WIP:test: HandoverIT-POC - Refactored listening into class `TestListener`

[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..4df4c1e 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 +13,10 @@ 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;
+
 
 @Testcontainers
 @Slf4j
@@ -20,9 +24,11 @@ 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 + 1);
 
 
   AbstractHandoverIT(AbstractHandoverITContainers containers)
@@ -36,22 +42,31 @@ 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();
-
-    Flux
-        .fromArray(chatRooms)
-        .flatMap(chatRoom ->receiveMessages(chatRoom).take(100))
-        .doOnNext(message -> log.info("message: {}", message))
-        .then()
-        .block();
+    int port = containers.haproxy.getMappedPort(8400);
+
+    TestWriter[] testWriters = Flux
+        .range(0, NUM_CLIENTS)
+        .map(i -> new TestWriter(
+            port,
+            chatRooms[i % NUM_CHATROOMS],
+            "user-" + Integer.toString(i)))
+        .doOnNext(testClient -> executorService.execute(testClient))
+        .toStream()
+        .toArray(size -> new TestWriter[size]);
+
+    TestListener testListener = new TestListener(port, chatRooms);
+    executorService.execute(testListener);
+
+    Thread.sleep(10000);
+
+    Arrays
+        .stream(testWriters)
+        .forEach(testClient -> testClient.running = false);
+    testListener.running = false;
   }
 
   Mono<ChatRoomInfoTo> createChatRoom(String name)
@@ -75,18 +90,6 @@ public abstract class AbstractHandoverIT
         });
   }
 
-  Flux<ServerSentEvent<String>> receiveMessages(ChatRoomInfoTo chatRoom)
-  {
-    return webClient
-        .get()
-        .uri(
-            "/{chatRoomId}/listen",
-            chatRoom.getId())
-        .accept(MediaType.TEXT_EVENT_STREAM)
-        .retrieve()
-        .bodyToFlux(SSE_TYPE);
-  }
-
 
   WebClient webClient;