def test_if_simplify_correctly(self):
fraction = (3, 9)
result = simplify_fraction_func(fraction)
self.assertEqual(result, (1, 3))
def test_if_all_arguments_are_simplified(self):
fractions = [(1, 3), (1, 4), (3, 7)]
temp_list = []
for fraction in fractions:
temp_elem = simplify_fraction_func(fraction)
temp_list.append(temp_elem)
self.assertEqual(fractions, temp_list)
def test_if_denominator_is_zero_raise_error(self):
fraction = (3, 9)
fraction = simplify_fraction_func(fraction)
flag = False
if fraction[1] == 0:
flag = True
self.assertFalse(flag)