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Description:

pytestsubtests 0.13.1

unittest subTest() support and subtests fixture.

This pytest plugin was generated with Cookiecutter along with @hackebrot’s cookiecutter-pytest-plugin template.

Features

Adds support for TestCase.subTest.
New subtests fixture, providing similar functionality for pure pytest tests.

Installation
You can install pytest-subtests via pip from PyPI:
$ pip install pytest-subtests

Usage

unittest subTest() example
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 =================

subtests fixture example
def test(subtests):
for i in range(5):
with subtests.test(msg="custom message", i=i):
assert i % 2 == 0
Output
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 =================

Contributing
Contributions are very welcome. Tests can be run with tox:
tox -e py37

License
Distributed under the terms of the MIT license, “pytest-subtests” is free and open source software

Issues
If you encounter any problems, please file an issue along with a detailed description.