio), 3)
self.assertEqual(len(cost_ben.benefit), 3)
def test_excel_io(self):
"""Test write and read in excel"""
ent = Entity.from_excel(ENT_DEMO_TODAY)
ent.check()
hazard = Hazard.from_mat(HAZ_TEST_MAT)
imp_write = Impact()
ent.exposures.assign_centroids(hazard)
imp_write.calc(ent.exposures, ent.impact_funcs, hazard)
file_name = DATA_FOLDER.joinpath('test.xlsx')
imp_write.write_excel(file_name)
imp_read = Impact.from_excel(file_name)
np.testing.assert_array_equal(imp_write.event_id, imp_read.event_id)
np.testing.assert_array_equal(imp_write.date, imp_read.date)
np.testing.assert_array_equal(imp_write.coord_exp, imp_read.coord_exp)
np.testing.assert_array_almost_equal_nulp(imp_write.eai_exp,
imp_read.eai_exp,
nulp=5)
np.testing.assert_array_almost_equal_nulp(imp_write.at_event,
imp_read.at_event,
nulp=5)
np.testing.assert_array_equal(imp_write.frequency, imp_read.frequency)
self.assertEqual(imp_write.tot_value, imp_read.tot_value)
self.assertEqual(imp_write.aai_agg, imp_read.aai_agg)
self.assertEqual(imp_write.unit, imp_read.unit)
self.assertEqual(
0,
len([
i for i, j in zip(imp_write.event_name, imp_read.event_name)
if i != j
]))
self.assertIsInstance(imp_read.crs, str)
def test_calc_imp_mat_pass(self):
"""Test save imp_mat"""
# Read default entity values
ent = Entity.from_excel(ENT_DEMO_TODAY)
ent.check()
# Read default hazard file
hazard = Hazard.from_mat(HAZ_TEST_MAT)
# Create impact object
impact = Impact()
# Assign centroids to exposures
ent.exposures.assign_centroids(hazard)
# Compute the impact over the whole exposures
impact.calc(ent.exposures, ent.impact_funcs, hazard, save_mat=True)
self.assertIsInstance(impact.imp_mat, sparse.csr_matrix)
self.assertEqual(impact.imp_mat.shape,
(hazard.event_id.size, ent.exposures.gdf.value.size))
np.testing.assert_array_almost_equal_nulp(np.array(
impact.imp_mat.sum(axis=1)).ravel(),
impact.at_event,
nulp=5)
np.testing.assert_array_almost_equal_nulp(
np.sum(impact.imp_mat.toarray() * impact.frequency[:, None],
axis=0).reshape(-1), impact.eai_exp)
def test_impact(self):
ent = Entity.from_excel(ENT_DEMO_TODAY)
ent.check()
hazard = Hazard.from_mat(HAZ_TEST_MAT)
impact = Impact()
ent.exposures.assign_centroids(hazard)
impact.calc(ent.exposures, ent.impact_funcs, hazard)
return impact
def test_combine_current_pass(self):
"""Test combine_measures with only future"""
hazard = Hazard.from_mat(HAZ_TEST_MAT)
entity = Entity.from_excel(ENT_DEMO_TODAY)
entity.check()
entity.exposures.ref_year = 2018
cost_ben = CostBenefit()
cost_ben.calc(hazard,
entity,
future_year=2040,
risk_func=risk_aai_agg,
imp_time_depen=None,
save_imp=True)
new_name = 'combine'
new_color = np.array([0.1, 0.1, 0.1])
new_cb = cost_ben.combine_measures(['Mangroves', 'Seawall'],
new_name,
new_color,
entity.disc_rates,
imp_time_depen=None,
risk_func=risk_aai_agg)
self.assertTrue(np.allclose(new_cb.color_rgb[new_name], new_color))
self.assertEqual(len(new_cb.imp_meas_present), 0)
new_imp = cost_ben.imp_meas_future['no measure']['impact'].at_event - \
cost_ben.imp_meas_future['Mangroves']['impact'].at_event
new_imp += cost_ben.imp_meas_future['no measure']['impact'].at_event - \
cost_ben.imp_meas_future['Seawall']['impact'].at_event
new_imp = np.maximum(
