Add initial config validation

homeassistant/__main__.py

@@ -244,6 +244,9 @@ def setup_and_run_hass(config_dir, args, top_process=False):
             config_file, daemon=args.daemon, verbose=args.verbose,
             skip_pip=args.skip_pip, log_rotate_days=args.log_rotate_days)
 
+    if hass is None:
+        return
+
     if args.open_ui:
         def open_browser(event):
             """Open the webinterface in a browser."""

homeassistant/bootstrap.py

@@ -8,6 +8,8 @@ import sys
 from collections import defaultdict
 from threading import RLock
 
+import voluptuous as vol
+
 import homeassistant.components as core_components
 import homeassistant.components.group as group
 import homeassistant.config as config_util
@@ -20,7 +22,8 @@ from homeassistant.const import (
     CONF_CUSTOMIZE, CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME,
     CONF_TEMPERATURE_UNIT, CONF_TIME_ZONE, EVENT_COMPONENT_LOADED,
     TEMP_CELCIUS, TEMP_FAHRENHEIT, __version__)
-from homeassistant.helpers import event_decorators, service
+from homeassistant.helpers import (
+    event_decorators, service, config_per_platform)
 from homeassistant.helpers.entity import Entity
 
 _LOGGER = logging.getLogger(__name__)
@@ -72,7 +75,7 @@ def _handle_requirements(hass, component, name):
 
 def _setup_component(hass, domain, config):
     """Setup a component for Home Assistant."""
-    # pylint: disable=too-many-return-statements
+    # pylint: disable=too-many-return-statements,too-many-branches
     if domain in hass.config.components:
         return True
 
@@ -96,6 +99,25 @@ def _setup_component(hass, domain, config):
                 domain, ", ".join(missing_deps))
             return False
 
+        if hasattr(component, 'CONFIG_SCHEMA'):
+            try:
+                config = component.CONFIG_SCHEMA(config)
+            except vol.MultipleInvalid as ex:
+                _LOGGER.error('Invalid config for [%s]: %s', domain, ex)
+                return False
+
+        if hasattr(component, 'PLATFORM_SCHEMA'):
+            platforms = []
+            for _, platform in config_per_platform(config, domain):
+                try:
+                    platforms.append(component.PLATFORM_SCHEMA(platform))
+                except vol.MultipleInvalid as ex:
+                    _LOGGER.error('Invalid platform config for [%s]: %s. %s',
+                                  domain, ex, platform)
+                    return False
+
+            config = {domain: platforms}
+
         if not _handle_requirements(hass, component, domain):
             return False
 
@@ -176,8 +198,14 @@ def from_config_dict(config, hass=None, config_dir=None, enable_log=True,
             hass.config.config_dir = config_dir
             mount_local_lib_path(config_dir)
 
+    try:
+        process_ha_core_config(hass, config_util.CORE_CONFIG_SCHEMA(
+            config.get(core.DOMAIN, {})))
+    except vol.MultipleInvalid as ex:
+        _LOGGER.error('Invalid config for [homeassistant]: %s', ex)
+        return None
+
     process_ha_config_upgrade(hass)
-    process_ha_core_config(hass, config.get(core.DOMAIN, {}))
 
     if enable_log:
         enable_logging(hass, verbose, daemon, log_rotate_days)
@@ -336,40 +364,28 @@ def process_ha_core_config(hass, config):
         else:
             _LOGGER.error('Received invalid time zone %s', time_zone_str)
 
-    for key, attr, typ in ((CONF_LATITUDE, 'latitude', float),
-                           (CONF_LONGITUDE, 'longitude', float),
-                           (CONF_NAME, 'location_name', str)):
+    for key, attr in ((CONF_LATITUDE, 'latitude'),
+                      (CONF_LONGITUDE, 'longitude'),
+                      (CONF_NAME, 'location_name')):
         if key in config:
-            try:
-                setattr(hac, attr, typ(config[key]))
-            except ValueError:
-                _LOGGER.error('Received invalid %s value for %s: %s',
-                              typ.__name__, key, attr)
+            setattr(hac, attr, config[key])
 
-    set_time_zone(config.get(CONF_TIME_ZONE))
+    if CONF_TIME_ZONE in config:
+        set_time_zone(config.get(CONF_TIME_ZONE))
 
