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.streams.KeyValue;
import org.springframework.util.LinkedMultiValueMap;
import org.springframework.util.MultiValueMap;
-import java.util.List;
-import java.util.function.BiConsumer;
+import java.util.function.Consumer;
+import java.util.stream.Stream;
import static org.assertj.core.api.Assertions.assertThat;
class TestData
{
- static void writeInputData(BiConsumer<String, String> consumer)
+ static final String PETER = "peter";
+ static final String KLAUS = "klaus";
+
+ static final String WORD_HALLO = "Hallo";
+ static final String WORD_MÜSCH = "Müsch";
+ static final String WORD_WELT = "Welt";
+ static final String WORD_S = "s";
+ static final String WORD_BOÄH = "Boäh";
+
+ static final TestOutputWord PETER_HALLO = TestOutputWord.of(PETER, WORD_HALLO);
+ static final TestOutputWord PETER_WELT = TestOutputWord.of(PETER, WORD_WELT);
+ static final TestOutputWord PETER_BOÄH = TestOutputWord.of(PETER, WORD_BOÄH);
+ static final TestOutputWord KLAUS_MÜSCH = TestOutputWord.of(KLAUS, WORD_MÜSCH);
+ static final TestOutputWord KLAUS_S = TestOutputWord.of(KLAUS, WORD_S);
+
+ private static final KeyValue<String, TestInputWord>[] INPUT_MESSAGES = new KeyValue[]
{
- 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");
- }
+ new KeyValue<>(
+ PETER,
+ TestInputWord.of(PETER, WORD_HALLO)),
+ new KeyValue<>(
+ KLAUS,
+ TestInputWord.of(KLAUS, WORD_MÜSCH)),
+ new KeyValue<>(
+ PETER,
+ TestInputWord.of(PETER, WORD_WELT)),
+ new KeyValue<>(
+ KLAUS,
+ TestInputWord.of(KLAUS, WORD_MÜSCH)),
+ new KeyValue<>(
+ KLAUS,
+ TestInputWord.of(KLAUS, WORD_S)),
+ new KeyValue<>(
+ PETER,
+ TestInputWord.of(PETER, WORD_BOÄH)),
+ new KeyValue<>(
+ PETER,
+ TestInputWord.of(PETER, WORD_WELT)),
+ new KeyValue<>(
+ PETER,
+ TestInputWord.of(PETER, WORD_BOÄH)),
+ new KeyValue<>(
+ KLAUS,
+ TestInputWord.of(KLAUS, WORD_S)),
+ new KeyValue<>(
+ PETER,
+ TestInputWord.of(PETER, WORD_BOÄH)),
+ new KeyValue<>(
+ KLAUS,
+ TestInputWord.of(KLAUS, WORD_S)),
+ };
- static void assertExpectedResult(List<Message> receivedMessages, ObjectMapper mapper)
+ static Stream<KeyValue<String, TestInputWord>> getInputMessages()
{
- MultiValueMap<String, Message> received = new LinkedMultiValueMap<>();
+ return Stream.of(TestData.INPUT_MESSAGES);
+ }
- receivedMessages.forEach(message ->
- {
- try
- {
- Key key = mapper.readValue(message.getKey(), Key.class);
- received.add(key.getUsername(), message);
- }
- catch (JsonProcessingException e)
- {
- throw new RuntimeException(e);
- }
- });
+ static Consumer<MultiValueMap<TestOutputWord, TestOutputWordCounter>> expectedMessagesAssertion()
+ {
+ return receivedMessages -> assertExpectedMessages(receivedMessages);
+ }
- 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 void assertExpectedMessages(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
+ {
+ expectedMessages().forEach(
+ (word, counter) ->
+ assertThat(receivedMessages.get(word))
+ .containsExactlyElementsOf(counter));
}
- 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");
+ private static final KeyValue<TestOutputWord, TestOutputWordCounter>[] EXPECTED_MESSAGES = new KeyValue[]
+ {
+ KeyValue.pair(
+ PETER_HALLO,
+ TestOutputWordCounter.of(PETER, WORD_HALLO,1)),
+ KeyValue.pair(
+ KLAUS_MÜSCH,
+ TestOutputWordCounter.of(KLAUS, WORD_MÜSCH,1)),
+ KeyValue.pair(
+ PETER_WELT,
+ TestOutputWordCounter.of(PETER, WORD_WELT,1)),
+ KeyValue.pair(
+ KLAUS_MÜSCH,
+ TestOutputWordCounter.of(KLAUS, WORD_MÜSCH,2)),
+ KeyValue.pair(
+ KLAUS_S,
+ TestOutputWordCounter.of(KLAUS, WORD_S,1)),
+ KeyValue.pair(
+ PETER_BOÄH,
+ TestOutputWordCounter.of(PETER, WORD_BOÄH,1)),
+ KeyValue.pair(
+ PETER_WELT,
+ TestOutputWordCounter.of(PETER, WORD_WELT,2)),
+ KeyValue.pair(
+ PETER_BOÄH,
+ TestOutputWordCounter.of(PETER, WORD_BOÄH,2)),
+ KeyValue.pair(
+ KLAUS_S,
+ TestOutputWordCounter.of(KLAUS, WORD_S,2)),
+ KeyValue.pair(
+ PETER_BOÄH,
+ TestOutputWordCounter.of(PETER, WORD_BOÄH,3)),
+ KeyValue.pair(
+ KLAUS_S,
+ TestOutputWordCounter.of(KLAUS, WORD_S,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 MultiValueMap<TestOutputWord, TestOutputWordCounter> expectedMessages()
+ {
+ MultiValueMap<TestOutputWord, TestOutputWordCounter> expectedMessages = new LinkedMultiValueMap<>();
+ Stream
+ .of(EXPECTED_MESSAGES)
+ .forEach(keyValue -> expectedMessages.add(keyValue.key, keyValue.value));
+ return expectedMessages;
+ }
}
projects / demos / kafka / wordcount / blobdiff