Store original result on template results (#42391)

* Store original result on template results

* Fix shell command test

tests/helpers/test_config_validation.py

@@ -9,7 +9,7 @@ import pytest
 import voluptuous as vol
 
 import homeassistant
-import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers import config_validation as cv, template
 
 from tests.async_mock import Mock, patch
 
@@ -365,7 +365,7 @@ def test_slug():
         schema(value)
 
 
-def test_string():
+def test_string(hass):
     """Test string validation."""
     schema = vol.Schema(cv.string)
 
@@ -381,6 +381,19 @@ def test_string():
     for value in (True, 1, "hello"):
         schema(value)
 
+    # Test template support
+    for text, native in (
+        ("[1, 2]", [1, 2]),
+        ("{1, 2}", {1, 2}),
+        ("(1, 2)", (1, 2)),
+        ('{"hello": True}', {"hello": True}),
+    ):
+        tpl = template.Template(text, hass)
+        result = tpl.async_render()
+        assert isinstance(result, template.ResultWrapper)
+        assert result == native
+        assert schema(result) == text
+
 
 def test_string_with_no_html():
     """Test string with no html validation."""