diff --git a/.coveragerc b/.coveragerc
index 3c70bf1e4d8..5004d90047e 100644
--- a/.coveragerc
+++ b/.coveragerc
@@ -1291,7 +1291,6 @@ omit =
     homeassistant/components/waze_travel_time/sensor.py
     homeassistant/components/webostv/__init__.py
     homeassistant/components/webostv/media_player.py
-    homeassistant/components/webostv/notify.py
     homeassistant/components/whois/__init__.py
     homeassistant/components/whois/sensor.py
     homeassistant/components/wiffi/*
diff --git a/tests/components/webostv/test_notify.py b/tests/components/webostv/test_notify.py
new file mode 100644
index 00000000000..08dfa4a9a06
--- /dev/null
+++ b/tests/components/webostv/test_notify.py
@@ -0,0 +1,126 @@
+"""The tests for the WebOS TV notify platform."""
+from unittest.mock import Mock, call
+
+from aiowebostv import WebOsTvPairError
+import pytest
+
+from homeassistant.components.notify import ATTR_MESSAGE, DOMAIN as NOTIFY_DOMAIN
+from homeassistant.components.webostv import DOMAIN
+from homeassistant.const import CONF_ICON, CONF_SERVICE_DATA
+from homeassistant.setup import async_setup_component
+
+from . import TV_NAME, setup_webostv
+
+ICON_PATH = "/some/path"
+MESSAGE = "one, two, testing, testing"
+
+
+async def test_notify(hass, client):
+    """Test sending a message."""
+    await setup_webostv(hass, "fake-uuid")
+    assert hass.services.has_service(NOTIFY_DOMAIN, TV_NAME)
+
+    await hass.services.async_call(
+        NOTIFY_DOMAIN,
+        TV_NAME,
+        {
+            ATTR_MESSAGE: MESSAGE,
+            CONF_SERVICE_DATA: {
+                CONF_ICON: ICON_PATH,
+            },
+        },
+        blocking=True,
+    )
+    assert client.mock_calls[0] == call.connect()
+    assert client.connect.call_count == 1
+    client.send_message.assert_called_with(MESSAGE, icon_path=ICON_PATH)
+
+
+async def test_notify_not_connected(hass, client, monkeypatch):
+    """Test sending a message when client is not connected."""
+    await setup_webostv(hass, "fake-uuid")
+    assert hass.services.has_service(NOTIFY_DOMAIN, TV_NAME)
+
+    monkeypatch.setattr(client, "is_connected", Mock(return_value=False))
+    await hass.services.async_call(
+        NOTIFY_DOMAIN,
+        TV_NAME,
+        {
+            ATTR_MESSAGE: MESSAGE,
+            CONF_SERVICE_DATA: {
+                CONF_ICON: ICON_PATH,
+            },
+        },
+        blocking=True,
+    )
+    assert client.mock_calls[0] == call.connect()
+    assert client.connect.call_count == 2
+    client.send_message.assert_called_with(MESSAGE, icon_path=ICON_PATH)
+
+
+async def test_icon_not_found(hass, caplog, client, monkeypatch):
+    """Test notify icon not found error."""
+    await setup_webostv(hass, "fake-uuid")
+    assert hass.services.has_service(NOTIFY_DOMAIN, TV_NAME)
+
+    monkeypatch.setattr(client, "send_message", Mock(side_effect=FileNotFoundError))
+    await hass.services.async_call(
+        NOTIFY_DOMAIN,
+        TV_NAME,
+        {
+            ATTR_MESSAGE: MESSAGE,
+            CONF_SERVICE_DATA: {
+                CONF_ICON: ICON_PATH,
+            },
+        },
+        blocking=True,
+    )
+    assert client.mock_calls[0] == call.connect()
+    assert client.connect.call_count == 1
+    client.send_message.assert_called_with(MESSAGE, icon_path=ICON_PATH)
+    assert f"Icon {ICON_PATH} not found" in caplog.text
+
+
+@pytest.mark.parametrize(
+    "side_effect,error",
+    [
+        (WebOsTvPairError, "Pairing with TV failed"),
+        (ConnectionRefusedError, "TV unreachable"),
+    ],
+)
+async def test_connection_errors(hass, caplog, client, monkeypatch, side_effect, error):
+    """Test connection errors scenarios."""
+    await setup_webostv(hass, "fake-uuid")
+    assert hass.services.has_service("notify", TV_NAME)
+
+    monkeypatch.setattr(client, "is_connected", Mock(return_value=False))
+    monkeypatch.setattr(client, "connect", Mock(side_effect=side_effect))
+    await hass.services.async_call(
+        NOTIFY_DOMAIN,
+        TV_NAME,
+        {
+            ATTR_MESSAGE: MESSAGE,
+            CONF_SERVICE_DATA: {
+                CONF_ICON: ICON_PATH,
+            },
+        },
+        blocking=True,
+    )
+    assert client.mock_calls[0] == call.connect()
+    assert client.connect.call_count == 1
+    client.send_message.assert_not_called()
+    assert error in caplog.text
+
+
+async def test_no_discovery_info(hass, caplog):
+    """Test setup without discovery info."""
+    assert NOTIFY_DOMAIN not in hass.config.components
+    assert await async_setup_component(
+        hass,
+        NOTIFY_DOMAIN,
+        {"notify": {"platform": DOMAIN}},
+    )
+    await hass.async_block_till_done()
+    assert NOTIFY_DOMAIN in hass.config.components
+    assert f"Failed to initialize notification service {DOMAIN}" in caplog.text
+    assert not hass.services.has_service("notify", TV_NAME)