X-Git-Url: https://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2FApplicationTests.java;h=740c09ce57f348c3aa2b29f65f96a68be5b41a00;hb=d2eb370acf1a2195c36421ffc471f67cb4a8e86e;hp=9dda0798d6ab70da75ae16f5d36633ad6f423a87;hpb=d576eea9bc9208d9e5003bd8c8c132bed96b5c40;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 9dda079..740c09c 100644
--- a/src/test/java/de/juplo/kafka/ApplicationTests.java
+++ b/src/test/java/de/juplo/kafka/ApplicationTests.java
@@ -1,82 +1,140 @@
 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
+  StateRepository stateRepository;
+
+
   public ApplicationTests()
   {
-    super(
-        new RecordGenerator()
-        {
-          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<ProducerRecord<Bytes, Bytes>> messageSender)
-          {
-            counter = 0;
+    super(new ApplicationTestRecrodGenerator());
+    ((ApplicationTestRecrodGenerator)recordGenerator).tests = this;
+  }
 
-            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));
+  static class ApplicationTestRecrodGenerator implements RecordGenerator
+  {
+    ApplicationTests tests;
 
-              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);
-            }
+    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"));
 
-            return counter;
-          }
+    int counter = 0;
 
-          void send(
-              Bytes key,
-              Bytes value,
-              boolean logicErrors,
-              Consumer<ProducerRecord<Bytes, Bytes>> messageSender)
-          {
-            counter++;
+    Map<String, List<AdderResult>> state;
 
-            if (counter == 77)
-            {
-              if (logicErrors)
-              {
-                value = new Bytes(stringSerializer.serialize(TOPIC, Integer.toString(-1)));
-              }
-            }
+    @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()));
 
-            messageSender.accept(new ProducerRecord<>(TOPIC, key, value));
-          }
+      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;
 
-          @Override
-          public boolean canGeneratePoisonPill()
+      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])
           {
-            return false;
+            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 fail,
+        Consumer<ProducerRecord<Bytes, Bytes>> messageSender)
+    {
+      counter++;
+
+      if (fail)
+      {
+        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();
+
+              assertThat(state.get(user))
+                  .as("Unexpected results for user %s", user)
+                  .containsExactlyElementsOf(resultsForUser);
+            });
+      }
+    }
   }
 }