Fix result reporting from service calls

Why:

 * service calls returns list of data not single elements

This change addreses the need by:

 * skip double-listing

homeassistant_cli/plugins/entity.py

@@ -160,11 +160,11 @@ def edit(ctx: Configuration, entity, newstate, attributes, merge, json):
     _LOGGING.debug("Updated to: %s", result)
 
 
-def _report(ctx: Configuration, result: Dict[str, Any], action: str):
+def _report(ctx: Configuration, result: List[Dict[str, Any]], action: str):
     ctx.echo(
         helper.format_output(
             ctx,
-            [result],
+            result,
             columns=ctx.columns if ctx.columns else const.COLUMNS_ENTITIES,
         )
     )

homeassistant_cli/remote.py

@@ -372,7 +372,7 @@ def call_service(
     domain: str,
     service: str,
     service_data: Optional[Dict] = None,
-) -> Dict[str, Any]:
+) -> List[Dict[str, Any]]:
     """Call a service."""
     try:
         req = restapi(
@@ -389,7 +389,7 @@ def call_service(
             "Error calling service: {} - {}".format(req.status_code, req.text)
         )
 
-    return cast(Dict[str, Any], req.json())
+    return cast(List[Dict[str, Any]], req.json())
 
 
 def get_services(ctx: Configuration,) -> List[Dict[str, Any]]:

tests/test_entity.py

@@ -28,6 +28,8 @@
 }
 """
 
+LIST_EDITED_ENTITY = "[{}]".format(EDITED_ENTITY)
+
 
 def test_entity_list(basic_entities_text) -> None:
     """Test entities can be listed."""
@@ -215,6 +217,36 @@ def test_entity_edit(basic_entities_text, basic_entities) -> None:
         assert post.request_history[0].json()['state'] == 'myspecialstate'
 
 
+def test_entity_toggle(basic_entities_text, basic_entities) -> None:
+    """Test basic edit of state."""
+    with requests_mock.Mocker() as mock:
+        mock.get(
+            "http://localhost:8123/api/states",
+            text=basic_entities_text,
+            status_code=200,
+        )
+        post = mock.post(
+            "http://localhost:8123/api/services/homeassistant/toggle",
+            text=LIST_EDITED_ENTITY,
+            status_code=200,
+        )
+
+        runner = CliRunner()
+        result = runner.invoke(
+            cli.cli,
+            ["--output=json", "entity", "toggle", "sensor.one"],
+            catch_exceptions=False,
+        )
+
+        assert result.exit_code == 0
+        assert post.call_count == 1
+
+        data = json.loads(result.output)
+        assert isinstance(data, list)
+        assert len(data) == 1
+        assert isinstance(data[0], dict)
+
+
 def test_entity_filter(default_entities) -> None:
     """Test entities can be listed with filter."""
     with requests_mock.Mocker() as mock: