git.basschouten.com Git - openhab-addons.git/blob

   1 /**
   2  * Copyright (c) 2010-2021 Contributors to the openHAB project
   3  *
   4  * See the NOTICE file(s) distributed with this work for additional
   5  * information.
   6  *
   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
  10  *
  11  * SPDX-License-Identifier: EPL-2.0
  12  */
  13 package org.openhab.binding.mqtt;
  14
  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.*;
  19 import static org.mockito.Mockito.*;
  20
  21 import java.nio.charset.StandardCharsets;
  22 import java.util.ArrayList;
  23 import java.util.Collections;
  24 import java.util.List;
  25 import java.util.concurrent.CompletableFuture;
  26 import java.util.concurrent.CountDownLatch;
  27 import java.util.concurrent.ExecutionException;
  28 import java.util.concurrent.ScheduledExecutorService;
  29 import java.util.concurrent.ScheduledThreadPoolExecutor;
  30 import java.util.concurrent.TimeUnit;
  31 import java.util.concurrent.TimeoutException;
  32
  33 import org.eclipse.jdt.annotation.NonNullByDefault;
  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.invocation.InvocationOnMock;
  40 import org.mockito.junit.jupiter.MockitoExtension;
  41 import org.mockito.junit.jupiter.MockitoSettings;
  42 import org.mockito.quality.Strictness;
  43 import org.openhab.binding.mqtt.generic.ChannelState;
  44 import org.openhab.binding.mqtt.generic.tools.ChildMap;
  45 import org.openhab.binding.mqtt.generic.tools.WaitForTopicValue;
  46 import org.openhab.binding.mqtt.homie.internal.handler.HomieThingHandler;
  47 import org.openhab.binding.mqtt.homie.internal.homie300.Device;
  48 import org.openhab.binding.mqtt.homie.internal.homie300.DeviceAttributes;
  49 import org.openhab.binding.mqtt.homie.internal.homie300.DeviceAttributes.ReadyState;
  50 import org.openhab.binding.mqtt.homie.internal.homie300.DeviceCallback;
  51 import org.openhab.binding.mqtt.homie.internal.homie300.Node;
  52 import org.openhab.binding.mqtt.homie.internal.homie300.NodeAttributes;
  53 import org.openhab.binding.mqtt.homie.internal.homie300.Property;
  54 import org.openhab.binding.mqtt.homie.internal.homie300.PropertyAttributes;
  55 import org.openhab.binding.mqtt.homie.internal.homie300.PropertyAttributes.DataTypeEnum;
  56 import org.openhab.binding.mqtt.homie.internal.homie300.PropertyHelper;
  57 import org.openhab.core.io.transport.mqtt.MqttBrokerConnection;
  58 import org.openhab.core.io.transport.mqtt.MqttConnectionObserver;
  59 import org.openhab.core.io.transport.mqtt.MqttConnectionState;
  60 import org.openhab.core.io.transport.mqtt.MqttService;
  61 import org.openhab.core.library.types.DecimalType;
  62 import org.openhab.core.library.types.OnOffType;
  63 import org.openhab.core.test.java.JavaOSGiTest;
  64 import org.openhab.core.types.UnDefType;
  65 import org.osgi.service.cm.ConfigurationAdmin;
  66
  67 /**
  68  * A full implementation test, that starts the embedded MQTT broker and publishes a homie device tree.
  69  *
  70  * @author David Graeff - Initial contribution
  71  */
  72 @ExtendWith(MockitoExtension.class)
  73 @MockitoSettings(strictness = Strictness.WARN)
  74 @NonNullByDefault
  75 public class HomieImplementationTest extends JavaOSGiTest {
  76     private static final String BASE_TOPIC = "homie";
  77     private static final String DEVICE_ID = ThingChannelConstants.testHomieThing.getId();
  78     private static final String DEVICE_TOPIC = BASE_TOPIC + "/" + DEVICE_ID;
  79
  80     private @NonNullByDefault({}) ConfigurationAdmin configurationAdmin;
  81     private @NonNullByDefault({}) MqttService mqttService;
  82     private @NonNullByDefault({}) MqttBrokerConnection embeddedConnection;
  83     private @NonNullByDefault({}) MqttBrokerConnection connection;
  84     private int registeredTopics = 100;
  85
  86     // The handler is not tested here, so just mock the callback
  87     private @Mock @NonNullByDefault({}) DeviceCallback callback;
  88
  89     // A handler mock is required to verify that channel value changes have been received
  90     private @Mock @NonNullByDefault({}) HomieThingHandler handler;
  91
  92     private @NonNullByDefault({}) ScheduledExecutorService scheduler;
  93
  94     /**
  95      * Create an observer that fails the test as soon as the broker client connection changes its connection state
  96      * to something else then CONNECTED.
