def test_currency_changes_for_one_number_to_euro(self):
self.assertEqual(euro_currency(1), .9)
def euro_test_if_amount_has_any_characters(self):
self.assertEqual(euro_currency(""), "That's not a valid currency amount")
def euro_test_if_not_an_integer(self):
self.assertEqual(euro_currency("a"), "That's not a valid currency amount")
def usd_test_currency_amount_is_negative(self):
self.assertEqual(euro_currency(-1), -.9)
def euro_test_currency_amount_is_negative(self):
self.assertEqual(euro_currency(-10), -9)
def test_currency_changes_for_a_number_that_has_a_decimal_to_only_2_places_to_euro(self):
self.assertEqual(euro_currency(.96), .86)
