Refs #30325 -- Added tests for using count()/exists() with custom managers and reverse M2M relations.

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/many_to_many/models.py b/tests/many_to_many/models.py
index 28d23f2a82..7b46d2484e 100644
--- a/tests/many_to_many/models.py
+++ b/tests/many_to_many/models.py
@@ -27,6 +27,11 @@ class Tag(models.Model):
         return self.name
 
 
+class NoDeletedArticleManager(models.Manager):
+    def get_queryset(self):
+        return super().get_queryset().exclude(headline='deleted')
+
+
 class Article(models.Model):
     headline = models.CharField(max_length=100)
     # Assign a string as name to make sure the intermediary model is
@@ -34,6 +39,8 @@ class Article(models.Model):
     publications = models.ManyToManyField(Publication, name='publications')
     tags = models.ManyToManyField(Tag, related_name='tags')
 
+    objects = NoDeletedArticleManager()
+
     class Meta:
         ordering = ('headline',)