Fixed #21375 -- related_name='+' clashed with other '+' names

2 files changed, 23 insertions, 0 deletions

diff --git a/tests/model_validation/models.py b/tests/model_validation/models.py
index 9a2a5f7cd0..d2e77cbccc 100644
--- a/tests/model_validation/models.py
+++ b/tests/model_validation/models.py
@@ -25,3 +25,24 @@ class ThingWithIterableChoices(models.Model):
     # Testing choices= Iterable of Iterables
     #   See: https://code.djangoproject.com/ticket/20430
     thing = models.CharField(max_length=100, blank=True, choices=Things())
+
+    class Meta:
+        # Models created as unmanaged as these aren't ever queried
+        managed = False
+
+
+class ManyToManyRel(models.Model):
+    thing1 = models.ManyToManyField(ThingWithIterableChoices, related_name='+')
+    thing2 = models.ManyToManyField(ThingWithIterableChoices, related_name='+')
+
+    class Meta:
+        # Models created as unmanaged as these aren't ever queried
+        managed = False
+
+class FKRel(models.Model):
+    thing1 = models.ForeignKey(ThingWithIterableChoices, related_name='+')
+    thing2 = models.ForeignKey(ThingWithIterableChoices, related_name='+')
+
+    class Meta:
+        # Models created as unmanaged as these aren't ever queried
+        managed = False
diff --git a/tests/model_validation/tests.py b/tests/model_validation/tests.py
index ffd0d89412..494af97f96 100644
--- a/tests/model_validation/tests.py
+++ b/tests/model_validation/tests.py
@@ -10,4 +10,6 @@ class ModelValidationTest(TestCase):
         # Validation Tests:
         #   * choices= Iterable of Iterables
         #       See: https://code.djangoproject.com/ticket/20430
+        #   * related_name='+' doesn't clash with another '+'
+        #       See: https://code.djangoproject.com/ticket/21375
         management.call_command("validate", stdout=six.StringIO())