django/tests/modeltests/user_commands/tests.py

47 lines
1.6 KiB
Python

import sys
from django.core import management
from django.core.management.base import CommandError
from django.test import TestCase
from django.utils import translation
from django.utils.six import StringIO
class CommandTests(TestCase):
def test_command(self):
out = StringIO()
management.call_command('dance', stdout=out)
self.assertEqual(out.getvalue(),
"I don't feel like dancing Rock'n'Roll.\n")
def test_command_style(self):
out = StringIO()
management.call_command('dance', style='Jive', stdout=out)
self.assertEqual(out.getvalue(),
"I don't feel like dancing Jive.\n")
def test_language_preserved(self):
out = StringIO()
with translation.override('fr'):
management.call_command('dance', stdout=out)
self.assertEqual(translation.get_language(), 'fr')
def test_explode(self):
""" Test that an unknown command raises CommandError """
self.assertRaises(CommandError, management.call_command, ('explode',))
def test_system_exit(self):
""" Exception raised in a command should raise CommandError with
call_command, but SystemExit when run from command line
"""
with self.assertRaises(CommandError):
management.call_command('dance', example="raise")
old_stderr = sys.stderr
sys.stderr = err = StringIO()
try:
with self.assertRaises(SystemExit):
management.ManagementUtility(['manage.py', 'dance', '--example=raise']).execute()
finally:
sys.stderr = old_stderr
self.assertIn("CommandError", err.getvalue())