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
  10 import static pl.rzrz.assertj.reactor.Assertions.*;
  11
  12
  13 @Slf4j
  14 public abstract class AbstractStorageStrategyIT
  15 {
  16   protected ChatHome chathome;
  17   protected ChatRoomFactory chatRoomFactory;
  18
  19
  20   protected abstract StorageStrategy getStorageStrategy();
  21   protected abstract StorageStrategyITConfig getConfig();
  22
  23   protected void start()
  24   {
  25     StorageStrategyITConfig config = getConfig();
  26     chathome = new ChatHome(config.getChatHomeService());
  27     chatRoomFactory = config.getChatRoomFactory();
  28   }
  29
  30   protected void stop()
  31   {
  32     getStorageStrategy().write(chathome.getChatRooms());
  33   }
  34
  35   @Test
  36   protected void testStoreAndRecreate()
  37   {
  38     start();
  39
  40     assertThat(chathome.getChatRooms().toStream()).hasSize(0);
  41
  42     UUID chatRoomId = UUID.fromString("5c73531c-6fc4-426c-adcb-afc5c140a0f7");
  43     ChatRoomInfo info = chatRoomFactory.createChatRoom(chatRoomId, "FOO").block();
  44     log.debug("Created chat-room {}", info);
  45     ChatRoom chatroom = chathome.getChatRoom(chatRoomId).block();
  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
  67   @Test
  68   protected void testStoreAndRecreateParallelChatRooms()
  69   {
  70     start();
  71
  72     assertThat(chathome.getChatRooms().toStream()).hasSize(0);
  73
  74     UUID chatRoomAId = UUID.fromString("5c73531c-6fc4-426c-adcb-afc5c140a0f7");
  75     ChatRoomInfo infoA = chatRoomFactory.createChatRoom(chatRoomAId, "FOO").block();
  76     log.debug("Created chat-room {}", infoA);
  77     ChatRoom chatroomA = chathome.getChatRoom(chatRoomAId).block();
  78     Message ma1 = chatroomA.addMessage(1l,"peter", "Hallo, ich heiße Peter!").block();
  79     Message ma2 = chatroomA.addMessage(1l, "ute", "Ich bin Ute...").block();
  80     Message ma3 = chatroomA.addMessage(2l, "peter", "Willst du mit mir gehen?").block();
  81     Message ma4 = chatroomA.addMessage(1l, "klaus", "Ja? Nein? Vielleicht??").block();
  82
  83     UUID chatRoomBId = UUID.fromString("8763dfdc-4dda-4a74-bea4-4b389177abea");
  84     ChatRoomInfo infoB = chatRoomFactory.createChatRoom(chatRoomBId, "BAR").block();
  85     log.debug("Created chat-room {}", infoB);
  86     ChatRoom chatroomB = chathome.getChatRoom(chatRoomBId).block();
  87     Message mb1 = chatroomB.addMessage(1l,"peter", "Hallo, ich heiße Uwe!").block();
  88     Message mb2 = chatroomB.addMessage(1l, "ute", "Ich bin Ute...").block();
  89     Message mb3 = chatroomB.addMessage(1l, "klaus", "Willst du mit mir gehen?").block();
  90     Message mb4 = chatroomB.addMessage(2l, "peter", "Hä? Was jetzt?!? Isch glohb isch höb ühn däjah vüh...").block();
  91
  92     assertThat(chathome.getChatRooms().toStream()).containsExactlyInAnyOrderElementsOf(List.of(chatroomA, chatroomB));
  93     assertThat(chathome.getChatRoom(chatroomA.getId())).emitsExactly(chatroomA);
  94     assertThat(chathome
  95         .getChatRoom(chatroomA.getId())
  96         .flatMapMany(cr -> cr.getMessages())).emitsExactly(ma1, ma2, ma3, ma4);
  97     assertThat(chathome.getChatRoom(chatroomB.getId())).emitsExactly(chatroomB);
  98     assertThat(chathome
  99         .getChatRoom(chatroomB.getId())
 100         .flatMapMany(cr -> cr.getMessages())).emitsExactly(mb1, mb2, mb3, mb4);
 101
 102     stop();
 103     start();
 104
 105     assertThat(chathome.getChatRooms().toStream()).containsExactlyInAnyOrderElementsOf(List.of(chatroomA, chatroomB));
 106     assertThat(chathome.getChatRoom(chatroomA.getId())).emitsExactly(chatroomA);
 107     assertThat(chathome
 108         .getChatRoom(chatroomA.getId())
 109         .flatMapMany(cr -> cr.getMessages())).emitsExactly(ma1, ma2, ma3, ma4);
 110     assertThat(chathome.getChatRoom(chatroomB.getId())).emitsExactly(chatroomB);
 111     assertThat(chathome
 112         .getChatRoom(chatroomB.getId())
 113         .flatMapMany(cr -> cr.getMessages())).emitsExactly(mb1, mb2, mb3, mb4);
 114   }
 115
 116
 117   interface StorageStrategyITConfig
 118   {
 119     ChatHomeService getChatHomeService();
 120     ChatRoomFactory getChatRoomFactory();
 121   }
 122 }