test_paramaterize_howto.py

# -*- coding:utf-8 -*-
import pytest

xs = ((1, 1, 1),
      (3, 4, 12),
      pytest.mark.xfail((4, 4, 8)))


@pytest.mark.parametrize("x, y, expected", xs)
def test_mul(x, y, expected):
    assert x * y == expected

# py.test <filename>

$ py.test
============================= test session starts ==============================
platform darwin -- Python 3.3.1 -- py-1.4.20 -- pytest-2.5.2
collected 3 items

test_paramaterize_howto.py ..x

===================== 2 passed, 1 xfailed in 0.03 seconds ======================

pytestのparameterized testの仕方結構癖がある。pytest.mark.parametrizeに渡す文字列はwrapした関数の引数と同じ形式にする必要があった。