  97      */
  98     private MqttConnectionObserver failIfChange = (state, error) -> assertThat(state,
  99             is(MqttConnectionState.CONNECTED));
 100
 101     private String propertyTestTopic = "";
 102
 103     @BeforeEach
 104     public void beforeEach() throws Exception {
 105         registerVolatileStorageService();
 106         configurationAdmin = getService(ConfigurationAdmin.class);
 107         mqttService = getService(MqttService.class);
 108
 109         // Wait for the EmbeddedBrokerService internal connection to be connected
 110         embeddedConnection = new EmbeddedBrokerTools(configurationAdmin, mqttService).waitForConnection();
 111         embeddedConnection.setQos(1);
 112
 113         connection = new MqttBrokerConnection(embeddedConnection.getHost(), embeddedConnection.getPort(),
 114                 embeddedConnection.isSecure(), "homie");
 115         connection.setQos(1);
 116         connection.start().get(5, TimeUnit.SECONDS);
 117         assertThat(connection.connectionState(), is(MqttConnectionState.CONNECTED));
 118         // If the connection state changes in between -> fail
 119         connection.addConnectionObserver(failIfChange);
 120
 121         List<CompletableFuture<Boolean>> futures = new ArrayList<>();
 122         futures.add(publish(DEVICE_TOPIC + "/$homie", "3.0"));
 123         futures.add(publish(DEVICE_TOPIC + "/$name", "Name"));
 124         futures.add(publish(DEVICE_TOPIC + "/$state", "ready"));
 125         futures.add(publish(DEVICE_TOPIC + "/$nodes", "testnode"));
 126
 127         // Add homie node topics
 128         final String testNode = DEVICE_TOPIC + "/testnode";
 129         futures.add(publish(testNode + "/$name", "Testnode"));
 130         futures.add(publish(testNode + "/$type", "Type"));
 131         futures.add(publish(testNode + "/$properties", "temperature,doorbell,testRetain"));
 132
 133         // Add homie property topics
 134         final String property = testNode + "/temperature";
 135         futures.add(publish(property, "10"));
 136         futures.add(publish(property + "/$name", "Testprop"));
 137         futures.add(publish(property + "/$settable", "true"));
 138         futures.add(publish(property + "/$unit", "°C"));
 139         futures.add(publish(property + "/$datatype", "float"));
 140         futures.add(publish(property + "/$format", "-100:100"));
 141
 142         final String propertyBellTopic = testNode + "/doorbell";
 143         futures.add(publish(propertyBellTopic + "/$name", "Doorbell"));
 144         futures.add(publish(propertyBellTopic + "/$settable", "false"));
 145         futures.add(publish(propertyBellTopic + "/$retained", "false"));
 146         futures.add(publish(propertyBellTopic + "/$datatype", "boolean"));
 147
 148         this.propertyTestTopic = testNode + "/testRetain";
 149         futures.add(publish(propertyTestTopic + "/$name", "Test"));
 150         futures.add(publish(propertyTestTopic + "/$settable", "true"));
 151         futures.add(publish(propertyTestTopic + "/$retained", "false"));
 152         futures.add(publish(propertyTestTopic + "/$datatype", "boolean"));
 153
 154         registeredTopics = futures.size();
 155         CompletableFuture.allOf(futures.toArray(new CompletableFuture[0])).get(2, TimeUnit.SECONDS);
 156
 157         scheduler = new ScheduledThreadPoolExecutor(6);
 158     }
 159
 160     private CompletableFuture<Boolean> publish(String topic, String message) {
 161         return embeddedConnection.publish(topic, message.getBytes(StandardCharsets.UTF_8), 0, true);
 162     }
 163
 164     @AfterEach
 165     public void afterEach() throws Exception {
 166         if (connection != null) {
 167             connection.removeConnectionObserver(failIfChange);
 168             connection.stop().get(2, TimeUnit.SECONDS);
 169         }
 170         if (scheduler != null) {
 171             scheduler.shutdownNow();
 172         }
 173     }
 174
 175     @Test
 176     public void retrieveAllTopics() throws InterruptedException, ExecutionException, TimeoutException {
 177         // four topics are not under /testnode !
