2 * Copyright (c) 2010-2024 Contributors to the openHAB project
4 * See the NOTICE file(s) distributed with this work for additional
7 * This program and the accompanying materials are made available under the
8 * terms of the Eclipse Public License 2.0 which is available at
9 * http://www.eclipse.org/legal/epl-2.0
11 * SPDX-License-Identifier: EPL-2.0
13 package org.openhab.binding.mqtt.homeassistant;
15 import static org.hamcrest.CoreMatchers.is;
16 import static org.hamcrest.MatcherAssert.assertThat;
17 import static org.junit.jupiter.api.Assertions.*;
18 import static org.mockito.ArgumentMatchers.any;
19 import static org.mockito.Mockito.*;
21 import java.util.ArrayList;
22 import java.util.HashMap;
23 import java.util.List;
26 import java.util.concurrent.CompletableFuture;
27 import java.util.concurrent.CountDownLatch;
28 import java.util.concurrent.ScheduledExecutorService;
29 import java.util.concurrent.ScheduledThreadPoolExecutor;
30 import java.util.concurrent.TimeUnit;
32 import org.eclipse.jdt.annotation.NonNullByDefault;
33 import org.eclipse.jdt.annotation.Nullable;
34 import org.junit.jupiter.api.AfterEach;
35 import org.junit.jupiter.api.BeforeEach;
36 import org.junit.jupiter.api.Test;
37 import org.junit.jupiter.api.extension.ExtendWith;
38 import org.mockito.Mock;
39 import org.mockito.junit.jupiter.MockitoExtension;
40 import org.mockito.junit.jupiter.MockitoSettings;
41 import org.mockito.quality.Strictness;
42 import org.openhab.binding.mqtt.generic.AvailabilityTracker;
43 import org.openhab.binding.mqtt.generic.ChannelStateUpdateListener;
44 import org.openhab.binding.mqtt.generic.MqttChannelTypeProvider;
45 import org.openhab.binding.mqtt.generic.TransformationServiceProvider;
46 import org.openhab.binding.mqtt.homeassistant.internal.DiscoverComponents;
47 import org.openhab.binding.mqtt.homeassistant.internal.DiscoverComponents.ComponentDiscovered;
48 import org.openhab.binding.mqtt.homeassistant.internal.HaID;
49 import org.openhab.binding.mqtt.homeassistant.internal.component.AbstractComponent;
50 import org.openhab.binding.mqtt.homeassistant.internal.component.Switch;
51 import org.openhab.binding.mqtt.homeassistant.internal.config.ChannelConfigurationTypeAdapterFactory;
52 import org.openhab.core.io.transport.mqtt.MqttBrokerConnection;
53 import org.openhab.core.io.transport.mqtt.MqttConnectionObserver;
54 import org.openhab.core.io.transport.mqtt.MqttConnectionState;
55 import org.openhab.core.library.types.OnOffType;
56 import org.openhab.core.types.State;
57 import org.openhab.core.types.UnDefType;
59 import com.google.gson.Gson;
60 import com.google.gson.GsonBuilder;
63 * A full implementation test, that starts the embedded MQTT broker and publishes a homeassistant MQTT discovery device
66 * @author David Graeff - Initial contribution
68 @ExtendWith(MockitoExtension.class)
69 @MockitoSettings(strictness = Strictness.LENIENT)
71 public class HomeAssistantMQTTImplementationTest extends MqttOSGiTest {
73 private @NonNullByDefault({}) MqttBrokerConnection haConnection;
74 private int registeredTopics = 100;
75 private @Nullable Throwable failure;
77 private @Mock @NonNullByDefault({}) ChannelStateUpdateListener channelStateUpdateListener;
78 private @Mock @NonNullByDefault({}) AvailabilityTracker availabilityTracker;
79 private @Mock @NonNullByDefault({}) TransformationServiceProvider transformationServiceProvider;
82 * Create an observer that fails the test as soon as the broker client connection changes its connection state
83 * to something else then CONNECTED.
