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import subprocess
import sys
from pathlib import Path
import django
from django.test import SimpleTestCase
class DeprecationTests(SimpleTestCase):
DEPRECATION_MESSAGE = (
b'RemovedInDjango40Warning: django-admin.py is deprecated in favor of '
b'django-admin.'
)
def _run_test(self, args):
p = subprocess.run(
[sys.executable, *args],
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
check=True,
)
return p.stdout, p.stderr
def test_django_admin_py_deprecated(self):
django_admin_py = Path(django.__file__).parent / 'bin' / 'django-admin.py'
_, err = self._run_test(['-Wd', django_admin_py, '--version'])
self.assertIn(self.DEPRECATION_MESSAGE, err)
def test_main_not_deprecated(self):
_, err = self._run_test(['-Wd', '-m', 'django', '--version'])
self.assertNotIn(self.DEPRECATION_MESSAGE, err)
def test_django_admin_py_equivalent_main(self):
django_admin_py = Path(django.__file__).parent / 'bin' / 'django-admin.py'
django_admin_py_out, _ = self._run_test([django_admin_py, '--version'])
django_out, _ = self._run_test(['-m', 'django', '--version'])
self.assertEqual(django_admin_py_out, django_out)
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