Fixed #30409 -- Allowed using foreign key's attnames in unique/index_together and Index's fields.

1 files changed, 39 insertions, 0 deletions

diff --git a/tests/invalid_models_tests/test_models.py b/tests/invalid_models_tests/test_models.py
index 6b57dd7d9d..32617555a2 100644
--- a/tests/invalid_models_tests/test_models.py
+++ b/tests/invalid_models_tests/test_models.py
@@ -117,6 +117,19 @@ class IndexTogetherTests(SimpleTestCase):
             ),
         ])
 
+    def test_pointing_to_fk(self):
+        class Foo(models.Model):
+            pass
+
+        class Bar(models.Model):
+            foo_1 = models.ForeignKey(Foo, on_delete=models.CASCADE, related_name='bar_1')
+            foo_2 = models.ForeignKey(Foo, on_delete=models.CASCADE, related_name='bar_2')
+
+            class Meta:
+                index_together = [['foo_1_id', 'foo_2']]
+
+        self.assertEqual(Bar.check(), [])
+
 
 # unique_together tests are very similar to index_together tests.
 @isolate_apps('invalid_models_tests')
@@ -204,6 +217,19 @@ class UniqueTogetherTests(SimpleTestCase):
             ),
         ])
 
+    def test_pointing_to_fk(self):
+        class Foo(models.Model):
+            pass
+
+        class Bar(models.Model):
+            foo_1 = models.ForeignKey(Foo, on_delete=models.CASCADE, related_name='bar_1')
+            foo_2 = models.ForeignKey(Foo, on_delete=models.CASCADE, related_name='bar_2')
+
+            class Meta:
+                unique_together = [['foo_1_id', 'foo_2']]
+
+        self.assertEqual(Bar.check(), [])
+
 
 @isolate_apps('invalid_models_tests')
 class IndexesTests(SimpleTestCase):
@@ -257,6 +283,19 @@ class IndexesTests(SimpleTestCase):
             ),
         ])
 
+    def test_pointing_to_fk(self):
+        class Foo(models.Model):
+            pass
+
+        class Bar(models.Model):
+            foo_1 = models.ForeignKey(Foo, on_delete=models.CASCADE, related_name='bar_1')
+            foo_2 = models.ForeignKey(Foo, on_delete=models.CASCADE, related_name='bar_2')
+
+            class Meta:
+                indexes = [models.Index(fields=['foo_1_id', 'foo_2'], name='index_name')]
+
+        self.assertEqual(Bar.check(), [])
+
 
 @isolate_apps('invalid_models_tests')
 class FieldNamesTests(SimpleTestCase):