cost_ben.imp_meas_future['no measure']['impact'].at_event -
new_imp, 0)
self.assertTrue(
np.allclose(new_cb.imp_meas_future[new_name]['impact'].at_event,
new_imp))
self.assertAlmostEqual(
new_cb.imp_meas_future[new_name]['risk'],
np.sum(new_imp *
cost_ben.imp_meas_future['no measure']['impact'].frequency),
5)
self.assertAlmostEqual(
new_cb.imp_meas_future[new_name]['cost'][0],
cost_ben.imp_meas_future['Mangroves']['cost'][0] +
cost_ben.imp_meas_future['Seawall']['cost'][0])
self.assertAlmostEqual(new_cb.imp_meas_future[new_name]['cost'][1], 1)
self.assertTrue(
np.allclose(
new_cb.imp_meas_future[new_name]['efc'].impact,
new_cb.imp_meas_future[new_name]
['impact'].calc_freq_curve().impact))
self.assertAlmostEqual(new_cb.imp_meas_future[new_name]['risk_transf'],
0)
self.assertAlmostEqual(new_cb.benefit[new_name],
51781337529.07264,
places=3)
self.assertAlmostEqual(new_cb.cost_ben_ratio[new_name],
0.19679962474434248)
def test_ref_value_insure_pass(self):
"""Test result against reference value"""
# Read demo entity values
# Set the entity default file to the demo one
ent = Entity.from_excel(ENT_DEMO_TODAY)
ent.check()
# Read default hazard file
hazard = Hazard.from_mat(HAZ_TEST_MAT)
# Create impact object
impact = Impact()
impact.at_event = np.zeros(hazard.intensity.shape[0])
impact.eai_exp = np.zeros(len(ent.exposures.gdf.value))
impact.tot_value = 0
# Assign centroids to exposures
ent.exposures.assign_centroids(hazard)
# Compute impact for 6th exposure
iexp = 5
# Take its impact function
imp_id = ent.exposures.gdf.impf_TC[iexp]
imp_fun = ent.impact_funcs.get_func(hazard.tag.haz_type, imp_id)
# Compute
insure_flag = True
impact._exp_impact(np.array([iexp]), ent.exposures, hazard, imp_fun,
insure_flag)
self.assertEqual(impact.eai_exp.size, ent.exposures.gdf.shape[0])
self.assertEqual(impact.at_event.size, hazard.intensity.shape[0])
events_pos = hazard.intensity[:, ent.exposures.gdf.
centr_TC[iexp]].nonzero()[0]
res_exp = np.zeros((ent.exposures.gdf.shape[0]))
res_exp[iexp] = np.sum(impact.at_event[events_pos] *
hazard.frequency[events_pos])
np.testing.assert_array_equal(res_exp, impact.eai_exp)
self.assertEqual(0, impact.at_event[12])
# Check first 3 values
self.assertEqual(0, impact.at_event[12])
self.assertEqual(0, impact.at_event[41])
self.assertEqual(1.0626600695059455e+06, impact.at_event[44])
# Check intermediate values
self.assertEqual(0, impact.at_event[6281])
self.assertEqual(0, impact.at_event[4998])
self.assertEqual(0, impact.at_event[9527])
self.assertEqual(1.3318063850487845e+08, impact.at_event[7192])
self.assertEqual(4.667108555054083e+06, impact.at_event[8624])
# Check last 3 values
self.assertEqual(0, impact.at_event[14349])
self.assertEqual(0, impact.at_event[14347])
self.assertEqual(0, impact.at_event[14309])
def test_wrongImpFun_fail(self):
"""Wrong impact functions"""
ent = Entity.from_excel(ENT_TEMPLATE_XLS)
ent.impact_funcs.get_func('TC', 1).paa = np.array([1, 2])
with self.assertRaises(ValueError) as cm:
ent.check()
self.assertIn('ImpactFunc.paa', str(cm.exception))
with self.assertRaises(ValueError) as cm:
ent.impact_funcs = Exposures()
self.assertIn('ImpactFuncSet', str(cm.exception))
def test_from_excel(self):
"""Read entity from an xls file following the template."""
