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 SimpleChatHome(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     ChatRoom chatroom = chatRoomFactory.createChatRoom(chatRoomId, "FOO").block();
  44     chathome.putChatRoom(chatroom);
  45     Message m1 = chatroom.addMessage(1l,"peter", "Hallo, ich heiße Peter!").block();
  46     Message m2 = chatroom.addMessage(1l, "ute", "Ich bin Ute...").block();
  47     Message m3 = chatroom.addMessage(2l, "peter", "Willst du mit mir gehen?").block();
  48     Message m4 = chatroom.addMessage(1l, "klaus", "Ja? Nein? Vielleicht??").block();
  49
  50     assertThat(chathome.getChatRooms().toStream()).containsExactlyElementsOf(List.of(chatroom));
  51     assertThat(chathome.getChatRoom(chatroom.getId())).emitsExactly(chatroom);
  52     assertThat(chathome
  53         .getChatRoom(chatroom.getId())
  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(chatroom.getId())).emitsExactly(chatroom);
  61     assertThat(chathome
  62         .getChatRoom(chatroom.getId())
  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     ChatRoom chatroomA = chatRoomFactory.createChatRoom(chatRoomAId, "FOO").block();
  75     chathome.putChatRoom(chatroomA);
  76     Message ma1 = chatroomA.addMessage(1l,"peter", "Hallo, ich heiße Peter!").block();
  77     Message ma2 = chatroomA.addMessage(1l, "ute", "Ich bin Ute...").block();
  78     Message ma3 = chatroomA.addMessage(2l, "peter", "Willst du mit mir gehen?").block();
  79     Message ma4 = chatroomA.addMessage(1l, "klaus", "Ja? Nein? Vielleicht??").block();
  80
  81     UUID chatRoomBId = UUID.fromString("8763dfdc-4dda-4a74-bea4-4b389177abea");
  82     ChatRoom chatroomB = chatRoomFactory.createChatRoom(chatRoomBId, "BAR").block();
  83     chathome.putChatRoom(chatroomB);
  84     Message mb1 = chatroomB.addMessage(1l,"peter", "Hallo, ich heiße Uwe!").block();
  85     Message mb2 = chatroomB.addMessage(1l, "ute", "Ich bin Ute...").block();
  86     Message mb3 = chatroomB.addMessage(1l, "klaus", "Willst du mit mir gehen?").block();
  87     Message mb4 = chatroomB.addMessage(2l, "peter", "Hä? Was jetzt?!? Isch glohb isch höb ühn däjah vüh...").block();
  88
  89     assertThat(chathome.getChatRooms().toStream()).containsExactlyInAnyOrderElementsOf(List.of(chatroomA, chatroomB));
  90     assertThat(chathome.getChatRoom(chatroomA.getId())).emitsExactly(chatroomA);
  91     assertThat(chathome
  92         .getChatRoom(chatroomA.getId())
  93         .flatMapMany(cr -> cr.getMessages())).emitsExactly(ma1, ma2, ma3, ma4);
  94     assertThat(chathome.getChatRoom(chatroomB.getId())).emitsExactly(chatroomB);
  95     assertThat(chathome
  96         .getChatRoom(chatroomB.getId())
  97         .flatMapMany(cr -> cr.getMessages())).emitsExactly(mb1, mb2, mb3, mb4);
  98
  99     stop();
 100     start();
 101
 102     assertThat(chathome.getChatRooms().toStream()).containsExactlyInAnyOrderElementsOf(List.of(chatroomA, chatroomB));
 103     assertThat(chathome.getChatRoom(chatroomA.getId())).emitsExactly(chatroomA);
 104     assertThat(chathome
 105         .getChatRoom(chatroomA.getId())
 106         .flatMapMany(cr -> cr.getMessages())).emitsExactly(ma1, ma2, ma3, ma4);
 107     assertThat(chathome.getChatRoom(chatroomB.getId())).emitsExactly(chatroomB);
 108     assertThat(chathome
 109         .getChatRoom(chatroomB.getId())
 110         .flatMapMany(cr -> cr.getMessages())).emitsExactly(mb1, mb2, mb3, mb4);
 111   }
 112
 113
 114   interface StorageStrategyITConfig
 115   {
 116     ChatHomeService getChatHomeService();
 117     ChatRoomFactory getChatRoomFactory();
 118   }
 119 }