test: test if props can be updated directly after creation

Author: maartenbreddels

tests/ui/basics_test.py

@@ -60,7 +60,7 @@ def on_click(event_data):
     page_session.locator(".test-button >> .test-html").wait_for()
 
 
-def test_children_update_after_create(solara_test, page_session: playwright.sync_api.Page):
+def test_update_children_after_create(solara_test, page_session: playwright.sync_api.Page):
     b = ipyreact.Widget(
         _type="button",
         children=["Initial"],
@@ -70,3 +70,15 @@ def test_children_update_after_create(solara_test, page_session: playwright.sync
 
     display(b)
     page_session.locator(".test-button >> text=Updated").wait_for()
+
+
+def test_update_props_after_create(solara_test, page_session: playwright.sync_api.Page):
+    b = ipyreact.Widget(
+        _type="button",
+        children=["Button"],
+        props={"class": "test-button-initial"},
+    )
+    b.props = {"class": "test-button-updated"}
+
+    display(b)
+    page_session.locator(".test-button-updated >> text=Button").wait_for()