juplo.de Git - demos/kafka/wordcount/blob - src/test/java/de/juplo/kafka/wordcount/top10/TestData.java

   1 package de.juplo.kafka.wordcount.top10;
   2
   3 import de.juplo.kafka.wordcount.counter.TestCounter;
   4 import de.juplo.kafka.wordcount.counter.TestWord;
   5 import org.apache.kafka.common.header.Header;
   6 import org.apache.kafka.common.header.Headers;
   7 import org.apache.kafka.streams.KeyValue;
   8 import org.apache.kafka.streams.state.ReadOnlyKeyValueStore;
   9 import org.springframework.util.LinkedMultiValueMap;
  10 import org.springframework.util.MultiValueMap;
  11
  12 import java.util.Map;
  13 import java.util.Properties;
  14 import java.util.stream.Collectors;
  15 import java.util.stream.Stream;
  16
  17 import static org.assertj.core.api.Assertions.assertThat;
  18
  19
  20 class TestData
  21 {
  22         static final User PETER = User.of("peter");
  23         static final User KLAUS = User.of("klaus");
  24
  25         static final KeyValue<TestWord, TestCounter>[] INPUT_MESSAGES = new KeyValue[]
  26         {
  27                         new KeyValue<>(
  28                                         TestWord.of(PETER.getUser(),"Hallo"),
  29                                         TestCounter.of(PETER.getUser(),"Hallo",1)),
  30                         new KeyValue<>(
  31                                         TestWord.of(KLAUS.getUser(),"Müsch"),
  32                                         TestCounter.of(KLAUS.getUser(),"Müsch",1)),
  33                         new KeyValue<>(
  34                                         TestWord.of(PETER.getUser(),"Welt"),
  35                                         TestCounter.of(PETER.getUser(),"Welt",1)),
  36                         new KeyValue<>(
  37                                         TestWord.of(KLAUS.getUser(),"Müsch"),
  38                                         TestCounter.of(KLAUS.getUser(),"Müsch",2)),
  39                         new KeyValue<>(
  40                                         TestWord.of(KLAUS.getUser(),"s"),
  41                                         TestCounter.of(KLAUS.getUser(),"s",1)),
  42                         new KeyValue<>(
  43                                         TestWord.of(PETER.getUser(),"Boäh"),
  44                                         TestCounter.of(PETER.getUser(),"Boäh",1)),
  45                         new KeyValue<>(
  46                                         TestWord.of(PETER.getUser(),"Welt"),
  47                                         TestCounter.of(PETER.getUser(),"Welt",2)),
  48                         new KeyValue<>(
  49                                         TestWord.of(PETER.getUser(),"Boäh"),
  50                                         TestCounter.of(PETER.getUser(),"Boäh",2)),
  51                         new KeyValue<>(
  52                                         TestWord.of(KLAUS.getUser(),"s"),
  53                                         TestCounter.of(KLAUS.getUser(),"s",2)),
  54                         new KeyValue<>(
  55                                         TestWord.of(PETER.getUser(),"Boäh"),
  56                                         TestCounter.of(PETER.getUser(),"Boäh",3)),
  57                         new KeyValue<>(
  58                                         TestWord.of(KLAUS.getUser(),"s"),
  59                                         TestCounter.of(KLAUS.getUser(),"s",3)),
  60         };
  61
  62         static void assertExpectedMessages(MultiValueMap<User, Ranking> receivedMessages)
  63         {
  64                 expectedMessages().forEach(
  65                                 (user, rankings) ->
  66                                                 assertThat(receivedMessages.get(user))
  67                                                                 .containsExactlyElementsOf(rankings));
  68         }
  69
  70         static void assertExpectedState(ReadOnlyKeyValueStore<User, Ranking> store)
  71         {
  72                 assertRankingEqualsRankingFromLastMessage(PETER, store.get(PETER));
  73                 assertRankingEqualsRankingFromLastMessage(KLAUS, store.get(KLAUS));
  74         }
  75
  76         static void assertRankingEqualsRankingFromLastMessage(User user, Ranking ranking)
  77         {
  78                 assertThat(ranking).isEqualTo(getLastMessageFor(user));
  79         }
  80
  81         static Ranking getLastMessageFor(User user)
  82         {
  83                 return getLastMessageFor(user, expectedMessages());
  84         }
  85
  86         static Ranking getLastMessageFor(User user, MultiValueMap<User, Ranking> messagesForUsers)
  87         {
  88                 return messagesForUsers
  89                                 .get(user)
  90                                 .stream()
  91                                 .reduce(null, (left, right) -> right);
  92         }
  93
  94         static KeyValue<User, Ranking>[] EXPECTED_MESSAGES = new KeyValue[]
  95         {
  96                         KeyValue.pair( // 0
  97                                         PETER,
