1 package de.juplo.kafka.chat.backend.domain;
3 import org.junit.jupiter.api.BeforeEach;
4 import org.junit.jupiter.api.DisplayName;
5 import org.junit.jupiter.api.Test;
6 import reactor.core.publisher.Mono;
8 import java.time.Clock;
9 import java.time.Instant;
10 import java.time.LocalDateTime;
11 import java.time.ZoneId;
13 import static org.mockito.Mockito.*;
14 import static pl.rzrz.assertj.reactor.Assertions.assertThat;
17 public class ChatRoomDataTest
20 ChatMessageService chatMessageService;
21 ChatRoomData chatRoomData;
25 Message.MessageKey key;
26 LocalDateTime timestamp;
32 now = Clock.fixed(Instant.now(), ZoneId.systemDefault());
33 chatMessageService = mock(ChatMessageService.class);
34 chatRoomData = new ChatRoomData(
35 Clock.systemDefaultZone(),
41 key = Message.MessageKey.of(user, messageId);
42 timestamp = LocalDateTime.now(now);
47 @DisplayName("Assert, that Mono emits expected message, if it exists")
48 void testGetExistingMessage()
51 Message message = new Message(key, 0l, timestamp, "Bar");
52 when(chatMessageService.getMessage(any(Message.MessageKey.class))).thenReturn(Mono.just(message));
55 Mono<Message> mono = chatRoomData.getMessage(user, messageId);
58 assertThat(mono).emitsExactly(message);
62 @DisplayName("Assert, that Mono is empty, if message does not exists")
63 void testGetNonExistentMessage()
66 when(chatMessageService.getMessage(any(Message.MessageKey.class))).thenReturn(Mono.empty());
69 Mono<Message> mono = chatRoomData.getMessage(user, messageId);
72 assertThat(mono).emitsCount(0);
76 @DisplayName("Assert, that Mono emits expected message, if a new message is added")
77 void testAddNewMessage()
80 String messageText = "Bar";
81 Message message = new Message(key, 0l, timestamp, messageText);
82 when(chatMessageService.getMessage(any(Message.MessageKey.class))).thenReturn(Mono.empty());
83 when(chatMessageService.persistMessage(any(Message.MessageKey.class), any(LocalDateTime.class), any(String.class))).thenReturn(Mono.just(message));
86 Mono<Message> mono = chatRoomData.addMessage(messageId, user, messageText);
89 assertThat(mono).emitsExactly(message);
93 @DisplayName("Assert, that Mono emits expected message, if an unchanged message is added")
94 void testAddUnchangedMessage()
97 String messageText = "Bar";
98 Message message = new Message(key, 0l, timestamp, messageText);
99 when(chatMessageService.getMessage(any(Message.MessageKey.class))).thenReturn(Mono.just(message));
100 when(chatMessageService.persistMessage(any(Message.MessageKey.class), any(LocalDateTime.class), any(String.class))).thenReturn(Mono.just(message));
103 Mono<Message> mono = chatRoomData.addMessage(messageId, user, messageText);
106 assertThat(mono).emitsExactly(message);
110 @DisplayName("Assert, that Mono sends an error, if a message is added again with mutated text")
111 void testAddMutatedMessage()
114 String messageText = "Bar";
115 String mutatedText = "Boom!";
116 Message message = new Message(key, 0l, timestamp, messageText);
117 when(chatMessageService.getMessage(any(Message.MessageKey.class))).thenReturn(Mono.just(message));
118 when(chatMessageService.persistMessage(any(Message.MessageKey.class), any(LocalDateTime.class), any(String.class))).thenReturn(Mono.just(message));
121 Mono<Message> mono = chatRoomData.addMessage(messageId, user, mutatedText);
124 assertThat(mono).sendsError();