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 de.juplo.kafka.wordcount.query.TestEntry;
   6 import de.juplo.kafka.wordcount.query.TestRanking;
   7 import de.juplo.kafka.wordcount.query.TestUser;
   8 import org.apache.kafka.streams.KeyValue;
   9 import org.apache.kafka.streams.state.ReadOnlyKeyValueStore;
  10 import org.springframework.util.LinkedMultiValueMap;
  11 import org.springframework.util.MultiValueMap;
  12
  13 import java.util.Arrays;
  14 import java.util.stream.Stream;
  15
  16 import static org.assertj.core.api.Assertions.assertThat;
  17
  18
  19 class TestData
  20 {
  21         static final TestUser PETER = TestUser.of("peter");
  22         static final TestUser KLAUS = TestUser.of("klaus");
  23
  24         static final KeyValue<TestWord, TestCounter>[] INPUT_MESSAGES = new KeyValue[]
  25         {
  26                         new KeyValue<>(
  27                                         TestWord.of(PETER.getUser(),"Hallo"),
  28                                         TestCounter.of(PETER.getUser(),"Hallo",1)),
  29                         new KeyValue<>(
  30                                         TestWord.of(KLAUS.getUser(),"Müsch"),
  31                                         TestCounter.of(KLAUS.getUser(),"Müsch",1)),
  32                         new KeyValue<>(
  33                                         TestWord.of(PETER.getUser(),"Welt"),
  34                                         TestCounter.of(PETER.getUser(),"Welt",1)),
  35                         new KeyValue<>(
  36                                         TestWord.of(KLAUS.getUser(),"Müsch"),
  37                                         TestCounter.of(KLAUS.getUser(),"Müsch",2)),
  38                         new KeyValue<>(
  39                                         TestWord.of(KLAUS.getUser(),"s"),
  40                                         TestCounter.of(KLAUS.getUser(),"s",1)),
  41                         new KeyValue<>(
  42                                         TestWord.of(PETER.getUser(),"Boäh"),
  43                                         TestCounter.of(PETER.getUser(),"Boäh",1)),
  44                         new KeyValue<>(
  45                                         TestWord.of(PETER.getUser(),"Welt"),
  46                                         TestCounter.of(PETER.getUser(),"Welt",2)),
  47                         new KeyValue<>(
  48                                         TestWord.of(PETER.getUser(),"Boäh"),
  49                                         TestCounter.of(PETER.getUser(),"Boäh",2)),
  50                         new KeyValue<>(
  51                                         TestWord.of(KLAUS.getUser(),"s"),
  52                                         TestCounter.of(KLAUS.getUser(),"s",2)),
  53                         new KeyValue<>(
  54                                         TestWord.of(PETER.getUser(),"Boäh"),
  55                                         TestCounter.of(PETER.getUser(),"Boäh",3)),
  56                         new KeyValue<>(
  57                                         TestWord.of(KLAUS.getUser(),"s"),
  58                                         TestCounter.of(KLAUS.getUser(),"s",3)),
  59         };
  60
  61         static void assertExpectedMessages(MultiValueMap<TestUser, TestRanking> receivedMessages)
  62         {
  63                 expectedMessages().forEach(
  64                                 (user, rankings) ->
  65                                                 assertThat(receivedMessages.get(user))
  66                                                                 .containsExactlyElementsOf(rankings));
  67         }
  68
  69         static void assertExpectedState(ReadOnlyKeyValueStore<User, Ranking> store)
  70         {
  71                 assertRankingEqualsRankingFromLastMessage(PETER, store.get(userOf(PETER)));
  72                 assertRankingEqualsRankingFromLastMessage(KLAUS, store.get(userOf(KLAUS)));
  73         }
  74
  75         static User userOf(TestUser user)
  76         {
  77                 return User.of(user.getUser());
  78         }
  79
  80         static void assertExpectedNumberOfMessagesForUsers(MultiValueMap<TestUser, TestRanking> receivedMessages)
  81         {
  82                 assertThat(countMessagesForUser(PETER, receivedMessages));
  83                 assertThat(countMessagesForUser(KLAUS, receivedMessages));
  84         }
  85
  86         static int countMessagesForUser(TestUser user, MultiValueMap<TestUser, TestRanking> messagesForUsers)
  87         {
  88                 return messagesForUsers.get(user) == null
  89                                 ? 0
  90                                 : messagesForUsers.get(user).size();
  91         }
  92
  93
  94         static void assertExpectedLastMessagesForUsers(MultiValueMap<TestUser, TestRanking> receivedMessages)
  95         {
  96                 assertRankingEqualsRankingFromLastMessage(PETER, getLastMessageFor(PETER, receivedMessages));
  97                 assertRankingEqualsRankingFromLastMessage(KLAUS, getLastMessageFor(KLAUS, receivedMessages));
  98         }
  99
 100         static void assertRankingEqualsRankingFromLastMessage(TestUser user, Ranking ranking)
 101         {
 102                 TestRanking testRanking = TestRanking.of(testEntriesOf(ranking.getEntries()));
 103                 assertRankingEqualsRankingFromLastMessage(user, testRanking);
 104         }
 105
 106         static TestEntry[] testEntriesOf(Entry... entries)
 107         {
 108                 return Arrays
 109                                 .stream(entries)