-    customize = config.get(CONF_CUSTOMIZE)
-
-    if isinstance(customize, dict):
-        for entity_id, attrs in config.get(CONF_CUSTOMIZE, {}).items():
-            if not isinstance(attrs, dict):
-                continue
-            Entity.overwrite_attribute(entity_id, attrs.keys(), attrs.values())
+    for entity_id, attrs in config.get(CONF_CUSTOMIZE).items():
+        Entity.overwrite_attribute(entity_id, attrs.keys(), attrs.values())
 
     if CONF_TEMPERATURE_UNIT in config:
-        unit = config[CONF_TEMPERATURE_UNIT]
-
-        if unit == 'C':
-            hac.temperature_unit = TEMP_CELCIUS
-        elif unit == 'F':
-            hac.temperature_unit = TEMP_FAHRENHEIT
+        hac.temperature_unit = config[CONF_TEMPERATURE_UNIT]
 
     # If we miss some of the needed values, auto detect them
     if None not in (
             hac.latitude, hac.longitude, hac.temperature_unit, hac.time_zone):
         return
 
-    _LOGGER.info('Auto detecting location and temperature unit')
+    _LOGGER.warning('Incomplete core config. Auto detecting location and '
+                    'temperature unit')
 
     info = loc_util.detect_location_info()
 

homeassistant/components/binary_sensor/__init__.py

@@ -11,6 +11,7 @@ from homeassistant.helpers.entity import Entity
 from homeassistant.const import (STATE_ON, STATE_OFF)
 from homeassistant.components import (
     bloomsky, mysensors, zwave, vera, wemo, wink)
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 
 DOMAIN = 'binary_sensor'
 SCAN_INTERVAL = 30

homeassistant/components/camera/__init__.py

@@ -15,6 +15,7 @@ from homeassistant.helpers.entity import Entity
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.components import bloomsky
 from homeassistant.const import HTTP_OK, HTTP_NOT_FOUND, ATTR_ENTITY_ID
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 
 
 DOMAIN = 'camera'

homeassistant/components/device_tracker/__init__.py

@@ -17,6 +17,7 @@ from homeassistant.config import load_yaml_config_file
 from homeassistant.exceptions import HomeAssistantError
 from homeassistant.helpers import config_per_platform
 from homeassistant.helpers.entity import Entity
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 import homeassistant.util as util
 import homeassistant.util.dt as dt_util
 
@@ -129,8 +130,7 @@ def setup(hass, config):
         except Exception:  # pylint: disable=broad-except
             _LOGGER.exception('Error setting up platform %s', p_type)
 
-    for p_type, p_config in \
-            config_per_platform(config, DOMAIN, _LOGGER):
+    for p_type, p_config in config_per_platform(config, DOMAIN):
         setup_platform(p_type, p_config)
 
     def device_tracker_discovered(service, info):

homeassistant/components/garage_door/__init__.py

@@ -10,7 +10,7 @@ import os
 from homeassistant.config import load_yaml_config_file
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.entity import Entity
-
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 from homeassistant.const import (
     STATE_CLOSED, STATE_OPEN, STATE_UNKNOWN, SERVICE_CLOSE, SERVICE_OPEN,
     ATTR_ENTITY_ID)

homeassistant/components/group.py

@@ -6,6 +6,8 @@ https://home-assistant.io/components/group/
 """
 import threading
 
+import voluptuous as vol
+
 import homeassistant.core as ha
 from homeassistant.const import (
     ATTR_ENTITY_ID, CONF_ICON, CONF_NAME, STATE_CLOSED, STATE_HOME,
@@ -14,6 +16,7 @@ from homeassistant.const import (
 from homeassistant.helpers.entity import (
     Entity, generate_entity_id, split_entity_id)
 from homeassistant.helpers.event import track_state_change
+import homeassistant.helpers.config_validation as cv
 
 DOMAIN = 'group'
 
@@ -26,6 +29,38 @@ ATTR_AUTO = 'auto'
 ATTR_ORDER = 'order'
 ATTR_VIEW = 'view'
 
