Zwave save cache to file now. (#10381)

* Add save config

* Add API to save Z-Wave cache to file immediatley.

* lint

* remove none assignment

* docstring

homeassistant/components/config/zwave.py

@@ -1,14 +1,15 @@
 """Provide configuration end points for Z-Wave."""
 import asyncio
+import logging
 
 import homeassistant.core as ha
-from homeassistant.const import HTTP_NOT_FOUND
+from homeassistant.const import HTTP_NOT_FOUND, HTTP_OK
 from homeassistant.components.http import HomeAssistantView
 from homeassistant.components.config import EditKeyBasedConfigView
 from homeassistant.components.zwave import const, DEVICE_CONFIG_SCHEMA_ENTRY
 import homeassistant.helpers.config_validation as cv
 
-
+_LOGGER = logging.getLogger(__name__)
 CONFIG_PATH = 'zwave_device_config.yaml'
 OZW_LOG_FILENAME = 'OZW_Log.txt'
 URL_API_OZW_LOG = '/api/zwave/ozwlog'
@@ -27,10 +28,31 @@ def async_setup(hass):
     hass.http.register_view(ZWaveUserCodeView)
     hass.http.register_static_path(
         URL_API_OZW_LOG, hass.config.path(OZW_LOG_FILENAME), False)
+    hass.http.register_view(ZWaveConfigWriteView)
 
     return True
 
 
+class ZWaveConfigWriteView(HomeAssistantView):
+    """View to save the ZWave configuration to zwcfg_xxxxx.xml."""
+
+    url = "/api/zwave/saveconfig"
+    name = "api:zwave:saveconfig"
+
+    @ha.callback
+    def post(self, request):
+        """Save cache configuration to zwcfg_xxxxx.xml."""
+        hass = request.app['hass']
+        network = hass.data.get(const.DATA_NETWORK)
+        if network is None:
+            return self.json_message('No Z-Wave network data found',
+                                     HTTP_NOT_FOUND)
+        _LOGGER.info("Z-Wave configuration written to file.")
+        network.write_config()
+        return self.json_message('Z-Wave configuration saved to file.',
+                                 HTTP_OK)
+
+
 class ZWaveNodeValueView(HomeAssistantView):
     """View to return the node values."""
 

tests/components/config/test_zwave.py

@@ -9,7 +9,7 @@ from homeassistant.components import config
 from homeassistant.components.zwave import DATA_NETWORK, const
 from homeassistant.components.config.zwave import (
     ZWaveNodeValueView, ZWaveNodeGroupView, ZWaveNodeConfigView,
-    ZWaveUserCodeView)
+    ZWaveUserCodeView, ZWaveConfigWriteView)
 from tests.common import mock_http_component_app
 from tests.mock.zwave import MockNode, MockValue, MockEntityValues
 
@@ -417,3 +417,36 @@ def test_get_usercodes_no_genreuser(hass, test_client):
     result = yield from resp.json()
 
     assert result == {}
+
+
+@asyncio.coroutine
+def test_save_config_no_network(hass, test_client):
+    """Test saving configuration without network data."""
+    app = mock_http_component_app(hass)
+    ZWaveConfigWriteView().register(app.router)
+
+    client = yield from test_client(app)
+
+    resp = yield from client.post('/api/zwave/saveconfig')
+
+    assert resp.status == 404
+    result = yield from resp.json()
+    assert result == {'message': 'No Z-Wave network data found'}
+
+
+@asyncio.coroutine
+def test_save_config(hass, test_client):
+    """Test saving configuration."""
+    app = mock_http_component_app(hass)
+    ZWaveConfigWriteView().register(app.router)
+
+    network = hass.data[DATA_NETWORK] = MagicMock()
+
+    client = yield from test_client(app)
+
+    resp = yield from client.post('/api/zwave/saveconfig')
+
+    assert resp.status == 200
+    result = yield from resp.json()
+    assert network.write_config.called
+    assert result == {'message': 'Z-Wave configuration saved to file.'}