def test_currency_converter(self):
converted = currency_converter('USD', 'USD', 1)
self.assertEqual(converted, '1.00')
converted = currency_converter('EUR', 'BGN', 1)
self.assertEqual(converted, '1.96')
converted = currency_converter('BGN', 'BGN', 1)
self.assertEqual(converted, '1.00')
def test_currency_converter_with_download_new_rates(self):
basepath = os.path.dirname(__file__)
now = timezone.now() # + timedelta(hours=3)
file_name = "{}.json".format(now.strftime('%Y_%m_%d'))
rel_filepath = os.path.join(basepath, "..", "tmp", file_name)
abs_filepath = os.path.abspath(rel_filepath)
os.remove(abs_filepath)
converted = currency_converter('USD', 'USD', 1)
self.assertEqual(converted, '1.00')
converted = currency_converter('EUR', 'BGN', 1)
self.assertEqual(converted, '1.96')
converted = currency_converter('BGN', 'BGN', 1)
self.assertEqual(converted, '1.00')