X-Git-Url: http://juplo.de/gitweb/?a=blobdiff_plain;f=src%2Ftest%2Fjava%2Fde%2Fjuplo%2Fkafka%2Fchat%2Fbackend%2Fdomain%2FChatRoomDataTest.java;h=e0e1a954f74016285d35150a945a1e26dc054a4b;hb=af0fcdb0c41127576b7826513287de0f74d72abf;hp=389d12a57e0c1c9150829a9d3c31b09f89c48231;hpb=28f3fec9919502e92d2a551fc9d87731669a89f2;p=demos%2Fkafka%2Fchat

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 389d12a5..e0e1a954 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
@@ -1,14 +1,15 @@
 package de.juplo.kafka.chat.backend.domain;
 
+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.Clock;
-import java.time.Instant;
-import java.time.LocalDateTime;
-import java.time.ZoneId;
+import java.time.*;
+import java.util.LinkedList;
+import java.util.List;
 
 import static org.mockito.Mockito.*;
 import static pl.rzrz.assertj.reactor.Assertions.assertThat;
@@ -35,6 +36,7 @@ public class ChatRoomDataTest
         now,
         chatMessageService,
         8);
+    chatRoomData.activate();
 
     user = "foo";
     messageId = 1l;
@@ -185,6 +187,235 @@ 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 an inactive 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()
+  {
+    // 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()));
+
+    // When
+    List<Message> receivedMessages = new LinkedList<>();
+    chatRoomData
+        .listen()
+        .subscribe(receivedMessage -> receivedMessages.add(receivedMessage));
+    Message sentMessage = chatRoomData
+        .addMessage(messageId, user, "Some Text")
+        .block();
+
+    // Then
+    Awaitility
+        .await()
+        .atMost(Duration.ofSeconds(1))
+        .untilAsserted(() -> assertThat(receivedMessages).contains(sentMessage));
+  }
+
+  @Test
+  @DisplayName("Assert, that a listener receives a message, that was added before the listening had started")
+  void testListenerReceivesMessageAddedBeforeListeningStarts()
+  {
+    // 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()));
+
+    // When
+    Message sentMessage = chatRoomData
+        .addMessage(messageId, user, "Some Text")
+        .block();
+    List<Message> receivedMessages = new LinkedList<>();
+    chatRoomData
+        .listen()
+        .subscribe(receivedMessage -> receivedMessages.add(receivedMessage));
+
+    // Then
+    Awaitility
+        .await()
+        .atMost(Duration.ofSeconds(1))
+        .untilAsserted(() -> assertThat(receivedMessages).contains(sentMessage));
+  }
+
+  @Test
+  @DisplayName("Assert, that a listener receives several messages, that were added before and after the listening had started, in correct order")
+  void testListenerReceivesMessagesFromBeforeAndAfterListeningHadStartedInCorrectOrder()
+  {
+    // 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));
+
+    // When
+    Message[] sentMessages = new Message[4];
+    sentMessages[0] = chatRoomData.addMessage(messageId, user, "Some Text").block();
+    sentMessages[1] = chatRoomData.addMessage(messageId, user, "Some Text").block();
+    List<Message> receivedMessages = new LinkedList<>();
+    chatRoomData
+        .listen()
+        .subscribe(receivedMessage -> receivedMessages.add(receivedMessage));
+    sentMessages[2] = chatRoomData.addMessage(messageId, user, "Some Text").block();
+    sentMessages[3] = chatRoomData.addMessage(messageId, user, "Some Text").block();
+
+    // Then
+    Awaitility
+        .await()
+        .atMost(Duration.ofSeconds(1))
+        .untilAsserted(() -> assertThat(receivedMessages).contains(sentMessages));
+  }
+
+  @Test
+  @DisplayName("Assert, that multiple listeners can receive an added message")
+  void testMultipleListeners()
+  {
+    // 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));
+
+    // When
+    Message[] sentMessages = new Message[4];
+    List<Message> messagesReceivedByListener1 = new LinkedList<>();
+    chatRoomData
+        .listen()
+        .subscribe(receivedMessage -> messagesReceivedByListener1.add(receivedMessage));
+    sentMessages[0] = chatRoomData.addMessage(messageId, user, "Some Text").block();
+    sentMessages[1] = chatRoomData.addMessage(messageId, user, "Some Text").block();
+    List<Message> messagesReceivedByListener2 = new LinkedList<>();
+    chatRoomData
+        .listen()
+        .subscribe(receivedMessage -> messagesReceivedByListener2.add(receivedMessage));
+    sentMessages[2] = chatRoomData.addMessage(messageId, user, "Some Text").block();
+    List<Message> messagesReceivedByListener3 = new LinkedList<>();
+    chatRoomData
+        .listen()
+        .subscribe(receivedMessage -> messagesReceivedByListener3.add(receivedMessage));
+    sentMessages[3] = chatRoomData.addMessage(messageId, user, "Some Text").block();
+    List<Message> messagesReceivedByListener4 = new LinkedList<>();
+    chatRoomData
+        .listen()
+        .subscribe(receivedMessage -> messagesReceivedByListener4.add(receivedMessage));
+
+    // Then
+    Awaitility
+        .await()
+        .atMost(Duration.ofSeconds(1))
+        .untilAsserted(() ->
+        {
+          assertThat(messagesReceivedByListener1).contains(sentMessages);
+          assertThat(messagesReceivedByListener2).contains(sentMessages);
+          assertThat(messagesReceivedByListener3).contains(sentMessages);
+          assertThat(messagesReceivedByListener4).contains(sentMessages);
+        });
+  }
+
+  @Test
+  @DisplayName("Assert, that a listended to chat-room emits completed, if it is deactivated")
+  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,