Add Z-Wave WS command to hard reset controller (#101449)

tests/components/zwave_js/test_api.py

@@ -4650,3 +4650,72 @@ async def test_subscribe_node_statistics(
 
     assert not msg["success"]
     assert msg["error"]["code"] == ERR_NOT_LOADED
+
+
+async def test_hard_reset_controller(
+    hass: HomeAssistant, client, integration, hass_ws_client: WebSocketGenerator
+) -> None:
+    """Test that the hard_reset_controller WS API call works."""
+    entry = integration
+    ws_client = await hass_ws_client(hass)
+
+    client.async_send_command.return_value = {}
+    await ws_client.send_json(
+        {
+            ID: 1,
+            TYPE: "zwave_js/hard_reset_controller",
+            ENTRY_ID: entry.entry_id,
+        }
+    )
+    msg = await ws_client.receive_json()
+    assert msg["result"] is None
+    assert msg["success"]
+
+    assert len(client.async_send_command.call_args_list) == 1
+    assert client.async_send_command.call_args[0][0] == {"command": "driver.hard_reset"}
+
+    # Test FailedZWaveCommand is caught
+    with patch(
+        "zwave_js_server.model.driver.Driver.async_hard_reset",
+        side_effect=FailedZWaveCommand("failed_command", 1, "error message"),
+    ):
+        await ws_client.send_json(
+            {
+                ID: 2,
+                TYPE: "zwave_js/hard_reset_controller",
+                ENTRY_ID: entry.entry_id,
+            }
+        )
+        msg = await ws_client.receive_json()
+
+        assert not msg["success"]
+        assert msg["error"]["code"] == "zwave_error"
+        assert msg["error"]["message"] == "zwave_error: Z-Wave error 1 - error message"
+
+    # Test sending command with not loaded entry fails
+    await hass.config_entries.async_unload(entry.entry_id)
+    await hass.async_block_till_done()
+
+    await ws_client.send_json(
+        {
+            ID: 3,
+            TYPE: "zwave_js/hard_reset_controller",
+            ENTRY_ID: entry.entry_id,
+        }
+    )
+    msg = await ws_client.receive_json()
+
+    assert not msg["success"]
+    assert msg["error"]["code"] == ERR_NOT_LOADED
+
+    await ws_client.send_json(
+        {
+            ID: 4,
+            TYPE: "zwave_js/hard_reset_controller",
+            ENTRY_ID: "INVALID",
+        }
+    )
+    msg = await ws_client.receive_json()
+
+    assert not msg["success"]
+    assert msg["error"]["code"] == ERR_NOT_FOUND