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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.dsmr.internal.discovery;
  14
  15 import static org.junit.jupiter.api.Assertions.*;
  16 import static org.mockito.Mockito.when;
  17 import static org.openhab.binding.dsmr.internal.meter.DSMRMeterType.*;
  18
  19 import java.util.Collections;
  20 import java.util.EnumSet;
  21 import java.util.Iterator;
  22 import java.util.List;
  23 import java.util.concurrent.atomic.AtomicBoolean;
  24 import java.util.concurrent.atomic.AtomicReference;
  25 import java.util.stream.Collectors;
  26
  27 import org.eclipse.jdt.annotation.NonNullByDefault;
  28 import org.junit.jupiter.api.Test;
  29 import org.junit.jupiter.api.extension.ExtendWith;
  30 import org.mockito.Answers;
  31 import org.mockito.Mock;
  32 import org.mockito.junit.jupiter.MockitoExtension;
  33 import org.openhab.binding.dsmr.internal.TelegramReaderUtil;
  34 import org.openhab.binding.dsmr.internal.device.p1telegram.P1Telegram;
  35 import org.openhab.binding.dsmr.internal.device.p1telegram.P1Telegram.TelegramState;
  36 import org.openhab.binding.dsmr.internal.handler.DSMRBridgeHandler;
  37 import org.openhab.binding.dsmr.internal.handler.DSMRMeterHandler;
  38 import org.openhab.binding.dsmr.internal.meter.DSMRMeterDescriptor;
  39 import org.openhab.binding.dsmr.internal.meter.DSMRMeterType;
  40 import org.openhab.core.thing.Thing;
  41 import org.openhab.core.thing.ThingUID;
  42
  43 /**
  44  * Test class for {@link DSMRMeterDiscoveryService}.
  45  *
  46  * @author Hilbrand Bouwkamp - Initial contribution
  47  */
  48 @ExtendWith(MockitoExtension.class)
  49 @NonNullByDefault
  50 public class DSMRMeterDiscoveryServiceTest {
  51
  52     private static final String EXPECTED_CONFIGURED_TELEGRAM = "dsmr_50";
  53     private static final String UNREGISTERED_METER_TELEGRAM = "unregistered_meter";
  54
  55     private @NonNullByDefault({}) @Mock(answer = Answers.RETURNS_DEEP_STUBS) DSMRBridgeHandler bridge;
  56     private @NonNullByDefault({}) @Mock Thing thing;
  57     private @NonNullByDefault({}) @Mock DSMRMeterHandler meterHandler;
  58
  59     /**
  60      * Test if discovery reports when the user has incorrectly configured the binding with the wrong meter types.
  61      * Some meters are a subset of other meters so it won't generates errors in usage, but some values will not be
  62      * available to the user with the subset meter.
  63      */
  64     @Test
  65     public void testInvalidConfiguredMeters() {
  66         P1Telegram expected = TelegramReaderUtil.readTelegram(EXPECTED_CONFIGURED_TELEGRAM, TelegramState.OK);
  67         AtomicReference<List<DSMRMeterType>> invalidConfiguredRef = new AtomicReference<>();
  68         AtomicReference<List<DSMRMeterType>> unconfiguredRef = new AtomicReference<>();
  69         DSMRMeterDiscoveryService service = new DSMRMeterDiscoveryService(bridge) {
  70             @Override
  71             protected void reportConfigurationValidationResults(List<DSMRMeterType> invalidConfigured,
  72                     List<DSMRMeterType> unconfiguredMeters) {
  73                 super.reportConfigurationValidationResults(invalidConfigured, unconfiguredMeters);
  74                 invalidConfiguredRef.set(invalidConfigured);
  75                 unconfiguredRef.set(unconfiguredMeters);
  76             }
  77         };
  78
  79         // Mock the invalid configuration by reading a telegram that is valid for a meter that is a subset of the
  80         // expected meter.
  81         List<DSMRMeterDescriptor> invalidConfiguredMeterDescriptors = EnumSet.of(DEVICE_V5, ELECTRICITY_V4_2, M3_V5_0)
  82                 .stream().map(mt -> new DSMRMeterDescriptor(mt, 0)).collect(Collectors.toList());
  83         List<Thing> things = invalidConfiguredMeterDescriptors.stream().map(m -> thing).collect(Collectors.toList());
  84         AtomicReference<Iterator<DSMRMeterDescriptor>> detectMetersRef = new AtomicReference<>();
  85         when((meterHandler).getMeterDescriptor()).then(a -> {
  86             if (detectMetersRef.get() == null || !detectMetersRef.get().hasNext()) {
  87                 detectMetersRef.set(invalidConfiguredMeterDescriptors.iterator());
  88             }
  89             return detectMetersRef.get().next();
  90         });
  91         when(thing.getHandler()).thenReturn(meterHandler);
  92         when(bridge.getThing().getUID()).thenReturn(new ThingUID("dsmr:dsmrBridge:22e5393c"));
  93         when(bridge.getThing().getThings()).thenReturn(things);
  94
  95         service.telegramReceived(expected);
  96         assertNotNull(invalidConfiguredRef.get(), "Should have invalid configured meters");
  97         assertTrue(invalidConfiguredRef.get().contains(DSMRMeterType.ELECTRICITY_V4_2),
  98                 "Should have found specific invalid meter");
  99         assertNotNull(unconfiguredRef.get(), "Should have undetected meters");
 100         assertTrue(unconfiguredRef.get().contains(DSMRMeterType.ELECTRICITY_V5_0),
 101                 "Should have found specific undetected meter");
 102     }
 103
 104     /**
 105      * Test if discovery correctly reports if a meter was detected that has not been registered with the energy
 106      * provider. This meter doesn't report all values in telegram and therefore is not recognized as a specific
 107      * meter. But reports with an empty equipment identifier.
 108      */
 109     @Test
 110     public void testUnregisteredMeters() {
 111         P1Telegram telegram = TelegramReaderUtil.readTelegram(UNREGISTERED_METER_TELEGRAM, TelegramState.OK);
 112         AtomicBoolean unregisteredMeter = new AtomicBoolean(false);
 113         DSMRMeterDiscoveryService service = new DSMRMeterDiscoveryService(bridge) {
 114             @Override
 115             protected void reportUnregisteredMeters() {
 116                 super.reportUnregisteredMeters();
 117                 unregisteredMeter.set(true);
 118             }
 119         };
 120         when(bridge.getThing().getUID()).thenReturn(new ThingUID("dsmr:dsmrBridge:22e5393c"));
 121         when(bridge.getThing().getThings()).thenReturn(Collections.emptyList());
 122
 123         service.telegramReceived(telegram);
 124         assertTrue(unregisteredMeter.get(), "Should have found an unregistered meter");
 125     }
 126 }