 178         CountDownLatch c = new CountDownLatch(registeredTopics - 4);
 179         connection.subscribe(DEVICE_TOPIC + "/testnode/#", (topic, payload) -> c.countDown()).get(5, TimeUnit.SECONDS);
 180         assertTrue(c.await(5, TimeUnit.SECONDS),
 181                 "Connection " + connection.getClientId() + " not retrieving all topics ");
 182     }
 183
 184     @Test
 185     public void retrieveOneAttribute() throws InterruptedException, ExecutionException {
 186         WaitForTopicValue watcher = new WaitForTopicValue(connection, DEVICE_TOPIC + "/$homie");
 187         assertThat(watcher.waitForTopicValue(1000), is("3.0"));
 188     }
 189
 190     @SuppressWarnings("null")
 191     @Test
 192     public void retrieveAttributes() throws InterruptedException, ExecutionException {
 193         assertThat(connection.hasSubscribers(), is(false));
 194
 195         Node node = new Node(DEVICE_TOPIC, "testnode", ThingChannelConstants.testHomieThing, callback,
 196                 new NodeAttributes());
 197         Property property = spy(
 198                 new Property(DEVICE_TOPIC + "/testnode", node, "temperature", callback, new PropertyAttributes()));
 199
 200         // Create a scheduler
 201         ScheduledExecutorService scheduler = new ScheduledThreadPoolExecutor(4);
 202
 203         property.subscribe(connection, scheduler, 500).get();
 204
 205         assertThat(property.attributes.settable, is(true));
 206         assertThat(property.attributes.retained, is(true));
 207         assertThat(property.attributes.name, is("Testprop"));
 208         assertThat(property.attributes.unit, is("°C"));
 209         assertThat(property.attributes.datatype, is(DataTypeEnum.float_));
 210         waitForAssert(() -> assertThat(property.attributes.format, is("-100:100")));
 211         verify(property, timeout(500).atLeastOnce()).attributesReceived();
 212
 213         // Receive property value
 214         ChannelState channelState = spy(property.getChannelState());
 215         PropertyHelper.setChannelState(property, channelState);
 216
 217         property.startChannel(connection, scheduler, 500).get();
 218         verify(channelState).start(any(), any(), anyInt());
 219         verify(channelState, timeout(500)).processMessage(any(), any());
 220         verify(callback).updateChannelState(any(), any());
 221
 222         assertThat(property.getChannelState().getCache().getChannelState(), is(new DecimalType(10)));
 223
 224         property.stop().get();
 225         assertThat(connection.hasSubscribers(), is(false));
 226     }
 227
 228     // Inject a spy'ed property
 229     public Property createSpyProperty(InvocationOnMock invocation) {
 230         final Node node = (Node) invocation.getMock();
 231         final String id = (String) invocation.getArguments()[0];
 232         return spy(node.createProperty(id, spy(new PropertyAttributes())));
 233     }
 234
 235     // Inject a spy'ed node
 236     public Node createSpyNode(InvocationOnMock invocation) {
 237         final Device device = (Device) invocation.getMock();
 238         final String id = (String) invocation.getArguments()[0];
 239         // Create the node
 240         Node node = spy(device.createNode(id, spy(new NodeAttributes())));
 241         // Intercept creating a property in the next call and inject a spy'ed property.
 242         doAnswer(this::createSpyProperty).when(node).createProperty(any());
 243         return node;
 244     }
 245
 246     @SuppressWarnings("null")
 247     @Test
 248     public void parseHomieTree() throws InterruptedException, ExecutionException, TimeoutException {
 249         // Create a Homie Device object. Because spied Nodes are required for call verification,
 250         // the full Device constructor need to be used and a ChildMap object need to be created manually.
