Set up Almond Web to connect to HA (#28603)

* Set up Almond Web to connect to HA

* Add missing string

* Add type

tests/helpers/test_network.py

@@ -0,0 +1,34 @@
+"""Test network helper."""
+from unittest.mock import Mock, patch
+
+from homeassistant.helpers import network
+from homeassistant.components import cloud
+
+
+async def test_get_external_url(hass):
+    """Test get_external_url."""
+    hass.config.api = Mock(base_url="http://192.168.1.100:8123")
+
+    assert network.async_get_external_url(hass) is None
+
+    hass.config.api = Mock(base_url="http://example.duckdns.org:8123")
+
+    assert network.async_get_external_url(hass) == "http://example.duckdns.org:8123"
+
+    hass.config.components.add("cloud")
+
+    assert network.async_get_external_url(hass) == "http://example.duckdns.org:8123"
+
+    with patch.object(
+        hass.components.cloud,
+        "async_remote_ui_url",
+        side_effect=cloud.CloudNotAvailable,
+    ):
+        assert network.async_get_external_url(hass) == "http://example.duckdns.org:8123"
+
+    with patch.object(
+        hass.components.cloud,
+        "async_remote_ui_url",
+        return_value="https://example.nabu.casa",
+    ):
+        assert network.async_get_external_url(hass) == "https://example.nabu.casa"