From b4722c4f8e21663705cc86cc407e027c421f1fe8 Mon Sep 17 00:00:00 2001
From: benedikt-bartscher
 <31854409+benedikt-bartscher@users.noreply.github.com>
Date: Thu, 12 Dec 2024 03:22:59 +0100
Subject: [PATCH] add test for default factory with rx.foreach (#4515)

---
 tests/units/components/core/test_foreach.py | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

diff --git a/tests/units/components/core/test_foreach.py b/tests/units/components/core/test_foreach.py
index 228165d3e..094f6029d 100644
--- a/tests/units/components/core/test_foreach.py
+++ b/tests/units/components/core/test_foreach.py
@@ -1,8 +1,10 @@
 from typing import Dict, List, Set, Tuple, Union
 
+import pydantic.v1
 import pytest
 
 from reflex import el
+from reflex.base import Base
 from reflex.components.component import Component
 from reflex.components.core.foreach import (
     Foreach,
@@ -18,6 +20,12 @@ from reflex.vars.number import NumberVar
 from reflex.vars.sequence import ArrayVar
 
 
+class ForEachTag(Base):
+    """A tag for testing the ForEach component."""
+
+    name: str = ""
+
+
 class ForEachState(BaseState):
     """A state for testing the ForEach component."""
 
@@ -46,6 +54,8 @@ class ForEachState(BaseState):
     bad_annotation_list: list = [["red", "orange"], ["yellow", "blue"]]
     color_index_tuple: Tuple[int, str] = (0, "red")
 
+    default_factory_list: list[ForEachTag] = pydantic.v1.Field(default_factory=list)
+
 
 class ComponentStateTest(ComponentState):
     """A test component state."""
@@ -290,3 +300,11 @@ def test_foreach_component_state():
             ForEachState.colors_list,
             ComponentStateTest.create,
         )
+
+
+def test_foreach_default_factory():
+    """Test that the default factory is called."""
+    _ = Foreach.create(
+        ForEachState.default_factory_list,
+        lambda tag: text(tag.name),
+    )