mqtt_statestream: Add options to publish attributes/timestamps (#9645)

tests/components/test_mqtt_statestream.py

@@ -1,5 +1,5 @@
 """The tests for the MQTT statestream component."""
-from unittest.mock import patch
+from unittest.mock import ANY, call, patch
 
 from homeassistant.setup import setup_component
 import homeassistant.components.mqtt_statestream as statestream
@@ -24,11 +24,17 @@ class TestMqttStateStream(object):
         """Stop everything that was started."""
         self.hass.stop()
 
-    def add_statestream(self, base_topic=None):
+    def add_statestream(self, base_topic=None, publish_attributes=None,
+                        publish_timestamps=None):
         """Add a mqtt_statestream component."""
         config = {}
         if base_topic:
             config['base_topic'] = base_topic
+        if publish_attributes:
+            config['publish_attributes'] = publish_attributes
+        if publish_timestamps:
+            config['publish_timestamps'] = publish_timestamps
+            print("Publishing timestamps")
         return setup_component(self.hass, statestream.DOMAIN, {
             statestream.DOMAIN: config})
 
@@ -36,10 +42,14 @@ class TestMqttStateStream(object):
         """Setup should fail if no base_topic is set."""
         assert self.add_statestream() is False
 
-    def test_setup_succeeds(self):
+    def test_setup_succeeds_without_attributes(self):
         """"Test the success of the setup with a valid base_topic."""
         assert self.add_statestream(base_topic='pub')
 
+    def test_setup_succeeds_with_attributes(self):
+        """"Test setup with a valid base_topic and publish_attributes."""
+        assert self.add_statestream(base_topic='pub', publish_attributes=True)
+
     @patch('homeassistant.components.mqtt.async_publish')
     @patch('homeassistant.core.dt_util.utcnow')
     def test_state_changed_event_sends_message(self, mock_utcnow, mock_pub):
@@ -60,6 +70,77 @@ class TestMqttStateStream(object):
         self.hass.block_till_done()
 
         # Make sure 'on' was published to pub/fake/entity/state
-        mock_pub.assert_called_with(self.hass, 'pub/fake/entity/state',
-                                    'on', 1, True)
+        mock_pub.assert_called_with(self.hass, 'pub/fake/entity/state', 'on',
+                                    1, True)
+        assert mock_pub.called
+
+    @patch('homeassistant.components.mqtt.async_publish')
+    @patch('homeassistant.core.dt_util.utcnow')
+    def test_state_changed_event_sends_message_and_timestamp(
+            self,
+            mock_utcnow,
+            mock_pub):
+        """"Test the sending of a message and timestamps if event changed."""
+        e_id = 'another.entity'
+        base_topic = 'pub'
+
+        # Add the statestream component for publishing state updates
+        assert self.add_statestream(base_topic=base_topic,
+                                    publish_attributes=None,
+                                    publish_timestamps=True)
+        self.hass.block_till_done()
+
+        # Reset the mock because it will have already gotten calls for the
+        # mqtt_statestream state change on initialization, etc.
+        mock_pub.reset_mock()
+
+        # Set a state of an entity
+        mock_state_change_event(self.hass, State(e_id, 'on'))
+        self.hass.block_till_done()
+
+        # Make sure 'on' was published to pub/fake/entity/state
+        calls = [
+            call.async_publish(self.hass, 'pub/another/entity/state', 'on', 1,
+                               True),
+            call.async_publish(self.hass, 'pub/another/entity/last_changed',
+                               ANY, 1, True),
+            call.async_publish(self.hass, 'pub/another/entity/last_updated',
+                               ANY, 1, True),
+        ]
+
+        mock_pub.assert_has_calls(calls, any_order=True)
+        assert mock_pub.called
+
+    @patch('homeassistant.components.mqtt.async_publish')
+    @patch('homeassistant.core.dt_util.utcnow')
+    def test_state_changed_attr_sends_message(self, mock_utcnow, mock_pub):
+        """"Test the sending of a new message if attribute changed."""
+        e_id = 'fake.entity'
+        base_topic = 'pub'
+
+        # Add the statestream component for publishing state updates
+        assert self.add_statestream(base_topic=base_topic,
+                                    publish_attributes=True)
+        self.hass.block_till_done()
+
+        # Reset the mock because it will have already gotten calls for the
+        # mqtt_statestream state change on initialization, etc.
+        mock_pub.reset_mock()
+
+        test_attributes = {"testing": "YES"}
+
+        # Set a state of an entity
+        mock_state_change_event(self.hass, State(e_id, 'off',
+                                                 attributes=test_attributes))
+        self.hass.block_till_done()
+
+        # Make sure 'on' was published to pub/fake/entity/state
+        calls = [
+            call.async_publish(self.hass, 'pub/fake/entity/state', 'off', 1,
+                               True),
+            call.async_publish(self.hass, 'pub/fake/entity/testing', 'YES',
+                               1, True)
+        ]
+
+        mock_pub.assert_has_calls(calls, any_order=True)
         assert mock_pub.called