package de.juplo.kafka.wordcount.counter;
-import java.util.List;
-import java.util.function.BiConsumer;
+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.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",
- "{\"user\":\"peter\",\"word\":\"Hallo\"}");
- consumer.accept(
- "klaus",
- "{\"user\":\"klaus\",\"word\":\"Müsch\"}");
- consumer.accept(
- "peter",
- "{\"user\":\"peter\",\"word\":\"Welt\"}");
- consumer.accept(
- "klaus",
- "{\"user\":\"klaus\",\"word\":\"Müsch\"}");
- consumer.accept(
- "klaus",
- "{\"user\":\"klaus\",\"word\":\"s\"}");
- consumer.accept(
- "peter",
- "{\"user\":\"peter\",\"word\":\"Boäh\"}");
- consumer.accept(
- "peter",
- "{\"user\":\"peter\",\"word\":\"Welt\"}");
- consumer.accept(
- "peter",
- "{\"user\":\"peter\",\"word\":\"Boäh\"}");
- consumer.accept(
- "klaus",
- "{\"user\":\"klaus\",\"word\":\"s\"}");
- consumer.accept(
- "peter",
- "{\"user\":\"peter\",\"word\":\"Boäh\"}");
- consumer.accept(
- "klaus",
- "{\"user\":\"klaus\",\"word\":\"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)
+ static void assertExpectedMessages(MultiValueMap<TestOutputWord, TestOutputWordCounter> receivedMessages)
{
- assertThat(receivedMessages).hasSize(11);
- assertThat(receivedMessages).containsSubsequence(
- expectedMessages[0]); // Hallo
- assertThat(receivedMessages).containsSubsequence(
- expectedMessages[1],
- expectedMessages[3]); // Müsch
- assertThat(receivedMessages).containsSubsequence(
- expectedMessages[2],
- expectedMessages[6]);
- assertThat(receivedMessages).containsSubsequence(
- expectedMessages[4],
- expectedMessages[8],
- expectedMessages[10]); // s
- assertThat(receivedMessages).containsSubsequence(
- expectedMessages[5],
- expectedMessages[7],
- expectedMessages[9]); // Boäh
+ expectedMessages().forEach(
+ (word, counter) ->
+ assertThat(receivedMessages.get(word))
+ .containsExactlyElementsOf(counter));
}
- static Message[] expectedMessages =
+ private static final KeyValue<TestOutputWord, TestOutputWordCounter>[] EXPECTED_MESSAGES = new KeyValue[]
{
- Message.of(
- "{\"user\":\"peter\",\"word\":\"Hallo\"}",
- "{\"user\":\"peter\",\"word\":\"Hallo\",\"count\":1}"),
- Message.of(
- "{\"user\":\"klaus\",\"word\":\"Müsch\"}",
- "{\"user\":\"klaus\",\"word\":\"Müsch\",\"count\":1}"),
- Message.of(
- "{\"user\":\"peter\",\"word\":\"Welt\"}",
- "{\"user\":\"peter\",\"word\":\"Welt\",\"count\":1}"),
- Message.of(
- "{\"user\":\"klaus\",\"word\":\"Müsch\"}",
- "{\"user\":\"klaus\",\"word\":\"Müsch\",\"count\":2}"),
- Message.of(
- "{\"user\":\"klaus\",\"word\":\"s\"}",
- "{\"user\":\"klaus\",\"word\":\"s\",\"count\":1}"),
- Message.of(
- "{\"user\":\"peter\",\"word\":\"Boäh\"}",
- "{\"user\":\"peter\",\"word\":\"Boäh\",\"count\":1}"),
- Message.of(
- "{\"user\":\"peter\",\"word\":\"Welt\"}",
- "{\"user\":\"peter\",\"word\":\"Welt\",\"count\":2}"),
- Message.of(
- "{\"user\":\"peter\",\"word\":\"Boäh\"}",
- "{\"user\":\"peter\",\"word\":\"Boäh\",\"count\":2}"),
- Message.of(
- "{\"user\":\"klaus\",\"word\":\"s\"}",
- "{\"user\":\"klaus\",\"word\":\"s\",\"count\":2}"),
- Message.of(
- "{\"user\":\"peter\",\"word\":\"Boäh\"}",
- "{\"user\":\"peter\",\"word\":\"Boäh\",\"count\":3}"),
- Message.of(
- "{\"user\":\"klaus\",\"word\":\"s\"}",
- "{\"user\":\"klaus\",\"word\":\"s\",\"count\":3}"),
+ 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)),
};
+
+ 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 String parseHeader(Headers headers, String key)
+ {
+ Header header = headers.lastHeader(key);
+ if (header == null)
+ {
+ return key + "=null";
+ }
+ else
+ {
+ return key + "=" + new String(header.value());
+ }
+ }
}
projects / demos / kafka / wordcount / blobdiff