def test_process_with_dvh(self):
'''
Can list specific DVH values to compute
'''
# Set up a schema validator
com_schema = {
'mean':
And([float], lambda x: len(x) == 2),
'min':
And([float], lambda x: len(x) == 2),
'max':
And([float], lambda x: len(x) == 2),
'dvh':
And([np.ndarray], lambda x: np.all([d.shape == (6, 2) for d in x]),
lambda x: len(x) == 2)
}
validator = Schema(com_schema)
# Compute features
dvh_vals = [0, 0.2, 0.4, 0.6, 0.8, 1]
feat = SliceFeature('test', mask=self.mask, dose=self.dg, dvh=dvh_vals)
output = feat.process()
# Check the output schema
try:
self.assertTrue(validator.validate(output) is not SchemaError)
except SchemaError:
self.fail('Output does not match given schema')
def test_process_before_load(self):
'''
Cannot process before loading data
'''
feat = SliceFeature('test')
self.assertFalse(feat.loaded)
self.assertRaises(ValueError, lambda: feat.process())
def __helper_test_process(self, n, a):
'''
Helper method to validate slice feature
'''
com_schema = {
'mean': And([float], lambda x: len(x) == n),
'min': And([float], lambda x: len(x) == n),
'max': And([float], lambda x: len(x) == n),
'dvh': And([np.ndarray], lambda x: len(x) == n)
}
validator = Schema(com_schema)
# Compute features
feat = SliceFeature('test',
num_slices=n,
axis=a,
mask=self.mask,
dose=self.dg)
output = feat.process()
# Check the output schema
try:
self.assertTrue(validator.validate(output) is not SchemaError)
except SchemaError:
self.fail('Output does not match given schema')