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import contextlib
from datetime import datetime
from io import StringIO
from textwrap import dedent
from django.conf import settings
from django.core.management import CommandError
from django.core.management import call_command
from django.test import TransactionTestCase
from django.test import override_settings
from django.utils import timezone
from django.utils.encoding import smart_str
from constance import config
from constance.models import Constance
class CliTestCase(TransactionTestCase):
def setUp(self):
self.out = StringIO()
def test_help(self):
with contextlib.suppress(SystemExit):
call_command("constance", "--help")
def test_list(self):
call_command("constance", "list", stdout=self.out)
self.assertEqual(
set(self.out.getvalue().splitlines()),
set(
dedent(
smart_str(
""" BOOL_VALUE\tTrue
EMAIL_VALUE\ttest@example.com
INT_VALUE\t1
LINEBREAK_VALUE\tSpam spam
DATE_VALUE\t2010-12-24
TIME_VALUE\t23:59:59
TIMEDELTA_VALUE\t1 day, 2:03:00
STRING_VALUE\tHello world
CHOICE_VALUE\tyes
DECIMAL_VALUE\t0.1
DATETIME_VALUE\t2010-08-23 11:29:24
FLOAT_VALUE\t3.1415926536
JSON_VALUE\t{'key': 'value', 'key2': 2, 'key3': [1, 2, 3], 'key4': {'key': 'value'}, 'key5': datetime.date(2019, 1, 1), 'key6': None}
LIST_VALUE\t[1, '1', datetime.date(2019, 1, 1)]
""" # noqa: E501
)
).splitlines()
),
)
def test_get(self):
call_command("constance", *(["get", "EMAIL_VALUE"]), stdout=self.out)
self.assertEqual(self.out.getvalue().strip(), "test@example.com")
def test_set(self):
call_command("constance", *(["set", "EMAIL_VALUE", "blah@example.com"]), stdout=self.out)
self.assertEqual(config.EMAIL_VALUE, "blah@example.com")
call_command("constance", *("set", "DATETIME_VALUE", "2011-09-24", "12:30:25"), stdout=self.out)
expected = datetime(2011, 9, 24, 12, 30, 25)
if settings.USE_TZ:
expected = timezone.make_aware(expected)
self.assertEqual(config.DATETIME_VALUE, expected)
def test_get_invalid_name(self):
self.assertRaisesMessage(
CommandError,
"NOT_A_REAL_CONFIG is not defined in settings.CONSTANCE_CONFIG",
call_command,
"constance",
"get",
"NOT_A_REAL_CONFIG",
)
def test_set_invalid_name(self):
self.assertRaisesMessage(
CommandError,
"NOT_A_REAL_CONFIG is not defined in settings.CONSTANCE_CONFIG",
call_command,
"constance",
"set",
"NOT_A_REAL_CONFIG",
"foo",
)
def test_set_invalid_value(self):
self.assertRaisesMessage(
CommandError,
"Enter a valid email address.",
call_command,
"constance",
"set",
"EMAIL_VALUE",
"not a valid email",
)
def test_set_invalid_multi_value(self):
self.assertRaisesMessage(
CommandError,
"Enter a list of values.",
call_command,
"constance",
"set",
"DATETIME_VALUE",
"2011-09-24 12:30:25",
)
def test_delete_stale_records(self):
self._populate_database_with_default_values()
initial_count = Constance.objects.count()
Constance.objects.create(key="STALE_KEY", value=None)
call_command("constance", "remove_stale_keys", stdout=self.out)
self.assertEqual(Constance.objects.count(), initial_count, msg=self.out)
@override_settings(
CONSTANCE_DATABASE_PREFIX="constance:",
)
def test_delete_stale_records_respects_prefix(self):
self._populate_database_with_default_values()
initial_count = Constance.objects.count()
call_command("constance", "remove_stale_keys", stdout=self.out)
self.assertEqual(Constance.objects.count(), initial_count, msg=self.out)
def _populate_database_with_default_values(self):
"""
Helper function to populate the database with default values defined
in settings since that's not done automatically at startup
"""
for key, (value, *_) in settings.CONSTANCE_CONFIG.items():
Constance.objects.create(key=f"{getattr(settings, 'CONSTANCE_DATABASE_PREFIX', '')}{key}", value=value)
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