refactor: DRY for the configuration of the `AbstractStorageStrategyIT`

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

diff --git a/src/test/java/de/juplo/kafka/chat/backend/persistence/AbstractStorageStrategyIT.java b/src/test/java/de/juplo/kafka/chat/backend/persistence/AbstractStorageStrategyIT.java
index c934ff4..d5e02b8 100644 (file)
--- a/src/test/java/de/juplo/kafka/chat/backend/persistence/AbstractStorageStrategyIT.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/persistence/AbstractStorageStrategyIT.java
@@ -6,7 +6,6 @@ import org.junit.jupiter.api.Test;
 
 import java.util.List;
 import java.util.UUID;
-import java.util.function.Supplier;
 
 import static pl.rzrz.assertj.reactor.Assertions.*;
 
@@ -19,13 +18,13 @@ public abstract class AbstractStorageStrategyIT
 
 
   protected abstract StorageStrategy getStorageStrategy();
-  protected abstract Supplier<ChatHomeService> getChatHomeServiceSupplier();
-  protected abstract ChatRoomFactory getChatRoomFactory();
+  protected abstract StorageStrategyITConfig getConfig();
 
   protected void start()
   {
-    chathome = new SimpleChatHome(getChatHomeServiceSupplier().get());
-    chatRoomFactory = getChatRoomFactory();
+    StorageStrategyITConfig config = getConfig();
+    chathome = new SimpleChatHome(config.getChatHomeService());
+    chatRoomFactory = config.getChatRoomFactory();
   }
 
   protected void stop()
@@ -63,4 +62,58 @@ public abstract class AbstractStorageStrategyIT
         .getChatRoom(chatroom.getId())
         .flatMapMany(cr -> cr.getMessages())).emitsExactly(m1, m2, m3, m4);
   }
+
+  @Test
+  protected void testStoreAndRecreateParallelChatRooms()
+  {
+    start();
+
+    assertThat(chathome.getChatRooms().toStream()).hasSize(0);
+
+    UUID chatRoomAId = UUID.fromString("5c73531c-6fc4-426c-adcb-afc5c140a0f7");
+    ChatRoom chatroomA = chatRoomFactory.createChatRoom(chatRoomAId, "FOO").block();
+    chathome.putChatRoom(chatroomA);
+    Message ma1 = chatroomA.addMessage(1l,"peter", "Hallo, ich heiße Peter!").block();
+    Message ma2 = chatroomA.addMessage(1l, "ute", "Ich bin Ute...").block();
+    Message ma3 = chatroomA.addMessage(2l, "peter", "Willst du mit mir gehen?").block();
+    Message ma4 = chatroomA.addMessage(1l, "klaus", "Ja? Nein? Vielleicht??").block();
+
+    UUID chatRoomBId = UUID.fromString("8763dfdc-4dda-4a74-bea4-4b389177abea");
+    ChatRoom chatroomB = chatRoomFactory.createChatRoom(chatRoomBId, "BAR").block();
+    chathome.putChatRoom(chatroomB);
+    Message mb1 = chatroomB.addMessage(1l,"peter", "Hallo, ich heiße Uwe!").block();
+    Message mb2 = chatroomB.addMessage(1l, "ute", "Ich bin Ute...").block();
+    Message mb3 = chatroomB.addMessage(1l, "klaus", "Willst du mit mir gehen?").block();
+    Message mb4 = chatroomB.addMessage(2l, "peter", "Hä? Was jetzt?!? Isch glohb isch höb ühn däjah vüh...").block();
+
+    assertThat(chathome.getChatRooms().toStream()).containsExactlyInAnyOrderElementsOf(List.of(chatroomA, chatroomB));
+    assertThat(chathome.getChatRoom(chatroomA.getId())).emitsExactly(chatroomA);
+    assertThat(chathome
+        .getChatRoom(chatroomA.getId())
+        .flatMapMany(cr -> cr.getMessages())).emitsExactly(ma1, ma2, ma3, ma4);
+    assertThat(chathome.getChatRoom(chatroomB.getId())).emitsExactly(chatroomB);
+    assertThat(chathome
+        .getChatRoom(chatroomB.getId())
+        .flatMapMany(cr -> cr.getMessages())).emitsExactly(mb1, mb2, mb3, mb4);
+
+    stop();
+    start();
+
+    assertThat(chathome.getChatRooms().toStream()).containsExactlyInAnyOrderElementsOf(List.of(chatroomA, chatroomB));
+    assertThat(chathome.getChatRoom(chatroomA.getId())).emitsExactly(chatroomA);
+    assertThat(chathome
+        .getChatRoom(chatroomA.getId())
+        .flatMapMany(cr -> cr.getMessages())).emitsExactly(ma1, ma2, ma3, ma4);
+    assertThat(chathome.getChatRoom(chatroomB.getId())).emitsExactly(chatroomB);
+    assertThat(chathome
+        .getChatRoom(chatroomB.getId())
+        .flatMapMany(cr -> cr.getMessages())).emitsExactly(mb1, mb2, mb3, mb4);
+  }
+
+
+  interface StorageStrategyITConfig
+  {
+    ChatHomeService getChatHomeService();
+    ChatRoomFactory getChatRoomFactory();
+  }
 }