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 assertExpectedLastMessagesForUsers(MultiValueMap<User, Ranking> receivedMessages)
  77         {
  78                 assertRankingEqualsRankingFromLastMessage(PETER, getLastMessageFor(PETER, receivedMessages));
  79                 assertRankingEqualsRankingFromLastMessage(KLAUS, getLastMessageFor(KLAUS, receivedMessages));
  80         }
  81
  82         static void assertRankingEqualsRankingFromLastMessage(User user, Ranking ranking)
  83         {
  84                 assertThat(ranking).isEqualTo(getLastMessageFor(user));
  85         }
  86
  87         static Ranking getLastMessageFor(User user)
  88         {
  89                 return getLastMessageFor(user, expectedMessages());
  90         }
  91
  92         static Ranking getLastMessageFor(User user, MultiValueMap<User, Ranking> messagesForUsers)
  93         {
  94                 return messagesForUsers
  95                                 .get(user)
  96                                 .stream()
  97                                 .reduce(null, (left, right) -> right);
  98         }
  99
 100         static KeyValue<User, Ranking>[] EXPECTED_MESSAGES = new KeyValue[]
 101         {
 102                         KeyValue.pair( // 0
 103                                         PETER,
 104                                         Ranking.of(
 105                                                         Entry.of("Hallo", 1l))),
 106                         KeyValue.pair( // 1
 107                                         KLAUS,
 108                                         Ranking.of(
 109                                                         Entry.of("Müsch", 1l))),
 110                         KeyValue.pair( // 2
 111                                         PETER,
 112                                         Ranking.of(
 113                                                         Entry.of("Hallo", 1l),
 114                                                         Entry.of("Welt", 1l))),
 115                         KeyValue.pair( // 3
 116                                         KLAUS,
 117                                         Ranking.of(
 118                                                         Entry.of("Müsch", 2l))),
 119                         KeyValue.pair( // 4
 120                                         KLAUS,
 121                                         Ranking.of(
 122                                                         Entry.of("Müsch", 2l),
 123                                                         Entry.of("s", 1l))),
 124                         KeyValue.pair( // 5
 125                                         PETER,
 126                                         Ranking.of(
 127                                                         Entry.of("Hallo", 1l),
 128                                                         Entry.of("Welt", 1l),
 129                                                         Entry.of("Boäh", 1l))),
 130                         KeyValue.pair( // 6
 131                                         PETER,
 132                                         Ranking.of(
 133                                                         Entry.of("Welt", 2l),
 134                                                         Entry.of("Hallo", 1l),
 135                                                         Entry.of("Boäh", 1l))),
 136                         KeyValue.pair( // 7
 137                                         PETER,
 138                                         Ranking.of(
 139                                                         Entry.of("Welt", 2l),
 140                                                         Entry.of("Boäh", 2l),
 141                                                         Entry.of("Hallo", 1l))),
 142                         KeyValue.pair( // 8
 143                                         KLAUS,
 144                                         Ranking.of(
 145                                                         Entry.of("Müsch", 2l),
 146                                                         Entry.of("s", 2l))),
 147                         KeyValue.pair( // 9
 148                                         PETER,
 149                                         Ranking.of(
 150                                                         Entry.of("Boäh", 3l),
 151                                                         Entry.of("Welt", 2l),
 152                                                         Entry.of("Hallo", 1l))),
 153                         KeyValue.pair( // 10
 154                                         KLAUS,
 155                                         Ranking.of(
 156                                                         Entry.of("s", 3l),
 157                                                         Entry.of("Müsch", 2l))),
 158         };
 159
 160         static MultiValueMap<User, Ranking> expectedMessages()
 161         {
 162                 MultiValueMap<User, Ranking> expectedMessages = new LinkedMultiValueMap<>();
 163                 Stream
 164                                 .of(EXPECTED_MESSAGES)
 165                                 .forEach(keyValue -> expectedMessages.add(keyValue.key, keyValue.value));
 166                 return expectedMessages;
 167         }
 168
 169         static Map<String, Object> convertToMap(Properties properties)
 170         {
 171                 return properties
 172                                 .entrySet()
 173                                 .stream()
 174                                 .collect(
 175                                                 Collectors.toMap(
 176                                                                 entry -> (String)entry.getKey(),
 177                                                                 entry -> entry.getValue()
 178                                                 ));
 179         }
 180
 181         static String parseHeader(Headers headers, String key)
 182         {
 183                 Header header = headers.lastHeader(key);
 184                 if (header == null)
 185                 {
 186                         return key + "=null";
 187                 }
 188                 else
 189                 {
 190                         return key + "=" + new String(header.value());
 191                 }
 192         }
 193 }