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

   1 package de.juplo.kafka.wordcount.counter;
   2
   3 import de.juplo.kafka.wordcount.splitter.TestInputWord;
   4 import de.juplo.kafka.wordcount.top10.TestOutputWord;
   5 import de.juplo.kafka.wordcount.top10.TestOutputWordCounter;
   6 import org.apache.kafka.streams.KeyValue;
   7 import org.springframework.util.LinkedMultiValueMap;
   8 import org.springframework.util.MultiValueMap;
   9
  10 import java.util.function.Consumer;
  11 import java.util.stream.Stream;
  12
  13 import static org.assertj.core.api.Assertions.assertThat;
  14
  15
  16 class TestData
  17 {
  18         static final String PETER = "peter";
  19         static final String KLAUS = "klaus";
  20
  21         static final String WORD_HALLO = "Hallo";
  22         static final String WORD_MÜSCH = "Müsch";
  23         static final String WORD_WELT = "Welt";
  24         static final String WORD_S = "s";
  25         static final String WORD_BOÄH = "Boäh";
  26
  27         static final TestOutputWord PETER_HALLO = TestOutputWord.of(PETER, WORD_HALLO);
  28         static final TestOutputWord PETER_WELT = TestOutputWord.of(PETER, WORD_WELT);
  29         static final TestOutputWord PETER_BOÄH = TestOutputWord.of(PETER, WORD_BOÄH);
  30         static final TestOutputWord KLAUS_MÜSCH = TestOutputWord.of(KLAUS, WORD_MÜSCH);
  31         static final TestOutputWord KLAUS_S = TestOutputWord.of(KLAUS, WORD_S);
  32
  33         private static final KeyValue<String, TestInputWord>[] INPUT_MESSAGES = new KeyValue[]
  34         {
  35                         new KeyValue<>(
  36                                         PETER,
  37                                         TestInputWord.of(PETER, WORD_HALLO)),
  38                         new KeyValue<>(
  39                                         KLAUS,
  40                                         TestInputWord.of(KLAUS, WORD_MÜSCH)),
  41                         new KeyValue<>(
  42                                         PETER,
  43                                         TestInputWord.of(PETER, WORD_WELT)),
  44                         new KeyValue<>(
  45                                         KLAUS,
  46                                         TestInputWord.of(KLAUS, WORD_MÜSCH)),
  47                         new KeyValue<>(
  48                                         KLAUS,
  49                                         TestInputWord.of(KLAUS, WORD_S)),
  50                         new KeyValue<>(
  51                                         PETER,
  52                                         TestInputWord.of(PETER, WORD_BOÄH)),
  53                         new KeyValue<>(
  54                                         PETER,
  55                                         TestInputWord.of(PETER, WORD_WELT)),
  56                         new KeyValue<>(
  57                                         PETER,
  58                                         TestInputWord.of(PETER, WORD_BOÄH)),
  59                         new KeyValue<>(
  60                                         KLAUS,
  61                                         TestInputWord.of(KLAUS, WORD_S)),
  62                         new KeyValue<>(
  63                                         PETER,
  64                                         TestInputWord.of(PETER, WORD_BOÄH)),
  65                         new KeyValue<>(
  66                                         KLAUS,
  67                                         TestInputWord.of(KLAUS, WORD_S)),
  68         };
  69
  70         static Stream<KeyValue<String, TestInputWord>> getInputMessages()
  71         {
  72                 return Stream.of(TestData.INPUT_MESSAGES);
  73         }
  74
  75         static Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> expectedMessagesAssertion()
  76         {
  77                 return receivedMessages -> assertExpectedMessages(receivedMessages);
  78         }
  79
  80         static void assertExpectedMessages(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
  81         {
  82                 expectedMessages().forEach(
  83                                 (word, counter) ->
  84                                                 assertThat(receivedMessages.get(word))
  85                                                                 .containsExactlyElementsOf(counter));
  86         }
  87
  88         static Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> expectedNumberOfMessagesForWordAssertion()
  89         {
  90                 return receivedMessages -> assertExpectedNumberOfMessagesForWord(receivedMessages);
  91         }
  92
  93         static void assertExpectedNumberOfMessagesForWord(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
  94         {
  95                 assertThat(countMessagesForWord(PETER_HALLO, receivedMessages));
  96                 assertThat(countMessagesForWord(PETER_WELT, receivedMessages));
  97                 assertThat(countMessagesForWord(PETER_BOÄH, receivedMessages));
  98                 assertThat(countMessagesForWord(KLAUS_MÜSCH, receivedMessages));
