def test_returns_Is_for_less_equals_3(self):
self.assertEqual('I', to_roman(1))
self.assertEqual("II", to_roman(2))
self.assertEqual("III", to_roman(3))
def test_returns_error_for_less_than_1(self):
self.assertEqual('Less than 1!', to_roman(0))
def test_returns_error_for_more_than_3999(self):
self.assertEqual('More than 3999!', to_roman(4000))
def test_returns_MMMCMXCIX_for_3999(self):
self.assertEqual('MMMCMXCIX', to_roman(3999))
def test_returns_error_for_non_ints(self):
self.assertEqual('Error', to_roman('halp'))
def test_returns_XI_for_11(self):
self.assertEqual('XI', to_roman(11))
def test_returns_XL_for_40(self):
self.assertEqual('XL', to_roman(40))
def test_returns_X_for_10(self):
self.assertEqual('X', to_roman(10))
def test_returns_IX_for_9(self):
self.assertEqual('IX', to_roman(9))
def test_returns_VI_for_6(self):
self.assertEqual("VI", to_roman(6))
self.assertEqual("VII", to_roman(7))
self.assertEqual("VIII", to_roman(8))
def test_returns_V_for_5(self):
self.assertEqual('V', to_roman(5))
def test_returns_IV_for_4(self):
self.assertEqual("IV", to_roman(4))