fix: Refined `ChatBackendControllerTest` and fixed a bug in `ChatRoom`

[demos/kafka/chat] / src / main / java / de / juplo / kafka / chat / backend / domain / ChatRoom.java

diff --git a/src/main/java/de/juplo/kafka/chat/backend/domain/ChatRoom.java b/src/main/java/de/juplo/kafka/chat/backend/domain/ChatRoom.java
index 58efa54..35d0c3d 100644 (file)
--- a/src/main/java/de/juplo/kafka/chat/backend/domain/ChatRoom.java
+++ b/src/main/java/de/juplo/kafka/chat/backend/domain/ChatRoom.java
@@ -56,7 +56,7 @@ public class ChatRoom
             : Mono.error(() -> new MessageMutationException(existing, text)))
         .switchIfEmpty(
             Mono
-                .just(service.persistMessage(key, LocalDateTime.now(clock), text))
+                .fromSupplier(() ->service.persistMessage(key, LocalDateTime.now(clock), text))
                 .doOnNext(m ->
                 {
                   Sinks.EmitResult result = sink.tryEmitNext(m);