Fix TypeError Exception in AlexaSpeaker (#32318)

* alexa/capabilities.py: Fix TypeError Exception

    - Remove division by zero try/catch -- there is no division
    - Handle TypeError exception when current_volume = None
    - Simplify math and return logic

* Add test for Alexa.Speaker's valid volume range

homeassistant/components/alexa/capabilities.py

@@ -1,6 +1,5 @@
 """Alexa capabilities."""
 import logging
-import math
 
 from homeassistant.components import (
     cover,
@@ -671,11 +670,8 @@ class AlexaSpeaker(AlexaCapability):
             current_level = self.entity.attributes.get(
                 media_player.ATTR_MEDIA_VOLUME_LEVEL
             )
-            try:
+            if current_level is not None:
-                current = math.floor(int(current_level * 100))
+                return round(float(current_level) * 100)
-            except ZeroDivisionError:
-                current = 0
-            return current
 
         if name == "muted":
             return bool(

tests/components/alexa/test_capabilities.py

@@ -8,6 +8,8 @@ from homeassistant.components.media_player.const import (
     SUPPORT_PAUSE,
     SUPPORT_PLAY,
     SUPPORT_STOP,
+    SUPPORT_VOLUME_MUTE,
+    SUPPORT_VOLUME_SET,
 )
 from homeassistant.const import (
     ATTR_UNIT_OF_MEASUREMENT,
@@ -684,6 +686,36 @@ async def test_report_playback_state(hass):
     )
 
 
+async def test_report_speaker_volume(hass):
+    """Test Speaker reports volume correctly."""
+    hass.states.async_set(
+        "media_player.test_speaker",
+        "on",
+        {
+            "friendly_name": "Test media player speaker",
+            "supported_features": SUPPORT_VOLUME_MUTE | SUPPORT_VOLUME_SET,
+            "volume_level": None,
+            "device_class": "speaker",
+        },
+    )
+    properties = await reported_properties(hass, "media_player.test_speaker")
+    properties.assert_not_has_property("Alexa.Speaker", "volume")
+
+    for good_value in range(101):
+        hass.states.async_set(
+            "media_player.test_speaker",
+            "on",
+            {
+                "friendly_name": "Test media player speaker",
+                "supported_features": SUPPORT_VOLUME_MUTE | SUPPORT_VOLUME_SET,
+                "volume_level": good_value / 100,
+                "device_class": "speaker",
+            },
+        )
+        properties = await reported_properties(hass, "media_player.test_speaker")
+        properties.assert_equal("Alexa.Speaker", "volume", good_value)
+
+
 async def test_report_image_processing(hass):
     """Test EventDetectionSensor implements humanPresenceDetectionState property."""
     hass.states.async_set(