 251         ChildMap<Node> nodeMap = new ChildMap<>();
 252         Device device = spy(
 253                 new Device(ThingChannelConstants.testHomieThing, callback, new DeviceAttributes(), nodeMap));
 254
 255         // Intercept creating a node in initialize()->start() and inject a spy'ed node.
 256         doAnswer(this::createSpyNode).when(device).createNode(any());
 257
 258         // initialize the device, subscribe and wait.
 259         device.initialize(BASE_TOPIC, DEVICE_ID, Collections.emptyList());
 260         device.subscribe(connection, scheduler, 1500).get();
 261
 262         assertThat(device.isInitialized(), is(true));
 263
 264         // Check device attributes
 265         assertThat(device.attributes.homie, is("3.0"));
 266         assertThat(device.attributes.name, is("Name"));
 267         assertThat(device.attributes.state, is(ReadyState.ready));
 268         assertThat(device.attributes.nodes.length, is(1));
 269         verify(device, times(4)).attributeChanged(any(), any(), any(), any(), anyBoolean());
 270         verify(callback).readyStateChanged(eq(ReadyState.ready));
 271         verify(device).attributesReceived(any(), any(), anyInt());
 272
 273         // Expect 1 node
 274         assertThat(device.nodes.size(), is(1));
 275
 276         // Check node and node attributes
 277         Node node = device.nodes.get("testnode");
 278         verify(node).subscribe(any(), any(), anyInt());
 279         verify(node).attributesReceived(any(), any(), anyInt());
 280         verify(node.attributes).subscribeAndReceive(any(), any(), anyString(), any(), anyInt());
 281         assertThat(node.attributes.type, is("Type"));
 282         assertThat(node.attributes.name, is("Testnode"));
 283
 284         // Expect 2 property
 285         assertThat(node.properties.size(), is(3));
 286
 287         // Check property and property attributes
 288         Property property = node.properties.get("temperature");
 289         assertThat(property.attributes.settable, is(true));
 290         assertThat(property.attributes.retained, is(true));
 291         assertThat(property.attributes.name, is("Testprop"));
 292         assertThat(property.attributes.unit, is("°C"));
 293         assertThat(property.attributes.datatype, is(DataTypeEnum.float_));
 294         assertThat(property.attributes.format, is("-100:100"));
 295         verify(property).attributesReceived();
 296         assertNotNull(property.getChannelState());
 297         assertThat(property.getType().getState().getMinimum().intValue(), is(-100));
 298         assertThat(property.getType().getState().getMaximum().intValue(), is(100));
 299
 300         // Check property and property attributes
 301         Property propertyBell = node.properties.get("doorbell");
 302         verify(propertyBell).attributesReceived();
 303         assertThat(propertyBell.attributes.settable, is(false));
 304         assertThat(propertyBell.attributes.retained, is(false));
 305         assertThat(propertyBell.attributes.name, is("Doorbell"));
 306         assertThat(propertyBell.attributes.datatype, is(DataTypeEnum.boolean_));
 307
 308         // The device->node->property tree is ready. Now subscribe to property values.
 309         device.startChannels(connection, scheduler, 50, handler).get();
 310         assertThat(propertyBell.getChannelState().isStateful(), is(false));
 311         assertThat(propertyBell.getChannelState().getCache().getChannelState(), is(UnDefType.UNDEF));
 312         assertThat(property.getChannelState().getCache().getChannelState(), is(new DecimalType(10)));
 313
 314         property = node.properties.get("testRetain");
 315         WaitForTopicValue watcher = new WaitForTopicValue(embeddedConnection, propertyTestTopic + "/set");
 316         // Watch the topic. Publish a retain=false value to MQTT
 317         property.getChannelState().publishValue(OnOffType.OFF).get();
 318         assertThat(watcher.waitForTopicValue(1000), is("false"));
 319
 320         // Publish a retain=false value to MQTT.
 321         property.getChannelState().publishValue(OnOffType.ON).get();
 322         // No value is expected to be retained on this MQTT topic
 323         waitForAssert(() -> {
 324             WaitForTopicValue w = new WaitForTopicValue(embeddedConnection, propertyTestTopic + "/set");
 325             assertNull(w.waitForTopicValue(50));
 326         }, 500, 100);
 327     }
 328 }