  99                 assertThat(countMessagesForWord(KLAUS_S, receivedMessages));
 100         }
 101
 102         private static int countMessagesForWord(TestOutputWord word, MultiValueMap<TestOutputWord, TestOutputWordCounter> messagesForUsers)
 103         {
 104                 return messagesForUsers.get(word).size();
 105         }
 106
 107         static Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> expectedLastMessagesForWordAssertion()
 108         {
 109                 return receivedMessages -> assertExpectedLastMessagesForWord(receivedMessages);
 110         }
 111
 112         static void assertExpectedLastMessagesForWord(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
 113         {
 114                 assertWordCountEqualsWordCountFromLastMessage(PETER_HALLO, getLastMessageFor(PETER_HALLO, receivedMessages));
 115                 assertWordCountEqualsWordCountFromLastMessage(PETER_WELT, getLastMessageFor(PETER_WELT, receivedMessages));
 116                 assertWordCountEqualsWordCountFromLastMessage(PETER_BOÄH, getLastMessageFor(PETER_BOÄH, receivedMessages));
 117                 assertWordCountEqualsWordCountFromLastMessage(KLAUS_MÜSCH, getLastMessageFor(KLAUS_MÜSCH, receivedMessages));
 118                 assertWordCountEqualsWordCountFromLastMessage(KLAUS_S, getLastMessageFor(KLAUS_S, receivedMessages));
 119         }
 120
 121         private static void assertWordCountEqualsWordCountFromLastMessage(
 122                         TestOutputWord word,
 123                         TestOutputWordCounter counter)
 124         {
 125                 assertThat(counter).isEqualTo(getLastMessageFor(word));
 126         }
 127
 128         private static TestOutputWordCounter getLastMessageFor(TestOutputWord word)
 129         {
 130                 return getLastMessageFor(word, expectedMessages());
 131         }
 132
 133         private static TestOutputWordCounter getLastMessageFor(
 134                         TestOutputWord user,
 135                         MultiValueMap<TestOutputWord, TestOutputWordCounter> messagesForWord)
 136         {
 137                 return messagesForWord
 138                                 .get(user)
 139                                 .stream()
 140                                 .reduce(null, (left, right) -> right);
 141         }
 142
 143         private static final KeyValue<TestOutputWord, TestOutputWordCounter>[] EXPECTED_MESSAGES = new KeyValue[]
 144         {
 145                         KeyValue.pair(
 146                                         PETER_HALLO,
 147                                         TestOutputWordCounter.of(PETER, WORD_HALLO,1)),
 148                         KeyValue.pair(
 149                                         KLAUS_MÜSCH,
 150                                         TestOutputWordCounter.of(KLAUS, WORD_MÜSCH,1)),
 151                         KeyValue.pair(
 152                                         PETER_WELT,
 153                                         TestOutputWordCounter.of(PETER, WORD_WELT,1)),
 154                         KeyValue.pair(
 155                                         KLAUS_MÜSCH,
 156                                         TestOutputWordCounter.of(KLAUS, WORD_MÜSCH,2)),
 157                         KeyValue.pair(
 158                                         KLAUS_S,
 159                                         TestOutputWordCounter.of(KLAUS, WORD_S,1)),
 160                         KeyValue.pair(
 161                                         PETER_BOÄH,
 162                                         TestOutputWordCounter.of(PETER, WORD_BOÄH,1)),
 163                         KeyValue.pair(
 164                                         PETER_WELT,
 165                                         TestOutputWordCounter.of(PETER, WORD_WELT,2)),
 166                         KeyValue.pair(
 167                                         PETER_BOÄH,
 168                                         TestOutputWordCounter.of(PETER, WORD_BOÄH,2)),
 169                         KeyValue.pair(
 170                                         KLAUS_S,
 171                                         TestOutputWordCounter.of(KLAUS, WORD_S,2)),
 172                         KeyValue.pair(
 173                                         PETER_BOÄH,
 174                                         TestOutputWordCounter.of(PETER, WORD_BOÄH,3)),
 175                         KeyValue.pair(
 176                                         KLAUS_S,
 177                                         TestOutputWordCounter.of(KLAUS, WORD_S,3)),
 178         };
 179
 180         static MultiValueMap<TestOutputWord, TestOutputWordCounter> expectedMessages()
 181         {
 182                 MultiValueMap<TestOutputWord, TestOutputWordCounter> expectedMessages = new LinkedMultiValueMap<>();
 183                 Stream
 184                                 .of(EXPECTED_MESSAGES)
 185                                 .forEach(keyValue -> expectedMessages.add(keyValue.key, keyValue.value));
 186                 return expectedMessages;
 187         }
 188 }