[1.8.x] Fixed #25016 -- Reallowed non-ASCII values for ForeignKey.related_name on Python 3.

Backport of d3e12c901777697b7bf08b25e2dd46f0b951db8c from master

1 files changed, 9 insertions, 2 deletions

diff --git a/tests/invalid_models_tests/test_relative_fields.py b/tests/invalid_models_tests/test_relative_fields.py
index b6ac3de722..5d174d0c9b 100644
--- a/tests/invalid_models_tests/test_relative_fields.py
+++ b/tests/invalid_models_tests/test_relative_fields.py
@@ -5,6 +5,7 @@ from django.core.checks import Error, Warning as DjangoWarning
 from django.db import models
 from django.test.testcases import skipIfDBFeature
 from django.test.utils import override_settings
+from django.utils import six
 
 from .base import IsolatedModelsTestCase
 
@@ -559,9 +560,12 @@ class RelativeFieldTests(IsolatedModelsTestCase):
             'contains_%s_whitespace' % whitespace,
             'ends_with_with_illegal_non_alphanumeric_%s' % illegal_non_alphanumeric,
             'ends_with_whitespace_%s' % whitespace,
-            # Python's keyword
-            'with',
+            'with',  # a Python keyword
+            'related_name\n',
         ]
+        # Python 2 crashes on non-ASCII strings.
+        if six.PY3:
+            invalid_related_names.append('，')
 
         class Parent(models.Model):
             pass
@@ -600,6 +604,9 @@ class RelativeFieldTests(IsolatedModelsTestCase):
             '_+',
             '+',
         ]
+        # Python 2 crashes on non-ASCII strings.
+        if six.PY3:
+            related_names.extend(['試', '試驗+'])
 
         class Parent(models.Model):
             pass