def test_lr_eq_0_cov_gt_0(self):
# If a vulnerability function loss ratio is 0 and its corresponding CoV
# is > 0, a ValueError should be raised
vuln_content = StringIO.StringIO("""\
<?xml version='1.0' encoding='utf-8'?>
<nrml xmlns="http://openquake.org/xmlns/nrml/0.4"
xmlns:gml="http://www.opengis.net/gml">
<vulnerabilityModel>
<discreteVulnerabilitySet vulnerabilitySetID="PAGER"
assetCategory="population"
lossCategory="fatalities">
<IML IMT="PGV">0.005 0.007 0.0098 0.0137</IML>
<discreteVulnerability vulnerabilityFunctionID="A"
probabilisticDistribution="LN">
<lossRatio>0.00 0.06 0.18 0.36</lossRatio>
<coefficientsVariation>0.30 0.30 0.30 0.30</coefficientsVariation>
</discreteVulnerability>
</discreteVulnerabilitySet>
</vulnerabilityModel>
</nrml>
""")
with self.assertRaises(ValueError) as ar:
loaders.vulnerability(vuln_content)
expected_error = ("Invalid vulnerability function with ID 'A': It is "
"not valid to define a loss ratio = 0.0 with a "
"corresponding coeff. of varation > 0.0")
self.assertEqual(expected_error, ar.exception.message)
def test_lr_eq_0_cov_gt_0(self):
# If a vulnerability function loss ratio is 0 and its corresponding CoV
# is > 0, a ValueError should be raised
vuln_content = StringIO.StringIO("""\
<?xml version='1.0' encoding='utf-8'?>
<nrml xmlns="http://openquake.org/xmlns/nrml/0.4"
xmlns:gml="http://www.opengis.net/gml">
<vulnerabilityModel>
<discreteVulnerabilitySet vulnerabilitySetID="PAGER"
assetCategory="population"
lossCategory="fatalities">
<IML IMT="PGV">0.005 0.007 0.0098 0.0137</IML>
<discreteVulnerability vulnerabilityFunctionID="A"
probabilisticDistribution="LN">
<lossRatio>0.00 0.06 0.18 0.36</lossRatio>
<coefficientsVariation>0.30 0.30 0.30 0.30</coefficientsVariation>
</discreteVulnerability>
</discreteVulnerabilitySet>
</vulnerabilityModel>
</nrml>
""")
with self.assertRaises(ValueError) as ar:
loaders.vulnerability(vuln_content)
expected_error = ("Invalid vulnerability function with ID 'A': It is "
"not valid to define a loss ratio = 0.0 with a "
"corresponding coeff. of varation > 0.0")
self.assertEqual(expected_error, ar.exception.message)
def test_one_taxonomy_many_imts(self):
# Should raise a ValueError if a vulnerabilityFunctionID is used for
# multiple IMTs.
# In this test input, we've defined two functions in separate sets
# with the same ID and different IMTs.
vuln_content = StringIO.StringIO("""\
<?xml version='1.0' encoding='utf-8'?>
<nrml xmlns="http://openquake.org/xmlns/nrml/0.4"
xmlns:gml="http://www.opengis.net/gml">
<vulnerabilityModel>
<discreteVulnerabilitySet vulnerabilitySetID="PAGER"
assetCategory="population"
lossCategory="fatalities">
<IML IMT="PGA">0.005 0.007 0.0098 0.0137</IML>
<discreteVulnerability vulnerabilityFunctionID="A"
probabilisticDistribution="LN">
<lossRatio>0.01 0.06 0.18 0.36</lossRatio>
<coefficientsVariation>0.30 0.30 0.30 0.30</coefficientsVariation>
</discreteVulnerability>
</discreteVulnerabilitySet>
<discreteVulnerabilitySet vulnerabilitySetID="PAGER"
assetCategory="population"
lossCategory="fatalities">
<IML IMT="MMI">0.005 0.007 0.0098 0.0137</IML>
<discreteVulnerability vulnerabilityFunctionID="A"
probabilisticDistribution="LN">
<lossRatio>0.01 0.06 0.18 0.36</lossRatio>
<coefficientsVariation>0.30 0.30 0.30 0.30</coefficientsVariation>
</discreteVulnerability>
</discreteVulnerabilitySet>
</vulnerabilityModel>
</nrml>
""")
with self.assertRaises(ValueError) as ar:
loaders.vulnerability(vuln_content)
expected_error = ('Error creating vulnerability function for taxonomy '
'A. A taxonomy can not be associated with different '
'vulnerability functions')
self.assertEqual(expected_error, ar.exception.message)
def test_one_taxonomy_many_imts(self):
# Should raise a ValueError if a vulnerabilityFunctionID is used for
# multiple IMTs.
# In this test input, we've defined two functions in separate sets
# with the same ID and different IMTs.
vuln_content = StringIO.StringIO("""\
<?xml version='1.0' encoding='utf-8'?>
<nrml xmlns="http://openquake.org/xmlns/nrml/0.4"
xmlns:gml="http://www.opengis.net/gml">
<vulnerabilityModel>
<discreteVulnerabilitySet vulnerabilitySetID="PAGER"
assetCategory="population"
lossCategory="fatalities">
<IML IMT="PGA">0.005 0.007 0.0098 0.0137</IML>
<discreteVulnerability vulnerabilityFunctionID="A"
probabilisticDistribution="LN">
<lossRatio>0.01 0.06 0.18 0.36</lossRatio>
<coefficientsVariation>0.30 0.30 0.30 0.30</coefficientsVariation>
</discreteVulnerability>
</discreteVulnerabilitySet>
<discreteVulnerabilitySet vulnerabilitySetID="PAGER"
assetCategory="population"
lossCategory="fatalities">
<IML IMT="MMI">0.005 0.007 0.0098 0.0137</IML>
<discreteVulnerability vulnerabilityFunctionID="A"
probabilisticDistribution="LN">
<lossRatio>0.01 0.06 0.18 0.36</lossRatio>
<coefficientsVariation>0.30 0.30 0.30 0.30</coefficientsVariation>
</discreteVulnerability>
</discreteVulnerabilitySet>
</vulnerabilityModel>
</nrml>
""")
with self.assertRaises(ValueError) as ar:
loaders.vulnerability(vuln_content)
expected_error = ('Error creating vulnerability function for taxonomy '
'A. A taxonomy can not be associated with different '
'vulnerability functions')
self.assertEqual(expected_error, ar.exception.message)
def get_risk_models(self, retrofitted=False):
"""
Parse vulnerability models for each loss type in
`openquake.engine.db.models.LOSS_TYPES`,
then set the `risk_models` attribute.
:param bool retrofitted:
True if retrofitted models should be retrieved
:returns:
A nested dict taxonomy -> loss type -> instances of `RiskModel`.
"""
risk_models = collections.defaultdict(dict)
for v_input, loss_type in self.rc.vulnerability_inputs(retrofitted):
for taxonomy, model in loaders.vulnerability(v_input):
risk_models[taxonomy][loss_type] = model
return risk_models
def get_risk_models(self, retrofitted=False):
"""
Parse vulnerability models for each loss type in
`openquake.engine.db.models.LOSS_TYPES`,
then set the `risk_models` attribute.
:param bool retrofitted:
True if retrofitted models should be retrieved
:returns:
A nested dict taxonomy -> loss type -> instances of `RiskModel`.
"""
risk_models = collections.defaultdict(dict)
for v_input, loss_type in self.rc.vulnerability_inputs(retrofitted):
for taxonomy, model in loaders.vulnerability(v_input):
risk_models[taxonomy][loss_type] = model
return risk_models
