def test_inputs_out_of_scope_raise_exceptions(self):
for bad_input in (2, None, 'Z', 'L', 'C', 'D', 'M'):
with self.assertRaises(ValueError) as m:
add('I', bad_input)
if not hasattr(m, 'exception'):
self.fail('%s as augend did not raise exception' % bad_input)
with self.assertRaises(ValueError) as m:
add(bad_input, 'I')
if not hasattr(m, 'exception'):
self.fail('%s as addend did not raise exception' % bad_input)
def test_IX_and_X(self):
self.assertEqual(add('V', 'V'), 'X')
self.assertEqual(add('V', 'IV'), 'IX')
self.assertEqual(add('VIII', 'I'), 'IX')
self.assertEqual(add('IX', 'I'), 'X')
self.assertEqual(add('X', 'I'), 'XI')
self.assertEqual(add('I', 'X'), 'XI')
self.assertEqual(add('X', 'V'), 'XV')
self.assertEqual(add('V', 'X'), 'XV')
self.assertEqual(add('X', 'X'), 'XX')
from rome import add
assert add('I', 'I') == 'II'
"""
with no file named rome.py, at all:
user0@ii:~/Desktop/git/TDD/TDD-Python/01 TDD Roman Numeral Chapter 1/01$ python test.py
Traceback (most recent call last):
File "test.py", line 1, in <module>
from rome import add
ImportError: No module named rome
"""
def test_adding_Is(self):
self.assertEqual(add('I', 'I'), 'II')
self.assertEqual(add('I', 'II'), 'III')
def test_IV_and_V(self):
self.assertEqual(add('II', 'II'), 'IV')
self.assertEqual(add('III', 'II'), 'V')
self.assertEqual(add('IV', 'I'), 'V')
self.assertEqual(add('V', 'I'), 'VI')
self.assertEqual(add('I', 'V'), 'VI')
def test_add_Is(self):
result = add('I', 'I')
# assert result == 'II', 'add did not return II, it returned %s' % result
self.assertEqual(add('I', 'I'), 'II',
'assert fail, it returned %s' % result)