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
  18
  19   protected abstract StorageStrategy getStorageStrategy();
  20   protected abstract StorageStrategyITConfig getConfig();
  21
  22   protected void start()
  23   {
  24     StorageStrategyITConfig config = getConfig();
  25     chathome = config.getChatHome();
  26   }
  27
  28   protected void stop()
  29   {
  30     getStorageStrategy().write(chathome.getChatRooms());
  31   }
  32
  33   @Test
  34   protected void testStoreAndRecreate()
  35   {
  36     start();
  37
  38     assertThat(chathome.getChatRooms().toStream()).hasSize(0);
  39
  40     UUID chatRoomId = UUID.fromString("5c73531c-6fc4-426c-adcb-afc5c140a0f7");
  41     ChatRoomInfo info = chathome.createChatRoom(chatRoomId, "FOO").block();
  42     log.debug("Created chat-room {}", info);
  43     ChatRoom chatroom = chathome.getChatRoom(chatRoomId).block();
  44     Message m1 = chatroom.addMessage(1l,"peter", "Hallo, ich heiße Peter!").block();
  45     Message m2 = chatroom.addMessage(1l, "ute", "Ich bin Ute...").block();
  46     Message m3 = chatroom.addMessage(2l, "peter", "Willst du mit mir gehen?").block();
  47     Message m4 = chatroom.addMessage(1l, "klaus", "Ja? Nein? Vielleicht??").block();
  48
  49
  50     assertThat(chathome.getChatRooms().toStream()).containsExactlyElementsOf(List.of(chatroom));
  51     assertThat(chathome.getChatRoom(chatRoomId)).emitsExactly(chatroom);
  52     assertThat(chathome
  53         .getChatRoom(chatRoomId)
  54         .flatMapMany(cr -> cr.getMessages())).emitsExactly(m1, m2, m3, m4);
  55
  56     stop();
  57     start();
  58
  59     assertThat(chathome.getChatRooms().toStream()).containsExactlyElementsOf(List.of(chatroom));
  60     assertThat(chathome.getChatRoom(chatRoomId)).emitsExactly(chatroom);
  61     assertThat(chathome
  62         .getChatRoom(chatRoomId)
  63         .flatMapMany(cr -> cr.getMessages())).emitsExactly(m1, m2, m3, m4);
  64   }
  65
  66   @Test
  67   protected void testStoreAndRecreateParallelChatRooms()
  68   {
  69     start();
  70
  71     assertThat(chathome.getChatRooms().toStream()).hasSize(0);
  72
  73     UUID chatRoomAId = UUID.fromString("5c73531c-6fc4-426c-adcb-afc5c140a0f7");
  74     ChatRoomInfo infoA = chathome.createChatRoom(chatRoomAId, "FOO").block();
  75     log.debug("Created chat-room {}", infoA);
  76     ChatRoom chatroomA = chathome.getChatRoom(chatRoomAId).block();
  77     Message ma1 = chatroomA.addMessage(1l,"peter", "Hallo, ich heiße Peter!").block();
  78     Message ma2 = chatroomA.addMessage(1l, "ute", "Ich bin Ute...").block();
  79     Message ma3 = chatroomA.addMessage(2l, "peter", "Willst du mit mir gehen?").block();
  80     Message ma4 = chatroomA.addMessage(1l, "klaus", "Ja? Nein? Vielleicht??").block();
  81
  82     UUID chatRoomBId = UUID.fromString("8763dfdc-4dda-4a74-bea4-4b389177abea");
  83     ChatRoomInfo infoB = chathome.createChatRoom(chatRoomBId, "BAR").block();
  84     log.debug("Created chat-room {}", infoB);
  85     ChatRoom chatroomB = chathome.getChatRoom(chatRoomBId).block();
  86     Message mb1 = chatroomB.addMessage(1l,"peter", "Hallo, ich heiße Uwe!").block();
  87     Message mb2 = chatroomB.addMessage(1l, "ute", "Ich bin Ute...").block();
  88     Message mb3 = chatroomB.addMessage(1l, "klaus", "Willst du mit mir gehen?").block();
  89     Message mb4 = chatroomB.addMessage(2l, "peter", "Hä? Was jetzt?!? Isch glohb isch höb ühn däjah vüh...").block();
  90
  91     assertThat(chathome.getChatRooms().toStream()).containsExactlyInAnyOrderElementsOf(List.of(chatroomA, chatroomB));
  92     assertThat(chathome.getChatRoom(chatRoomAId)).emitsExactly(chatroomA);
  93     assertThat(chathome
  94         .getChatRoom(chatRoomAId)
  95         .flatMapMany(cr -> cr.getMessages())).emitsExactly(ma1, ma2, ma3, ma4);
  96     assertThat(chathome.getChatRoom(chatRoomBId)).emitsExactly(chatroomB);
  97     assertThat(chathome
  98         .getChatRoom(chatRoomBId)
  99         .flatMapMany(cr -> cr.getMessages())).emitsExactly(mb1, mb2, mb3, mb4);
 100
 101     stop();
 102     start();
 103
 104     assertThat(chathome.getChatRooms().toStream()).containsExactlyInAnyOrderElementsOf(List.of(chatroomA, chatroomB));
 105     assertThat(chathome.getChatRoom(chatRoomAId)).emitsExactly(chatroomA);
 106     assertThat(chathome
 107         .getChatRoom(chatRoomAId)
 108         .flatMapMany(cr -> cr.getMessages())).emitsExactly(ma1, ma2, ma3, ma4);
 109     assertThat(chathome.getChatRoom(chatRoomBId)).emitsExactly(chatroomB);
 110     assertThat(chathome
 111         .getChatRoom(chatRoomBId)
 112         .flatMapMany(cr -> cr.getMessages())).emitsExactly(mb1, mb2, mb3, mb4);
 113   }
 114
 115
 116   interface StorageStrategyITConfig
 117   {
 118     ChatHome getChatHome();
 119   }
 120 }