 110                                 .map(entry -> TestEntry.of(
 111                                                 entry.getWord(),
 112                                                 entry.getCounter() == null
 113                                                                 ? -1l
 114                                                                 : entry.getCounter()))
 115                                 .toArray(size -> new TestEntry[size]);
 116         }
 117
 118         static void assertRankingEqualsRankingFromLastMessage(TestUser user, TestRanking ranking)
 119         {
 120                 assertThat(ranking).isEqualTo(getLastMessageFor(user));
 121         }
 122
 123         static TestRanking getLastMessageFor(TestUser user)
 124         {
 125                 return getLastMessageFor(user, expectedMessages());
 126         }
 127
 128         static TestRanking getLastMessageFor(TestUser user, MultiValueMap<TestUser, TestRanking> messagesForUsers)
 129         {
 130                 return messagesForUsers
 131                                 .get(user)
 132                                 .stream()
 133                                 .reduce(null, (left, right) -> right);
 134         }
 135
 136         static KeyValue<TestUser, TestRanking>[] EXPECTED_MESSAGES = new KeyValue[]
 137         {
 138                         KeyValue.pair( // 0
 139                                         PETER,
 140                                         TestRanking.of(
 141                                                         TestEntry.of("Hallo", 1l))),
 142                         KeyValue.pair( // 1
 143                                         KLAUS,
 144                                         TestRanking.of(
 145                                                         TestEntry.of("Müsch", 1l))),
 146                         KeyValue.pair( // 2
 147                                         PETER,
 148                                         TestRanking.of(
 149                                                         TestEntry.of("Hallo", 1l),
 150                                                         TestEntry.of("Welt", 1l))),
 151                         KeyValue.pair( // 3
 152                                         KLAUS,
 153                                         TestRanking.of(
 154                                                         TestEntry.of("Müsch", 2l))),
 155                         KeyValue.pair( // 4
 156                                         KLAUS,
 157                                         TestRanking.of(
 158                                                         TestEntry.of("Müsch", 2l),
 159                                                         TestEntry.of("s", 1l))),
 160                         KeyValue.pair( // 5
 161                                         PETER,
 162                                         TestRanking.of(
 163                                                         TestEntry.of("Hallo", 1l),
 164                                                         TestEntry.of("Welt", 1l),
 165                                                         TestEntry.of("Boäh", 1l))),
 166                         KeyValue.pair( // 6
 167                                         PETER,
 168                                         TestRanking.of(
 169                                                         TestEntry.of("Welt", 2l),
 170                                                         TestEntry.of("Hallo", 1l),
 171                                                         TestEntry.of("Boäh", 1l))),
 172                         KeyValue.pair( // 7
 173                                         PETER,
 174                                         TestRanking.of(
 175                                                         TestEntry.of("Welt", 2l),
 176                                                         TestEntry.of("Boäh", 2l),
 177                                                         TestEntry.of("Hallo", 1l))),
 178                         KeyValue.pair( // 8
 179                                         KLAUS,
 180                                         TestRanking.of(
 181                                                         TestEntry.of("Müsch", 2l),
 182                                                         TestEntry.of("s", 2l))),
 183                         KeyValue.pair( // 9
 184                                         PETER,
 185                                         TestRanking.of(
 186                                                         TestEntry.of("Boäh", 3l),
 187                                                         TestEntry.of("Welt", 2l),
 188                                                         TestEntry.of("Hallo", 1l))),
 189                         KeyValue.pair( // 10
 190                                         KLAUS,
 191                                         TestRanking.of(
 192                                                         TestEntry.of("s", 3l),
 193                                                         TestEntry.of("Müsch", 2l))),
 194         };
 195
 196         static MultiValueMap<TestUser, TestRanking> expectedMessages()
 197         {
 198                 MultiValueMap<TestUser, TestRanking> expectedMessages = new LinkedMultiValueMap<>();
 199                 Stream
 200                                 .of(EXPECTED_MESSAGES)
 201                                 .forEach(keyValue -> expectedMessages.add(keyValue.key, keyValue.value));
 202                 return expectedMessages;
 203         }
 204 }