WIP:test: `*ConfigurationIT` asserts, if restored messages can be seen

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

diff --git a/src/test/java/de/juplo/kafka/chat/backend/AbstractConfigurationIT.java b/src/test/java/de/juplo/kafka/chat/backend/AbstractConfigurationIT.java
index f2cb579..9d87088 100644 (file)
--- a/src/test/java/de/juplo/kafka/chat/backend/AbstractConfigurationIT.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/AbstractConfigurationIT.java
@@ -1,25 +1,36 @@
 package de.juplo.kafka.chat.backend;
 
+import com.fasterxml.jackson.core.type.TypeReference;
 import com.fasterxml.jackson.databind.ObjectMapper;
 import de.juplo.kafka.chat.backend.api.ChatRoomInfoTo;
+import de.juplo.kafka.chat.backend.api.MessageTo;
 import lombok.extern.slf4j.Slf4j;
 import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Value;
 import org.springframework.boot.test.web.server.LocalServerPort;
+import org.springframework.core.io.Resource;
 import org.springframework.http.MediaType;
+import org.springframework.test.annotation.DirtiesContext;
 import org.springframework.test.web.reactive.server.WebTestClient;
 import org.testcontainers.shaded.org.awaitility.Awaitility;
+import reactor.core.publisher.Flux;
 
 import java.io.IOException;
 import java.time.Duration;
+import java.util.List;
 import java.util.UUID;
+import java.util.concurrent.atomic.AtomicBoolean;
 
+import static org.assertj.core.api.Assertions.assertThat;
 import static org.hamcrest.Matchers.endsWith;
+import static pl.rzrz.assertj.reactor.Assertions.assertThat;
 
 
 @Slf4j
+@DirtiesContext
 public abstract class AbstractConfigurationIT
 {
   final static String EXISTING_CHATROOM = "5c73531c-6fc4-426c-adcb-afc5c140a0f7";
@@ -33,10 +44,20 @@ public abstract class AbstractConfigurationIT
   @Autowired
   ObjectMapper objectMapper;
 
+  @Value("classpath:data/files/5c73531c-6fc4-426c-adcb-afc5c140a0f7.json")
+  Resource existingChatRoomRessource;
+  MessageTo[] expectedExistingMessages;
+
 
   @BeforeEach
-  void waitForApp()
+  void waitForApp() throws IOException
   {
+    expectedExistingMessages = objectMapper
+        .readValue(
+            existingChatRoomRessource.getInputStream(),
+            new TypeReference<List<MessageTo>>() {})
+        .toArray(size -> new MessageTo[size]);
+
     Awaitility
         .await()
         .atMost(Duration.ofSeconds(15))
@@ -62,6 +83,7 @@ public abstract class AbstractConfigurationIT
         .atMost(Duration.ofSeconds(15))
         .untilAsserted(() ->
         {
+          AtomicBoolean existingChatRoomFound = new AtomicBoolean(false);
           webTestClient
               .get()
               .uri(
@@ -70,9 +92,20 @@ public abstract class AbstractConfigurationIT
               .accept(MediaType.APPLICATION_JSON)
               .exchange()
               .expectStatus().isOk()
-              .expectBody()
-                .jsonPath("$.length()").isEqualTo(1)
-                .jsonPath("$[0].name").isEqualTo("FOO");
+              .returnResult(ChatRoomInfoTo.class)
+              .getResponseBody()
+              .toIterable()
+              .forEach(chatRoomInfoTo ->
+              {
+                log.debug("Inspecting chat-room {}", chatRoomInfoTo);
+                if (chatRoomInfoTo.getId().equals(UUID.fromString(EXISTING_CHATROOM)))
+                {
+                  log.debug("Found existing chat-room {}", chatRoomInfoTo);
+                  existingChatRoomFound.set(true);
+                  assertThat(chatRoomInfoTo.getName().equals("FOO"));
+                }
+              });
+          assertThat(existingChatRoomFound.get()).isTrue();
         });
   }
 
@@ -172,28 +205,33 @@ public abstract class AbstractConfigurationIT
   @DisplayName("A message can be put into a newly created chat-room")
   void testPutMessageInNewChatRoom() throws IOException
   {
+    ChatRoomInfoTo chatRoomInfo;
+    do
+    {
+      // The first request creates a new chat-room
+      // It must be repeated, until a chat-room was created,
+      // that is owned by the instance
+      chatRoomInfo = webTestClient
+          .post()
+          .uri("http://localhost:{port}/create", port)
+          .contentType(MediaType.TEXT_PLAIN)
+          .bodyValue("bar")
+          .accept(MediaType.APPLICATION_JSON)
+          .exchange()
+          .returnResult(ChatRoomInfoTo.class)
+          .getResponseBody()
+          .retry(30)
+          .blockFirst();
+    }
+    while(!(chatRoomInfo.getShard() == null || chatRoomInfo.getShard().intValue() == 2));
+
+    UUID chatRoomId = chatRoomInfo.getId();
+
     Awaitility
         .await()
         .atMost(Duration.ofSeconds(15))
         .untilAsserted(() ->
         {
-          byte[] result = webTestClient
-              .post()
-              .uri("http://localhost:{port}/create", port)
-              .contentType(MediaType.TEXT_PLAIN)
-              .bodyValue("bar")
-              .accept(MediaType.APPLICATION_JSON)
-              .exchange()
-              .expectStatus().isOk()
-              .expectBody()
-                .jsonPath("$.id").exists()
-                .jsonPath("$.name").isEqualTo("bar")
-                // The hard must not be asserted, because not all implementations ar aware of it
-                // .jsonPath("$.shard").isEqualTo(Integer.valueOf(2))
-              .returnResult()
-              .getResponseBody();
-          ChatRoomInfoTo chatRoomInfo = objectMapper.readValue(result, ChatRoomInfoTo.class);
-          UUID chatRoomId = chatRoomInfo.getId();
           webTestClient
               .put()
               .uri(
@@ -211,4 +249,40 @@ public abstract class AbstractConfigurationIT
                 .jsonPath("$.text").isEqualTo("Hello world!");
         });
   }
+
+  @Test
+  @DisplayName("Only newly send messages can be seen, when listening to restored chat-room")
+  void testListenToRestoredChatRoomYieldsOnlyNewlyAddedMessages()
+  {
+    MessageTo sentMessage = webTestClient
+        .put()
+        .uri(
+            "http://localhost:{port}/{chatRoomId}/nerd/7",
+            port,
+            EXISTING_CHATROOM)
+        .contentType(MediaType.TEXT_PLAIN)
+        .accept(MediaType.APPLICATION_JSON)
+        .bodyValue("Hello world!")
+        .exchange()
+        .expectStatus()
+        .isOk()
+        .returnResult(MessageTo.class)
+        .getResponseBody()
+        .next()
+        .block();
+
+    Flux<MessageTo> result = webTestClient
+        .get()
+        .uri(
+            "http://localhost:{port}/{chatRoomId}/listen",
+            port,
+            EXISTING_CHATROOM)
+        .accept(MediaType.TEXT_EVENT_STREAM)
+        .exchange()
+        .expectStatus().isOk()
+        .returnResult(MessageTo.class)
+        .getResponseBody();
+
+    assertThat(result.next().block()).isEqualTo(sentMessage);
+  }
 }