85 private final MqttConnectionObserver failIfChange = (state, error) -> assertThat(state,
86 is(MqttConnectionState.CONNECTED));
87 private final String testObjectTopic = "homeassistant/switch/node/"
88 + ThingChannelConstants.TEST_HOME_ASSISTANT_THING.getId();
92 public void beforeEach() throws Exception {
95 haConnection = createBrokerConnection("ha_mqtt");
97 // If the connection state changes in between -> fail
98 haConnection.addConnectionObserver(failIfChange);
100 // Create topic string and config for one example HA component (a Switch)
101 final String config = "{'name':'testname','state_topic':'" + testObjectTopic + "/state','command_topic':'"
102 + testObjectTopic + "/set'}";
104 // Publish component configurations and component states to MQTT
105 List<CompletableFuture<Boolean>> futures = new ArrayList<>();
106 futures.add(publish(testObjectTopic + "/config", config));
107 futures.add(publish(testObjectTopic + "/state", "ON"));
109 registeredTopics = futures.size();
110 CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).get(2, TimeUnit.SECONDS);
114 doReturn(null).when(transformationServiceProvider).getTransformationService(any());
119 public void afterEach() throws Exception {
120 if (haConnection != null) {
121 haConnection.removeConnectionObserver(failIfChange);
122 haConnection.stop().get(5, TimeUnit.SECONDS);
129 public void reconnectTest() throws Exception {
130 haConnection.removeConnectionObserver(failIfChange);
131 haConnection.stop().get(5, TimeUnit.SECONDS);
132 haConnection = createBrokerConnection("ha_mqtt");
136 public void retrieveAllTopics() throws Exception {
137 CountDownLatch c = new CountDownLatch(registeredTopics);
138 haConnection.subscribe("homeassistant/+/+/" + ThingChannelConstants.TEST_HOME_ASSISTANT_THING.getId() + "/#",
139 (topic, payload) -> c.countDown()).get(5, TimeUnit.SECONDS);
140 assertTrue(c.await(2, TimeUnit.SECONDS),
141 "Connection " + haConnection.getClientId() + " not retrieving all topics");
145 public void parseHATree() throws Exception {
146 MqttChannelTypeProvider channelTypeProvider = mock(MqttChannelTypeProvider.class);
148 final Map<String, AbstractComponent<?>> haComponents = new HashMap<>();
149 Gson gson = new GsonBuilder().registerTypeAdapterFactory(new ChannelConfigurationTypeAdapterFactory()).create();
151 ScheduledExecutorService scheduler = new ScheduledThreadPoolExecutor(4);
152 DiscoverComponents discover = spy(new DiscoverComponents(ThingChannelConstants.TEST_HOME_ASSISTANT_THING,
153 scheduler, channelStateUpdateListener, availabilityTracker, gson, transformationServiceProvider, true));
155 // The DiscoverComponents object calls ComponentDiscovered callbacks.
156 // In the following implementation we add the found component to the `haComponents` map
157 // and add the types to the channelTypeProvider, like in the real Thing handler.
158 final CountDownLatch latch = new CountDownLatch(1);
159 ComponentDiscovered cd = (haID, c) -> {
160 haComponents.put(c.getGroupId(), c);
164 // Start the discovery for 2000ms. Forced timeout after 4000ms.
165 HaID haID = new HaID(testObjectTopic + "/config");
166 CompletableFuture<Void> future = discover.startDiscovery(haConnection, 2000, Set.of(haID), cd).thenRun(() -> {
167 }).exceptionally(e -> {
172 assertTrue(latch.await(4, TimeUnit.SECONDS));
173 future.get(5, TimeUnit.SECONDS);
175 // No failure expected and one discovered result
177 assertThat(haComponents.size(), is(1));
179 String channelGroupId = "switch_" + ThingChannelConstants.TEST_HOME_ASSISTANT_THING.getId();
180 String channelId = Switch.SWITCH_CHANNEL_ID;
182 State value = haComponents.get(channelGroupId).getChannel(channelGroupId).getState().getCache()
184 assertThat(value, is(UnDefType.UNDEF));
186 haComponents.values().stream().map(e -> e.start(haConnection, scheduler, 100))
187 .reduce(CompletableFuture.completedFuture(null), (a, v) -> a.thenCompose(b -> v)).exceptionally(e -> {
192 // We should have received the retained value, while subscribing to the channels MQTT state topic.
193 verify(channelStateUpdateListener, timeout(4000).times(1)).updateChannelState(any(), any());
195 // Value should be ON now.
196 value = haComponents.get(channelGroupId).getChannel(channelGroupId).getState().getCache().getChannelState();
197 assertThat(value, is(OnOffType.ON));