From dd10508813ee6bc2f1658d30f52777d405da653b Mon Sep 17 00:00:00 2001
From: Kai Moritz <kai@juplo.de>
Date: Tue, 27 Feb 2024 21:56:45 +0100
Subject: [PATCH] test: HandoverIT-POC - messages are written to 23 chat-rooms
 instead of 1

---
 .../chat/backend/AbstractHandoverIT.java      | 15 ++++++++---
 .../juplo/kafka/chat/backend/TestClient.java  | 25 ++++++++++---------
 2 files changed, 24 insertions(+), 16 deletions(-)

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 2e4faa1b..900a7c39 100644
--- a/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
@@ -19,6 +19,7 @@ import reactor.core.publisher.Mono;
 public abstract class AbstractHandoverIT
 {
   static final ParameterizedTypeReference<ServerSentEvent<String>> SSE_TYPE = new ParameterizedTypeReference<>() {};
+  static final int NUM_CHATROOMS = 23;
 
 
   private final AbstractHandoverITContainers containers;
@@ -33,15 +34,21 @@ public abstract class AbstractHandoverIT
   @Test
   void test() throws InterruptedException
   {
-    ChatRoomInfoTo chatRoom = createChatRoom("bar").block();
+    ChatRoomInfoTo[] chatRooms = Flux
+        .range(0, NUM_CHATROOMS)
+        .flatMap(i -> createChatRoom("#" + i))
+        .toStream()
+        .toArray(size -> new ChatRoomInfoTo[size]);
+
     TestClient testClient = new TestClient(
         containers.haproxy.getMappedPort(8400),
-        chatRoom,
+        chatRooms,
         "nerd");
     testClient.run();
 
-    receiveMessages(chatRoom)
-        .take(100)
+    Flux
+        .fromArray(chatRooms)
+        .flatMap(chatRoom ->receiveMessages(chatRoom).take(100))
         .doOnNext(message -> log.info("message: {}", message))
         .then()
         .block();
diff --git a/src/test/java/de/juplo/kafka/chat/backend/TestClient.java b/src/test/java/de/juplo/kafka/chat/backend/TestClient.java
index 5dde9981..4aad7f81 100644
--- a/src/test/java/de/juplo/kafka/chat/backend/TestClient.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/TestClient.java
@@ -6,11 +6,11 @@ import lombok.extern.slf4j.Slf4j;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
 import org.springframework.web.reactive.function.client.WebClient;
+import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 import reactor.util.retry.Retry;
 
 import java.time.Duration;
-import java.util.stream.IntStream;
 
 
 @Slf4j
@@ -18,14 +18,15 @@ public class TestClient
 {
   public void run()
   {
-    IntStream
-        .rangeClosed(1,100)
-        .mapToObj(i ->sendMessage(chatRoom, "Message #" + i))
-        .map(result -> result
-            .map(MessageTo::toString)
-            .retryWhen(Retry.fixedDelay(10, Duration.ofSeconds(1)))
-            .block())
-        .forEach(result -> log.info("{}", result));
+    Flux
+        .range(1, 100)
+        .flatMap(i -> Flux
+            .fromArray(chatRooms)
+            .map(chatRoom -> sendMessage(chatRoom, "Message #" + i))
+            .flatMap(result -> result
+                .map(MessageTo::toString)
+                .retryWhen(Retry.fixedDelay(10, Duration.ofSeconds(1)))))
+        .subscribe(result -> log.info("{}", result));
   }
 
   private Mono<MessageTo> sendMessage(
@@ -57,14 +58,14 @@ public class TestClient
 
 
   private final WebClient webClient;
-  private final ChatRoomInfoTo chatRoom;
+  private final ChatRoomInfoTo[] chatRooms;
   private final User user;
 
 
-  TestClient(Integer port, ChatRoomInfoTo chatRoom, String username)
+  TestClient(Integer port, ChatRoomInfoTo[] chatRooms, String username)
   {
     webClient = WebClient.create("http://localhost:" + port);
-    this.chatRoom = chatRoom;
+    this.chatRooms = chatRooms;
     user = new User(username);
   }
 }
-- 
2.20.1