X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationTests.java;h=1a336d684992afaf659fae096445456f67599704;hb=55d4ad6e7ccbd5d284d7bcda7cfc857555fcd0a5;hp=1272124cbe58981aeea2fd5483fd79b9bb53540a;hpb=27768041f2c2f4b1cbb8c45c9a5d665490050f76;p=demos%2Fkafka%2Ftraining diff --git a/src/test/java/de/juplo/kafka/ApplicationTests.java b/src/test/java/de/juplo/kafka/ApplicationTests.java index 1272124..1a336d6 100644 --- a/src/test/java/de/juplo/kafka/ApplicationTests.java +++ b/src/test/java/de/juplo/kafka/ApplicationTests.java @@ -1,83 +1,83 @@ package de.juplo.kafka; -import org.apache.kafka.clients.consumer.ConsumerRecord; import org.apache.kafka.clients.producer.ProducerRecord; -import org.apache.kafka.common.serialization.LongSerializer; import org.apache.kafka.common.serialization.StringSerializer; import org.apache.kafka.common.utils.Bytes; -import org.springframework.boot.test.context.TestConfiguration; -import org.springframework.context.annotation.Bean; -import org.springframework.context.annotation.Primary; -import org.springframework.test.context.ContextConfiguration; -import java.util.Set; import java.util.function.Consumer; +import java.util.stream.IntStream; -@ContextConfiguration(classes = ApplicationTests.Configuration.class) -public class ApplicationTests extends GenericApplicationTests +public class ApplicationTests extends GenericApplicationTests { public ApplicationTests() { - super( - new RecordGenerator() - { - final StringSerializer stringSerializer = new StringSerializer(); - final LongSerializer longSerializer = new LongSerializer(); - - - @Override - public void generate( - Set poisonPills, - Set logicErrors, - Consumer> messageSender) - { - int i = 0; - - for (int partition = 0; partition < 10; partition++) - { - for (int key = 0; key < 10; key++) - { - if (++i > 100) - return; - - Bytes value = new Bytes(longSerializer.serialize(TOPIC, (long)i)); - if (logicErrors.contains(i)) - { - value = new Bytes(longSerializer.serialize(TOPIC, Long.MIN_VALUE)); - } - if (poisonPills.contains(i)) - { - value = new Bytes(stringSerializer.serialize(TOPIC, "BOOM (Poison-Pill)!")); - } - - ProducerRecord record = - new ProducerRecord<>( - TOPIC, - partition, - new Bytes(stringSerializer.serialize(TOPIC,Integer.toString(partition*10+key%2))), - value); - - messageSender.accept(record); - } - } - } - }); + super(new ApplicationTestRecrodGenerator()); } - @TestConfiguration - public static class Configuration + static class ApplicationTestRecrodGenerator implements RecordGenerator { - @Primary - @Bean - public Consumer> consumer() + final int[] numbers = {1, 7, 3, 2, 33, 6, 11}; + final String[] dieWilden13 = + IntStream + .range(1, 14) + .mapToObj(i -> "seeräuber-" + i) + .toArray(i -> new String[i]); + final StringSerializer stringSerializer = new StringSerializer(); + final Bytes calculateMessage = new Bytes(stringSerializer.serialize(TOPIC, "CALCULATE")); + + int counter = 0; + + @Override + public int generate( + boolean poisonPills, + boolean logicErrors, + Consumer> messageSender) + { + counter = 0; + + for (int i = 0; i < 33; i++) + { + String seeräuber = dieWilden13[i % 13]; + int number = numbers[i % 7]; + + Bytes key = new Bytes(stringSerializer.serialize(TOPIC, seeräuber)); + + for (int message = 1; message <= number; message++) + { + Bytes value = new Bytes(stringSerializer.serialize(TOPIC, Integer.toString(message))); + send(key, value, logicErrors, messageSender); + } + send(key, calculateMessage, logicErrors, messageSender); + } + + return counter; + } + + void send( + Bytes key, + Bytes value, + boolean logicErrors, + Consumer> messageSender) { - return (record) -> + counter++; + + if (counter == 77) { - if (record.value() == Long.MIN_VALUE) - throw new RuntimeException("BOOM (Logic-Error)!"); - }; + if (logicErrors) + { + value = new Bytes(stringSerializer.serialize(TOPIC, Integer.toString(-1))); + } + } + + messageSender.accept(new ProducerRecord<>(TOPIC, key, value)); + } + + @Override + public boolean canGeneratePoisonPill() + { + return false; } } }