Update test suite to use pytest, remove related in setup.py (celery#771)

* Fix setuptools to <v72

* Makefile: Use pytest instead of setup.py test

* Attempt to use pytest directly

* Add python -m

* Update setup.py

Co-authored-by: Christian Clauss <cclauss@me.com>

* [pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

* Add pytest installation to workflow

* Remove pytest from setup.py

* Unlock setuptools

* Remove tests_require

* Move pytest to tox.ini

---------

Co-authored-by: Christian Clauss <cclauss@me.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

Makefile

@@ -139,7 +139,7 @@ test-all: clean-pyc
  $(TOX)
 
 test:
- $(PYTHON) setup.py test
+ $(PYTHON) -m $(PYTEST)
 
 cov:
  (cd $(TESTDIR); $(PYTEST) -x --cov="$(PROJ)" --cov-report=html)

setup.py

@@ -3,10 +3,8 @@
 import codecs
 import os
 import re
-import sys
 
 import setuptools
-import setuptools.command.test
 
 NAME = 'django-celery-beat'
 PACKAGE = 'django_celery_beat'
@@ -103,19 +101,6 @@ def reqs(*f):
 
 # -*- %%% -*-
 
-
-class pytest(setuptools.command.test.test):
- user_options = [('pytest-args=', 'a', 'Arguments to pass to pytest')]
-
- def initialize_options(self):
- setuptools.command.test.test.initialize_options(self)
- self.pytest_args = []
-
- def run_tests(self):
- import pytest
- sys.exit(pytest.main(self.pytest_args))
-
-
 setuptools.setup(
  name=NAME,
  packages=setuptools.find_packages(exclude=[
@@ -133,8 +118,6 @@ def run_tests(self):
  license='BSD',
  python_requires='>=3.8',
  install_requires=reqs('default.txt') + reqs('runtime.txt'),
- tests_require=reqs('test.txt') + reqs('test-django.txt'),
- cmdclass={'test': pytest},
  classifiers=classifiers,
  entry_points={
  'celery.beat_schedulers': [

tox.ini

@@ -80,5 +80,5 @@ usedevelop = true
 commands =
  pip install --upgrade https://github.com/celery/celery/zipball/main#egg=celery
  pip install --upgrade https://github.com/celery/kombu/zipball/main#egg=kombu
- pip install Django
+ pip install Django pytest
  pytest -x --cov=django_celery_beat --cov-report=xml --no-cov-on-fail