+
+def _conf_preprocess(value):
+    """Preprocess alternative configuration formats."""
+    if isinstance(value, (str, list)):
+        value = {CONF_ENTITIES: value}
+
+    return value
+
+_SINGLE_GROUP_CONFIG = vol.Schema(vol.All(_conf_preprocess, {
+    vol.Required(CONF_ENTITIES): cv.entity_ids,
+    CONF_VIEW: bool,
+    CONF_NAME: str,
+    CONF_ICON: cv.icon,
+}))
+
+
+def _group_dict(value):
+    """Validate a dictionary of group definitions."""
+    config = {}
+    for key, group in value.items():
+        try:
+            config[key] = _SINGLE_GROUP_CONFIG(group)
+        except vol.MultipleInvalid as ex:
+            raise vol.Invalid('Group {} is invalid: {}'.format(key, ex))
+
+    return config
+
+
+CONFIG_SCHEMA = vol.Schema({
+    DOMAIN: vol.All(dict, _group_dict)
+}, extra=True)
+
 # List of ON/OFF state tuples for groupable states
 _GROUP_TYPES = [(STATE_ON, STATE_OFF), (STATE_HOME, STATE_NOT_HOME),
                 (STATE_OPEN, STATE_CLOSED)]
@@ -108,17 +143,11 @@ def get_entity_ids(hass, entity_id, domain_filter=None):
 def setup(hass, config):
     """Setup all groups found definded in the configuration."""
     for object_id, conf in config.get(DOMAIN, {}).items():
-        if not isinstance(conf, dict):
-            conf = {CONF_ENTITIES: conf}
-
         name = conf.get(CONF_NAME, object_id)
-        entity_ids = conf.get(CONF_ENTITIES)
+        entity_ids = conf[CONF_ENTITIES]
         icon = conf.get(CONF_ICON)
         view = conf.get(CONF_VIEW)
 
-        if isinstance(entity_ids, str):
-            entity_ids = [ent.strip() for ent in entity_ids.split(",")]
-
         Group(hass, name, entity_ids, icon=icon, view=view,
               object_id=object_id)
 

homeassistant/components/light/__init__.py

@@ -17,6 +17,7 @@ from homeassistant.const import (
     ATTR_ENTITY_ID)
 from homeassistant.helpers.entity import ToggleEntity
 from homeassistant.helpers.entity_component import EntityComponent
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 import homeassistant.util as util
 import homeassistant.util.color as color_util
 

homeassistant/components/lock/__init__.py

@@ -11,7 +11,7 @@ import os
 from homeassistant.config import load_yaml_config_file
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.entity import Entity
-
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 from homeassistant.const import (
     ATTR_CODE, ATTR_CODE_FORMAT, ATTR_ENTITY_ID, STATE_LOCKED, STATE_UNLOCKED,
     STATE_UNKNOWN, SERVICE_LOCK, SERVICE_UNLOCK)

homeassistant/components/media_player/__init__.py

@@ -11,6 +11,7 @@ from homeassistant.components import discovery
 from homeassistant.config import load_yaml_config_file
 from homeassistant.helpers.entity import Entity
 from homeassistant.helpers.entity_component import EntityComponent
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 from homeassistant.const import (
     STATE_OFF, STATE_UNKNOWN, STATE_PLAYING, STATE_IDLE,
     ATTR_ENTITY_ID, SERVICE_TURN_OFF, SERVICE_TURN_ON,

homeassistant/components/notify/__init__.py

@@ -10,8 +10,8 @@ import os
 
 import homeassistant.bootstrap as bootstrap
 from homeassistant.config import load_yaml_config_file
-from homeassistant.helpers import config_per_platform
-from homeassistant.helpers import template
+from homeassistant.helpers import config_per_platform, template
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 
 from homeassistant.const import CONF_NAME
 
@@ -51,7 +51,7 @@ def setup(hass, config):
     descriptions = load_yaml_config_file(
         os.path.join(os.path.dirname(__file__), 'services.yaml'))
 
-    for platform, p_config in config_per_platform(config, DOMAIN, _LOGGER):
+    for platform, p_config in config_per_platform(config, DOMAIN):
         notify_implementation = bootstrap.prepare_setup_platform(
             hass, config, DOMAIN, platform)
 

homeassistant/components/rollershutter/__init__.py

@@ -10,6 +10,7 @@ import logging
 from homeassistant.config import load_yaml_config_file
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.entity import Entity
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 from homeassistant.components import group
 from homeassistant.const import (
     SERVICE_MOVE_UP, SERVICE_MOVE_DOWN, SERVICE_STOP,

homeassistant/components/sensor/__init__.py

@@ -7,6 +7,7 @@ https://home-assistant.io/components/sensor/
 import logging
 
 from homeassistant.helpers.entity_component import EntityComponent
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 from homeassistant.components import (
     wink, zwave, isy994, verisure, ecobee, tellduslive, mysensors,
     bloomsky, vera)

