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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.homie.generic.internal.mapping;
  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
  20 import java.util.concurrent.CompletableFuture;
  21 import java.util.function.Function;
  22
  23 import org.eclipse.jdt.annotation.Nullable;
  24 import org.junit.jupiter.api.Test;
  25 import org.junit.jupiter.api.extension.ExtendWith;
  26 import org.mockito.Mock;
  27 import org.mockito.junit.jupiter.MockitoExtension;
  28 import org.mockito.junit.jupiter.MockitoSettings;
  29 import org.mockito.quality.Strictness;
  30 import org.openhab.binding.mqtt.generic.tools.ChildMap;
  31 import org.openhab.binding.mqtt.homie.internal.handler.ThingChannelConstants;
  32 import org.openhab.binding.mqtt.homie.internal.homie300.DeviceCallback;
  33 import org.openhab.binding.mqtt.homie.internal.homie300.Node;
  34 import org.openhab.binding.mqtt.homie.internal.homie300.NodeAttributes;
  35
  36 /**
  37  * Tests cases for {@link HomieChildMap}.
  38  *
  39  * @author David Graeff - Initial contribution
  40  */
  41 @ExtendWith(MockitoExtension.class)
  42 @MockitoSettings(strictness = Strictness.WARN)
  43 public class HomieChildMapTests {
  44     private @Mock DeviceCallback callback;
  45
  46     private final String deviceID = ThingChannelConstants.TEST_HOMIE_THING.getId();
  47     private final String deviceTopic = "homie/" + deviceID;
  48
  49     // A completed future is returned for a subscribe call to the attributes
  50     final CompletableFuture<@Nullable Void> future = CompletableFuture.completedFuture(null);
  51
  52     ChildMap<Node> subject = new ChildMap<>();
  53
  54     private Node createNode(String id) {
  55         Node node = new Node(deviceTopic, id, ThingChannelConstants.TEST_HOMIE_THING, callback,
  56                 spy(new NodeAttributes()));
  57         doReturn(future).when(node.attributes).subscribeAndReceive(any(), any(), anyString(), any(), anyInt());
  58         doReturn(future).when(node.attributes).unsubscribe();
  59         return node;
  60     }
  61
  62     private void removedNode(Node node) {
  63         callback.nodeRemoved(node);
  64     }
  65
  66     public static class AddedAction implements Function<Node, CompletableFuture<Void>> {
  67         @Override
  68         public CompletableFuture<Void> apply(Node t) {
  69             return CompletableFuture.completedFuture(null);
  70         }
  71     }
  72
  73     @Test
  74     public void testArrayToSubtopicCreateAndRemove() {
  75         AddedAction addedAction = spy(new AddedAction());
  76
  77         // Assign "abc,def" to the
  78         subject.apply(new String[] { "abc", "def" }, addedAction, this::createNode, this::removedNode);
  79
  80         assertThat(future.isDone(), is(true));
  81         assertThat(subject.get("abc").nodeID, is("abc"));
  82         assertThat(subject.get("def").nodeID, is("def"));
  83
  84         verify(addedAction, times(2)).apply(any());
  85
  86         Node soonToBeRemoved = subject.get("def");
  87         subject.apply(new String[] { "abc" }, addedAction, this::createNode, this::removedNode);
  88         verify(callback).nodeRemoved(eq(soonToBeRemoved));
  89     }
  90 }