Make nx584 expose zone types (sensor classes)

With this, plus https://github.com/balloob/home-assistant-polymer/pull/32,
I can have nx584 sensors use a proper icon in the UI.

homeassistant/components/binary_sensor/nx584.py

@@ -12,7 +12,8 @@ import time
 
 import requests
 
-from homeassistant.components.binary_sensor import BinarySensorDevice
+from homeassistant.components.binary_sensor import (BinarySensorDevice,
+                                                    SENSOR_CLASSES)
 
 REQUIREMENTS = ['pynx584==0.2']
 _LOGGER = logging.getLogger(__name__)
@@ -24,11 +25,17 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
 
     host = config.get('host', 'localhost:5007')
     exclude = config.get('exclude_zones', [])
+    zone_types = config.get('zone_types', {})
 
     if not all(isinstance(zone, int) for zone in exclude):
         _LOGGER.error('Invalid excluded zone specified (use zone number)')
         return False
 
+    if not all(isinstance(zone, int) and ztype in SENSOR_CLASSES
+               for zone, ztype in zone_types.items()):
+        _LOGGER.error('Invalid zone_types entry')
+        return False
+
     try:
         client = nx584_client.Client('http://%s' % host)
         zones = client.list_zones()
@@ -42,7 +49,9 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
         return False
 
     zone_sensors = {
-        zone['number']: NX584ZoneSensor(zone)
+        zone['number']: NX584ZoneSensor(
+            zone,
+            zone_types.get(zone['number'], 'opening'))
         for zone in zones
         if zone['number'] not in exclude}
     if zone_sensors:
@@ -58,8 +67,13 @@ def setup_platform(hass, config, add_devices, discovery_info=None):
 class NX584ZoneSensor(BinarySensorDevice):
     """Represents a NX584 zone as a sensor."""
 
-    def __init__(self, zone):
+    def __init__(self, zone, zone_type):
         self._zone = zone
+        self._zone_type = zone_type
+
+    @property
+    def sensor_class(self):
+        return self._zone_type
 
     @property
     def should_poll(self):

tests/components/binary_sensor/test_nx584.py

@@ -41,7 +41,7 @@ class TestNX584SensorSetup(unittest.TestCase):
         hass = mock.MagicMock()
         self.assertTrue(nx584.setup_platform(hass, {}, add_devices))
         mock_nx.assert_has_calls([
-            mock.call(zone)
+            mock.call(zone, 'opening')
             for zone in self.fake_zones])
         self.assertTrue(add_devices.called)
         nx584_client.Client.assert_called_once_with('http://localhost:5007')
@@ -58,8 +58,8 @@ class TestNX584SensorSetup(unittest.TestCase):
         hass = mock.MagicMock()
         self.assertTrue(nx584.setup_platform(hass, config, add_devices))
         mock_nx.assert_has_calls([
-            mock.call(self.fake_zones[0]),
-            mock.call(self.fake_zones[2]),
+            mock.call(self.fake_zones[0], 'opening'),
+            mock.call(self.fake_zones[2], 'motion'),
             ])
         self.assertTrue(add_devices.called)
         nx584_client.Client.assert_called_once_with('http://foo:123')
@@ -74,6 +74,9 @@ class TestNX584SensorSetup(unittest.TestCase):
     def test_setup_bad_config(self):
         bad_configs = [
             {'exclude_zones': ['a']},
+            {'zone_types': {'a': 'b'}},
+            {'zone_types': {1: 'notatype'}},
+            {'zone_types': {'notazone': 'motion'}},
         ]
         for config in bad_configs:
             self._test_assert_graceful_fail(config)
@@ -98,7 +101,7 @@ class TestNX584SensorSetup(unittest.TestCase):
 class TestNX584ZoneSensor(unittest.TestCase):
     def test_sensor_normal(self):
         zone = {'number': 1, 'name': 'foo', 'state': True}
-        sensor = nx584.NX584ZoneSensor(zone)
+        sensor = nx584.NX584ZoneSensor(zone, 'motion')
         self.assertEqual('foo', sensor.name)
         self.assertFalse(sensor.should_poll)
         self.assertTrue(sensor.is_on)
@@ -113,8 +116,8 @@ class TestNX584Watcher(unittest.TestCase):
         zone1 = {'number': 1, 'name': 'foo', 'state': True}
         zone2 = {'number': 2, 'name': 'bar', 'state': True}
         zones = {
-            1: nx584.NX584ZoneSensor(zone1),
-            2: nx584.NX584ZoneSensor(zone2),
+            1: nx584.NX584ZoneSensor(zone1, 'motion'),
+            2: nx584.NX584ZoneSensor(zone2, 'motion'),
         }
         watcher = nx584.NX584Watcher(None, zones)
         watcher._process_zone_event({'zone': 1, 'zone_state': False})