homeassistant/components/switch/__init__.py

@@ -11,7 +11,7 @@ import os
 from homeassistant.config import load_yaml_config_file
 from homeassistant.helpers.entity_component import EntityComponent
 from homeassistant.helpers.entity import ToggleEntity
-
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 from homeassistant.const import (
     STATE_ON, SERVICE_TURN_ON, SERVICE_TURN_OFF, SERVICE_TOGGLE,
     ATTR_ENTITY_ID)

homeassistant/components/thermostat/__init__.py

@@ -13,6 +13,7 @@ from homeassistant.config import load_yaml_config_file
 import homeassistant.util as util
 from homeassistant.helpers.entity import Entity
 from homeassistant.helpers.temperature import convert
+from homeassistant.helpers.config_validation import PLATFORM_SCHEMA  # noqa
 from homeassistant.components import ecobee
 from homeassistant.const import (
     ATTR_ENTITY_ID, ATTR_TEMPERATURE, STATE_ON, STATE_OFF, STATE_UNKNOWN,

homeassistant/config.py

@@ -1,13 +1,18 @@
 """Module to help with parsing and generating configuration files."""
 import logging
 import os
+from types import MappingProxyType
+
+import voluptuous as vol
 
 import homeassistant.util.location as loc_util
 from homeassistant.const import (
     CONF_LATITUDE, CONF_LONGITUDE, CONF_NAME, CONF_TEMPERATURE_UNIT,
-    CONF_TIME_ZONE)
+    CONF_TIME_ZONE, CONF_CUSTOMIZE)
 from homeassistant.exceptions import HomeAssistantError
 from homeassistant.util.yaml import load_yaml
+import homeassistant.helpers.config_validation as cv
+from homeassistant.helpers.entity import valid_entity_id
 
 _LOGGER = logging.getLogger(__name__)
 
@@ -37,6 +42,31 @@ DEFAULT_COMPONENTS = {
 }
 
 
+def _valid_customize(value):
+    """Config validator for customize."""
+    if not isinstance(value, dict):
+        raise vol.Invalid('Expected dictionary')
+
+    for key, val in value.items():
+        if not valid_entity_id(key):
+            raise vol.Invalid('Invalid entity ID: {}'.format(key))
+
+        if not isinstance(val, dict):
+            raise vol.Invalid('Value of {} is not a dictionary'.format(key))
+
+    return value
+
+CORE_CONFIG_SCHEMA = vol.Schema({
+    CONF_NAME: vol.Coerce(str),
+    CONF_LATITUDE: cv.latitude,
+    CONF_LONGITUDE: cv.longitude,
+    CONF_TEMPERATURE_UNIT: cv.temperature_unit,
+    CONF_TIME_ZONE: cv.time_zone,
+    vol.Required(CONF_CUSTOMIZE,
+                 default=MappingProxyType({})): _valid_customize,
+})
+
+
 def get_default_config_dir():
     """Put together the default configuration directory based on OS."""
     data_dir = os.getenv('APPDATA') if os.name == "nt" \

homeassistant/helpers/__init__.py

@@ -29,30 +29,18 @@ def validate_config(config, items, logger):
     return not errors_found
 
 
-def config_per_platform(config, domain, logger):
+def config_per_platform(config, domain):
     """Generator to break a component config into different platforms.
 
     For example, will find 'switch', 'switch 2', 'switch 3', .. etc
     """
-    config_key = domain
-    found = 1
-
     for config_key in extract_domain_configs(config, domain):
         platform_config = config[config_key]
         if not isinstance(platform_config, list):
             platform_config = [platform_config]
 
         for item in platform_config:
-            platform_type = item.get(CONF_PLATFORM)
-
-            if platform_type is None:
-                logger.warning('No platform specified for %s', config_key)
-                continue
-
-            yield platform_type, item
-
-        found += 1
-        config_key = "{} {}".format(domain, found)
+            yield item.get(CONF_PLATFORM), item
 
 
 def extract_domain_configs(config, domain):

