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   1 /**
   2  * Copyright (c) 2010-2022 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.homeassistant.internal.component;
  14
  15 import static org.hamcrest.CoreMatchers.*;
  16 import static org.hamcrest.MatcherAssert.assertThat;
  17 import static org.mockito.ArgumentMatchers.*;
  18 import static org.mockito.ArgumentMatchers.any;
  19 import static org.mockito.Mockito.*;
  20
  21 import java.nio.charset.StandardCharsets;
  22 import java.util.List;
  23 import java.util.Objects;
  24 import java.util.Set;
  25 import java.util.concurrent.CountDownLatch;
  26 import java.util.concurrent.TimeUnit;
  27
  28 import org.eclipse.jdt.annotation.NonNull;
  29 import org.eclipse.jdt.annotation.NonNullByDefault;
  30 import org.eclipse.jdt.annotation.Nullable;
  31 import org.junit.jupiter.api.AfterEach;
  32 import org.junit.jupiter.api.BeforeEach;
  33 import org.mockito.ArgumentMatchers;
  34 import org.mockito.Mock;
  35 import org.openhab.binding.mqtt.generic.MqttChannelTypeProvider;
  36 import org.openhab.binding.mqtt.generic.TransformationServiceProvider;
  37 import org.openhab.binding.mqtt.generic.values.Value;
  38 import org.openhab.binding.mqtt.homeassistant.internal.AbstractHomeAssistantTests;
  39 import org.openhab.binding.mqtt.homeassistant.internal.ComponentChannel;
  40 import org.openhab.binding.mqtt.homeassistant.internal.HaID;
  41 import org.openhab.binding.mqtt.homeassistant.internal.HandlerConfiguration;
  42 import org.openhab.binding.mqtt.homeassistant.internal.config.dto.AbstractChannelConfiguration;
  43 import org.openhab.binding.mqtt.homeassistant.internal.handler.HomeAssistantThingHandler;
  44 import org.openhab.core.thing.Thing;
  45 import org.openhab.core.thing.ThingStatusInfo;
  46 import org.openhab.core.thing.binding.ThingHandlerCallback;
  47 import org.openhab.core.types.Command;
  48 import org.openhab.core.types.State;
  49
  50 /**
  51  * Abstract class for components tests.
  52  *
  53  * @author Anton Kharuzhy - Initial contribution
  54  */
  55 @NonNullByDefault
  56 public abstract class AbstractComponentTests extends AbstractHomeAssistantTests {
  57     private static final int SUBSCRIBE_TIMEOUT = 10000;
  58     private static final int ATTRIBUTE_RECEIVE_TIMEOUT = 2000;
  59
  60     private @Mock @NonNullByDefault({}) ThingHandlerCallback callbackMock;
  61     private @NonNullByDefault({}) LatchThingHandler thingHandler;
  62
  63     @BeforeEach
  64     public void setupThingHandler() {
  65         final var config = haThing.getConfiguration();
  66
  67         config.put(HandlerConfiguration.PROPERTY_BASETOPIC, HandlerConfiguration.DEFAULT_BASETOPIC);
  68         config.put(HandlerConfiguration.PROPERTY_TOPICS, getConfigTopics());
  69
  70         // Plumb thing status updates through
  71         doAnswer(invocation -> {
  72             ((Thing) invocation.getArgument(0)).setStatusInfo((ThingStatusInfo) invocation.getArgument(1));
  73             return null;
  74         }).when(callbackMock).statusUpdated(any(Thing.class), any(ThingStatusInfo.class));
  75
  76         when(callbackMock.getBridge(eq(BRIDGE_UID))).thenReturn(bridgeThing);
  77
  78         thingHandler = new LatchThingHandler(haThing, channelTypeProvider, transformationServiceProvider,
  79                 SUBSCRIBE_TIMEOUT, ATTRIBUTE_RECEIVE_TIMEOUT);
  80         thingHandler.setConnection(bridgeConnection);
  81         thingHandler.setCallback(callbackMock);
  82         thingHandler = spy(thingHandler);
  83
  84         thingHandler.initialize();
  85     }
  86
  87     @AfterEach
  88     public void disposeThingHandler() {
  89         thingHandler.dispose();
  90     }
  91
  92     /**
  93      * {@link org.openhab.binding.mqtt.homeassistant.internal.DiscoverComponents} will wait a config on specified
  94      * topics.
