def test_bad_target_irr(self):
list_of_nois = [Decimal('0.06'), Decimal('0.12'), Decimal('0.18')]
return_factor = Decimal('0.5')
return_coefficient = Decimal('0.03')
target_irr = 'wrong'
with self.assertRaises(AssertionError):
valuation._list_of_surplus(list_of_nois, return_factor, return_coefficient, target_irr)
def test_bad_target_irr(self):
list_of_nois = [Decimal('0.06'), Decimal('0.12'), Decimal('0.18')]
return_factor = Decimal('0.5')
return_coefficient = Decimal('0.03')
target_irr = 'wrong'
with self.assertRaises(AssertionError):
valuation._list_of_surplus(list_of_nois, return_factor,
return_coefficient, target_irr)
def test_zero_target_irr(self):
list_of_nois = [Decimal('0.06'), Decimal('0.12'), Decimal('0.18')]
return_factor = Decimal('0.5')
return_coefficient = Decimal('0.03')
target_irr = Decimal('0')
self.assertEqual(
valuation._list_of_surplus(list_of_nois, return_factor,
return_coefficient, target_irr),
[Decimal('0.06'),
Decimal('0.09'),
Decimal('0.12')])
def test_zero_target_irr(self):
list_of_nois = [Decimal('0.06'), Decimal('0.12'), Decimal('0.18')]
return_factor = Decimal('0.5')
return_coefficient = Decimal('0.03')
target_irr = Decimal('0')
self.assertEqual(valuation._list_of_surplus(list_of_nois, return_factor, return_coefficient, target_irr), [Decimal('0.06'), Decimal('0.09'), Decimal('0.12')])