Add support for Alexa.StepSpeaker (#12183)

homeassistant/components/alexa/smart_home.py

@@ -352,6 +352,11 @@ class _AlexaSpeaker(_AlexaInterface):
         return 'Alexa.Speaker'
 
 
+class _AlexaStepSpeaker(_AlexaInterface):
+    def name(self):
+        return 'Alexa.StepSpeaker'
+
+
 class _AlexaPlaybackController(_AlexaInterface):
     def name(self):
         return 'Alexa.PlaybackController'
@@ -472,6 +477,11 @@ class _MediaPlayerCapabilities(_AlexaEntity):
         if supported & media_player.SUPPORT_VOLUME_SET:
             yield _AlexaSpeaker(self.entity)
 
+        step_volume_features = (media_player.SUPPORT_VOLUME_MUTE |
+                                media_player.SUPPORT_VOLUME_STEP)
+        if supported & step_volume_features:
+            yield _AlexaStepSpeaker(self.entity)
+
         playback_features = (media_player.SUPPORT_PLAY |
                              media_player.SUPPORT_PAUSE |
                              media_player.SUPPORT_STOP |
@@ -1153,6 +1163,30 @@ def async_api_adjust_volume(hass, config, request, entity):
     return api_message(request)
 
 
+@HANDLERS.register(('Alexa.StepSpeaker', 'AdjustVolume'))
+@extract_entity
+@asyncio.coroutine
+def async_api_adjust_volume_step(hass, config, request, entity):
+    """Process an adjust volume step request."""
+    volume_step = round(float(request[API_PAYLOAD]['volume'] / 100), 2)
+
+    current_level = entity.attributes.get(media_player.ATTR_MEDIA_VOLUME_LEVEL)
+
+    volume = current_level + volume_step
+
+    data = {
+        ATTR_ENTITY_ID: entity.entity_id,
+        media_player.ATTR_MEDIA_VOLUME_LEVEL: volume,
+    }
+
+    yield from hass.services.async_call(
+        entity.domain, media_player.SERVICE_VOLUME_SET,
+        data, blocking=False)
+
+    return api_message(request)
+
+
+@HANDLERS.register(('Alexa.StepSpeaker', 'SetMute'))
 @HANDLERS.register(('Alexa.Speaker', 'SetMute'))
 @extract_entity
 @asyncio.coroutine

tests/components/alexa/test_smart_home.py

@@ -429,6 +429,7 @@ def test_media_player(hass):
         'Alexa.InputController',
         'Alexa.PowerController',
         'Alexa.Speaker',
+        'Alexa.StepSpeaker',
         'Alexa.PlaybackController',
     )
 
@@ -492,6 +493,34 @@ def test_media_player(hass):
         'media_player.volume_set',
         'volume_level')
 
+    call, _ = yield from assert_request_calls_service(
+        'Alexa.StepSpeaker', 'SetMute', 'media_player#test',
+        'media_player.volume_mute',
+        hass,
+        payload={'mute': True})
+    assert call.data['is_volume_muted']
+
+    call, _, = yield from assert_request_calls_service(
+        'Alexa.StepSpeaker', 'SetMute', 'media_player#test',
+        'media_player.volume_mute',
+        hass,
+        payload={'mute': False})
+    assert not call.data['is_volume_muted']
+
+    call, _ = yield from assert_request_calls_service(
+        'Alexa.StepSpeaker', 'AdjustVolume', 'media_player#test',
+        'media_player.volume_set',
+        hass,
+        payload={'volume': 20})
+    assert call.data['volume_level'] == 0.95
+
+    call, _ = yield from assert_request_calls_service(
+        'Alexa.StepSpeaker', 'AdjustVolume', 'media_player#test',
+        'media_player.volume_set',
+        hass,
+        payload={'volume': -20})
+    assert call.data['volume_level'] == 0.55
+
 
 @asyncio.coroutine
 def test_alert(hass):