Add tests for lock component

tests/components/lock/test_demo.py

@@ -0,0 +1,51 @@
+"""
+tests.components.lock.test_demo
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+Tests demo lock component.
+"""
+import unittest
+
+import homeassistant.core as ha
+from homeassistant.components import lock
+
+
+FRONT = 'lock.front_door'
+KITCHEN = 'lock.kitchen_door'
+
+
+class TestLockDemo(unittest.TestCase):
+    """ Test the demo lock. """
+
+    def setUp(self):  # pylint: disable=invalid-name
+        self.hass = ha.HomeAssistant()
+        self.assertTrue(lock.setup(self.hass, {
+            'lock': {
+                'platform': 'demo'
+            }
+        }))
+
+    def tearDown(self):  # pylint: disable=invalid-name
+        """ Stop down stuff we started. """
+        self.hass.stop()
+
+    def test_is_locked(self):
+        self.assertTrue(lock.is_locked(self.hass, FRONT))
+        self.hass.states.is_state(FRONT, 'locked')
+
+        self.assertFalse(lock.is_locked(self.hass, KITCHEN))
+        self.hass.states.is_state(KITCHEN, 'unlocked')
+
+    def test_locking(self):
+        lock.lock(self.hass, KITCHEN)
+
+        self.hass.pool.block_till_done()
+
+        self.assertTrue(lock.is_locked(self.hass, KITCHEN))
+
+    def test_unlocking(self):
+        lock.unlock(self.hass, FRONT)
+
+        self.hass.pool.block_till_done()
+
+        self.assertFalse(lock.is_locked(self.hass, FRONT))