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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.energidataservice.internal;
  14
  15 import static org.hamcrest.CoreMatchers.*;
  16 import static org.hamcrest.MatcherAssert.assertThat;
  17
  18 import java.math.BigDecimal;
  19 import java.time.Clock;
  20 import java.time.Duration;
  21 import java.time.Instant;
  22 import java.time.ZoneId;
  23 import java.time.temporal.ChronoUnit;
  24
  25 import org.eclipse.jdt.annotation.NonNullByDefault;
  26 import org.junit.jupiter.api.Test;
  27 import org.junit.jupiter.api.extension.ExtendWith;
  28 import org.mockito.junit.jupiter.MockitoExtension;
  29 import org.openhab.binding.energidataservice.internal.api.dto.ElspotpriceRecord;
  30
  31 /**
  32  * Tests for {@link CacheManager}.
  33  *
  34  * @author Jacob Laursen - Initial contribution
  35  */
  36 @NonNullByDefault
  37 @ExtendWith(MockitoExtension.class)
  38 public class CacheManagerTest {
  39
  40     @Test
  41     void areSpotPricesFullyCachedToday() {
  42         Instant now = Instant.parse("2023-02-07T08:38:47Z");
  43         Instant first = Instant.parse("2023-02-06T08:00:00Z");
  44         Instant last = Instant.parse("2023-02-07T22:00:00Z");
  45         Clock clock = Clock.fixed(now, EnergiDataServiceBindingConstants.NORD_POOL_TIMEZONE);
  46         CacheManager cacheManager = new CacheManager(clock);
  47         populateWithSpotPrices(cacheManager, first, last);
  48         assertThat(cacheManager.areSpotPricesFullyCached(), is(true));
  49     }
  50
  51     @Test
  52     void areSpotPricesFullyCachedTodayMissingAtStart() {
  53         Instant now = Instant.parse("2023-02-07T08:38:47Z");
  54         Instant first = Instant.parse("2023-02-06T21:00:00Z");
  55         Instant last = Instant.parse("2023-02-07T22:00:00Z");
  56         Clock clock = Clock.fixed(now, EnergiDataServiceBindingConstants.NORD_POOL_TIMEZONE);
  57         CacheManager cacheManager = new CacheManager(clock);
  58         populateWithSpotPrices(cacheManager, first, last);
  59         assertThat(cacheManager.areSpotPricesFullyCached(), is(false));
  60     }
  61
  62     @Test
  63     void areSpotPricesFullyCachedTodayMissingAtEnd() {
  64         Instant now = Instant.parse("2023-02-07T08:38:47Z");
  65         Instant first = Instant.parse("2023-02-06T20:00:00Z");
  66         Instant last = Instant.parse("2023-02-07T21:00:00Z");
  67         Clock clock = Clock.fixed(now, EnergiDataServiceBindingConstants.NORD_POOL_TIMEZONE);
  68         CacheManager cacheManager = new CacheManager(clock);
  69         populateWithSpotPrices(cacheManager, first, last);
  70         assertThat(cacheManager.areSpotPricesFullyCached(), is(false));
  71     }
  72
  73     @Test
  74     void areSpotPricesFullyCachedTodayOtherTimezoneIsIgnored() {
  75         Instant now = Instant.parse("2023-02-07T08:38:47Z");
  76         Instant first = Instant.parse("2023-02-06T08:00:00Z");
  77         Instant last = Instant.parse("2023-02-07T22:00:00Z");
  78         Clock clock = Clock.fixed(now, ZoneId.of("Asia/Tokyo"));
  79         CacheManager cacheManager = new CacheManager(clock);
  80         populateWithSpotPrices(cacheManager, first, last);
  81         assertThat(cacheManager.areSpotPricesFullyCached(), is(true));
  82     }
  83
  84     @Test
  85     void areSpotPricesFullyCachedTomorrow() {
  86         Instant now = Instant.parse("2023-02-07T12:00:00Z");
  87         Instant first = Instant.parse("2023-02-06T12:00:00Z");
  88         Instant last = Instant.parse("2023-02-08T22:00:00Z");
  89         Clock clock = Clock.fixed(now, EnergiDataServiceBindingConstants.NORD_POOL_TIMEZONE);
  90         CacheManager cacheManager = new CacheManager(clock);
  91         populateWithSpotPrices(cacheManager, first, last);
  92         assertThat(cacheManager.areSpotPricesFullyCached(), is(true));
  93     }
  94
  95     @Test
  96     void areHistoricSpotPricesCached() {
  97         Instant now = Instant.parse("2023-02-07T08:38:47Z");
  98         Instant first = Instant.parse("2023-02-06T08:00:00Z");
  99         Instant last = Instant.parse("2023-02-07T07:00:00Z");
 100         Clock clock = Clock.fixed(now, EnergiDataServiceBindingConstants.NORD_POOL_TIMEZONE);
 101         CacheManager cacheManager = new CacheManager(clock);
 102         populateWithSpotPrices(cacheManager, first, last);
 103         assertThat(cacheManager.areHistoricSpotPricesCached(), is(true));
 104     }
 105
 106     @Test
 107     void areHistoricSpotPricesCachedFirstHourMissing() {
 108         Instant now = Instant.parse("2023-02-07T08:38:47Z");
 109         Instant first = Instant.parse("2023-02-06T21:00:00Z");
 110         Instant last = Instant.parse("2023-02-07T08:00:00Z");
 111         Clock clock = Clock.fixed(now, EnergiDataServiceBindingConstants.NORD_POOL_TIMEZONE);
 112         CacheManager cacheManager = new CacheManager(clock);
 113         populateWithSpotPrices(cacheManager, first, last);
 114         assertThat(cacheManager.areHistoricSpotPricesCached(), is(false));
 115     }
 116
 117     private void populateWithSpotPrices(CacheManager cacheManager, Instant first, Instant last) {
 118         int size = (int) Duration.between(first, last).getSeconds() / 60 / 60 + 1;
 119         ElspotpriceRecord[] records = new ElspotpriceRecord[size];
 120         int i = 0;
 121         for (Instant hourStart = first; !hourStart.isAfter(last); hourStart = hourStart.plus(1, ChronoUnit.HOURS)) {
 122             records[i++] = new ElspotpriceRecord(hourStart, BigDecimal.ONE, BigDecimal.ZERO);
 123         }
 124         cacheManager.putSpotPrices(records, EnergiDataServiceBindingConstants.CURRENCY_DKK);
 125     }
 126 }