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   1 /**
   2  * Copyright (c) 2010-2020 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.junit.Assert.assertThat;
  17 import static org.mockito.ArgumentMatchers.*;
  18 import static org.mockito.Mockito.*;
  19 import static org.mockito.MockitoAnnotations.initMocks;
  20 import static org.openhab.binding.mqtt.generic.internal.handler.ThingChannelConstants.*;
  21
  22 import java.util.concurrent.CompletableFuture;
  23
  24 import javax.naming.ConfigurationException;
  25
  26 import org.junit.Before;
  27 import org.junit.Test;
  28 import org.mockito.Mock;
  29 import org.openhab.binding.mqtt.generic.internal.handler.GenericMQTTThingHandler;
  30 import org.openhab.binding.mqtt.handler.AbstractBrokerHandler;
  31 import org.openhab.core.config.core.Configuration;
  32 import org.openhab.core.io.transport.mqtt.MqttBrokerConnection;
  33 import org.openhab.core.io.transport.mqtt.MqttException;
  34 import org.openhab.core.thing.Thing;
  35 import org.openhab.core.thing.ThingStatus;
  36 import org.openhab.core.thing.ThingStatusDetail;
  37 import org.openhab.core.thing.ThingStatusInfo;
  38 import org.openhab.core.thing.binding.ThingHandler;
  39 import org.openhab.core.thing.binding.ThingHandlerCallback;
  40 import org.openhab.core.transform.TransformationService;
  41
  42 /**
  43  * Tests cases for {@link ThingHandler} to test the json transformation.
  44  *
  45  * @author David Graeff - Initial contribution
  46  */
  47 public class ChannelStateTransformationTests {
  48
  49     @Mock
  50     private TransformationService jsonPathService;
  51
  52     @Mock
  53     private TransformationServiceProvider transformationServiceProvider;
  54
  55     @Mock
  56     private ThingHandlerCallback callback;
  57
  58     @Mock
  59     private Thing thing;
  60
  61     @Mock
  62     private AbstractBrokerHandler bridgeHandler;
  63
  64     @Mock
  65     private MqttBrokerConnection connection;
  66
  67     private GenericMQTTThingHandler thingHandler;
  68
  69     @Before
  70     public void setUp() throws ConfigurationException, MqttException {
  71         initMocks(this);
  72
  73         ThingStatusInfo thingStatus = new ThingStatusInfo(ThingStatus.ONLINE, ThingStatusDetail.NONE, null);
  74
  75         // Mock the thing: We need the thingUID and the bridgeUID
  76         when(thing.getUID()).thenReturn(testGenericThing);
  77         when(thing.getChannels()).thenReturn(thingChannelListWithJson);
  78         when(thing.getStatusInfo()).thenReturn(thingStatus);
  79         when(thing.getConfiguration()).thenReturn(new Configuration());
  80
  81         // Return the mocked connection object if the bridge handler is asked for it
  82         when(bridgeHandler.getConnectionAsync()).thenReturn(CompletableFuture.completedFuture(connection));
  83
  84         CompletableFuture<Void> voidFutureComplete = new CompletableFuture<>();
  85         voidFutureComplete.complete(null);
  86         doReturn(voidFutureComplete).when(connection).unsubscribeAll();
  87         doReturn(CompletableFuture.completedFuture(true)).when(connection).subscribe(any(), any());
  88         doReturn(CompletableFuture.completedFuture(true)).when(connection).unsubscribe(any(), any());
  89
  90         thingHandler = spy(new GenericMQTTThingHandler(thing, mock(MqttChannelStateDescriptionProvider.class),
  91                 transformationServiceProvider, 1500));
  92         when(transformationServiceProvider.getTransformationService(anyString())).thenReturn(jsonPathService);
  93
  94         thingHandler.setCallback(callback);
  95         // Return the bridge handler if the thing handler asks for it
  96         doReturn(bridgeHandler).when(thingHandler).getBridgeHandler();
  97
  98         // We are by default online
  99         doReturn(thingStatus).when(thingHandler).getBridgeStatus();
 100     }
 101
 102     @SuppressWarnings("null")
 103     @Test
 104     public void initialize() throws MqttException {
 105         when(thing.getChannels()).thenReturn(thingChannelListWithJson);
 106
 107         thingHandler.initialize();
 108         ChannelState channelConfig = thingHandler.getChannelState(textChannelUID);
 109         assertThat(channelConfig.transformationsIn.get(0).pattern, is(jsonPathPattern));
 110     }
 111
 112     @SuppressWarnings("null")
 113     @Test
 114     public void processMessageWithJSONPath() throws Exception {
 115         when(jsonPathService.transform(jsonPathPattern, jsonPathJSON)).thenReturn("23.2");
 116
 117         thingHandler.initialize();
 118         ChannelState channelConfig = thingHandler.getChannelState(textChannelUID);
 119         channelConfig.setChannelStateUpdateListener(thingHandler);
 120
 121         ChannelStateTransformation transformation = channelConfig.transformationsIn.get(0);
 122
 123         byte payload[] = jsonPathJSON.getBytes();
 124         assertThat(transformation.pattern, is(jsonPathPattern));
 125         // Test process message
 126         channelConfig.processMessage(channelConfig.getStateTopic(), payload);
 127
 128         verify(callback).stateUpdated(eq(textChannelUID), argThat(arg -> "23.2".equals(arg.toString())));
 129         assertThat(channelConfig.getCache().getChannelState().toString(), is("23.2"));
 130     }
 131 }