django/tests/regressiontests/logging_tests/tests.py

305 lines
9.5 KiB
Python

from __future__ import unicode_literals
import copy
import logging
import warnings
from django.conf import compat_patch_logging_config
from django.core import mail
from django.test import TestCase, RequestFactory
from django.test.utils import override_settings
from django.utils.log import CallbackFilter, RequireDebugFalse
from django.utils.six import StringIO
from ..admin_scripts.tests import AdminScriptTestCase
# logging config prior to using filter with mail_admins
OLD_LOGGING = {
'version': 1,
'disable_existing_loggers': False,
'handlers': {
'mail_admins': {
'level': 'ERROR',
'class': 'django.utils.log.AdminEmailHandler'
}
},
'loggers': {
'django.request': {
'handlers': ['mail_admins'],
'level': 'ERROR',
'propagate': True,
},
}
}
class PatchLoggingConfigTest(TestCase):
"""
Tests for backward-compat shim for #16288. These tests should be removed in
Django 1.6 when that shim and DeprecationWarning are removed.
"""
def test_filter_added(self):
"""
Test that debug-false filter is added to mail_admins handler if it has
no filters.
"""
config = copy.deepcopy(OLD_LOGGING)
with warnings.catch_warnings(record=True) as w:
warnings.simplefilter("always")
compat_patch_logging_config(config)
self.assertEqual(len(w), 1)
self.assertEqual(
config["handlers"]["mail_admins"]["filters"],
['require_debug_false'])
def test_filter_configuration(self):
"""
Test that the auto-added require_debug_false filter is an instance of
`RequireDebugFalse` filter class.
"""
config = copy.deepcopy(OLD_LOGGING)
with warnings.catch_warnings(record=True):
compat_patch_logging_config(config)
flt = config["filters"]["require_debug_false"]
self.assertEqual(flt["()"], "django.utils.log.RequireDebugFalse")
def test_require_debug_false_filter(self):
"""
Test the RequireDebugFalse filter class.
"""
filter_ = RequireDebugFalse()
with self.settings(DEBUG=True):
self.assertEqual(filter_.filter("record is not used"), False)
with self.settings(DEBUG=False):
self.assertEqual(filter_.filter("record is not used"), True)
def test_no_patch_if_filters_key_exists(self):
"""
Test that the logging configuration is not modified if the mail_admins
handler already has a "filters" key.
"""
config = copy.deepcopy(OLD_LOGGING)
config["handlers"]["mail_admins"]["filters"] = []
new_config = copy.deepcopy(config)
compat_patch_logging_config(new_config)
self.assertEqual(config, new_config)
def test_no_patch_if_no_mail_admins_handler(self):
"""
Test that the logging configuration is not modified if the mail_admins
handler is not present.
"""
config = copy.deepcopy(OLD_LOGGING)
config["handlers"].pop("mail_admins")
new_config = copy.deepcopy(config)
compat_patch_logging_config(new_config)
self.assertEqual(config, new_config)
class DefaultLoggingTest(TestCase):
def setUp(self):
self.logger = logging.getLogger('django')
self.old_stream = self.logger.handlers[0].stream
def tearDown(self):
self.logger.handlers[0].stream = self.old_stream
def test_django_logger(self):
"""
The 'django' base logger only output anything when DEBUG=True.
"""
output = StringIO()
self.logger.handlers[0].stream = output
self.logger.error("Hey, this is an error.")
self.assertEqual(output.getvalue(), '')
with self.settings(DEBUG=True):
self.logger.error("Hey, this is an error.")
self.assertEqual(output.getvalue(), 'Hey, this is an error.\n')
class CallbackFilterTest(TestCase):
def test_sense(self):
f_false = CallbackFilter(lambda r: False)
f_true = CallbackFilter(lambda r: True)
self.assertEqual(f_false.filter("record"), False)
self.assertEqual(f_true.filter("record"), True)
def test_passes_on_record(self):
collector = []
def _callback(record):
collector.append(record)
return True
f = CallbackFilter(_callback)
f.filter("a record")
self.assertEqual(collector, ["a record"])
class AdminEmailHandlerTest(TestCase):
logger = logging.getLogger('django.request')
def get_admin_email_handler(self, logger):
# Inspired from regressiontests/views/views.py: send_log()
# ensuring the AdminEmailHandler does not get filtered out
# even with DEBUG=True.
admin_email_handler = [
h for h in logger.handlers
if h.__class__.__name__ == "AdminEmailHandler"
][0]
return admin_email_handler
@override_settings(
ADMINS=(('whatever admin', 'admin@example.com'),),
EMAIL_SUBJECT_PREFIX='-SuperAwesomeSubject-'
)
def test_accepts_args(self):
"""
Ensure that user-supplied arguments and the EMAIL_SUBJECT_PREFIX
setting are used to compose the email subject.
