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   1 /**
   2  * Copyright (c) 2010-2024 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.smartmeter;
  14
  15 import static org.mockito.ArgumentMatchers.any;
  16 import static org.mockito.Mockito.*;
  17
  18 import java.io.IOException;
  19 import java.time.Duration;
  20 import java.util.concurrent.Executors;
  21 import java.util.concurrent.TimeoutException;
  22 import java.util.function.Supplier;
  23
  24 import javax.measure.Quantity;
  25
  26 import org.eclipse.jdt.annotation.NonNull;
  27 import org.junit.jupiter.api.Test;
  28 import org.mockito.ArgumentMatchers;
  29 import org.mockito.Mockito;
  30 import org.openhab.binding.smartmeter.connectors.ConnectorBase;
  31 import org.openhab.binding.smartmeter.connectors.IMeterReaderConnector;
  32 import org.openhab.binding.smartmeter.internal.MeterDevice;
  33 import org.openhab.binding.smartmeter.internal.MeterValue;
  34 import org.openhab.binding.smartmeter.internal.MeterValueListener;
  35 import org.openhab.binding.smartmeter.internal.helper.ProtocolMode;
  36 import org.openhab.core.io.transport.serial.SerialPortManager;
  37
  38 import io.reactivex.disposables.Disposable;
  39 import io.reactivex.functions.Consumer;
  40 import io.reactivex.plugins.RxJavaPlugins;
  41
  42 /**
  43  *
  44  * @author Matthias Steigenberger - Initial contribution
  45  *
  46  */
  47 public class TestMeterReading {
  48
  49     @Test
  50     public void testContinousReading() throws Exception {
  51         final Duration period = Duration.ofSeconds(1);
  52         final int executionCount = 5;
  53         MockMeterReaderConnector connector = getMockedConnector(false, () -> new Object());
  54         MeterDevice<Object> meter = getMeterDevice(connector);
  55         MeterValueListener changeListener = Mockito.mock(MeterValueListener.class);
  56         meter.addValueChangeListener(changeListener);
  57         long executionTime = period.toMillis() * executionCount;
  58         Disposable disposable = meter.readValues(executionTime, Executors.newScheduledThreadPool(1), period);
  59         try {
  60             verify(changeListener, after(executionTime + period.toMillis() / 2 + 50).never()).errorOccurred(any());
  61             verify(changeListener, times(executionCount)).valueChanged(any());
  62         } finally {
  63             disposable.dispose();
  64         }
  65     }
  66
  67     @Test
  68     public void testRetryHandling() {
  69         final Duration period = Duration.ofSeconds(1);
  70         MockMeterReaderConnector connector = spy(getMockedConnector(true, () -> {
  71             throw new IllegalArgumentException();
  72         }));
  73         MeterDevice<Object> meter = getMeterDevice(connector);
  74         MeterValueListener changeListener = Mockito.mock(MeterValueListener.class);
  75         meter.addValueChangeListener(changeListener);
  76         Disposable disposable = meter.readValues(5000, Executors.newScheduledThreadPool(1), period);
  77         try {
  78             verify(changeListener, after(
  79                     period.toMillis() + 2 * period.toMillis() * ConnectorBase.NUMBER_OF_RETRIES + period.toMillis() / 2)
  80                     .times(1)).errorOccurred(any());
  81             verify(connector, times(ConnectorBase.NUMBER_OF_RETRIES)).retryHook(ArgumentMatchers.anyInt());
  82         } finally {
  83             disposable.dispose();
  84         }
  85     }
  86
  87     @Test
  88     public void testTimeoutHandling() {
  89         final Duration period = Duration.ofSeconds(2);
  90         final int timeout = 5000;
  91         MockMeterReaderConnector connector = spy(getMockedConnector(true, () -> {
  92             try {
  93                 Thread.sleep(timeout);
  94             } catch (InterruptedException e) {
  95             }
  96             return new Object();
  97         }));
  98         MeterDevice<Object> meter = getMeterDevice(connector);
  99         MeterValueListener changeListener = Mockito.mock(MeterValueListener.class);
 100         meter.addValueChangeListener(changeListener);
 101         Disposable disposable = meter.readValues(timeout / 2, Executors.newScheduledThreadPool(2), period);
 102         try {
 103             verify(changeListener, timeout(timeout)).errorOccurred(any(TimeoutException.class));
 104         } finally {
 105             disposable.dispose();
 106         }
 107     }
 108
 109     @Test
 110     public void shouldNotReportToFallbackException() {
 111         final Duration period = Duration.ofSeconds(2);
 112         final int timeout = 5000;
 113         MockMeterReaderConnector connector = spy(getMockedConnector(true, () -> {
 114             try {
 115                 Thread.sleep(timeout);
 116             } catch (InterruptedException e) {
 117             }
 118             throw new RuntimeException(new IOException("fucked up"));
 119         }));
 120         MeterDevice<Object> meter = getMeterDevice(connector);
 121         Consumer<Throwable> errorHandler = mock(Consumer.class);
 122         RxJavaPlugins.setErrorHandler(errorHandler);
 123         MeterValueListener changeListener = Mockito.mock(MeterValueListener.class);
 124         meter.addValueChangeListener(changeListener);
 125         Disposable disposable = meter.readValues(timeout / 2, Executors.newScheduledThreadPool(2), period);
 126         try {
 127             verify(changeListener, timeout(timeout)).errorOccurred(any(TimeoutException.class));
 128             verifyNoMoreInteractions(errorHandler);
 129         } finally {
 130             disposable.dispose();
 131         }
 132     }
 133
 134     MockMeterReaderConnector getMockedConnector(boolean applyRetry, Supplier<Object> readNextSupplier) {
 135         return new MockMeterReaderConnector("Test port", applyRetry, readNextSupplier);
 136     }
 137
 138     MeterDevice<Object> getMeterDevice(ConnectorBase<Object> connector) {
 139         return new MeterDevice<>(() -> mock(SerialPortManager.class), "id", "port", null, 9600, 0, ProtocolMode.SML) {
 140
 141             @Override
 142             protected @NonNull IMeterReaderConnector<Object> createConnector(
 143                     @NonNull Supplier<@NonNull SerialPortManager> serialPortManagerSupplier, @NonNull String serialPort,
 144                     int baudrate, int baudrateChangeDelay, @NonNull ProtocolMode protocolMode) {
 145                 return connector;
 146             }
 147
 148             @Override
 149             protected <Q extends @NonNull Quantity<Q>> void populateValueCache(Object smlFile) {
 150                 addObisCache(new MeterValue("123", "333", null));
 151             }
 152         };
 153     }
 154 }