Fixed #24526 -- Combined django.request/security loggers with the root logger.

Thanks Carl Meyer for review.

tests/logging_tests/tests.py

@@ -9,7 +9,7 @@ from admin_scripts.tests import AdminScriptTestCase
 from django.core import mail
 from django.core.files.temp import NamedTemporaryFile
 from django.test import RequestFactory, TestCase, override_settings
-from django.test.utils import patch_logger
+from django.test.utils import LoggingCaptureMixin, patch_logger
 from django.utils.deprecation import RemovedInNextVersionWarning
 from django.utils.encoding import force_text
 from django.utils.log import (
@@ -65,26 +65,18 @@ class LoggingFiltersTest(TestCase):
             self.assertEqual(filter_.filter("record is not used"), False)
 
 
-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
+class DefaultLoggingTest(LoggingCaptureMixin, TestCase):
 
     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(), '')
+        self.assertEqual(self.logger_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')
+            self.assertEqual(self.logger_output.getvalue(), 'Hey, this is an error.\n')
 
 
 class WarningLoggerTests(TestCase):
@@ -167,11 +159,10 @@ class CallbackFilterTest(TestCase):
 
 
 class AdminEmailHandlerTest(TestCase):
-    logger = logging.getLogger('django.request')
+    logger = logging.getLogger('django')
 
     def get_admin_email_handler(self, logger):
-        # Inspired from views/views.py: send_log()
-        # ensuring the AdminEmailHandler does not get filtered out
+        # Ensure that AdminEmailHandler does not get filtered out
         # even with DEBUG=True.
         admin_email_handler = [
             h for h in logger.handlers

tests/runtests.py

@@ -19,6 +19,7 @@ from django.utils._os import upath
 from django.utils.deprecation import (
     RemovedInDjango20Warning, RemovedInDjango21Warning,
 )
+from django.utils.log import DEFAULT_LOGGING
 
 warnings.simplefilter("error", RemovedInDjango20Warning)
 warnings.simplefilter("error", RemovedInDjango21Warning)
@@ -144,6 +145,11 @@ def setup(verbosity, test_labels):
         'auth': 'django.contrib.auth.tests.migrations',
         'contenttypes': 'contenttypes_tests.migrations',
     }
+    log_config = DEFAULT_LOGGING
+    # Filter out non-error logging so we don't have to capture it in lots of
+    # tests.
+    log_config['loggers']['django']['level'] = 'ERROR'
+    settings.LOGGING = log_config
 
     if verbosity > 0:
         # Ensure any warnings captured to logging are piped through a verbose

tests/view_tests/tests/test_debug.py

@@ -16,6 +16,7 @@ from django.core.files.uploadedfile import SimpleUploadedFile
 from django.core.urlresolvers import reverse
 from django.template.base import TemplateDoesNotExist
 from django.test import RequestFactory, TestCase, override_settings
+from django.test.utils import LoggingCaptureMixin
 from django.utils import six
 from django.utils.encoding import force_bytes, force_text
 from django.utils.functional import SimpleLazyObject
@@ -48,7 +49,7 @@ class CallableSettingWrapperTests(TestCase):
 
 
 @override_settings(DEBUG=True, ROOT_URLCONF="view_tests.urls")
-class DebugViewTests(TestCase):
+class DebugViewTests(LoggingCaptureMixin, TestCase):
 
     def test_files(self):
         response = self.client.get('/raises/')
@@ -642,7 +643,7 @@ class ExceptionReportTestMixin(object):
 
 
 @override_settings(ROOT_URLCONF='view_tests.urls')
-class ExceptionReporterFilterTests(TestCase, ExceptionReportTestMixin):
+class ExceptionReporterFilterTests(ExceptionReportTestMixin, LoggingCaptureMixin, TestCase):
     """
     Ensure that sensitive information can be filtered out of error reports.
     Refs #14614.
@@ -833,7 +834,7 @@ class ExceptionReporterFilterTests(TestCase, ExceptionReportTestMixin):
                 self.assertNotContains(response, 'should not be displayed', status_code=500)
 
 
-class AjaxResponseExceptionReporterFilter(TestCase, ExceptionReportTestMixin):
+class AjaxResponseExceptionReporterFilter(ExceptionReportTestMixin, LoggingCaptureMixin, TestCase):
     """
     Ensure that sensitive information can be filtered out of error reports.
 

tests/view_tests/views.py

@@ -102,7 +102,7 @@ def render_no_template(request):
 
 
 def send_log(request, exc_info):
-    logger = logging.getLogger('django.request')
+    logger = logging.getLogger('django')
     # The default logging config has a logging filter to ensure admin emails are
     # only sent with DEBUG=False, but since someone might choose to remove that
     # filter, we still want to be able to test the behavior of error emails