Add test for deleting model's objects

Author: surister

tests/test_model.py

@@ -60,6 +60,20 @@ def test_update_model():
         assert SimpleModel.objects.count() == 1
 
 
+def test_delete_from_model():
+    with captured_queries(connection) as ctx:
+        assert SimpleModel.objects.count() == 0
+        SimpleModel.objects.create()
+        SimpleModel.refresh()
+
+        assert SimpleModel.objects.count() == 1
+        SimpleModel.objects.all().delete()
+        assert ctx.latest_query.stmt == 'DELETE FROM "test_app_simplemodel"'
+
+
+        SimpleModel.refresh()
+        assert SimpleModel.objects.count() == 0
+
 def test_insert_all_fields():
     """Test that an object is created and accounted for with all supported field types"""