DIRTYFIX:subscribe

[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 fc54c03..b55a4c0 100644 (file)
--- a/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/AbstractHandoverIT.java
@@ -1,55 +1,77 @@
 package de.juplo.kafka.chat.backend;
 
 import de.juplo.kafka.chat.backend.api.ChatRoomInfoTo;
-import de.juplo.kafka.chat.backend.api.MessageTo;
-import lombok.EqualsAndHashCode;
-import lombok.Getter;
-import lombok.Setter;
-import lombok.ToString;
 import lombok.extern.slf4j.Slf4j;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
-import org.springframework.core.ParameterizedTypeReference;
 import org.springframework.http.HttpStatus;
 import org.springframework.http.MediaType;
-import org.springframework.http.codec.ServerSentEvent;
 import org.springframework.web.reactive.function.client.WebClient;
-import org.testcontainers.images.ImagePullPolicy;
 import org.testcontainers.junit.jupiter.Testcontainers;
 import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
-import reactor.util.retry.Retry;
 
-import java.time.Duration;
-import java.util.stream.IntStream;
+import java.util.concurrent.CompletableFuture;
 
 
 @Testcontainers
 @Slf4j
 public abstract class AbstractHandoverIT
 {
-  static final ImagePullPolicy NEVER_PULL = imageName -> false;
-  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;
+
+
+  AbstractHandoverIT(AbstractHandoverITContainers containers)
+  {
+    this.containers = containers;
+  }
 
 
   @Test
   void test() throws InterruptedException
   {
-    ChatRoomInfoTo chatRoom = createChatRoom("bar").block();
-    User user = new User("nerd");
-    IntStream
-        .rangeClosed(1,100)
-        .mapToObj(i ->sendMessage(chatRoom, user, "Message #" + i))
-        .map(result -> result
-            .map(MessageTo::toString)
-            .retryWhen(Retry.fixedDelay(10, Duration.ofSeconds(1)))
-            .block())
-        .forEach(result -> log.info("{}", result));
-
-    receiveMessages(chatRoom)
-        .take(100)
-        .doOnNext(message -> log.info("message: {}", message))
-        .then()
-        .block();
+    ChatRoomInfoTo[] chatRooms = Flux
+        .range(0, NUM_CHATROOMS)
+        .flatMap(i -> createChatRoom("room-" + i))
+        .toStream()
+        .toArray(size -> new ChatRoomInfoTo[size]);
+
+    int port = containers.haproxy.getMappedPort(8400);
+
+    CompletableFuture<Void>[] testWriterFutures = new CompletableFuture[NUM_CLIENTS];
+    TestWriter[] testWriters = new TestWriter[NUM_CLIENTS];
+    for (int i = 0; i < NUM_CLIENTS; i++)
+    {
+      TestWriter testWriter = new TestWriter(
+          port,
+          chatRooms[i % NUM_CHATROOMS],
+          "user-" + i);
+      testWriters[i] = testWriter;
+      testWriterFutures[i] = testWriter
+          .run()
+          .toFuture();
+    }
+
+    TestListener testListener = new TestListener(port, chatRooms);
+    testListener
+        .run()
+        .subscribe(message -> log.info(
+            "Received message: {}",
+            message));
+
+    log.info("Sleeping for 3 seconds...");
+    Thread.sleep(3000);
+
+    for (int i = 0; i < NUM_CLIENTS; i++)
+    {
+      testWriters[i].running = false;
+      testWriterFutures[i].join();
+      log.info("Joined TestWriter {}", testWriters[i].user);
+    }
   }
 
   Mono<ChatRoomInfoTo> createChatRoom(String name)
@@ -73,75 +95,15 @@ public abstract class AbstractHandoverIT
         });
   }
 
-  Mono<MessageTo> sendMessage(
-      ChatRoomInfoTo chatRoom,
-      User user,
-      String message)
-  {
-    return webClient
-        .put()
-        .uri(
-            "/{chatRoomId}/{username}/{serial}",
-            chatRoom.getId(),
-            user.getName(),
-            user.nextSerial())
-        .contentType(MediaType.TEXT_PLAIN)
-        .accept(MediaType.APPLICATION_JSON)
-        .bodyValue(message)
-        .exchangeToMono(response ->
-        {
-          if (response.statusCode().equals(HttpStatus.OK))
-          {
-            return response.bodyToMono(MessageTo.class);
-          }
-          else
-          {
-            return response.createError();
-          }
-        });
-  }
-
-  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;
 
-
-  @EqualsAndHashCode
-  @ToString
-  class User
+  @BeforeEach
+  void setUp() throws Exception
   {
-    @Getter
-    private final String name;
-    private int serial = 0;
-
-
-    User (String name)
-    {
-      this.name = name;
-    }
-
+    containers.setUp();
 
-    int nextSerial()
-    {
-      return ++serial;
-    }
-  }
-
-  @Getter
-  @Setter
-  static class StatusTo
-  {
-    String status;
+    Integer port = containers.haproxy.getMappedPort(8400);
+    webClient = WebClient.create("http://localhost:" + port);
   }
 }