From 9bde1226e097e04c09f687a94148c0138a38f5b2 Mon Sep 17 00:00:00 2001
From: Kai Moritz <kai@juplo.de>
Date: Mon, 11 Mar 2024 15:45:15 +0100
Subject: [PATCH] =?utf8?q?TMP:test=20--=20`ChatRoomDataTest`=20--=20TODO:?=
 =?utf8?q?=20Anpassungen=20an=20Code=C3=A4nderungen=20durch=20FIX?=
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---
 .../chat/backend/domain/ChatRoomDataTest.java | 93 ++++++++++++++++++-
 1 file changed, 92 insertions(+), 1 deletion(-)

diff --git a/src/test/java/de/juplo/kafka/chat/backend/domain/ChatRoomDataTest.java b/src/test/java/de/juplo/kafka/chat/backend/domain/ChatRoomDataTest.java
index 1c11f936..a5c8918f 100644
--- a/src/test/java/de/juplo/kafka/chat/backend/domain/ChatRoomDataTest.java
+++ b/src/test/java/de/juplo/kafka/chat/backend/domain/ChatRoomDataTest.java
@@ -1,9 +1,10 @@
 package de.juplo.kafka.chat.backend.domain;
 
-import org.junit.jupiter.api.BeforeEach;
 import org.awaitility.Awaitility;
+import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
+import reactor.core.publisher.Flux;
 import reactor.core.publisher.Mono;
 
 import java.time.*;
@@ -35,6 +36,7 @@ public class ChatRoomDataTest
         now,
         chatMessageService,
         8);
+    chatRoomData.activate();
 
     user = "foo";
     messageId = 1l;
@@ -185,6 +187,47 @@ public class ChatRoomDataTest
     verify(chatMessageService, never()).persistMessage(any(), any(), any());
   }
 
+  @Test
+  @DisplayName("Assert, that Mono sends an error, if a message is sent to a closed chat-room")
+  void testAddMessageToClosedChatRoomSendsError()
+  {
+    // Given
+    when(chatMessageService.getMessage(any(Message.MessageKey.class)))
+        .thenReturn(Mono.empty());
+    when(chatMessageService.persistMessage(any(Message.MessageKey.class), any(LocalDateTime.class), any(String.class)))
+        .thenReturn(Mono.just(someMessage()));
+
+    chatRoomData.deactivate();
+
+    // When
+    Mono<Message> mono = chatRoomData.addMessage(messageId, user, "Some text");
+
+    // Then
+    assertThat(mono).sendsError();
+  }
+
+  @Test
+  @DisplayName("Assert, that ChatMessageService.persistMessage() is not called if a message is sent to a closed chat-room")
+  void testAddMessageToClosedChatRoomDoesNotTriggerPersistence()
+  {
+    // Given
+    when(chatMessageService.getMessage(any(Message.MessageKey.class)))
+        .thenReturn(Mono.empty());
+    when(chatMessageService.persistMessage(any(Message.MessageKey.class), any(LocalDateTime.class), any(String.class)))
+        .thenReturn(Mono.just(someMessage()));
+
+    chatRoomData.deactivate();
+
+    // When
+    chatRoomData
+        .addMessage(messageId, user, "Some text")
+        .onErrorResume((throwable) -> Mono.empty())
+        .block();
+
+    // Then
+    verify(chatMessageService, never()).persistMessage(any(), any(), any());
+  }
+
   @Test
   @DisplayName("Assert, that a listener receives a message, that was added after the listening had started")
   void testListenerReceivesMessageAddedAfterListeningStarts()
@@ -325,6 +368,54 @@ public class ChatRoomDataTest
         });
   }
 
+  @Test
+  @DisplayName("Assert, that a listended to chat-room emits completed, if it is closed")
+  void testListenedToChatRoomEmitsCompletedIfItIsClosed()
+  {
+    // Given
+    Message message1 = new Message(key, 1l, timestamp, "#1");
+    Message message2 = new Message(key, 2l, timestamp, "#2");
+    Message message3 = new Message(key, 3l, timestamp, "#3");
+    Message message4 = new Message(key, 4l, timestamp, "#4");
+    when(chatMessageService.getMessage(any(Message.MessageKey.class)))
+        .thenReturn(Mono.empty());
+    when(chatMessageService.persistMessage(any(Message.MessageKey.class), any(LocalDateTime.class), any(String.class)))
+        .thenReturn(Mono.just(message1))
+        .thenReturn(Mono.just(message2))
+        .thenReturn(Mono.just(message3))
+        .thenReturn(Mono.just(message4));
+
+    chatRoomData.addMessage(messageId, user, "Some Text").block();
+    chatRoomData.addMessage(messageId, user, "Some Text").block();
+    chatRoomData.addMessage(messageId, user, "Some Text").block();
+    chatRoomData.addMessage(messageId, user, "Some Text").block();
+
+    // When
+    Flux<Message> listenFlux = chatRoomData.listen();
+    chatRoomData.deactivate();
+
+    // Then
+    assertThat(listenFlux).emitsExactly(
+        message1,
+        message2,
+        message3,
+        message4);
+  }
+
+  @Test
+  @DisplayName("Assert, that a listended to chat-room emits completed, if it is closed")
+  void testListeningToClosedChatRoomSendsError()
+  {
+    // Given
+    chatRoomData.deactivate();
+
+    // When
+    Flux<Message> listenFlux = chatRoomData.listen();
+
+    // Then
+    assertThat(listenFlux).sendsError();
+  }
+
 
   /**
    * This message is used, when methods of {@link ChatMessageService} are mocked,
-- 
2.20.1