Nose generator tests example

test.py

from nose.tools import assert_equal

addition_cases = [
    (
        '2 + 2',
        2,
        2,
        4
    ),
    (
        '4 + 4',
        4,
        4,
        8
    ),
]
def test_clean_html():
    for description, num1, num2, expected in addition_cases:
        def run():
            result = num1 + num2
            assert_equal(result, expected)
        run.description = 'addition %s' % description
        yield run