Fixed #18845 -- Do not swallow AttributeErrors when running commands

1 files changed, 17 insertions, 4 deletions

diff --git a/tests/regressiontests/admin_scripts/tests.py b/tests/regressiontests/admin_scripts/tests.py
index 6028eac846..6f524bea29 100644
--- a/tests/regressiontests/admin_scripts/tests.py
+++ b/tests/regressiontests/admin_scripts/tests.py
@@ -982,13 +982,11 @@ class ManageMultipleSettings(AdminScriptTestCase):
         self.assertNoOutput(err)
         self.assertOutput(out, "EXECUTE:NoArgsCommand")
 
+
 class ManageSettingsWithImportError(AdminScriptTestCase):
     """Tests for manage.py when using the default settings.py file
     with an import error. Ticket #14130.
     """
-    def setUp(self):
-        self.write_settings_with_import_error('settings.py')
-
     def tearDown(self):
         self.remove_settings('settings.py')
 
@@ -1004,12 +1002,27 @@ class ManageSettingsWithImportError(AdminScriptTestCase):
             settings_file.write('# The next line will cause an import error:\nimport foo42bar\n')
 
     def test_builtin_command(self):
-        "import error: manage.py builtin commands shows useful diagnostic info when settings with import errors is provided"
+        """
+        import error: manage.py builtin commands shows useful diagnostic info
+        when settings with import errors is provided
+        """
+        self.write_settings_with_import_error('settings.py')
         args = ['sqlall', 'admin_scripts']
         out, err = self.run_manage(args)
         self.assertNoOutput(out)
         self.assertOutput(err, "No module named foo42bar")
 
+    def test_builtin_command_with_attribute_error(self):
+        """
+        manage.py builtin commands does not swallow attribute errors from bad settings (#18845)
+        """
+        self.write_settings('settings.py', sdict={'BAD_VAR': 'INSTALLED_APPS.crash'})
+        args = ['collectstatic', 'admin_scripts']
+        out, err = self.run_manage(args)
+        self.assertNoOutput(out)
+        self.assertOutput(err, "AttributeError: 'list' object has no attribute 'crash'")
+
+
 class ManageValidate(AdminScriptTestCase):
     def tearDown(self):
         self.remove_settings('settings.py')