Add mysensors binary sensor tests (#84580)

.coveragerc

@@ -797,7 +797,6 @@ omit =
     homeassistant/components/myq/cover.py
     homeassistant/components/myq/light.py
     homeassistant/components/mysensors/__init__.py
-    homeassistant/components/mysensors/binary_sensor.py
     homeassistant/components/mysensors/climate.py
     homeassistant/components/mysensors/const.py
     homeassistant/components/mysensors/cover.py

tests/components/mysensors/conftest.py

@@ -2,6 +2,7 @@
 from __future__ import annotations
 
 from collections.abc import AsyncGenerator, Callable, Generator
+from copy import deepcopy
 import json
 from typing import Any
 from unittest.mock import AsyncMock, MagicMock, patch
@@ -189,6 +190,20 @@ def update_gateway_nodes(
     return nodes
 
 
+@pytest.fixture(name="door_sensor_state", scope="session")
+def door_sensor_state_fixture() -> dict:
+    """Load the door sensor state."""
+    return load_nodes_state("mysensors/door_sensor_state.json")
+
+
+@pytest.fixture
+def door_sensor(gateway_nodes: dict[int, Sensor], door_sensor_state: dict) -> Sensor:
+    """Load the door sensor."""
+    nodes = update_gateway_nodes(gateway_nodes, deepcopy(door_sensor_state))
+    node = nodes[1]
+    return node
+
+
 @pytest.fixture(name="gps_sensor_state", scope="session")
 def gps_sensor_state_fixture() -> dict:
     """Load the gps sensor state."""

tests/components/mysensors/fixtures/door_sensor_state.json

@@ -0,0 +1,21 @@
+{
+  "1": {
+    "sensor_id": 1,
+    "children": {
+      "1": {
+        "id": 1,
+        "type": 0,
+        "description": "",
+        "values": {
+          "16": "0"
+        }
+      }
+    },
+    "type": 17,
+    "sketch_name": "Door Sensor",
+    "sketch_version": "1.0",
+    "battery_level": 0,
+    "protocol_version": "2.3.2",
+    "heartbeat": 0
+  }
+}

tests/components/mysensors/test_binary_sensor.py

@@ -0,0 +1,49 @@
+"""Provide tests for mysensors binary sensor platform."""
+from __future__ import annotations
+
+from collections.abc import Callable
+from unittest.mock import MagicMock
+
+from mysensors.sensor import Sensor
+
+from homeassistant.components.binary_sensor import BinarySensorDeviceClass
+from homeassistant.const import ATTR_DEVICE_CLASS
+from homeassistant.core import HomeAssistant
+
+
+async def test_door_sensor(
+    hass: HomeAssistant,
+    door_sensor: Sensor,
+    receive_message: Callable[[str], None],
+    transport_write: MagicMock,
+) -> None:
+    """Test a door sensor."""
+    entity_id = "binary_sensor.door_sensor_1_1"
+
+    state = hass.states.get(entity_id)
+
+    assert state
+    assert state.state == "off"
+    assert state.attributes[ATTR_DEVICE_CLASS] == BinarySensorDeviceClass.DOOR
+
+    receive_message("1;1;1;0;16;1\n")
+    # the integration adds multiple jobs to do the update currently
+    await hass.async_block_till_done()
+    await hass.async_block_till_done()
+    await hass.async_block_till_done()
+
+    state = hass.states.get(entity_id)
+
+    assert state
+    assert state.state == "on"
+
+    receive_message("1;1;1;0;16;0\n")
+    # the integration adds multiple jobs to do the update currently
+    await hass.async_block_till_done()
+    await hass.async_block_till_done()
+    await hass.async_block_till_done()
+
+    state = hass.states.get(entity_id)
+
+    assert state
+    assert state.state == "off"