Fix command line sensors removing quotes with template (#35559)

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

homeassistant/components/command_line/sensor.py

@@ -3,7 +3,6 @@ from collections.abc import Mapping
 from datetime import timedelta
 import json
 import logging
-import shlex
 import subprocess
 
 import voluptuous as vol
@@ -171,7 +170,7 @@ class CommandSensorData:
             pass
         else:
             # Template used. Construct the string used in the shell
-            command = str(" ".join([prog] + shlex.split(rendered_args)))
+            command = f"{prog} {rendered_args}"
         try:
             _LOGGER.debug("Running command: %s", command)
             return_value = subprocess.check_output(

tests/components/command_line/test_sensor.py

@@ -70,6 +70,23 @@ class TestCommandSensorSensor(unittest.TestCase):
 
         assert data.value == "Works"
 
+    def test_template_render_with_quote(self):
+        """Ensure command with templates and quotes get rendered properly."""
+        self.hass.states.set("sensor.test_state", "Works 2")
+        with patch(
+            "homeassistant.components.command_line.sensor.subprocess.check_output",
+            return_value=b"Works\n",
+        ) as check_output:
+            data = command_line.CommandSensorData(
+                self.hass, 'echo "{{ states.sensor.test_state.state }}" "3 4"', 15,
+            )
+            data.update()
+
+        assert data.value == "Works"
+        check_output.assert_called_once_with(
+            'echo "Works 2" "3 4"', shell=True, timeout=15  # nosec # shell by design
+        )
+
     def test_bad_command(self):
         """Test bad command."""
         data = command_line.CommandSensorData(self.hass, "asdfasdf", 15)