Examples with DiscoverComponents org.eclipse.smarthome.binding.mqtt.generic.internal.convention.homeassistant.DiscoverComponents used on opensource projects

Example 1 with DiscoverComponents

use of org.eclipse.smarthome.binding.mqtt.generic.internal.convention.homeassistant.DiscoverComponents in project smarthome by eclipse.

the class HomeAssistantMQTTImplementationTests method parseHATree.

@Test
public void parseHATree() throws InterruptedException, ExecutionException, TimeoutException {
    MqttChannelTypeProvider channelTypeProvider = mock(MqttChannelTypeProvider.class);
    final Map<String, AbstractComponent> haComponents = new HashMap<String, AbstractComponent>();
    ScheduledExecutorService scheduler = new ScheduledThreadPoolExecutor(4);
    DiscoverComponents discover = spy(new DiscoverComponents(ThingChannelConstants.testHomeAssistantThing, scheduler, channelStateUpdateListener, new Gson()));
    // The DiscoverComponents object calls ComponentDiscovered callbacks.
    // In the following implementation we add the found component to the `haComponents` map
    // and add the types to the channelTypeProvider, like in the real Thing handler.
    final CountDownLatch latch = new CountDownLatch(1);
    ComponentDiscovered cd = (haID, c) -> {
        haComponents.put(haID.getChannelGroupID(), c);
        c.addChannelTypes(channelTypeProvider);
        channelTypeProvider.setChannelGroupType(c.groupTypeUID(), c.type());
        latch.countDown();
    };
    // Start the discovery for 100ms. Forced timeout after 300ms.
    HaID haID = new HaID(testObjectTopic);
    CompletableFuture<Void> future = discover.startDiscovery(connection, 100, haID, cd).thenRun(() -> {
    }).exceptionally(e -> {
        failure = e;
        return null;
    });
    assertTrue(latch.await(300, TimeUnit.MILLISECONDS));
    future.get(100, TimeUnit.MILLISECONDS);
    // No failure expected and one discoverd result
    assertNull(failure);
    assertThat(haComponents.size(), is(1));
    // For the switch component we should have one channel group type and one channel type
    verify(channelTypeProvider, times(1)).setChannelGroupType(any(), any());
    verify(channelTypeProvider, times(1)).setChannelType(any(), any());
    // We expect a switch component with an OnOff channel with the initial value UNDEF:
    State value = haComponents.get(haID.getChannelGroupID()).channelTypes().get(ComponentSwitch.switchChannelID).channelState.getCache().getChannelState();
    assertThat(value, is(UnDefType.UNDEF));
    haComponents.values().stream().map(e -> e.start(connection, scheduler, 100)).reduce(CompletableFuture.completedFuture(null), (a, v) -> a.thenCompose(b -> v)).exceptionally(e -> {
        failure = e;
        return null;
    }).get();
    // We should have received the retained value, while subscribing to the channels MQTT state topic.
    verify(channelStateUpdateListener, times(1)).updateChannelState(any(), any());
    // Value should be ON now.
    value = haComponents.get(haID.getChannelGroupID()).channelTypes().get(ComponentSwitch.switchChannelID).channelState.getCache().getChannelState();
    assertThat(value, is(OnOffType.ON));
}