Add VoIP entities (#91320)

* WIP

* Add VoIP entities to enable calls

* Mark voip entities as config only

* Remove commented code

tests/components/voip/test_devices.py

@@ -0,0 +1,50 @@
+"""Test VoIP devices."""
+
+from __future__ import annotations
+
+from voip_utils import CallInfo
+
+from homeassistant.components.voip import DOMAIN, VoIPDevices
+from homeassistant.core import HomeAssistant
+from homeassistant.helpers.device_registry import DeviceRegistry
+
+
+async def test_device_registry_info(
+    hass: HomeAssistant,
+    voip_devices: VoIPDevices,
+    call_info: CallInfo,
+    device_registry: DeviceRegistry,
+) -> None:
+    """Test info in device registry."""
+    assert not voip_devices.async_allow_call(call_info)
+
+    device = device_registry.async_get_device({(DOMAIN, call_info.caller_ip)})
+    assert device is not None
+    assert device.name == call_info.caller_ip
+    assert device.manufacturer == "Grandstream"
+    assert device.model == "HT801"
+    assert device.sw_version == "1.0.17.5"
+
+    # Test we update the device if the fw updates
+    call_info.headers["user-agent"] = "Grandstream HT801 2.0.0.0"
+
+    assert not voip_devices.async_allow_call(call_info)
+
+    device = device_registry.async_get_device({(DOMAIN, call_info.caller_ip)})
+    assert device.sw_version == "2.0.0.0"
+
+
+async def test_device_registry_info_from_unknown_phone(
+    hass: HomeAssistant,
+    voip_devices: VoIPDevices,
+    call_info: CallInfo,
+    device_registry: DeviceRegistry,
+) -> None:
+    """Test info in device registry from unknown phone."""
+    call_info.headers["user-agent"] = "Unknown"
+    assert not voip_devices.async_allow_call(call_info)
+
+    device = device_registry.async_get_device({(DOMAIN, call_info.caller_ip)})
+    assert device.manufacturer is None
+    assert device.model == "Unknown"
+    assert device.sw_version is None