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   1 /**
   2  * Copyright (c) 2010-2023 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.NonNullByDefault;
  24 import org.eclipse.jdt.annotation.Nullable;
  25 import org.junit.jupiter.api.Test;
  26 import org.junit.jupiter.api.extension.ExtendWith;
  27 import org.mockito.Mock;
  28 import org.mockito.junit.jupiter.MockitoExtension;
  29 import org.mockito.junit.jupiter.MockitoSettings;
  30 import org.mockito.quality.Strictness;
  31 import org.openhab.binding.mqtt.generic.tools.ChildMap;
  32 import org.openhab.binding.mqtt.homie.internal.handler.ThingChannelConstants;
  33 import org.openhab.binding.mqtt.homie.internal.homie300.DeviceCallback;
  34 import org.openhab.binding.mqtt.homie.internal.homie300.Node;
  35 import org.openhab.binding.mqtt.homie.internal.homie300.NodeAttributes;
  36
  37 /**
  38  * Tests cases for {@link HomieChildMap}.
  39  *
  40  * @author David Graeff - Initial contribution
  41  */
  42 @ExtendWith(MockitoExtension.class)
  43 @MockitoSettings(strictness = Strictness.LENIENT)
  44 @NonNullByDefault
  45 public class HomieChildMapTests {
  46     private @Mock @NonNullByDefault({}) DeviceCallback callbackMock;
  47
  48     private final String deviceID = ThingChannelConstants.TEST_HOMIE_THING.getId();
  49     private final String deviceTopic = "homie/" + deviceID;
  50
  51     // A completed future is returned for a subscribe call to the attributes
  52     final CompletableFuture<@Nullable Void> future = CompletableFuture.completedFuture(null);
  53
  54     ChildMap<Node> subject = new ChildMap<>();
  55
  56     private Node createNode(String id) {
  57         Node node = new Node(deviceTopic, id, ThingChannelConstants.TEST_HOMIE_THING, callbackMock,
  58                 spy(new NodeAttributes()));
  59         doReturn(future).when(node.attributes).subscribeAndReceive(any(), any(), anyString(), any(), anyInt());
  60         doReturn(future).when(node.attributes).unsubscribe();
  61         return node;
  62     }
  63
  64     private void removedNode(Node node) {
  65         callbackMock.nodeRemoved(node);
  66     }
  67
  68     public static class AddedAction implements Function<Node, CompletableFuture<Void>> {
  69         @Override
  70         public CompletableFuture<Void> apply(Node t) {
  71             return CompletableFuture.completedFuture(null);
  72         }
  73     }
  74
  75     @Test
  76     public void testArrayToSubtopicCreateAndRemove() {
  77         AddedAction addedAction = spy(new AddedAction());
  78
  79         // Assign "abc,def" to the
  80         subject.apply(new String[] { "abc", "def" }, addedAction, this::createNode, this::removedNode);
  81
  82         assertThat(future.isDone(), is(true));
  83         assertThat(subject.get("abc").nodeID, is("abc"));
  84         assertThat(subject.get("def").nodeID, is("def"));
  85
  86         verify(addedAction, times(2)).apply(any());
  87
  88         Node soonToBeRemoved = subject.get("def");
  89         subject.apply(new String[] { "abc" }, addedAction, this::createNode, this::removedNode);
  90         verify(callbackMock).nodeRemoved(eq(soonToBeRemoved));
  91     }
  92 }