Refs #16736.
"""
message = "Custom message that says '%s' and '%s'"
token1 = 'ping'
token2 = 'pong'
admin_email_handler = self.get_admin_email_handler(self.logger)
# Backup then override original filters
orig_filters = admin_email_handler.filters
try:
admin_email_handler.filters = []
self.logger.error(message, token1, token2)
self.assertEqual(len(mail.outbox), 1)
self.assertEqual(mail.outbox[0].to, ['admin@example.com'])
self.assertEqual(mail.outbox[0].subject,
"-SuperAwesomeSubject-ERROR: Custom message that says 'ping' and 'pong'")
finally:
# Restore original filters
admin_email_handler.filters = orig_filters
@override_settings(
ADMINS=(('whatever admin', 'admin@example.com'),),
EMAIL_SUBJECT_PREFIX='-SuperAwesomeSubject-',
INTERNAL_IPS=('127.0.0.1',),
)
def test_accepts_args_and_request(self):
"""
Ensure that the subject is also handled if being
passed a request object.
"""
message = "Custom message that says '%s' and '%s'"
token1 = 'ping'
token2 = 'pong'
admin_email_handler = self.get_admin_email_handler(self.logger)
# Backup then override original filters
orig_filters = admin_email_handler.filters
try:
admin_email_handler.filters = []
rf = RequestFactory()
request = rf.get('/')
self.logger.error(message, token1, token2,
extra={
'status_code': 403,
'request': request,
}
)
self.assertEqual(len(mail.outbox), 1)
self.assertEqual(mail.outbox[0].to, ['admin@example.com'])
self.assertEqual(mail.outbox[0].subject,
"-SuperAwesomeSubject-ERROR (internal IP): Custom message that says 'ping' and 'pong'")
finally:
# Restore original filters
admin_email_handler.filters = orig_filters
@override_settings(
ADMINS=(('admin', 'admin@example.com'),),
EMAIL_SUBJECT_PREFIX='',
DEBUG=False,
)
def test_subject_accepts_newlines(self):
"""
Ensure that newlines in email reports' subjects are escaped to avoid
AdminErrorHandler to fail.
Refs #17281.
"""
message = 'Message \r\n with newlines'
expected_subject = 'ERROR: Message \\r\\n with newlines'
self.assertEqual(len(mail.outbox), 0)
self.logger.error(message)
self.assertEqual(len(mail.outbox), 1)
self.assertFalse('\n' in mail.outbox[0].subject)
self.assertFalse('\r' in mail.outbox[0].subject)
self.assertEqual(mail.outbox[0].subject, expected_subject)
@override_settings(
ADMINS=(('admin', 'admin@example.com'),),
EMAIL_SUBJECT_PREFIX='',
DEBUG=False,
)
def test_truncate_subject(self):
"""
RFC 2822's hard limit is 998 characters per line.
So, minus "Subject: ", the actual subject must be no longer than 989
characters.
Refs #17281.
"""
message = 'a' * 1000
expected_subject = 'ERROR: aa' + 'a' * 980
self.assertEqual(len(mail.outbox), 0)
self.logger.error(message)
self.assertEqual(len(mail.outbox), 1)
self.assertEqual(mail.outbox[0].subject, expected_subject)
class SettingsConfigTest(AdminScriptTestCase):
"""
Test that accessing settings in a custom logging handler does not trigger
a circular import error.
"""
def setUp(self):
log_config = """{
'version': 1,
'handlers': {
'custom_handler': {
'level': 'INFO',
'class': 'logging_tests.logconfig.MyHandler',
}
}
}"""
self.write_settings('settings.py', sdict={'LOGGING': log_config})
def tearDown(self):
self.remove_settings('settings.py')
def test_circular_dependency(self):
# validate is just an example command to trigger settings configuration
out, err = self.run_manage(['validate'])
self.assertNoOutput(err)
self.assertOutput(out, "0 errors found")