[1.7.x] Fixed #23455 -- Forced related_name to be a unicode string during deconstruction.

Backport of 45bd7b3bd9 from master

1 files changed, 14 insertions, 0 deletions

diff --git a/tests/field_deconstruction/tests.py b/tests/field_deconstruction/tests.py
index 1cf3bb4c2c..db1b5ae7d4 100644
--- a/tests/field_deconstruction/tests.py
+++ b/tests/field_deconstruction/tests.py
@@ -1,3 +1,5 @@
+from __future__ import unicode_literals
+
 import warnings
 
 from django.db import models
@@ -209,6 +211,12 @@ class FieldDeconstructionTests(TestCase):
         self.assertEqual(path, "django.db.models.ForeignKey")
         self.assertEqual(args, [])
         self.assertEqual(kwargs, {"to": "auth.Permission", "related_name": "foobar"})
+        # Test related_name unicode conversion
+        field = models.ForeignKey("auth.Permission", related_name=b"foobar")
+        name, path, args, kwargs = field.deconstruct()
+        self.assertEqual(path, "django.db.models.ForeignKey")
+        self.assertEqual(args, [])
+        self.assertEqual(kwargs, {"to": "auth.Permission", "related_name": "foobar"})
 
     @override_settings(AUTH_USER_MODEL="auth.Permission")
     def test_foreign_key_swapped(self):
@@ -289,6 +297,12 @@ class FieldDeconstructionTests(TestCase):
         self.assertEqual(path, "django.db.models.ManyToManyField")
         self.assertEqual(args, [])
         self.assertEqual(kwargs, {"to": "auth.Permission", "related_name": "custom_table"})
+        # Test related_name unicode conversion
+        field = models.ManyToManyField("auth.Permission", related_name=b"custom_table")
+        name, path, args, kwargs = field.deconstruct()
+        self.assertEqual(path, "django.db.models.ManyToManyField")
+        self.assertEqual(args, [])
+        self.assertEqual(kwargs, {"to": "auth.Permission", "related_name": "custom_table"})
 
     @override_settings(AUTH_USER_MODEL="auth.Permission")
     def test_many_to_many_field_swapped(self):