Support reloading the telegram notify platform (#39529)

* Support reloading the telegram notify platform

* services.yaml

homeassistant/components/telegram/__init__.py

@@ -1 +1,4 @@
 """The telegram component."""
+
+DOMAIN = "telegram"
+PLATFORMS = ["notify"]

homeassistant/components/telegram/notify.py

@@ -12,6 +12,9 @@ from homeassistant.components.notify import (
     BaseNotificationService,
 )
 from homeassistant.const import ATTR_LOCATION
+from homeassistant.helpers.reload import setup_reload_service
+
+from . import DOMAIN as TELEGRAM_DOMAIN, PLATFORMS
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -29,6 +32,8 @@ PLATFORM_SCHEMA = PLATFORM_SCHEMA.extend({vol.Required(CONF_CHAT_ID): vol.Coerce
 
 def get_service(hass, config, discovery_info=None):
     """Get the Telegram notification service."""
+
+    setup_reload_service(hass, TELEGRAM_DOMAIN, PLATFORMS)
     chat_id = config.get(CONF_CHAT_ID)
     return TelegramNotificationService(hass, chat_id)
 

homeassistant/components/telegram/services.yaml

@@ -0,0 +1,2 @@
+reload:
+  description: Reload telegram notify services.

tests/components/telegram/__init__.py

@@ -0,0 +1 @@
+"""Tests for telegram component."""

tests/components/telegram/test_notify.py

@@ -0,0 +1,53 @@
+"""The tests for the telegram.notify platform."""
+from os import path
+
+from homeassistant import config as hass_config
+import homeassistant.components.notify as notify
+from homeassistant.components.telegram import DOMAIN
+from homeassistant.const import SERVICE_RELOAD
+from homeassistant.setup import async_setup_component
+
+from tests.async_mock import patch
+
+
+async def test_reload_notify(hass):
+    """Verify we can reload the notify service."""
+
+    with patch("homeassistant.components.telegram_bot.async_setup", return_value=True):
+        assert await async_setup_component(
+            hass,
+            notify.DOMAIN,
+            {
+                notify.DOMAIN: [
+                    {
+                        "name": DOMAIN,
+                        "platform": DOMAIN,
+                        "chat_id": 1,
+                    },
+                ]
+            },
+        )
+        await hass.async_block_till_done()
+
+    assert hass.services.has_service(notify.DOMAIN, DOMAIN)
+
+    yaml_path = path.join(
+        _get_fixtures_base_path(),
+        "fixtures",
+        "telegram/configuration.yaml",
+    )
+    with patch.object(hass_config, "YAML_CONFIG_FILE", yaml_path):
+        await hass.services.async_call(
+            DOMAIN,
+            SERVICE_RELOAD,
+            {},
+            blocking=True,
+        )
+        await hass.async_block_till_done()
+
+    assert not hass.services.has_service(notify.DOMAIN, DOMAIN)
+    assert hass.services.has_service(notify.DOMAIN, "telegram_reloaded")
+
+
+def _get_fixtures_base_path():
+    return path.dirname(path.dirname(path.dirname(__file__)))

tests/fixtures/telegram/configuration.yaml

@@ -0,0 +1,4 @@
+notify:
+  - name: telegram_reloaded
+    platform: telegram
+    chat_id: 2