WIP:test: HandoverIT-POC - Clients are stopped after some time

[demos/kafka/chat] / src / test / java / de / juplo / kafka / chat / backend / AbstractHandoverIT.java

diff --git a/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java b/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
index 900a7c3..7ab65f6 100644 (file)
--- a/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
@@ -13,6 +13,11 @@ import org.testcontainers.junit.jupiter.Testcontainers;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
+import java.util.Arrays;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.stream.IntStream;
+
 
 @Testcontainers
 @Slf4j
@@ -20,9 +25,11 @@ public abstract class AbstractHandoverIT
 {
   static final ParameterizedTypeReference<ServerSentEvent<String>> SSE_TYPE = new ParameterizedTypeReference<>() {};
   static final int NUM_CHATROOMS = 23;
+  static final int NUM_CLIENTS = 17;
 
 
   private final AbstractHandoverITContainers containers;
+  private final ExecutorService executorService = Executors.newFixedThreadPool(NUM_CLIENTS);
 
 
   AbstractHandoverIT(AbstractHandoverITContainers containers)
@@ -36,19 +43,29 @@ public abstract class AbstractHandoverIT
   {
     ChatRoomInfoTo[] chatRooms = Flux
         .range(0, NUM_CHATROOMS)
-        .flatMap(i -> createChatRoom("#" + i))
+        .flatMap(i -> createChatRoom("room-" + i))
         .toStream()
         .toArray(size -> new ChatRoomInfoTo[size]);
 
-    TestClient testClient = new TestClient(
-        containers.haproxy.getMappedPort(8400),
-        chatRooms,
-        "nerd");
-    testClient.run();
+    TestClient[] testClients = Flux
+        .fromStream(IntStream.range(0, NUM_CLIENTS).mapToObj(i -> "user-" + Integer.toString(i)))
+        .map(i -> new TestClient(
+            containers.haproxy.getMappedPort(8400),
+            chatRooms,
+            i))
+        .doOnNext(testClient -> executorService.execute(testClient))
+        .toStream()
+        .toArray(size -> new TestClient[size]);
+
+    Thread.sleep(2000);
+
+    Arrays
+        .stream(testClients)
+        .forEach(testClient -> testClient.running = false);
 
     Flux
         .fromArray(chatRooms)
-        .flatMap(chatRoom ->receiveMessages(chatRoom).take(100))
+        .flatMap(chatRoom ->receiveMessages(chatRoom).take(50))
         .doOnNext(message -> log.info("message: {}", message))
         .then()
         .block();