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   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.generic;
  14
  15 import static org.hamcrest.CoreMatchers.is;
  16 import static org.hamcrest.MatcherAssert.assertThat;
  17 import static org.mockito.ArgumentMatchers.*;
  18 import static org.mockito.Mockito.*;
  19 import static org.openhab.binding.mqtt.generic.internal.handler.ThingChannelConstants.*;
  20
  21 import java.util.concurrent.CompletableFuture;
  22
  23 import javax.naming.ConfigurationException;
  24
  25 import org.junit.jupiter.api.BeforeEach;
  26 import org.junit.jupiter.api.Test;
  27 import org.junit.jupiter.api.extension.ExtendWith;
  28 import org.mockito.Mock;
  29 import org.mockito.junit.jupiter.MockitoExtension;
  30 import org.mockito.junit.jupiter.MockitoSettings;
  31 import org.mockito.quality.Strictness;
  32 import org.openhab.binding.mqtt.generic.internal.handler.GenericMQTTThingHandler;
  33 import org.openhab.binding.mqtt.handler.AbstractBrokerHandler;
  34 import org.openhab.core.config.core.Configuration;
  35 import org.openhab.core.io.transport.mqtt.MqttBrokerConnection;
  36 import org.openhab.core.io.transport.mqtt.MqttException;
  37 import org.openhab.core.thing.Thing;
  38 import org.openhab.core.thing.ThingStatus;
  39 import org.openhab.core.thing.ThingStatusDetail;
  40 import org.openhab.core.thing.ThingStatusInfo;
  41 import org.openhab.core.thing.binding.ThingHandler;
  42 import org.openhab.core.thing.binding.ThingHandlerCallback;
  43 import org.openhab.core.transform.TransformationService;
  44
  45 /**
  46  * Tests cases for {@link ThingHandler} to test the json transformation.
  47  *
  48  * @author David Graeff - Initial contribution
  49  */
  50 @ExtendWith(MockitoExtension.class)
  51 @MockitoSettings(strictness = Strictness.WARN)
  52 public class ChannelStateTransformationTests {
  53
  54     private @Mock TransformationService jsonPathService;
  55     private @Mock TransformationServiceProvider transformationServiceProvider;
  56     private @Mock ThingHandlerCallback callback;
  57     private @Mock Thing thing;
  58     private @Mock AbstractBrokerHandler bridgeHandler;
  59     private @Mock MqttBrokerConnection connection;
  60
  61     private GenericMQTTThingHandler thingHandler;
  62
  63     @BeforeEach
  64     public void setUp() throws ConfigurationException, MqttException {
  65         ThingStatusInfo thingStatus = new ThingStatusInfo(ThingStatus.ONLINE, ThingStatusDetail.NONE, null);
  66
  67         // Mock the thing: We need the thingUID and the bridgeUID
  68         when(thing.getUID()).thenReturn(testGenericThing);
  69         when(thing.getChannels()).thenReturn(thingChannelListWithJson);
  70         when(thing.getStatusInfo()).thenReturn(thingStatus);
  71         when(thing.getConfiguration()).thenReturn(new Configuration());
  72
  73         // Return the mocked connection object if the bridge handler is asked for it
  74         when(bridgeHandler.getConnectionAsync()).thenReturn(CompletableFuture.completedFuture(connection));
  75
  76         CompletableFuture<Void> voidFutureComplete = new CompletableFuture<>();
  77         voidFutureComplete.complete(null);
  78         doReturn(voidFutureComplete).when(connection).unsubscribeAll();
  79         doReturn(CompletableFuture.completedFuture(true)).when(connection).subscribe(any(), any());
  80         doReturn(CompletableFuture.completedFuture(true)).when(connection).unsubscribe(any(), any());
  81
  82         thingHandler = spy(new GenericMQTTThingHandler(thing, mock(MqttChannelStateDescriptionProvider.class),
  83                 transformationServiceProvider, 1500));
  84         when(transformationServiceProvider.getTransformationService(anyString())).thenReturn(jsonPathService);
  85
  86         thingHandler.setCallback(callback);
  87         // Return the bridge handler if the thing handler asks for it
  88         doReturn(bridgeHandler).when(thingHandler).getBridgeHandler();
  89
  90         // We are by default online
  91         doReturn(thingStatus).when(thingHandler).getBridgeStatus();
  92     }
  93
  94     @SuppressWarnings("null")
  95     @Test
  96     public void initialize() throws MqttException {
  97         when(thing.getChannels()).thenReturn(thingChannelListWithJson);
  98
  99         thingHandler.initialize();
 100         ChannelState channelConfig = thingHandler.getChannelState(textChannelUID);
 101         assertThat(channelConfig.transformationsIn.get(0).pattern, is(jsonPathPattern));
 102     }
 103
 104     @SuppressWarnings("null")
 105     @Test
 106     public void processMessageWithJSONPath() throws Exception {
 107         when(jsonPathService.transform(jsonPathPattern, jsonPathJSON)).thenReturn("23.2");
 108
 109         thingHandler.initialize();
 110         ChannelState channelConfig = thingHandler.getChannelState(textChannelUID);
 111         channelConfig.setChannelStateUpdateListener(thingHandler);
 112
 113         ChannelStateTransformation transformation = channelConfig.transformationsIn.get(0);
 114
 115         byte payload[] = jsonPathJSON.getBytes();
 116         assertThat(transformation.pattern, is(jsonPathPattern));
 117         // Test process message
 118         channelConfig.processMessage(channelConfig.getStateTopic(), payload);
 119
 120         verify(callback).stateUpdated(eq(textChannelUID), argThat(arg -> "23.2".equals(arg.toString())));
 121         assertThat(channelConfig.getCache().getChannelState().toString(), is("23.2"));
 122     }
 123 }