Refs #26678 -- Added tests for using the field the relation points to with RelatedManager.add()/remove()/set().

1 files changed, 13 insertions, 0 deletions

diff --git a/tests/many_to_many/models.py b/tests/many_to_many/models.py
index 7b46d2484e..49aa73144f 100644
--- a/tests/many_to_many/models.py
+++ b/tests/many_to_many/models.py
@@ -38,6 +38,7 @@ class Article(models.Model):
     # correctly created. Refs #20207
     publications = models.ManyToManyField(Publication, name='publications')
     tags = models.ManyToManyField(Tag, related_name='tags')
+    authors = models.ManyToManyField('User', through='UserArticle')
 
     objects = NoDeletedArticleManager()
 
@@ -48,6 +49,18 @@ class Article(models.Model):
         return self.headline
 
 
+class User(models.Model):
+    username = models.CharField(max_length=20, unique=True)
+
+    def __str__(self):
+        return self.username
+
+
+class UserArticle(models.Model):
+    user = models.ForeignKey(User, models.CASCADE, to_field='username')
+    article = models.ForeignKey(Article, models.CASCADE)
+
+
 # Models to test correct related_name inheritance
 class AbstractArticle(models.Model):
     class Meta: