counter: 1.2.15 - Separated serialization-config into a static method
[demos/kafka/wordcount] / src / test / java / de / juplo / kafka / wordcount / counter / TestData.java
index 4b5482b..6419059 100644 (file)
 package de.juplo.kafka.wordcount.counter;
 
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
+import de.juplo.kafka.wordcount.splitter.TestInputWord;
+import de.juplo.kafka.wordcount.top10.TestOutputWord;
+import de.juplo.kafka.wordcount.top10.TestOutputWordCounter;
+import org.apache.kafka.common.header.Header;
+import org.apache.kafka.common.header.Headers;
+import org.apache.kafka.streams.KeyValue;
 import org.springframework.util.LinkedMultiValueMap;
 import org.springframework.util.MultiValueMap;
 
-import java.util.List;
-import java.util.function.BiConsumer;
+import java.util.stream.Stream;
 
 import static org.assertj.core.api.Assertions.assertThat;
 
 
 class TestData
 {
-       static void writeInputData(BiConsumer<String, String> consumer)
+       private static final TestInputWord[] INPUT_MESSAGES = new TestInputWord[]
        {
-               consumer.accept(
-                               "peter",
-                               "Hallo");
-               consumer.accept(
-                               "klaus",
-                               "Müsch");
-               consumer.accept(
-                               "peter",
-                               "Welt");
-               consumer.accept(
-                               "klaus",
-                               "Müsch");
-               consumer.accept(
-                               "klaus",
-                               "s");
-               consumer.accept(
-                               "peter",
-                               "Boäh");
-               consumer.accept(
-                               "peter",
-                               "Welt");
-               consumer.accept(
-                               "peter",
-                               "Boäh");
-               consumer.accept(
-                               "klaus",
-                               "s");
-               consumer.accept(
-                               "peter",
-                               "Boäh");
-               consumer.accept(
-                               "klaus",
-                               "s");
+                       TestInputWord.of("peter","Hallo"),
+                       TestInputWord.of("klaus","Müsch"),
+                       TestInputWord.of("peter","Welt"),
+                       TestInputWord.of("klaus","Müsch"),
+                       TestInputWord.of("klaus","s"),
+                       TestInputWord.of("peter","Boäh"),
+                       TestInputWord.of("peter","Welt"),
+                       TestInputWord.of("peter","Boäh"),
+                       TestInputWord.of("klaus","s"),
+                       TestInputWord.of("peter","Boäh"),
+                       TestInputWord.of("klaus","s"),
+       };
+
+       static Stream<TestInputWord> getInputMessages()
+       {
+               return Stream.of(TestData.INPUT_MESSAGES);
        }
 
-       static void assertExpectedResult(List<Message> receivedMessages, ObjectMapper mapper)
+       static void assertExpectedMessages(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
        {
-               MultiValueMap<String, Message> received = new LinkedMultiValueMap<>();
+               expectedMessages().forEach(
+                               (word, counter) ->
+                                               assertThat(receivedMessages.get(word))
+                                                               .containsExactlyElementsOf(counter));
+       }
 
-               receivedMessages.forEach(message ->
-               {
-                       try
-                       {
-                               Key key = mapper.readValue(message.getKey(), Key.class);
-                               received.add(key.getUsername(), message);
-                       }
-                       catch (JsonProcessingException e)
-                       {
-                               throw new RuntimeException(e);
-                       }
-               });
+       private static final KeyValue<TestOutputWord, TestOutputWordCounter>[] EXPECTED_MESSAGES = new KeyValue[]
+       {
+                       KeyValue.pair(
+                                       TestOutputWord.of("peter","Hallo"),
+                                       TestOutputWordCounter.of("peter","Hallo",1)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("klaus","Müsch"),
+                                       TestOutputWordCounter.of("klaus","Müsch",1)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("peter","Welt"),
+                                       TestOutputWordCounter.of("peter","Welt",1)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("klaus","Müsch"),
+                                       TestOutputWordCounter.of("klaus","Müsch",2)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("klaus","s"),
+                                       TestOutputWordCounter.of("klaus","s",1)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("peter","Boäh"),
+                                       TestOutputWordCounter.of("peter","Boäh",1)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("peter","Welt"),
+                                       TestOutputWordCounter.of("peter","Welt",2)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("peter","Boäh"),
+                                       TestOutputWordCounter.of("peter","Boäh",2)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("klaus","s"),
+                                       TestOutputWordCounter.of("klaus","s",2)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("peter","Boäh"),
+                                       TestOutputWordCounter.of("peter","Boäh",3)),
+                       KeyValue.pair(
+                                       TestOutputWord.of("klaus","s"),
+                                       TestOutputWordCounter.of("klaus","s",3)),
+       };
 
-               assertThat(received).hasSize(2);
-               assertThat(received.get("klaus")).containsExactly(klaus1, klaus2, klaus3, klaus4, klaus5);
-               assertThat(received.get("peter")).containsExactly(peter1, peter2, peter3, peter4, peter5, peter6);
+       static MultiValueMap<TestOutputWord, TestOutputWordCounter> expectedMessages()
+       {
+               MultiValueMap<TestOutputWord, TestOutputWordCounter> expectedMessages = new LinkedMultiValueMap<>();
+               Stream
+                               .of(EXPECTED_MESSAGES)
+                               .forEach(keyValue -> expectedMessages.add(keyValue.key, keyValue.value));
+               return expectedMessages;
        }
 
-       static Message peter1 = Message.of(
-                       "{\"username\":\"peter\",\"word\":\"Hallo\"}",
-                       "1");
-       static Message peter2 = Message.of(
-                       "{\"username\":\"peter\",\"word\":\"Welt\"}",
-                       "1");
-       static Message peter3 = Message.of(
-                       "{\"username\":\"peter\",\"word\":\"Boäh\"}",
-                       "1");
-       static Message peter4 = Message.of(
-                       "{\"username\":\"peter\",\"word\":\"Welt\"}",
-                       "2");
-       static Message peter5 = Message.of(
-                       "{\"username\":\"peter\",\"word\":\"Boäh\"}",
-                       "2");
-       static Message peter6 = Message.of(
-                       "{\"username\":\"peter\",\"word\":\"Boäh\"}",
-                       "3");
-
-       static Message klaus1 = Message.of(
-                       "{\"username\":\"klaus\",\"word\":\"Müsch\"}",
-                       "1");
-       static Message klaus2 = Message.of(
-                       "{\"username\":\"klaus\",\"word\":\"Müsch\"}",
-                       "2");
-       static Message klaus3 = Message.of(
-                       "{\"username\":\"klaus\",\"word\":\"s\"}",
-                       "1");
-       static Message klaus4 = Message.of(
-                       "{\"username\":\"klaus\",\"word\":\"s\"}",
-                       "2");
-       static Message klaus5 = Message.of(
-                       "{\"username\":\"klaus\",\"word\":\"s\"}",
-                       "3");
+       static String parseHeader(Headers headers, String key)
+       {
+               Header header = headers.lastHeader(key);
+               if (header == null)
+               {
+                       return key + "=null";
+               }
+               else
+               {
+                       return key + "=" + new String(header.value());
+               }
+       }
 }