From 373140b07aa452946ccb6d5b0317fa09ed5bbdc2 Mon Sep 17 00:00:00 2001
From: Andreas Pelme <andreas@pelme.se>
Date: Sat, 3 Dec 2016 19:51:32 +0100
Subject: Fixed #27567 -- Fixed crash in the debug view when request.user
 errors.

---
 tests/view_tests/tests/test_debug.py | 27 +++++++++++++++++++++++++++
 1 file changed, 27 insertions(+)

(limited to 'tests')

diff --git a/tests/view_tests/tests/test_debug.py b/tests/view_tests/tests/test_debug.py
index 3fe89d9bf3..24fa593621 100644
--- a/tests/view_tests/tests/test_debug.py
+++ b/tests/view_tests/tests/test_debug.py
@@ -515,6 +515,33 @@ class ExceptionReporterTests(SimpleTestCase):
         html = reporter.get_traceback_html()
         self.assertInHTML('<td>items</td><td class="code"><pre>&#39;Oops&#39;</pre></td>', html)
 
+    def test_exception_fetching_user(self):
+        """
+        The error page can be rendered if the current user can't be retrieved
+        (such as when the database is unavailable).
+        """
+        class ExceptionUser(object):
+            def __str__(self):
+                raise Exception()
+
+        request = self.rf.get('/test_view/')
+        request.user = ExceptionUser()
+
+        try:
+            raise ValueError('Oops')
+        except ValueError:
+            exc_type, exc_value, tb = sys.exc_info()
+
+        reporter = ExceptionReporter(request, exc_type, exc_value, tb)
+        html = reporter.get_traceback_html()
+        self.assertIn('<h1>ValueError at /test_view/</h1>', html)
+        self.assertIn('<pre class="exception_value">Oops</pre>', html)
+        self.assertIn('<h3 id="user-info">USER</h3>', html)
+        self.assertIn('<p>[unable to retrieve the current user]</p>', html)
+
+        text = reporter.get_traceback_text()
+        self.assertIn('USER: [unable to retrieve the current user]', text)
+
 
 class PlainTextReportTests(SimpleTestCase):
     rf = RequestFactory()
-- 
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