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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.handler;
  14
  15 import static org.hamcrest.CoreMatchers.is;
  16 import static org.hamcrest.MatcherAssert.assertThat;
  17 import static org.junit.jupiter.api.Assertions.assertNull;
  18 import static org.mockito.ArgumentMatchers.any;
  19 import static org.mockito.Mockito.*;
  20
  21 import java.util.Collections;
  22
  23 import org.junit.jupiter.api.BeforeEach;
  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.internal.MqttThingID;
  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.io.transport.mqtt.MqttService;
  35 import org.openhab.core.thing.Bridge;
  36 import org.openhab.core.thing.binding.ThingHandlerCallback;
  37 import org.osgi.service.cm.ConfigurationException;
  38
  39 /**
  40  * Tests cases for {@link org.openhab.binding.mqtt.handler.AbstractBrokerHandler}.
  41  *
  42  * @author David Graeff - Initial contribution
  43  */
  44 @ExtendWith(MockitoExtension.class)
  45 @MockitoSettings(strictness = Strictness.WARN)
  46 public class AbstractBrokerHandlerTest {
  47     private final String HOST = "tcp://123.1.2.3";
  48     private final int PORT = 80;
  49     private SystemBrokerHandler handler;
  50     int stateChangeCounter = 0;
  51
  52     private @Mock ThingHandlerCallback callback;
  53     private @Mock Bridge thing;
  54     private @Mock MqttService service;
  55
  56     @BeforeEach
  57     public void setUp() {
  58         doReturn(new Configuration(Collections.singletonMap("brokerid", MqttThingID.getThingUID(HOST, PORT).getId())))
  59                 .when(thing).getConfiguration();
  60         handler = new SystemBrokerHandler(thing, service);
  61         handler.setCallback(callback);
  62         assertThat(handler.getThing().getConfiguration().get("brokerid"), is(MqttThingID.getThingID(HOST, PORT)));
  63         stateChangeCounter = 0;
  64     }
  65
  66     @Test
  67     public void brokerAddedWrongID() throws ConfigurationException, MqttException {
  68         MqttBrokerConnection brokerConnection = mock(MqttBrokerConnection.class);
  69         handler.brokerAdded("nonsense_id", brokerConnection);
  70         assertNull(handler.connection);
  71         // We do not expect a status change, because brokerAdded will do nothing with invalid connections.
  72         verify(callback, times(0)).statusUpdated(any(), any());
  73     }
  74
  75     @Test
  76     public void brokerRemovedBroker() throws ConfigurationException, MqttException {
  77         MqttBrokerConnectionEx connection = spy(
  78                 new MqttBrokerConnectionEx("10.10.0.10", 80, false, "BrokerHandlerTest"));
  79         handler.brokerAdded(handler.brokerID, connection);
  80         assertThat(handler.connection, is(connection));
  81         handler.brokerRemoved("something", connection);
  82         assertNull(handler.connection);
  83     }
  84
  85     @Test
  86     public void brokerAdded() throws ConfigurationException, MqttException {
  87         MqttBrokerConnectionEx connection = spy(
  88                 new MqttBrokerConnectionEx("10.10.0.10", 80, false, "BrokerHandlerTest"));
  89
  90         verify(callback, times(0)).statusUpdated(any(), any());
  91         handler.brokerAdded(handler.brokerID, connection);
  92
  93         assertThat(handler.connection, is(connection));
  94
  95         verify(connection).start();
  96
  97         // First connecting then connected and another connected after the future completes
  98         verify(callback, times(3)).statusUpdated(any(), any());
  99     }
 100 }