entity_xls = Entity.from_excel(ENT_TEMPLATE_XLS)
self.assertEqual(entity_xls.exposures.tag.file_name,
str(ENT_TEMPLATE_XLS))
self.assertEqual(entity_xls.disc_rates.tag.file_name,
str(ENT_TEMPLATE_XLS))
self.assertEqual(entity_xls.measures.tag.file_name,
str(ENT_TEMPLATE_XLS))
self.assertEqual(entity_xls.impact_funcs.tag.file_name,
str(ENT_TEMPLATE_XLS))
def test_wrongDisc_fail(self):
"""Wrong discount rates"""
ent = Entity.from_excel(ENT_TEMPLATE_XLS)
ent.disc_rates.rates = np.array([1, 2])
with self.assertRaises(ValueError) as cm:
ent.check()
self.assertIn('DiscRates.rates', str(cm.exception))
with self.assertRaises(ValueError) as cm:
ent.disc_rates = Exposures()
self.assertIn('DiscRates', str(cm.exception))
def test_wrongMeas_fail(self):
"""Wrong measures"""
ent = Entity.from_excel(ENT_TEMPLATE_XLS)
actions = ent.measures.get_measure('TC')
actions[0].color_rgb = np.array([1, 2])
with self.assertRaises(ValueError) as cm:
ent.check()
self.assertIn('Measure.color_rgb', str(cm.exception))
with self.assertRaises(ValueError) as cm:
ent.measures = Exposures()
self.assertIn('MeasureSet', str(cm.exception))
def test_impact_pass(self):
"""Plot impact exceedence frequency curves."""
myent = Entity.from_excel(ENT_DEMO_TODAY)
myent.exposures.check()
myhaz = Hazard.from_mat(HAZ_DEMO_MAT)
myimp = Impact()
myimp.calc(myent.exposures, myent.impact_funcs, myhaz)
ifc = myimp.calc_freq_curve()
myax = ifc.plot()
self.assertIn('Exceedance frequency curve', myax.get_title())
ifc2 = ImpactFreqCurve()
ifc2.return_per = ifc.return_per
ifc2.impact = 1.5e11 * np.ones(ifc2.return_per.size)
ifc2.unit = ''
ifc2.label = 'prove'
ifc2.plot(axis=myax)
def test_ref_value_pass(self):
"""Test result against reference value"""
# Read default entity values
ent = Entity.from_excel(ENT_DEMO_TODAY)
ent.check()
# Read default hazard file
hazard = Hazard.from_mat(HAZ_TEST_MAT)
# Create impact object
impact = Impact()
# Assign centroids to exposures
ent.exposures.assign_centroids(hazard)
# Compute the impact over the whole exposures
impact.calc(ent.exposures, ent.impact_funcs, hazard)
# Check result
num_events = len(hazard.event_id)
num_exp = ent.exposures.gdf.shape[0]
# Check relative errors as well when absolute value gt 1.0e-7
# impact.at_event == EDS.damage in MATLAB
self.assertEqual(num_events, len(impact.at_event))
self.assertEqual(0, impact.at_event[0])
self.assertEqual(0, impact.at_event[int(num_events / 2)])
self.assertAlmostEqual(1.472482938320243e+08, impact.at_event[13809])
self.assertEqual(7.076504723057620e+10, impact.at_event[12147])
self.assertEqual(0, impact.at_event[num_events - 1])
# impact.eai_exp == EDS.ED_at_centroid in MATLAB
self.assertEqual(num_exp, len(impact.eai_exp))
self.assertAlmostEqual(1.518553670803242e+08, impact.eai_exp[0])
self.assertAlmostEqual(1.373490457046383e+08,
impact.eai_exp[int(num_exp / 2)], 6)
self.assertAlmostEqual(1.373490457046383e+08,
impact.eai_exp[int(num_exp / 2)], 5)
self.assertAlmostEqual(1.066837260150042e+08,
impact.eai_exp[num_exp - 1], 6)
self.assertAlmostEqual(1.066837260150042e+08,
impact.eai_exp[int(num_exp - 1)], 5)
# impact.tot_value == EDS.Value in MATLAB
# impact.aai_agg == EDS.ED in MATLAB
self.assertAlmostEqual(6.570532945599105e+11, impact.tot_value)
self.assertAlmostEqual(6.512201157564421e+09, impact.aai_agg, 5)
self.assertAlmostEqual(6.512201157564421e+09, impact.aai_agg, 5)
def test_select_event_identity_pass(self):
""" test select same impact with event name, id and date """
# Read default entity values
ent = Entity.from_excel(ENT_DEMO_TODAY)
ent.check()
