Ensure internal/external URL have no path (#54304)

* Ensure internal/external URL have no path

* Fix comment typo

Co-authored-by: Martin Hjelmare <marhje52@gmail.com>

tests/helpers/test_config_validation.py

@@ -120,6 +120,25 @@ def test_url():
         assert schema(value)
 
 
+def test_url_no_path():
+    """Test URL."""
+    schema = vol.Schema(cv.url_no_path)
+
+    for value in (
+        "https://localhost/test/index.html",
+        "http://home-assistant.io/test/",
+    ):
+        with pytest.raises(vol.MultipleInvalid):
+            schema(value)
+
+    for value in (
+        "http://localhost",
+        "http://home-assistant.io",
+        "https://community.home-assistant.io/",
+    ):
+        assert schema(value)
+
+
 def test_platform_config():
     """Test platform config validation."""
     options = ({}, {"hello": "world"})