homeassistant/helpers/config_validation.py

@@ -0,0 +1,65 @@
+"""Helpers for config validation using voluptuous."""
+import voluptuous as vol
+
+from homeassistant.const import (
+    CONF_PLATFORM, TEMP_CELCIUS, TEMP_FAHRENHEIT)
+from homeassistant.helpers.entity import valid_entity_id
+import homeassistant.util.dt as dt_util
+
+# pylint: disable=invalid-name
+
+PLATFORM_SCHEMA = vol.Schema({
+    vol.Required(CONF_PLATFORM): str,
+}, extra=vol.ALLOW_EXTRA)
+
+latitude = vol.All(vol.Coerce(float), vol.Range(min=-90, max=90))
+longitude = vol.All(vol.Coerce(float), vol.Range(min=-180, max=180))
+
+
+def entity_id(value):
+    """Validate Entity ID."""
+    if valid_entity_id(value):
+        return value
+    raise vol.Invalid('Entity ID {} does not match format <domain>.<object_id>'
+                      .format(value))
+
+
+def entity_ids(value):
+    """Validate Entity IDs."""
+    if isinstance(value, str):
+        value = [ent_id.strip() for ent_id in value.split(',')]
+
+    for ent_id in value:
+        entity_id(ent_id)
+
+    return value
+
+
+def icon(value):
+    """Validate icon."""
+    value = str(value)
+
+    if value.startswith('mdi:'):
+        return value
+
+    raise vol.Invalid('Icons should start with prefix "mdi:"')
+
+
+def temperature_unit(value):
+    """Validate and transform temperature unit."""
+    if isinstance(value, str):
+        value = value.upper()
+        if value == 'C':
+            return TEMP_CELCIUS
+        elif value == 'F':
+            return TEMP_FAHRENHEIT
+    raise vol.Invalid('Invalid temperature unit. Expected: C or F')
+
+
+def time_zone(value):
+    """Validate timezone."""
+    if dt_util.get_time_zone(value) is not None:
+        return value
+    raise vol.Invalid(
+        'Invalid time zone passed in. Valid options can be found here: '
+        'http://en.wikipedia.org/wiki/List_of_tz_database_time_zones')

homeassistant/helpers/entity_component.py

@@ -49,9 +49,7 @@ class EntityComponent(object):
         self.config = config
 
         # Look in config for Domain, Domain 2, Domain 3 etc and load them
-        for p_type, p_config in \
-                config_per_platform(config, self.domain, self.logger):
-
+        for p_type, p_config in config_per_platform(config, self.domain):
             self._setup_platform(p_type, p_config)
 
         if self.discovery_platforms:

requirements_all.txt

@@ -5,6 +5,7 @@ pytz>=2015.4
 pip>=7.0.0
 vincenty==0.1.3
 jinja2>=2.8
+voluptuous==0.8.9
 
 # homeassistant.components.isy994
 PyISY==1.0.5

setup.py

@@ -17,6 +17,7 @@ REQUIRES = [
     'pip>=7.0.0',
     'vincenty==0.1.3',
     'jinja2>=2.8',
+    'voluptuous==0.8.9',
 ]
 
 setup(

tests/components/test_group.py

@@ -2,6 +2,7 @@
 # pylint: disable=protected-access,too-many-public-methods
 import unittest
 
+from homeassistant.bootstrap import _setup_component
 from homeassistant.const import (
     STATE_ON, STATE_OFF, STATE_HOME, STATE_UNKNOWN, ATTR_ICON, ATTR_HIDDEN,
     ATTR_ASSUMED_STATE, )
@@ -218,19 +219,15 @@ class TestComponentsGroup(unittest.TestCase):
         test_group = group.Group(
             self.hass, 'init_group', ['light.Bowl', 'light.Ceiling'], False)
 
-        self.assertTrue(
-            group.setup(
-                self.hass,
-                {
-                    group.DOMAIN: {
-                        'second_group': {
-                            'entities': 'light.Bowl, ' + test_group.entity_id,
-                            'icon': 'mdi:work',
-                            'view': True,
-                        },
-                        'test_group': 'hello.world,sensor.happy',
-                    }
-                }))
+        _setup_component(self.hass, 'group', {'group': {
+                    'second_group': {
+                        'entities': 'light.Bowl, ' + test_group.entity_id,
+                        'icon': 'mdi:work',
+                        'view': True,
+                    },
+                    'test_group': 'hello.world,sensor.happy',
+                }
+            })
 
         group_state = self.hass.states.get(
             group.ENTITY_ID_FORMAT.format('second_group'))