# Read default hazard file
hazard = Hazard.from_mat(HAZ_TEST_MAT)
# Create impact object
imp = Impact()
# Assign centroids to exposures
ent.exposures.assign_centroids(hazard)
# Compute the impact over the whole exposures
imp.calc(ent.exposures, ent.impact_funcs, hazard, save_mat=True)
sel_imp = imp.select(event_ids=imp.event_id,
event_names=imp.event_name,
dates=(min(imp.date), max(imp.date)))
self.assertTrue(u_coord.equal_crs(sel_imp.crs, imp.crs))
self.assertEqual(sel_imp.unit, imp.unit)
np.testing.assert_array_equal(sel_imp.event_id, imp.event_id)
self.assertEqual(sel_imp.event_name, imp.event_name)
np.testing.assert_array_equal(sel_imp.date, imp.date)
np.testing.assert_array_equal(sel_imp.frequency, imp.frequency)
np.testing.assert_array_equal(sel_imp.at_event, imp.at_event)
np.testing.assert_array_equal(sel_imp.imp_mat.todense(),
imp.imp_mat.todense())
np.testing.assert_array_equal(sel_imp.eai_exp, imp.eai_exp)
self.assertAlmostEqual(round(sel_imp.aai_agg, 5),
round(imp.aai_agg, 5))
self.assertEqual(sel_imp.tot_value, imp.tot_value)
np.testing.assert_array_equal(sel_imp.coord_exp, imp.coord_exp)
self.assertIsInstance(sel_imp, Impact)
self.assertIsInstance(sel_imp.imp_mat, sparse.csr_matrix)
def test_calc_impf_pass(self):
"""Execute when no impf_HAZ present, but only impf_"""
ent = Entity.from_excel(ENT_DEMO_TODAY)
self.assertTrue('impf_TC' in ent.exposures.gdf.columns)
ent.exposures.gdf.rename(columns={'impf_TC': 'impf_'}, inplace=True)
self.assertFalse('impf_TC' in ent.exposures.gdf.columns)
ent.check()
# Read default hazard file
hazard = Hazard.from_mat(HAZ_TEST_MAT)
# Create impact object
impact = Impact()
impact.calc(ent.exposures, ent.impact_funcs, hazard)
# Check result
num_events = len(hazard.event_id)
num_exp = ent.exposures.gdf.shape[0]
# Check relative errors as well when absolute value gt 1.0e-7
# impact.at_event == EDS.damage in MATLAB
self.assertEqual(num_events, len(impact.at_event))
self.assertEqual(0, impact.at_event[0])
self.assertEqual(0, impact.at_event[int(num_events / 2)])
self.assertAlmostEqual(1.472482938320243e+08, impact.at_event[13809])
self.assertEqual(7.076504723057620e+10, impact.at_event[12147])
self.assertEqual(0, impact.at_event[num_events - 1])
# impact.eai_exp == EDS.ED_at_centroid in MATLAB
self.assertEqual(num_exp, len(impact.eai_exp))
self.assertAlmostEqual(1.518553670803242e+08, impact.eai_exp[0])
self.assertAlmostEqual(1.373490457046383e+08,
impact.eai_exp[int(num_exp / 2)], 6)
self.assertAlmostEqual(1.373490457046383e+08,
impact.eai_exp[int(num_exp / 2)], 5)
self.assertAlmostEqual(1.066837260150042e+08,
impact.eai_exp[num_exp - 1], 6)
self.assertAlmostEqual(1.066837260150042e+08,
impact.eai_exp[int(num_exp - 1)], 5)
# impact.tot_value == EDS.Value in MATLAB
# impact.aai_agg == EDS.ED in MATLAB
self.assertAlmostEqual(6.570532945599105e+11, impact.tot_value)
self.assertAlmostEqual(6.512201157564421e+09, impact.aai_agg, 5)
self.assertAlmostEqual(6.512201157564421e+09, impact.aai_agg, 5)
def test_default_pass(self):
"""Instantiating the Entity class the default entity file is loaded"""
# Set demo file as default
def_entity = Entity.from_excel(ENT_TEMPLATE_XLS)
# Check default demo excel file has been loaded
self.assertEqual(len(def_entity.exposures.gdf.deductible), 24)
self.assertEqual(def_entity.exposures.gdf.value[2], 12596064143.542929)
self.assertEqual(len(def_entity.impact_funcs.get_func('TC', 1).mdd),
25)
self.assertIn('risk transfer', def_entity.measures.get_names('TC'))
self.assertEqual(def_entity.disc_rates.years[5], 2005)
