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]); // Hallo
  60                 assertThat(receivedMessages).containsSubsequence(
  61                                 expectedMessages[1],
  62                                 expectedMessages[3]); // Müsch
  63                 assertThat(receivedMessages).containsSubsequence(
  64                                 expectedMessages[2],
  65                                 expectedMessages[6]);
  66                 assertThat(receivedMessages).containsSubsequence(
  67                                 expectedMessages[4],
  68                                 expectedMessages[8],
  69                                 expectedMessages[10]); // s
  70                 assertThat(receivedMessages).containsSubsequence(
  71                                 expectedMessages[5],
  72                                 expectedMessages[7],
  73                                 expectedMessages[9]); // Boäh
  74         }
  75
  76         static KeyValue<String, Ranking>[] expectedMessages = new KeyValue[]
  77         {
  78                         KeyValue.pair(
  79                                         "peter",
  80                                         Ranking.of("peter","Hallo",1)),
  81         };
  82
  83         static Map<String, Object> convertToMap(Properties properties)
  84         {
  85                 return properties
  86                                 .entrySet()
  87                                 .stream()
  88                                 .collect(
  89                                                 Collectors.toMap(
  90                                                                 entry -> (String)entry.getKey(),
  91                                                                 entry -> entry.getValue()
  92                                                 ));
  93         }
  94
  95         static String parseHeader(Headers headers, String key)
  96         {
  97                 Header header = headers.lastHeader(key);
  98                 if (header == null)
  99                 {
 100                         return key + "=null";
 101                 }
 102                 else
 103                 {
 104                         return key + "=" + new String(header.value());
 105                 }
 106         }
 107 }