unittest subTest() support and subtests fixture.
This pytest plugin was generated with Cookiecutter along with @hackebrot's cookiecutter-pytest-plugin template.
- Adds support for TestCase.subTest.
- New
subtestsfixture, providing similar functionality for pure pytest tests.
You can install pytest-subtests via pip from PyPI:
$ pip install pytest-subtests
import unittest
class T(unittest.TestCase):
def test_foo(self):
for i in range(5):
with self.subTest("custom message", i=i):
self.assertEqual(i % 2, 0)
if __name__ == "__main__":
unittest.main()Output
λ pytest .tmp\test-unit-subtest.py
======================== test session starts ========================
...
collected 1 item
.tmp\test-unit-subtest.py FF. [100%]
============================= FAILURES ==============================
_________________ T.test_foo [custom message] (i=1) _________________
self = <test-unit-subtest.T testMethod=test_foo>
def test_foo(self):
for i in range(5):
with self.subTest('custom message', i=i):
> self.assertEqual(i % 2, 0)
E AssertionError: 1 != 0
.tmp\test-unit-subtest.py:9: AssertionError
_________________ T.test_foo [custom message] (i=3) _________________
self = <test-unit-subtest.T testMethod=test_foo>
def test_foo(self):
for i in range(5):
with self.subTest('custom message', i=i):
> self.assertEqual(i % 2, 0)
E AssertionError: 1 != 0
.tmp\test-unit-subtest.py:9: AssertionError
================ 2 failed, 1 passed in 0.07 seconds =================
def test(subtests):
for i in range(5):
with subtests.test(msg="custom message", i=i):
assert i % 2 == 0Output
λ pytest .tmp\test-subtest.py
======================== test session starts ========================
...
collected 1 item
.tmp\test-subtest.py .F.F.. [100%]
============================= FAILURES ==============================
____________________ test [custom message] (i=1) ____________________
def test(subtests):
for i in range(5):
with subtests.test(msg='custom message', i=i):
> assert i % 2 == 0
E assert (1 % 2) == 0
.tmp\test-subtest.py:4: AssertionError
____________________ test [custom message] (i=3) ____________________
def test(subtests):
for i in range(5):
with subtests.test(msg='custom message', i=i):
> assert i % 2 == 0
E assert (3 % 2) == 0
.tmp\test-subtest.py:4: AssertionError
================ 2 failed, 1 passed in 0.07 seconds =================
Contributions are very welcome. Tests can be run with tox:
tox -e py37
Distributed under the terms of the MIT license, "pytest-subtests" is free and open source software
If you encounter any problems, please file an issue along with a detailed description.