Updater Component is always available and shows on/off wether an update is available

homeassistant/components/updater/__init__.py

@@ -21,6 +21,7 @@ import homeassistant.util.dt as dt_util
 _LOGGER = logging.getLogger(__name__)
 
 ATTR_RELEASE_NOTES = 'release_notes'
+ATTR_NEWEST_VERSION = 'newest_version'
 
 CONF_REPORTING = 'reporting'
 CONF_COMPONENT_REPORTING = 'include_used_components'
@@ -95,15 +96,24 @@ async def async_setup(hass, config):
             newest = hass.components.hassio.get_homeassistant_version()
 
         # Validate version
+        update_available = False
         if StrictVersion(newest) > StrictVersion(current_version):
             _LOGGER.info("The latest available version is %s", newest)
-            hass.states.async_set(
+            update_available = True
-                ENTITY_ID, newest, {ATTR_FRIENDLY_NAME: 'Update Available',
-                                    ATTR_RELEASE_NOTES: releasenotes}
-            )
         elif StrictVersion(newest) == StrictVersion(current_version):
             _LOGGER.info(
                 "You are on the latest version (%s) of Home Assistant", newest)
+        elif StrictVersion(newest) < StrictVersion(current_version):
+            _LOGGER.warning(
+                "You are before the latest version (%s) of Home Assistant",
+                newest)
+
+        hass.states.async_set(
+            ENTITY_ID, 'on' if update_available else 'off', {
+                ATTR_FRIENDLY_NAME: 'Update Available',
+                ATTR_RELEASE_NOTES: releasenotes,
+                ATTR_NEWEST_VERSION: newest}
+        )
 
     # Update daily, start 1 hour after startup
     _dt = dt_util.utcnow() + timedelta(hours=1)

tests/components/updater/test_init.py

@@ -46,7 +46,7 @@ def mock_get_uuid():
 
 
 @asyncio.coroutine
-def test_new_version_shows_entity_after_hour(
+def test_new_version_shows_entity_true(
         hass, mock_get_uuid, mock_get_newest_version):
     """Test if new entity is created if new version is available."""
     mock_get_uuid.return_value = MOCK_HUUID
@@ -61,11 +61,13 @@ def test_new_version_shows_entity_after_hour(
         async_fire_time_changed(hass, dt_util.utcnow() + timedelta(hours=1))
         yield from hass.async_block_till_done()
 
-    assert hass.states.is_state(updater.ENTITY_ID, NEW_VERSION)
+    assert hass.states.is_state(updater.ENTITY_ID, 'on')
+    assert hass.states.get(updater.ENTITY_ID).attributes['newest_version'] is \
+        NEW_VERSION
 
 
 @asyncio.coroutine
-def test_same_version_not_show_entity(
+def test_same_version_shows_entity_false(
         hass, mock_get_uuid, mock_get_newest_version):
     """Test if new entity is created if new version is available."""
     mock_get_uuid.return_value = MOCK_HUUID
@@ -80,7 +82,9 @@ def test_same_version_not_show_entity(
         async_fire_time_changed(hass, dt_util.utcnow() + timedelta(hours=1))
         yield from hass.async_block_till_done()
 
-    assert hass.states.get(updater.ENTITY_ID) is None
+    assert hass.states.is_state(updater.ENTITY_ID, 'off')
+    assert hass.states.get(updater.ENTITY_ID).attributes['newest_version'] is \
+        MOCK_VERSION
 
 
 @asyncio.coroutine
@@ -100,7 +104,7 @@ def test_disable_reporting(hass, mock_get_uuid, mock_get_newest_version):
         async_fire_time_changed(hass, dt_util.utcnow() + timedelta(hours=1))
         yield from hass.async_block_till_done()
 
-    assert hass.states.get(updater.ENTITY_ID) is None
+    assert hass.states.is_state(updater.ENTITY_ID, 'off')
     res = yield from updater.get_newest_version(hass, MOCK_HUUID, MOCK_CONFIG)
     call = mock_get_newest_version.mock_calls[0][1]
     assert call[0] is hass
@@ -184,4 +188,6 @@ def test_new_version_shows_entity_after_hour_hassio(
         async_fire_time_changed(hass, dt_util.utcnow() + timedelta(hours=1))
         yield from hass.async_block_till_done()
 
-    assert hass.states.is_state(updater.ENTITY_ID, "999.0")
+    assert hass.states.is_state(updater.ENTITY_ID, 'on')
+    assert hass.states.get(updater.ENTITY_ID).attributes['newest_version'] is \
+        "999.0"