juplo.de Git - demos/kafka/chat/blob - src/test/java/de/juplo/kafka/chat/backend/persistence/AbstractStorageStrategyIT.java

   1 package de.juplo.kafka.chat.backend.persistence;
   2
   3 import de.juplo.kafka.chat.backend.domain.*;
   4 import lombok.extern.slf4j.Slf4j;
   5 import org.junit.jupiter.api.Test;
   6
   7 import java.util.List;
   8 import java.util.UUID;
   9 import java.util.function.Supplier;
  10
  11 import static pl.rzrz.assertj.reactor.Assertions.*;
  12
  13
  14 @Slf4j
  15 public abstract class AbstractStorageStrategyIT
  16 {
  17   protected ChatHome chathome;
  18   protected ChatRoomFactory chatRoomFactory;
  19
  20
  21   protected abstract StorageStrategy getStorageStrategy();
  22   protected abstract Supplier<ChatHomeService> getChatHomeServiceSupplier();
  23   protected abstract ChatRoomFactory getChatRoomFactory();
  24
  25   protected void start()
  26   {
  27     chathome = new SimpleChatHome(getChatHomeServiceSupplier().get());
  28     chatRoomFactory = getChatRoomFactory();
  29   }
  30
  31   protected void stop()
  32   {
  33     getStorageStrategy().write(chathome.getChatRooms());
  34   }
  35
  36   @Test
  37   protected void testStoreAndRecreate()
  38   {
  39     start();
  40
  41     assertThat(chathome.getChatRooms().toStream()).hasSize(0);
  42
  43     UUID chatRoomId = UUID.fromString("5c73531c-6fc4-426c-adcb-afc5c140a0f7");
  44     ChatRoom chatroom = chatRoomFactory.createChatRoom(chatRoomId, "FOO").block();
  45     chathome.putChatRoom(chatroom);
  46     Message m1 = chatroom.addMessage(1l,"peter", "Hallo, ich heiße Peter!").block();
  47     Message m2 = chatroom.addMessage(1l, "ute", "Ich bin Ute...").block();
  48     Message m3 = chatroom.addMessage(2l, "peter", "Willst du mit mir gehen?").block();
  49     Message m4 = chatroom.addMessage(1l, "klaus", "Ja? Nein? Vielleicht??").block();
  50
  51     assertThat(chathome.getChatRooms().toStream()).containsExactlyElementsOf(List.of(chatroom));
  52     assertThat(chathome.getChatRoom(chatroom.getId())).emitsExactly(chatroom);
  53     assertThat(chathome
  54         .getChatRoom(chatroom.getId())
  55         .flatMapMany(cr -> cr.getMessages())).emitsExactly(m1, m2, m3, m4);
  56
  57     stop();
  58     start();
  59
  60     assertThat(chathome.getChatRooms().toStream()).containsExactlyElementsOf(List.of(chatroom));
  61     assertThat(chathome.getChatRoom(chatroom.getId())).emitsExactly(chatroom);
  62     assertThat(chathome
  63         .getChatRoom(chatroom.getId())
  64         .flatMapMany(cr -> cr.getMessages())).emitsExactly(m1, m2, m3, m4);
  65   }
  66 }