  95      * Topics in config must be without prefix and suffix, they can be converted to full with method
  96      * {@link #configTopicToMqtt(String)}
  97      *
  98      * @return config topics
  99      */
 100     protected abstract Set<String> getConfigTopics();
 101
 102     /**
 103      * Process payload to discover and configure component. Topic should be added to {@link #getConfigTopics()}
 104      *
 105      * @param mqttTopic mqtt topic with configuration
 106      * @param json configuration payload in Json
 107      * @return discovered component
 108      */
 109     protected AbstractComponent<@NonNull ? extends AbstractChannelConfiguration> discoverComponent(String mqttTopic,
 110             String json) {
 111         return discoverComponent(mqttTopic, json.getBytes(StandardCharsets.UTF_8));
 112     }
 113
 114     /**
 115      * Process payload to discover and configure component. Topic should be added to {@link #getConfigTopics()}
 116      *
 117      * @param mqttTopic mqtt topic with configuration
 118      * @param jsonPayload configuration payload in Json
 119      * @return discovered component
 120      */
 121     protected AbstractComponent<@NonNull ? extends AbstractChannelConfiguration> discoverComponent(String mqttTopic,
 122             byte[] jsonPayload) {
 123         var latch = thingHandler.createWaitForComponentDiscoveredLatch(1);
 124         assertThat(publishMessage(mqttTopic, jsonPayload), is(true));
 125         try {
 126             assert latch.await(1, TimeUnit.SECONDS);
 127         } catch (InterruptedException e) {
 128             assertThat(e.getMessage(), false);
 129         }
 130         return Objects.requireNonNull(thingHandler.getDiscoveredComponent());
 131     }
 132
 133     /**
 134      * Assert channel topics, label and value class
 135      *
 136      * @param component component
 137      * @param channelId channel
 138      * @param stateTopic state topic or empty string
 139      * @param commandTopic command topic or empty string
 140      * @param label label
 141      * @param valueClass value class
 142      */
 143     protected static void assertChannel(AbstractComponent<@NonNull ? extends AbstractChannelConfiguration> component,
 144             String channelId, String stateTopic, String commandTopic, String label, Class<? extends Value> valueClass) {
 145         var stateChannel = Objects.requireNonNull(component.getChannel(channelId));
 146         assertChannel(stateChannel, stateTopic, commandTopic, label, valueClass);
 147     }
 148
 149     /**
 150      * Assert channel topics, label and value class
 151      *
 152      * @param stateChannel channel
 153      * @param stateTopic state topic or empty string
 154      * @param commandTopic command topic or empty string
 155      * @param label label
 156      * @param valueClass value class
 157      */
 158     protected static void assertChannel(ComponentChannel stateChannel, String stateTopic, String commandTopic,
 159             String label, Class<? extends Value> valueClass) {
 160         assertThat(stateChannel.getChannel().getLabel(), is(label));
 161         assertThat(stateChannel.getState().getStateTopic(), is(stateTopic));
 162         assertThat(stateChannel.getState().getCommandTopic(), is(commandTopic));
 163         assertThat(stateChannel.getState().getCache(), is(instanceOf(valueClass)));
 164     }
 165
 166     /**
 167      * Assert channel state
 168      *
 169      * @param component component
 170      * @param channelId channel
 171      * @param state expected state
 172      */
 173     @SuppressWarnings("null")
 174     protected static void assertState(AbstractComponent<@NonNull ? extends AbstractChannelConfiguration> component,
 175             String channelId, State state) {
 176         assertThat(component.getChannel(channelId).getState().getCache().getChannelState(), is(state));
 177     }
 178
 179     /**
 180      * Assert that given payload was published exact-once on given topic.