self.assertTrue(isinstance(def_entity.disc_rates, DiscRates))
self.assertTrue(isinstance(def_entity.exposures, Exposures))
self.assertTrue(isinstance(def_entity.impact_funcs, ImpactFuncSet))
self.assertTrue(isinstance(def_entity.measures, MeasureSet))
def test_calc_no_change_pass(self):
"""Test calc without future change"""
hazard = Hazard.from_mat(HAZ_TEST_MAT)
entity = Entity.from_excel(ENT_DEMO_TODAY)
entity.check()
entity.exposures.ref_year = 2018
cost_ben = CostBenefit()
cost_ben.calc(hazard, entity, future_year=2040)
self.assertEqual(cost_ben.imp_meas_present, dict())
self.assertEqual(len(cost_ben.imp_meas_future), 5)
self.assertEqual(cost_ben.present_year, 2018)
self.assertEqual(cost_ben.future_year, 2040)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Mangroves'],
0.04230714690616641)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Beach nourishment'],
0.06998836431681373)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Seawall'],
0.2679741183248266)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Building code'],
0.30286828677985717)
self.assertAlmostEqual(cost_ben.benefit['Mangroves'],
3.100583368954022e+10,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Beach nourishment'],
2.468981832719974e+10,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Seawall'],
3.3132973770502796e+10,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Building code'],
3.0376240767284798e+10,
places=3)
self.assertAlmostEqual(cost_ben.tot_climate_risk,
1.2150496306913972e+11,
places=3)
def test_local_exceedance_imp_pass(self):
"""Test calc local impacts per return period"""
# Read default entity values
ent = Entity.from_excel(ENT_DEMO_TODAY)
ent.check()
# Read default hazard file
hazard = Hazard.from_mat(HAZ_TEST_MAT)
# Create impact object
impact = Impact()
# Assign centroids to exposures
ent.exposures.assign_centroids(hazard)
# Compute the impact over the whole exposures
impact.calc(ent.exposures, ent.impact_funcs, hazard, save_mat=True)
# Compute the impact per return period over the whole exposures
impact_rp = impact.local_exceedance_imp(return_periods=(10, 40))
self.assertIsInstance(impact_rp, np.ndarray)
self.assertEqual(impact_rp.size, 2 * ent.exposures.gdf.value.size)
self.assertAlmostEqual(np.max(impact_rp), 2916964966.388219, places=5)
self.assertAlmostEqual(np.min(impact_rp), 444457580.131494, places=5)
def ent_fut_dem():
entity = Entity.from_excel(ENT_DEMO_FUTURE)
entity.exposures.ref_year = 2040
entity.check()
return entity
def ent_dem():
entity = Entity.from_excel(ENT_DEMO_TODAY)
entity.exposures.ref_year = 2018
entity.check()
return entity
def test_calc_cb_change_pass(self):
"""Test _calc_cost_benefit with present value against reference value"""
hazard = Hazard.from_mat(HAZ_TEST_MAT)
entity = Entity.from_mat(ENT_TEST_MAT)
entity.measures._data['TC'] = entity.measures._data.pop('XX')
for meas in entity.measures.get_measure('TC'):
meas.haz_type = 'TC'
entity.check()
cost_ben = CostBenefit()
cost_ben._calc_impact_measures(hazard,
entity.exposures,
entity.measures,
entity.impact_funcs,
when='present',
risk_func=risk_aai_agg,
save_imp=False)
ent_future = Entity.from_excel(ENT_DEMO_FUTURE)
ent_future.check()
haz_future = copy.deepcopy(hazard)
haz_future.intensity.data += 25
cost_ben._calc_impact_measures(haz_future,
ent_future.exposures,
ent_future.measures,
ent_future.impact_funcs,
when='future',
risk_func=risk_aai_agg,
save_imp=False)
cost_ben.present_year = 2018
cost_ben.future_year = 2040
cost_ben._calc_cost_benefit(entity.disc_rates, imp_time_depen=1)
