hoge.py

# -*- coding: utf-8 -*-

class Hoge(object):

    def __init__(self, v):
        self.val = v

    def update(self, v):
        self.val = v

result_pytest_fail.txt

$ python ./test_hoge_pytest.py -v
================================ test session starts ================================
platform darwin -- Python 2.7.3 -- pytest-2.3.4 -- /Users/yoshida/.pyenv/versions/pyenv27/bin/python
collected 4 items

test_hoge_pytest.py:10: TestHoge1.test_type PASSED
test_hoge_pytest.py:13: TestHoge1.test_val FAILED
test_hoge_unittest.py:10: TestHoge1.test_type PASSED
test_hoge_unittest.py:13: TestHoge1.test_val FAILED

===================================== FAILURES ======================================
________________________________ TestHoge1.test_val _________________________________

self = <test_hoge_pytest.TestHoge1 object at 0x1016ca650>
hoge = <hoge.Hoge object at 0x1016ca750>

    def test_val(self, hoge):
        assert hoge.val == 1

        hoge.update(2)
>       assert hoge.val == 1
E       assert 2 == 1
E        +  where 2 = <hoge.Hoge object at 0x1016ca750>.val

test_hoge_pytest.py:17: AssertionError
________________________________ TestHoge1.test_val _________________________________

self = <test_hoge_unittest.TestHoge1 testMethod=test_val>

    def test_val(self):
        self.assertEqual(self.hoge.val, 1)

        self.hoge.update(2)
>       self.assertEqual(self.hoge.val, 1)
E       AssertionError: 2 != 1

test_hoge_unittest.py:17: AssertionError
======================== 2 failed, 2 passed in 0.13 seconds =========================

result_pytest_ok.txt

$ python ./test_hoge_pytest.py -v
================================ test session starts ================================
platform darwin -- Python 2.7.3 -- pytest-2.3.4 -- /Users/yoshida/.pyenv/versions/pyenv27/bin/python
collected 4 items

test_hoge_pytest.py:10: TestHoge1.test_type PASSED
test_hoge_pytest.py:13: TestHoge1.test_val PASSED
test_hoge_unittest.py:10: TestHoge1.test_type PASSED
test_hoge_unittest.py:13: TestHoge1.test_val PASSED

============================= 4 passed in 0.04 seconds ==============================

result_unittest_fail.txt

$ python ./test_hoge_unittest.py -v
test_type (__main__.TestHoge1) ... ok
test_val (__main__.TestHoge1) ... ok

----------------------------------------------------------------------
Ran 2 tests in 0.000s

OK

result_unittest_ok.txt

$ python ./test_hoge_unittest.py -v
test_type (__main__.TestHoge1) ... ok
test_val (__main__.TestHoge1) ... FAIL

======================================================================
FAIL: test_val (__main__.TestHoge1)
----------------------------------------------------------------------
Traceback (most recent call last):
  File "./test_hoge_unittest.py", line 17, in test_val
    self.assertEqual(self.hoge.val, 1)
AssertionError: 2 != 1

----------------------------------------------------------------------
Ran 2 tests in 0.000s

FAILED (failures=1)

test_hoge_pytest.py

# -*- coding: utf-8 -*-
from hoge import Hoge
import pytest

class TestHoge1(object):

    def pytest_funcarg__hoge(request):
        return Hoge(1)

    def test_type(self, hoge):
        assert isinstance(hoge, Hoge)

    def test_val(self, hoge):
        assert hoge.val == 1

        hoge.update(2)
        assert hoge.val == 2

if __name__ == '__main__':
    pytest.main()

test_hoge_unittest.py

# -*- coding: utf-8 -*-
from hoge import Hoge
import unittest

class TestHoge1(unittest.TestCase):

    def setUp(self):
        self.hoge = Hoge(1)

    def test_type(self):
        self.assertIsInstance(self.hoge, Hoge)

    def test_val(self):
        self.assertEqual(self.hoge.val, 1)

        self.hoge.update(2)
        self.assertEqual(self.hoge.val, 2)

if __name__ == '__main__':
    unittest.main()