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 org.apache.kafka.common.header.Header;
   4 import org.apache.kafka.common.header.Headers;
   5 import org.apache.kafka.streams.KeyValue;
   6
   7 import java.util.List;
   8 import java.util.Map;
   9 import java.util.Properties;
  10 import java.util.function.BiConsumer;
  11 import java.util.stream.Collectors;
  12
  13 import static org.assertj.core.api.Assertions.assertThat;
  14
  15
  16 class TestData
  17 {
  18         static void writeInputData(BiConsumer<Key, Counter> consumer)
  19         {
  20                 consumer.accept(
  21                                 Key.of("peter","Hallo"),
  22                                 Counter.of("peter","Hallo",1));
  23                 consumer.accept(
  24                                 Key.of("klaus","Müsch"),
  25                                 Counter.of("klaus","Müsch",1));
  26                 consumer.accept(
  27                                 Key.of("peter","Welt"),
  28                                 Counter.of("peter","Welt",1));
  29                 consumer.accept(
  30                                 Key.of("klaus","Müsch"),
  31                                 Counter.of("klaus","Müsch",2));
  32                 consumer.accept(
  33                                 Key.of("klaus","s"),
  34                                 Counter.of("klaus","s",1));
  35                 consumer.accept(
  36                                 Key.of("peter","Boäh"),
  37                                 Counter.of("peter","Boäh",1));
  38                 consumer.accept(
  39                                 Key.of("peter","Welt"),
  40                                 Counter.of("peter","Welt",2));
  41                 consumer.accept(
  42                                 Key.of("peter","Boäh"),
  43                                 Counter.of("peter","Boäh",2));
  44                 consumer.accept(
  45                                 Key.of("klaus","s"),
  46                                 Counter.of("klaus","s",2));
  47                 consumer.accept(
  48                                 Key.of("peter","Boäh"),
  49                                 Counter.of("peter","Boäh",3));
  50                 consumer.accept(
  51                                 Key.of("klaus","s"),
  52                                 Counter.of("klaus","s",3));
  53         }
  54
  55         static void assertExpectedResult(List<KeyValue<String, Ranking>> receivedMessages)
  56         {
  57                 assertThat(receivedMessages).hasSize(11);
  58                 assertThat(receivedMessages).containsSubsequence(
  59                                 expectedMessages[0],
  60                                 expectedMessages[2],
  61                                 expectedMessages[5],
  62                                 expectedMessages[6],
  63                                 expectedMessages[7]); // peter
  64                 assertThat(receivedMessages).containsSubsequence(
  65                                 expectedMessages[1],
  66                                 expectedMessages[3],
  67                                 expectedMessages[4],
  68                                 expectedMessages[8],
  69                                 expectedMessages[10]); // klaus
  70         }
  71
  72         static KeyValue<String, Ranking>[] expectedMessages = new KeyValue[]
  73         {
  74                         KeyValue.pair( // 0
  75                                         "peter",
  76                                         Ranking.of(
  77                                                         Entry.of("Hallo", 1l))),
  78                         KeyValue.pair( // 1
  79                                         "klaus",
  80                                         Ranking.of(
  81                                                         Entry.of("Müsch", 1l))),
  82                         KeyValue.pair( // 2
  83                                         "peter",
  84                                         Ranking.of(
  85                                                         Entry.of("Welt", 1l),
  86                                                         Entry.of("Hallo", 1l))),
  87                         KeyValue.pair( // 3
  88                                         "klaus",
  89                                         Ranking.of(
  90                                                         Entry.of("Müsch", 2l))),
  91                         KeyValue.pair( // 4
  92                                         "klaus",
  93                                         Ranking.of(
  94                                                         Entry.of("Müsch", 2l),
  95                                                         Entry.of("s", 1l))),
  96                         KeyValue.pair( // 5
  97                                         "peter",
  98                                         Ranking.of(
  99                                                         Entry.of("Boäh", 1l),
 100                                                         Entry.of("Welt", 1l),
 101                                                         Entry.of("Hallo", 1l))),
 102                         KeyValue.pair( // 6
 103                                         "peter",
 104                                         Ranking.of(
 105                                                         Entry.of("Welt", 2l),
 106                                                         Entry.of("Boäh", 1l),
 107                                                         Entry.of("Hallo", 1l))),
 108                         KeyValue.pair( // 7
 109                                         "peter",
 110                                         Ranking.of(
 111                                                         Entry.of("Boäh", 2l),
 112                                                         Entry.of("Welt", 2l),
 113                                                         Entry.of("Hallo", 1l))),
 114                         KeyValue.pair( // 8
 115                                         "klaus",
 116                                         Ranking.of(
 117                                                         Entry.of("s", 2l),
 118                                                         Entry.of("Müsch", 2l))),
 119                         KeyValue.pair( // 9
 120                                         "peter",
 121                                         Ranking.of(
 122                                                         Entry.of("Boäh", 3l),
 123                                                         Entry.of("Welt", 2l),
 124                                                         Entry.of("Hallo", 1l))),
 125                         KeyValue.pair( // 10
 126                                         "klaus",
 127                                         Ranking.of(
 128                                                         Entry.of("s", 3l),
 129                                                         Entry.of("Müsch", 2l))),
 130         };
 131
 132         static Map<String, Object> convertToMap(Properties properties)
 133         {
 134                 return properties
 135                                 .entrySet()
 136                                 .stream()
 137                                 .collect(
 138                                                 Collectors.toMap(
 139                                                                 entry -> (String)entry.getKey(),
 140                                                                 entry -> entry.getValue()
 141                                                 ));
 142         }
 143
 144         static String parseHeader(Headers headers, String key)
 145         {
 146                 Header header = headers.lastHeader(key);
 147                 if (header == null)
 148                 {
 149                         return key + "=null";
 150                 }
 151                 else
 152                 {
 153                         return key + "=" + new String(header.value());
 154                 }
 155         }
 156 }