WIP:test: HandoverIT-POC - splitted up code into smaller classes -- ALIGN

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

diff --git a/src/test/java/de/juplo/kafka/chat/backend/HandoverITContainers.java b/src/test/java/de/juplo/kafka/chat/backend/HandoverITContainers.java
index b22166f..96f521f 100644 (file)
--- a/src/test/java/de/juplo/kafka/chat/backend/HandoverITContainers.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/HandoverITContainers.java
@@ -1,19 +1,8 @@
 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.awaitility.Awaitility;
-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.containers.BindMode;
 import org.testcontainers.containers.GenericContainer;
@@ -21,49 +10,37 @@ import org.testcontainers.containers.Network;
 import org.testcontainers.containers.output.Slf4jLogConsumer;
 import org.testcontainers.containers.wait.strategy.Wait;
 import org.testcontainers.images.ImagePullPolicy;
-import org.testcontainers.junit.jupiter.Testcontainers;
 import org.testcontainers.utility.DockerImageName;
-import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
-import reactor.util.retry.Retry;
 
-import java.io.IOException;
 import java.time.Duration;
-import java.util.stream.IntStream;
+import java.util.Arrays;
 
 
-@Testcontainers
 @Slf4j
-public abstract class AbstractHandoverIT
+public abstract class AbstractContainerTemplates
 {
   static final ImagePullPolicy NEVER_PULL = imageName -> false;
 
 
-  @Test
-  void test() throws InterruptedException
+  final Network network = Network.newNetwork();
+  final GenericContainer haproxy, backend1, backend2, backend3;
+
+
+  AbstractContainerTemplates()
   {
-    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();
+    haproxy = createHaproxyContainer();
+    backend1 = createBackendContainer("1");
+    backend2 = createBackendContainer("2");
+    backend3 = createBackendContainer("3");
   }
 
 
-  abstract void setUpExtra() throws IOException, InterruptedException;
+  void setUpExtra() throws Exception
+  {
+    log.info("This setup does not need any extra containers");
+  }
 
-  @BeforeEach
   void setUp() throws Exception
   {
     setUpExtra();
@@ -84,8 +61,8 @@ public abstract class AbstractHandoverIT
               if (response.statusCode().equals(HttpStatus.OK))
               {
                 return response
-                    .bodyToMono(StatusTo.class)
-                    .map(StatusTo::getStatus)
+                    .bodyToMono(StatusTO.class)
+                    .map(StatusTO::getStatus)
                     .map(status -> status.equalsIgnoreCase("UP"));
               }
               else
@@ -114,8 +91,8 @@ public abstract class AbstractHandoverIT
               if (response.statusCode().equals(HttpStatus.OK))
               {
                 return response
-                    .bodyToMono(StatusTo.class)
-                    .map(StatusTo::getStatus)
+                    .bodyToMono(StatusTO.class)
+                    .map(StatusTO::getStatus)
                     .map(status -> status.equalsIgnoreCase("UP"));
               }
               else
@@ -126,82 +103,40 @@ public abstract class AbstractHandoverIT
             .block());
   }
 
-  Network network = Network.newNetwork();
-
-  GenericContainer haproxy =
-      new GenericContainer(DockerImageName.parse("haproxytech/haproxy-debian:2.8"))
-          .withNetwork(network)
-          .withNetworkAliases("haproxy")
-          .withClasspathResourceMapping(
-              "haproxy.cfg",
-              "/usr/local/etc/haproxy/haproxy.cfg",
-              BindMode.READ_ONLY)
-          .withClasspathResourceMapping(
-              "sharding.map",
-              "/usr/local/etc/haproxy/sharding.map",
-              BindMode.READ_WRITE)
-          .withExposedPorts(8400, 8401, 8404)
-          .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("HAPROXY"));
-
-  abstract String[] getCommandBackend1();
-  GenericContainer backend1 =
-      new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
-          .withImagePullPolicy(NEVER_PULL)
-          .withNetwork(network)
-          .withNetworkAliases("backend-1")
-          .withCommand(getCommandBackend1())
-          .withExposedPorts(8080)
-          .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
-          .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("BACKEND-1"));
-
-  abstract String[] getCommandBackend2();
-  GenericContainer backend2 =
-      new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
-          .withImagePullPolicy(NEVER_PULL)
-          .withNetwork(network)
-          .withNetworkAliases("backend-2")
-          .withCommand(getCommandBackend2())
-          .withExposedPorts(8080)
-          .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
-          .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("BACKEND-2"));
-
-  abstract String[] getCommandBackend3();
-  GenericContainer backend3 =
-      new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
-          .withImagePullPolicy(NEVER_PULL)
-          .withNetwork(network)
-          .withNetworkAliases("backend-3")
-          .withCommand(getCommandBackend3())
-          .withExposedPorts(8080)
-          .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
-          .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("BACKEND-3"));
-
-
-  @EqualsAndHashCode
-  @ToString
-  class User
-  {
-    @Getter
-    private final String name;
-    private int serial = 0;
+  abstract String[] getBackendCommand();
 
-
-    User (String name)
-    {
-      this.name = name;
-    }
-
-
-    int nextSerial()
-    {
-      return ++serial;
-    }
+  final GenericContainer createHaproxyContainer()
+  {
+    return new GenericContainer(DockerImageName.parse("haproxytech/haproxy-debian:2.8"))
+        .withNetwork(network)
+        .withNetworkAliases("haproxy")
+        .withClasspathResourceMapping(
+            "haproxy.cfg",
+            "/usr/local/etc/haproxy/haproxy.cfg",
+            BindMode.READ_ONLY)
+        .withClasspathResourceMapping(
+            "sharding.map",
+            "/usr/local/etc/haproxy/sharding.map",
+            BindMode.READ_WRITE)
+        .withExposedPorts(8400, 8401, 8404)
+        .withLogConsumer(new Slf4jLogConsumer(log, true).withPrefix("HAPROXY"));
   }
 
-  @Getter
-  @Setter
-  static class StatusTo
+  final GenericContainer createBackendContainer(String id)
   {
-    String status;
+    return new GenericContainer(DockerImageName.parse("juplo/chat-backend:0.0.1-SNAPSHOT"))
+      .withImagePullPolicy(NEVER_PULL)
+      .withNetwork(network)
+      .withNetworkAliases("backend-ID".replaceAll("ID", id))
+      .withCommand(Arrays.stream(getBackendCommand())
+          .map(commandPart -> commandPart.replaceAll("ID", id))
+          .toArray(size -> new String[size]))
+      .withExposedPorts(8080)
+      .waitingFor(Wait.forLogMessage(".*Started\\ ChatBackendApplication.*\\n", 1))
+      .withLogConsumer(new Slf4jLogConsumer(
+          log,
+          true
+          )
+          .withPrefix("BACKEND-ID".replaceAll("ID", id)));
   }
 }