tests/helpers/test_config_validation.py

@@ -0,0 +1,114 @@
+import pytest
+import voluptuous as vol
+
+import homeassistant.helpers.config_validation as cv
+
+
+def test_latitude():
+    """Test latitude validation."""
+    schema = vol.Schema(cv.latitude)
+
+    for value in ('invalid', None, -91, 91, '-91', '91', '123.01A'):
+        with pytest.raises(vol.MultipleInvalid):
+            schema(value)
+
+    for value in ('-89', 89, '12.34'):
+        schema(value)
+
+
+def test_longitude():
+    """Test longitude validation."""
+    schema = vol.Schema(cv.longitude)
+
+    for value in ('invalid', None, -181, 181, '-181', '181', '123.01A'):
+        with pytest.raises(vol.MultipleInvalid):
+            schema(value)
+
+    for value in ('-179', 179, '12.34'):
+        schema(value)
+
+
+def test_icon():
+    """Test icon validation."""
+    schema = vol.Schema(cv.icon)
+
+    for value in (False, 'work', 'icon:work'):
+        with pytest.raises(vol.MultipleInvalid):
+            schema(value)
+
+    schema('mdi:work')
+
+
+def test_platform_config():
+    """Test platform config validation."""
+    for value in (
+        {'platform': 1},
+        {},
+        {'hello': 'world'},
+    ):
+        with pytest.raises(vol.MultipleInvalid):
+            cv.PLATFORM_SCHEMA(value)
+
+    for value in (
+        {'platform': 'mqtt'},
+        {'platform': 'mqtt', 'beer': 'yes'},
+    ):
+        cv.PLATFORM_SCHEMA(value)
+
+
+def test_entity_id():
+    """Test entity ID validation."""
+    schema = vol.Schema(cv.entity_id)
+
+    with pytest.raises(vol.MultipleInvalid):
+        schema('invalid_entity')
+
+    schema('sensor.light')
+
+
+def test_entity_ids():
+    """Test entity ID validation."""
+    schema = vol.Schema(cv.entity_ids)
+
+    for value in (
+        'invalid_entity',
+        'sensor.light,sensor_invalid',
+        ['invalid_entity'],
+        ['sensor.light', 'sensor_invalid'],
+        ['sensor.light,sensor_invalid'],
+    ):
+        with pytest.raises(vol.MultipleInvalid):
+            schema(value)
+
+    for value in (
+        [],
+        ['sensor.light'],
+        'sensor.light'
+    ):
+        schema(value)
+
+    assert schema('sensor.light, light.kitchen ') == [
+        'sensor.light', 'light.kitchen'
+    ]
+
+
+def test_temperature_unit():
+    """Test temperature unit validation."""
+    schema = vol.Schema(cv.temperature_unit)
+
+    with pytest.raises(vol.MultipleInvalid):
+        schema('K')
+
+    schema('C')
+    schema('F')
+
+
+def test_time_zone():
+    """Test time zone validation."""
+    schema = vol.Schema(cv.time_zone)
+
+    with pytest.raises(vol.MultipleInvalid):
+        schema('America/Do_Not_Exist')
+
+    schema('America/Los_Angeles')
+    schema('UTC')

tests/test_config.py

@@ -4,6 +4,9 @@ import unittest
 import unittest.mock as mock
 import os
 
+import pytest
+from voluptuous import MultipleInvalid
+
 from homeassistant.core import DOMAIN, HomeAssistantError
 import homeassistant.config as config_util
 from homeassistant.const import (
@@ -138,3 +141,28 @@ class TestConfig(unittest.TestCase):
             config_util.create_default_config(
                 os.path.join(CONFIG_DIR, 'non_existing_dir/'), False))
         self.assertTrue(mock_print.called)
+
+    def test_core_config_schema(self):
+        for value in (
+            {'temperature_unit': 'K'},
+            {'time_zone': 'non-exist'},
+            {'latitude': '91'},
+            {'longitude': -181},
+            {'customize': 'bla'},
+            {'customize': {'invalid_entity_id': {}}},
+            {'customize': {'light.sensor': 100}},
+        ):
+            with pytest.raises(MultipleInvalid):
+                config_util.CORE_CONFIG_SCHEMA(value)
+
+        config_util.CORE_CONFIG_SCHEMA({
+            'name': 'Test name',
+            'latitude': '-23.45',
+            'longitude': '123.45',
+            'temperature_unit': 'c',
+            'customize': {
+                'sensor.temperature': {
+                    'hidden': True,
+                },
+            },
+        })