+
+ @Test
+ @DisplayName("Assert expected problem-details for message mutation on PUT /put/{chatroomId}/{username}/{messageId}")
+ void testMessageMutationException(@Autowired WebTestClient client) throws Exception
+ {
+ // Given
+ UUID chatroomId = UUID.randomUUID();
+ String username = "foo";
+ Long messageId = 66l;
+ ChatRoom chatRoom = mock(ChatRoom.class);
+ when(chatHome.getChatroom(any(UUID.class)))
+ .thenReturn(Optional.of(chatRoom));
+ Message.MessageKey key = Message.MessageKey.of("foo", 1l);
+ LocalDateTime timestamp = LocalDateTime.now();
+ Message mutated = new Message(key, 0l, timestamp, "Mutated!");
+ Message existing = new Message(key, 0l, timestamp, "Existing");
+ when(chatRoom.addMessage(any(Long.class), any(String.class), any(String.class)))
+ .thenThrow(new MessageMutationException(mutated, existing));
+
+ // When
+ client
+ .put()
+ .uri(
+ "/put/{chatroomId}/{username}/{messageId}",
+ chatroomId,
+ username,
+ messageId)
+ .bodyValue("bar")
+ .accept(MediaType.APPLICATION_JSON)
+ .exchange()
+ // Then
+ .expectStatus().is4xxClientError()
+ .expectBody()
+ .jsonPath("$.type").isEqualTo("/problem/message-mutation")
+ .jsonPath("$.mutatedMessage.text").isEqualTo("Mutated!")
+ .jsonPath("$.existingMessage.text").isEqualTo("Existing");
+ }