package de.juplo.kafka;
+import lombok.extern.slf4j.Slf4j;
import org.apache.kafka.clients.producer.ProducerRecord;
import org.apache.kafka.common.serialization.StringSerializer;
import org.apache.kafka.common.utils.Bytes;
import org.springframework.beans.factory.annotation.Autowired;
import java.util.*;
+
import java.util.function.Consumer;
import java.util.stream.Collectors;
import java.util.stream.IntStream;
import static org.assertj.core.api.Assertions.assertThat;
+@Slf4j
public class ApplicationTests extends GenericApplicationTests<String, String>
{
@Autowired
- AdderResults results;
+ StateRepository stateRepository;
public ApplicationTests()
{
super(new ApplicationTestRecrodGenerator());
- ((ApplicationTestRecrodGenerator)recordGenerator).tests = this;
+ ((ApplicationTestRecrodGenerator) recordGenerator).tests = this;
}
{
ApplicationTests tests;
- final int[] numbers = {1, 7, 3, 2, 33, 6, 11};
+ final int[] numbers = {1, 77, 33, 2, 66, 666, 11};
final String[] dieWilden13 =
- IntStream
- .range(1, 14)
- .mapToObj(i -> "seeräuber-" + i)
- .toArray(i -> new String[i]);
+ 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"));
@Override
public int generate(
- boolean poisonPills,
- boolean logicErrors,
- Consumer<ProducerRecord<Bytes, Bytes>> messageSender)
+ boolean poisonPills,
+ boolean logicErrors,
+ Consumer<ProducerRecord<Bytes, Bytes>> messageSender)
{
counter = 0;
state =
- Arrays
- .stream(dieWilden13)
- .collect(Collectors.toMap(
- seeräuber -> seeräuber,
- seeräuber -> new LinkedList()));
-
- for (int i = 0; i < 33; i++)
- {
- String seeräuber = dieWilden13[i % 13];
- int number = numbers[i % 7];
+ Arrays
+ .stream(dieWilden13)
+ .collect(Collectors.toMap(
+ seeräuber -> seeräuber,
+ seeräuber -> new LinkedList()));
- Bytes key = new Bytes(stringSerializer.serialize(TOPIC, seeräuber));
+ int number[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
+ int message[] = {1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1};
+ int next = 0;
- for (int message = 1; message <= number; message++)
+ for (int pass = 0; pass < 333; pass++)
+ {
+ for (int i = 0; i < 13; i++)
{
- Bytes value = new Bytes(stringSerializer.serialize(TOPIC, Integer.toString(message)));
- send(key, value, logicErrors, messageSender);
- }
- send(key, calculateMessage, logicErrors, messageSender);
+ String seeräuber = dieWilden13[i];
+ Bytes key = new Bytes(stringSerializer.serialize(TOPIC, seeräuber));
- state.get(seeräuber).add(new AdderResult(number, (number + 1) * number / 2));
+ if (message[i] > number[i])
+ {
+ send(key, calculateMessage, fail(logicErrors, pass, counter), messageSender);
+ state.get(seeräuber).add(new AdderResult(number[i], (number[i] + 1) * number[i] / 2));
+ // Pick next number to calculate
+ number[i] = numbers[next++ % numbers.length];
+ message[i] = 1;
+ log.debug("Seeräuber {} will die Summe für {} berechnen", seeräuber, number[i]);
+ }
+
+ Bytes value = new Bytes(stringSerializer.serialize(TOPIC, Integer.toString(message[i]++)));
+ send(key, value, fail(logicErrors, pass, counter), messageSender);
+ }
}
return counter;
}
+ boolean fail(boolean logicErrors, int pass, int counter)
+ {
+ return logicErrors && pass > 300 && counter % 77 == 0;
+ }
+
void send(
- Bytes key,
- Bytes value,
- boolean logicErrors,
- Consumer<ProducerRecord<Bytes, Bytes>> messageSender)
+ Bytes key,
+ Bytes value,
+ boolean fail,
+ Consumer<ProducerRecord<Bytes, Bytes>> messageSender)
{
counter++;
- if (counter == 77)
+ if (fail)
{
- if (logicErrors)
- {
- value = new Bytes(stringSerializer.serialize(TOPIC, Integer.toString(-1)));
- }
+ value = new Bytes(stringSerializer.serialize(TOPIC, Integer.toString(-1)));
}
messageSender.accept(new ProducerRecord<>(TOPIC, key, value));
@Override
public void assertBusinessLogic()
{
- tests.results
- .getState()
- .values()
+ for (int i = 0; i < PARTITIONS; i++)
+ {
+ StateDocument stateDocument =
+ tests.stateRepository.findById(Integer.toString(i)).get();
+
+ stateDocument
+ .results
+ .entrySet()
.stream()
- .flatMap(map -> map.entrySet().stream())
.forEach(entry ->
{
String user = entry.getKey();
List<AdderResult> resultsForUser = entry.getValue();
+ for (int j = 0; j < resultsForUser.size(); j++)
+ {
+ if (!(j < state.get(user).size()))
+ {
+ break;
+ }
+
+ assertThat(resultsForUser.get(j))
+ .as("Unexpected results calculation %d of user %s", j, user)
+ .isEqualTo(state.get(user).get(j));
+ }
+
assertThat(state.get(user))
- .describedAs("Unexpected results for user {}", user)
- .containsExactlyElementsOf(resultsForUser);
+ .as("More results calculated for user %s as expected", user)
+ .containsAll(resultsForUser);
});
+ }
}
}
-}
+}
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