def setUp(self):
self.measures = generate_measures()
self.conv_l_formula = ConversionFormula(formula=lambda x: x + 3.,
module_error=0.2,
domain=self.measures,
target_scale="Mw")
self.conv_p_formula = ConversionFormula(formula=lambda x: x * x + 3.,
module_error=0.2,
domain=self.measures,
target_scale="Mw")
class ConversionFormulaTestCase(unittest.TestCase):
def setUp(self):
self.measures = generate_measures()
self.conv_l_formula = ConversionFormula(formula=lambda x: x + 3.,
module_error=0.2,
domain=self.measures,
target_scale="Mw")
self.conv_p_formula = ConversionFormula(formula=lambda x: x * x + 3.,
module_error=0.2,
domain=self.measures,
target_scale="Mw")
def test_conversion_measures_with_defined_error(self):
# Measure value = 1.0, Measure error = 0.2
fst_converted_measure = self.conv_l_formula.apply(self.measures[0])
self.assertAlmostEqual(0.28284, fst_converted_measure.standard_error,
places=5)
# Measure value = 18.0, Measure error = 0.2
snd_converted_measure = self.conv_p_formula.apply(self.measures[15])
self.assertAlmostEqual(7.20278, snd_converted_measure.standard_error,
places=5)
def test_conversion_measures_with_undefined_error(self):
# Measure value = 1.0, Measure error = 0.0
fst_measure = self.measures[0]
fst_measure.standard_error = None
fst_converted_measure = self.conv_l_formula.apply(fst_measure)
self.assertAlmostEqual(0.2, fst_converted_measure.standard_error,
places=5)
def test_user_can_define_a_default_measure_error(self):
# Measure value = 1.0, Measure error = 0.0
fst_measure = self.measures[0]
fst_measure.standard_error = None
fst_converted_measure = self.conv_l_formula.apply(fst_measure,
measure_uncertainty=0.4)
self.assertAlmostEqual(0.44721, fst_converted_measure.standard_error,
places=5)