self.assertEqual(cost_ben.present_year, 2018)
self.assertEqual(cost_ben.future_year, 2040)
self.assertAlmostEqual(cost_ben.tot_climate_risk,
5.768659152882021e+11,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_present['no measure']['risk'],
6.51220115756442e+09,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_present['Mangroves']['risk'],
4.850407096284983e+09,
places=3)
self.assertAlmostEqual(
cost_ben.imp_meas_present['Beach nourishment']['risk'],
5.188921355413834e+09,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_present['Seawall']['risk'],
4.736400526119911e+09,
places=3)
self.assertAlmostEqual(
cost_ben.imp_meas_present['Building code']['risk'],
4.884150868173321e+09,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_future['no measure']['risk'],
5.9506659786664024e+10,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_future['Mangroves']['risk'],
4.826231151473135e+10,
places=3)
self.assertAlmostEqual(
cost_ben.imp_meas_future['Beach nourishment']['risk'],
5.0647250923231674e+10,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_future['Seawall']['risk'],
21089567135.7345,
places=3)
self.assertAlmostEqual(
cost_ben.imp_meas_future['Building code']['risk'],
4.462999483999791e+10,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Mangroves'],
113345027690.81276,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Beach nourishment'],
89444869971.53653,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Seawall'],
347977469896.1333,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Building code'],
144216478822.05154,
places=3)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Mangroves'],
0.011573232523528404)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Beach nourishment'],
0.01931916274851638)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Seawall'],
0.025515385913577368)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Building code'],
0.06379298728650741)
self.assertAlmostEqual(cost_ben.tot_climate_risk,
576865915288.2021,
places=3)
def test_apply_transf_future_pass(self):
"""Test apply_risk_transfer with present and future"""
hazard = Hazard.from_mat(HAZ_TEST_MAT)
entity = Entity.from_excel(ENT_DEMO_TODAY)
entity.check()
entity.exposures.ref_year = 2018
fut_ent = copy.deepcopy(entity)
fut_ent.exposures.ref_year = 2040
cost_ben = CostBenefit()
cost_ben.calc(hazard,
entity,
ent_future=fut_ent,
risk_func=risk_aai_agg,
imp_time_depen=None,
save_imp=True)
new_name = 'combine'
new_color = np.array([0.1, 0.1, 0.1])
risk_transf = (1.0e7, 15.0e11, 1)
new_cb = cost_ben.combine_measures(['Mangroves', 'Seawall'],
new_name,
new_color,
entity.disc_rates,
imp_time_depen=None,
risk_func=risk_aai_agg)
new_cb.apply_risk_transfer(new_name,
risk_transf[0],
risk_transf[1],
entity.disc_rates,
cost_fix=0,
cost_factor=risk_transf[2],
imp_time_depen=1,
risk_func=risk_aai_agg)
tr_name = 'risk transfer (' + new_name + ')'
new_imp = cost_ben.imp_meas_future['no measure']['impact'].at_event - \
cost_ben.imp_meas_future['Mangroves']['impact'].at_event
new_imp += cost_ben.imp_meas_future['no measure']['impact'].at_event - \
cost_ben.imp_meas_future['Seawall']['impact'].at_event
new_imp = np.maximum(
cost_ben.imp_meas_future['no measure']['impact'].at_event -
new_imp, 0)
imp_layer = np.minimum(np.maximum(new_imp - risk_transf[0], 0),
risk_transf[1])
risk_transfer = np.sum(
imp_layer *
cost_ben.imp_meas_future['no measure']['impact'].frequency)
new_imp = np.maximum(new_imp - imp_layer, 0)
self.assertTrue(np.allclose(new_cb.color_rgb[new_name], new_color))
self.assertEqual(len(new_cb.imp_meas_present), 3)
