Add script + extra config validators

* Add config validation and extra validators

* Address PR comments

tests/helpers/test_config_validation.py

@@ -28,21 +28,9 @@ def test_longitude():
         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'},
     ):
@@ -92,6 +80,103 @@ def test_entity_ids():
     ]
 
 
+def test_event_schema():
+    """Test event_schema validation."""
+    for value in (
+        {}, None,
+        {
+            'event_data': {},
+        },
+        {
+            'event': 'state_changed',
+            'event_data': 1,
+        },
+    ):
+        with pytest.raises(vol.MultipleInvalid):
+            cv.EVENT_SCHEMA(value)
+
+    for value in (
+        {'event': 'state_changed'},
+        {'event': 'state_changed', 'event_data': {'hello': 'world'}},
+    ):
+        cv.EVENT_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_service():
+    """Test service validation."""
+    schema = vol.Schema(cv.service)
+
+    with pytest.raises(vol.MultipleInvalid):
+        schema('invalid_turn_on')
+
+    schema('homeassistant.turn_on')
+
+
+def test_service_schema():
+    """Test service_schema validation."""
+    for value in (
+        {}, None,
+        {
+            'service': 'homeassistant.turn_on',
+            'service_template': 'homeassistant.turn_on'
+        },
+        {
+            'data': {'entity_id': 'light.kitchen'},
+        },
+        {
+            'service': 'homeassistant.turn_on',
+            'data': None
+        },
+        {
+            'service': 'homeassistant.turn_on',
+            'data_template': {
+                'brightness': '{{ no_end'
+            }
+        },
+    ):
+        with pytest.raises(vol.MultipleInvalid):
+            cv.SERVICE_SCHEMA(value)
+
+    for value in (
+        {'service': 'homeassistant.turn_on'},
+    ):
+        cv.SERVICE_SCHEMA(value)
+
+
+def test_slug():
+    """Test slug validation."""
+    schema = vol.Schema(cv.slug)
+
+    for value in (None, 'hello world'):
+        with pytest.raises(vol.MultipleInvalid):
+            schema(value)
+
+    for value in (12345, 'hello'):
+        schema(value)
+
+
+def test_string():
+    """Test string validation."""
+    schema = vol.Schema(cv.string)
+
+    with pytest.raises(vol.MultipleInvalid):
+        schema(None)
+
+    for value in (True, 1, 'hello'):
+        schema(value)
+
+
 def test_temperature_unit():
     """Test temperature unit validation."""
     schema = vol.Schema(cv.temperature_unit)
@@ -103,6 +188,24 @@ def test_temperature_unit():
     schema('F')
 
 
+def test_template():
+    """Test template validator."""
+    schema = vol.Schema(cv.template)
+
+    for value in (
+        None, '{{ partial_print }', '{% if True %}Hello'
+    ):
+        with pytest.raises(vol.MultipleInvalid):
+            schema(value)
+
+    for value in (
+        1, 'Hello',
+        '{{ beer }}',
+        '{% if 1 == 1 %}Hello{% else %}World{% endif %}',
+    ):
+        schema(value)
+
+
 def test_time_zone():
     """Test time zone validation."""
     schema = vol.Schema(cv.time_zone)
@@ -112,3 +215,37 @@ def test_time_zone():
 
     schema('America/Los_Angeles')
     schema('UTC')
+
+
+def test_dict_validator():
+    """Test DictValidator."""
+    schema = vol.Schema(cv.DictValidator(cv.entity_ids, cv.slug))
+
+    for value in (
+        None,
+        {'invalid slug': 'sensor.temp'},
+        {'hello world': 'invalid_entity'}
+    ):
+        with pytest.raises(vol.MultipleInvalid):
+            schema(value)
+
+    for value in (
+        {},
+        {'hello_world': 'sensor.temp'},
+    ):
+        schema(value)
+
+    assert schema({'hello_world': 'sensor.temp'}) == \
+        {'hello_world': ['sensor.temp']}
+
+
+def test_has_at_least_one_key():
+    """Test has_at_least_one_key validator."""
+    schema = vol.Schema(cv.has_at_least_one_key(['beer', 'soda']))
+
+    for value in (None, [], {}, {'wine': None}):
+        with pytest.raises(vol.MultipleInvalid):
+            schema(value)
+
+    for value in ({'beer': None}, {'soda': None}):
+        schema(value)