X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationTests.java;h=6a037eb7136ec1353e9fa11bb5dbee1c5ce63688;hb=5c4b0d9c8e554fc497a6e7c1828081d64a46aa52;hp=51d579eabab4ae0c6765b80f852bc2827a11a88e;hpb=c6a33a3c27563018d99a56fe4069f20de64e9f4c;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 51d579e..6a037eb 100644
--- a/src/test/java/de/juplo/kafka/ApplicationTests.java
+++ b/src/test/java/de/juplo/kafka/ApplicationTests.java
@@ -1,84 +1,154 @@
 package de.juplo.kafka;
 
-import org.apache.kafka.clients.consumer.ConsumerRecord;
+import lombok.extern.slf4j.Slf4j;
 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 org.springframework.beans.factory.annotation.Autowired;
 
-import java.util.Set;
+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;
 
-@ContextConfiguration(classes = ApplicationTests.Configuration.class)
-public class ApplicationTests extends GenericApplicationTests<String, Long>
+
+@Slf4j
+public class ApplicationTests extends GenericApplicationTests<String, String>
 {
+  @Autowired
+  StateRepository stateRepository;
+
+
   public ApplicationTests()
   {
-    super(
-        new RecordGenerator()
-        {
-          final StringSerializer stringSerializer = new StringSerializer();
-          final LongSerializer longSerializer = new LongSerializer();
+    super(new ApplicationTestRecrodGenerator());
+    ((ApplicationTestRecrodGenerator)recordGenerator).tests = this;
+  }
 
 
-          @Override
-          public void generate(
-              int numberOfMessagesToGenerate,
-              Set<Integer> poisonPills,
-              Set<Integer> logicErrors,
-              Consumer<ProducerRecord<Bytes, Bytes>> messageSender)
-          {
-            int i = 0;
+  static class ApplicationTestRecrodGenerator implements RecordGenerator
+  {
+    ApplicationTests tests;
 
-            for (int partition = 0; partition < 10; partition++)
-            {
-              for (int key = 0; key < 10; key++)
-              {
-                if (++i > numberOfMessagesToGenerate)
-                  return;
+    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]);
+    final StringSerializer stringSerializer = new StringSerializer();
+    final Bytes calculateMessage = new Bytes(stringSerializer.serialize(TOPIC, "CALCULATE"));
 
-                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)!"));
-                }
+    int counter = 0;
 
-                ProducerRecord<Bytes, Bytes> record =
-                    new ProducerRecord<>(
-                        TOPIC,
-                        partition,
-                        new Bytes(stringSerializer.serialize(TOPIC,Integer.toString(partition*10+key%2))),
-                        value);
+    Map<String, List<AdderResult>> state;
 
-                messageSender.accept(record);
-              }
-            }
+    @Override
+    public int generate(
+        boolean poisonPills,
+        boolean logicErrors,
+        Consumer<ProducerRecord<Bytes, Bytes>> messageSender)
+    {
+      counter = 0;
+      state =
+          Arrays
+              .stream(dieWilden13)
+              .collect(Collectors.toMap(
+                  seeräuber -> seeräuber,
+                  seeräuber -> new LinkedList()));
+
+      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 pass = 0; pass < 333; pass++)
+      {
+        for (int i = 0; i<13; i++)
+        {
+          String seeräuber = dieWilden13[i];
+          Bytes key = new Bytes(stringSerializer.serialize(TOPIC, seeräuber));
+
+          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);
+        }
+      }
 
-  @TestConfiguration
-  public static class Configuration
-  {
-    @Primary
-    @Bean
-    public Consumer<ConsumerRecord<String, Long>> consumer()
+      return counter;
+    }
+
+    boolean fail (boolean logicErrors, int pass, int counter)
+    {
+      return logicErrors && pass > 300 && counter%77 == 0;
+    }
+
+    void send(
+        Bytes key,
+        Bytes value,
+        boolean fail,
+        Consumer<ProducerRecord<Bytes, Bytes>> messageSender)
     {
-      return (record) ->
+      counter++;
+
+      if (fail)
       {
-        if (record.value() == Long.MIN_VALUE)
-          throw new RuntimeException("BOOM (Logic-Error)!");
-      };
+        value = new Bytes(stringSerializer.serialize(TOPIC, Integer.toString(-1)));
+      }
+
+      messageSender.accept(new ProducerRecord<>(TOPIC, key, value));
+    }
+
+    @Override
+    public boolean canGeneratePoisonPill()
+    {
+      return false;
+    }
+
+    @Override
+    public void assertBusinessLogic()
+    {
+      for (int i=0; i<PARTITIONS; i++)
+      {
+        StateDocument stateDocument =
+            tests.stateRepository.findById(Integer.toString(i)).get();
+
+        stateDocument
+            .results
+            .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))
+                  .as("More results calculated for user %s as expected", user)
+                  .containsAll(resultsForUser);
+            });
+      }
     }
   }
 }