self.assertTrue(
np.allclose(new_cb.imp_meas_future[tr_name]['impact'].at_event,
new_imp))
self.assertTrue(
np.allclose(new_cb.imp_meas_present[tr_name]['impact'].at_event,
new_imp))
self.assertAlmostEqual(
new_cb.imp_meas_future[tr_name]['risk'],
np.sum(new_imp *
cost_ben.imp_meas_future['no measure']['impact'].frequency),
5)
self.assertAlmostEqual(
new_cb.imp_meas_present[tr_name]['risk'],
np.sum(new_imp *
cost_ben.imp_meas_future['no measure']['impact'].frequency),
5)
self.assertAlmostEqual(new_cb.cost_ben_ratio[tr_name] *
new_cb.benefit[tr_name],
69715165679.7042,
places=3)
self.assertTrue(
np.allclose(
new_cb.imp_meas_future[tr_name]['efc'].impact,
new_cb.imp_meas_future[tr_name]
['impact'].calc_freq_curve().impact))
self.assertAlmostEqual(new_cb.imp_meas_future[tr_name]['risk_transf'],
risk_transfer)
# benefit = impact layer
self.assertAlmostEqual(new_cb.benefit[tr_name], 69715165679.7042, 4)
self.assertAlmostEqual(new_cb.cost_ben_ratio[tr_name], 1)
def test_calc_change_pass(self):
"""Test calc with future change"""
# present
hazard = Hazard.from_mat(HAZ_TEST_MAT)
entity = Entity.from_excel(ENT_DEMO_TODAY)
entity.exposures.gdf.rename(columns={'impf_': 'impf_TC'}, inplace=True)
entity.check()
entity.exposures.ref_year = 2018
# future
ent_future = Entity.from_excel(ENT_DEMO_FUTURE)
ent_future.check()
ent_future.exposures.ref_year = 2040
haz_future = copy.deepcopy(hazard)
haz_future.intensity.data += 25
cost_ben = CostBenefit()
cost_ben.calc(hazard, entity, haz_future, ent_future)
self.assertEqual(cost_ben.present_year, 2018)
self.assertEqual(cost_ben.future_year, 2040)
self.assertAlmostEqual(cost_ben.tot_climate_risk,
5.768659152882021e+11,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_present['no measure']['risk'],
6.51220115756442e+09,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_present['Mangroves']['risk'],
4.850407096284983e+09,
places=3)
self.assertAlmostEqual(
cost_ben.imp_meas_present['Beach nourishment']['risk'],
5.188921355413834e+09,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_present['Seawall']['risk'],
4.736400526119911e+09,
places=3)
self.assertAlmostEqual(
cost_ben.imp_meas_present['Building code']['risk'],
4.884150868173321e+09,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_future['no measure']['risk'],
5.9506659786664024e+10,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_future['Mangroves']['risk'],
4.826231151473135e+10,
places=3)
self.assertAlmostEqual(
cost_ben.imp_meas_future['Beach nourishment']['risk'],
5.0647250923231674e+10,
places=3)
self.assertAlmostEqual(cost_ben.imp_meas_future['Seawall']['risk'],
21089567135.7345,
places=3)
self.assertAlmostEqual(
cost_ben.imp_meas_future['Building code']['risk'],
4.462999483999791e+10,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Mangroves'],
113345027690.81276,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Beach nourishment'],
89444869971.53653,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Seawall'],
347977469896.1333,
places=3)
self.assertAlmostEqual(cost_ben.benefit['Building code'],
144216478822.05154,
places=3)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Mangroves'],
0.011573232523528404)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Beach nourishment'],
0.01931916274851638)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Seawall'],
0.025515385913577368)
self.assertAlmostEqual(cost_ben.cost_ben_ratio['Building code'],
0.06379298728650741)
self.assertAlmostEqual(cost_ben.tot_climate_risk,
576865915288.2021,
places=3)