  98                                         Ranking.of(
  99                                                         Entry.of("Hallo", 1l))),
 100                         KeyValue.pair( // 1
 101                                         KLAUS,
 102                                         Ranking.of(
 103                                                         Entry.of("Müsch", 1l))),
 104                         KeyValue.pair( // 2
 105                                         PETER,
 106                                         Ranking.of(
 107                                                         Entry.of("Hallo", 1l),
 108                                                         Entry.of("Welt", 1l))),
 109                         KeyValue.pair( // 3
 110                                         KLAUS,
 111                                         Ranking.of(
 112                                                         Entry.of("Müsch", 2l))),
 113                         KeyValue.pair( // 4
 114                                         KLAUS,
 115                                         Ranking.of(
 116                                                         Entry.of("Müsch", 2l),
 117                                                         Entry.of("s", 1l))),
 118                         KeyValue.pair( // 5
 119                                         PETER,
 120                                         Ranking.of(
 121                                                         Entry.of("Hallo", 1l),
 122                                                         Entry.of("Welt", 1l),
 123                                                         Entry.of("Boäh", 1l))),
 124                         KeyValue.pair( // 6
 125                                         PETER,
 126                                         Ranking.of(
 127                                                         Entry.of("Welt", 2l),
 128                                                         Entry.of("Hallo", 1l),
 129                                                         Entry.of("Boäh", 1l))),
 130                         KeyValue.pair( // 7
 131                                         PETER,
 132                                         Ranking.of(
 133                                                         Entry.of("Welt", 2l),
 134                                                         Entry.of("Boäh", 2l),
 135                                                         Entry.of("Hallo", 1l))),
 136                         KeyValue.pair( // 8
 137                                         KLAUS,
 138                                         Ranking.of(
 139                                                         Entry.of("Müsch", 2l),
 140                                                         Entry.of("s", 2l))),
 141                         KeyValue.pair( // 9
 142                                         PETER,
 143                                         Ranking.of(
 144                                                         Entry.of("Boäh", 3l),
 145                                                         Entry.of("Welt", 2l),
 146                                                         Entry.of("Hallo", 1l))),
 147                         KeyValue.pair( // 10
 148                                         KLAUS,
 149                                         Ranking.of(
 150                                                         Entry.of("s", 3l),
 151                                                         Entry.of("Müsch", 2l))),
 152         };
 153
 154         static MultiValueMap<User, Ranking> expectedMessages()
 155         {
 156                 MultiValueMap<User, Ranking> expectedMessages = new LinkedMultiValueMap<>();
 157                 Stream
 158                                 .of(EXPECTED_MESSAGES)
 159                                 .forEach(keyValue -> expectedMessages.add(keyValue.key, keyValue.value));
 160                 return expectedMessages;
 161         }
 162
 163         static Map<String, Object> convertToMap(Properties properties)
 164         {
 165                 return properties
 166                                 .entrySet()
 167                                 .stream()
 168                                 .collect(
 169                                                 Collectors.toMap(
 170                                                                 entry -> (String)entry.getKey(),
 171                                                                 entry -> entry.getValue()
 172                                                 ));
 173         }
 174
 175         static String parseHeader(Headers headers, String key)
 176         {
 177                 Header header = headers.lastHeader(key);
 178                 if (header == null)
 179                 {
 180                         return key + "=null";
 181                 }
 182                 else
 183                 {
 184                         return key + "=" + new String(header.value());
 185                 }
 186         }
 187 }