django/tests/modeltests/user_commands/tests.py

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from StringIO import StringIO
from django.core import management
from django.core.management.base import CommandError
from django.test import TestCase
from django.utils import translation
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):
self.assertRaises(CommandError, management.call_command, ('explode',))