 181      *
 182      * @param mqttTopic Mqtt topic
 183      * @param payload payload
 184      */
 185     protected void assertPublished(String mqttTopic, String payload) {
 186         verify(bridgeConnection).publish(eq(mqttTopic), ArgumentMatchers.eq(payload.getBytes(StandardCharsets.UTF_8)),
 187                 anyInt(), anyBoolean());
 188     }
 189
 190     /**
 191      * Assert that given payload was published N times on given topic.
 192      *
 193      * @param mqttTopic Mqtt topic
 194      * @param payload payload
 195      * @param t payload must be published N times on given topic
 196      */
 197     protected void assertPublished(String mqttTopic, String payload, int t) {
 198         verify(bridgeConnection, times(t)).publish(eq(mqttTopic),
 199                 ArgumentMatchers.eq(payload.getBytes(StandardCharsets.UTF_8)), anyInt(), anyBoolean());
 200     }
 201
 202     /**
 203      * Assert that given payload was not published on given topic.
 204      *
 205      * @param mqttTopic Mqtt topic
 206      * @param payload payload
 207      */
 208     protected void assertNotPublished(String mqttTopic, String payload) {
 209         verify(bridgeConnection, never()).publish(eq(mqttTopic),
 210                 ArgumentMatchers.eq(payload.getBytes(StandardCharsets.UTF_8)), anyInt(), anyBoolean());
 211     }
 212
 213     /**
 214      * Publish payload to all subscribers on specified topic.
 215      *
 216      * @param mqttTopic Mqtt topic
 217      * @param payload payload
 218      * @return true when at least one subscriber found
 219      */
 220     protected boolean publishMessage(String mqttTopic, String payload) {
 221         return publishMessage(mqttTopic, payload.getBytes(StandardCharsets.UTF_8));
 222     }
 223
 224     /**
 225      * Publish payload to all subscribers on specified topic.
 226      *
 227      * @param mqttTopic Mqtt topic
 228      * @param payload payload
 229      * @return true when at least one subscriber found
 230      */
 231     protected boolean publishMessage(String mqttTopic, byte[] payload) {
 232         final var topicSubscribers = subscriptions.get(mqttTopic);
 233
 234         if (topicSubscribers != null && !topicSubscribers.isEmpty()) {
 235             topicSubscribers.forEach(mqttMessageSubscriber -> mqttMessageSubscriber.processMessage(mqttTopic, payload));
 236             return true;
 237         }
 238         return false;
 239     }
 240
 241     /**
 242      * Send command to a thing's channel
 243      *
 244      * @param component component
 245      * @param channelId channel
 246      * @param command command to send
 247      */
 248     protected void sendCommand(AbstractComponent<@NonNull ? extends AbstractChannelConfiguration> component,
 249             String channelId, Command command) {
 250         var channel = Objects.requireNonNull(component.getChannel(channelId));
 251         thingHandler.handleCommand(channel.getChannelUID(), command);
 252     }
 253
 254     protected static class LatchThingHandler extends HomeAssistantThingHandler {
 255         private @Nullable CountDownLatch latch;
 256         private @Nullable AbstractComponent<@NonNull ? extends AbstractChannelConfiguration> discoveredComponent;
 257
 258         public LatchThingHandler(Thing thing, MqttChannelTypeProvider channelTypeProvider,
 259                 TransformationServiceProvider transformationServiceProvider, int subscribeTimeout,
 260                 int attributeReceiveTimeout) {
 261             super(thing, channelTypeProvider, transformationServiceProvider, subscribeTimeout, attributeReceiveTimeout);
 262         }
 263
 264         @Override
 265         public void componentDiscovered(HaID homeAssistantTopicID, AbstractComponent<@NonNull ?> component) {
 266             accept(List.of(component));
 267             discoveredComponent = component;
 268             if (latch != null) {
 269                 latch.countDown();
 270             }
 271         }
 272
 273         public CountDownLatch createWaitForComponentDiscoveredLatch(int count) {
 274             final var newLatch = new CountDownLatch(count);
 275             latch = newLatch;
 276             return newLatch;
 277         }
 278
 279         public @Nullable AbstractComponent<@NonNull ? extends AbstractChannelConfiguration> getDiscoveredComponent() {
 280             return discoveredComponent;
 281         }
 282     }
 283 }