def test_total_taxable_income_income_over_personal_allowance_3(self):
t = TaxYear(2018)
self.assertEqual(1.00, t.get_taxable_income(11851))
def test_total_taxable_income_income_over_personal_allowance_4(self):
t = TaxYear(2018)
self.assertEqual(31650.00, t.get_taxable_income(43500))
def test_load_tax_year_non_existent(self):
with self.assertRaises(UnknownTaxYearException):
TaxYear.load_tax_year_data(2016)
def test_total_taxable_income_income_over_personal_allowance_2(self):
t = TaxYear(2017)
self.assertEqual(20001, t.get_taxable_income(31501))
def test_tax_calculation_first_rate_band_2(self):
t = TaxYear(2018)
self.assertEqual(0.19, t.get_total_tax_due(gross_income=11851))
if __name__ == "__main__":
arg_parser = argparse.ArgumentParser('Calculate Income Tax')
arg_parser.add_argument('tax_year',
metavar="TAX_YEAR",
type=int,
help="Tax Yar to calculate Income Tax for")
arg_parser.add_argument('gross_income',
metavar="GROSS_INCOME",
type=float,
help="Gross Income")
args = arg_parser.parse_args()
# Set the path to our data
TaxYear.set_data_file(
os.path.join(os.path.dirname(os.path.realpath(__file__)),
'data/rates.json'))
# Create our TaxYear instance based on user input
try:
t = TaxYear(args.tax_year)
except NoTaxYearSuppliedException:
print("Not Tax Year was supplied - please try again.")
exit(1)
except UnknownTaxYearException:
print("The supplied Tax Year '{}' is not known.".format(args.tax_year))
exit(2)
# Print out our calculation
t.print_calculation(gross_income=args.gross_income)
def test_tax_year_rates_2(self):
t = TaxYear(2018)
self.assertEqual(5, len(t.get_tax_rates()))
def test_tax_calculation_below_personal_allowance_2(self):
t = TaxYear(2018)
self.assertEqual(0, t.get_total_tax_due(11849))
def test_tax_year_name(self):
t = TaxYear(2017)
self.assertEqual('2017-2018', t.get_name())
def test_tax_year_rates_1(self):
t = TaxYear(2017)
self.assertEqual(2, len(t.get_tax_rates()))
def test_constructor_known_tax_year(self):
self.assertIsInstance(TaxYear(2017), TaxYear)
def test_constructor_no_tax_year(self):
with self.assertRaises(NoTaxYearSuppliedException):
TaxYear(year_key=None)
def test_load_tax_year_exists(self):
self.assertIsInstance(TaxYear.load_tax_year_data(2017), dict)
def setUpClass(cls) -> None:
TaxYear.set_data_file(cls._simple_test_data_path)
def test_personal_allowance_1(self):
t = TaxYear(2017)
self.assertEqual(11500.00, t.get_personal_allowance())
def test_tax_calculation_below_personal_allowance_1(self):
t = TaxYear(2017)
self.assertEqual(0, t.get_total_tax_due(gross_income=11499))
def test_personal_allowance_2(self):
t = TaxYear(2018)
self.assertEqual(11850.00, t.get_personal_allowance())
def test_tax_calculation_first_rate_band_1(self):
t = TaxYear(2017)
self.assertEqual(0.20, t.get_total_tax_due(gross_income=11501))
def test_total_taxable_income_zero_income(self):
t = TaxYear(2017)
self.assertEqual(0, t.get_taxable_income(0))
def test_tax_calculation_second_rate_band_1(self):
t = TaxYear(2018)
self.assertEqual(14150, t.get_taxable_income(gross_income=26000))
self.assertEqual(2829.59, t.get_total_tax_due(gross_income=26000))
def test_total_taxable_income_income_equals_personal_allowance(self):
t = TaxYear(2017)
self.assertEqual(0, t.get_taxable_income(11500))
def test_data_file_does_not_exist(self):
with self.assertRaises(DataFileNotFoundException):
TaxYear.set_data_file(TestTaxYearBadDataPath._non_existent_test_data_path)
def test_no_data_file_specified(self):
with self.assertRaises(DataFileNotSpecifiedException):
TaxYear.load_tax_year_data(2016)