From b1a55e7875cad977e80704841e18b1f7706e05a0 Mon Sep 17 00:00:00 2001
From: svlyubovsk <svlyubovsk@mts.ru>
Date: Tue, 15 Oct 2024 20:53:50 +0300
Subject: [PATCH] fix: set correct path_template value for trie node

---
 litestar/_asgi/routing_trie/mapping.py   | 3 ++-
 litestar/_asgi/routing_trie/traversal.py | 5 +++--
 litestar/_asgi/routing_trie/types.py     | 6 +++---
 3 files changed, 8 insertions(+), 6 deletions(-)

diff --git a/litestar/_asgi/routing_trie/mapping.py b/litestar/_asgi/routing_trie/mapping.py
index 1a977d478d..c96db46cff 100644
--- a/litestar/_asgi/routing_trie/mapping.py
+++ b/litestar/_asgi/routing_trie/mapping.py
@@ -111,7 +111,7 @@ def add_route_to_trie(
                 next_node_key = component
 
             if next_node_key not in current_node.children:
-                current_node.children[next_node_key] = create_node(path_template=route.path_format)
+                current_node.children[next_node_key] = create_node()
 
             current_node.child_keys = set(current_node.children.keys())
             current_node = current_node.children[next_node_key]
@@ -140,6 +140,7 @@ def configure_node(
     """
     from litestar.routes import HTTPRoute, WebSocketRoute
 
+    node.path_template = route.path_format
     if not node.path_parameters:
         node.path_parameters = {}
 
diff --git a/litestar/_asgi/routing_trie/traversal.py b/litestar/_asgi/routing_trie/traversal.py
index 499e0e72a1..94b4eaeae8 100644
--- a/litestar/_asgi/routing_trie/traversal.py
+++ b/litestar/_asgi/routing_trie/traversal.py
@@ -133,8 +133,9 @@ def parse_path_to_route(
 
     try:
         if path in plain_routes:
-            asgi_app, handler = parse_node_handlers(node=root_node.children[path], method=method)
-            return asgi_app, handler, path, {}, root_node.path_template
+            node = root_node.children[path]
+            asgi_app, handler = parse_node_handlers(node=node, method=method)
+            return asgi_app, handler, path, {}, node.path_template
 
         if mount_paths_regex and (match := mount_paths_regex.match(path)):
             mount_path = path[: match.end()]
diff --git a/litestar/_asgi/routing_trie/types.py b/litestar/_asgi/routing_trie/types.py
index da86482dfa..a07e3d3567 100644
--- a/litestar/_asgi/routing_trie/types.py
+++ b/litestar/_asgi/routing_trie/types.py
@@ -34,9 +34,9 @@ class RouteTrieNode:
         "children",
         "is_asgi",
         "is_mount",
-        "is_static",
         "is_path_param_node",
         "is_path_type",
+        "is_static",
         "path_parameters",
         "path_template",
     )
@@ -68,7 +68,7 @@ class RouteTrieNode:
     """The path template string used to lower prometheus cardinality when group_path enabled"""
 
 
-def create_node(path_template: str = "") -> RouteTrieNode:
+def create_node() -> RouteTrieNode:
     """Create a RouteMapNode instance.
 
     Returns:
@@ -85,5 +85,5 @@ def create_node(path_template: str = "") -> RouteTrieNode:
         is_static=False,
         is_path_type=False,
         path_parameters={},
-        path_template=path_template,
+        path_template="",
     )