content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *    https://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.bigtop.manager.ai.core.enums;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.List;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  public class MessageTypeTest {
  
      @Test
      public void testGetSenders() {
          List<String> senders = MessageType.getSenders();
          assertEquals(3, senders.size());
          assertTrue(senders.contains("user"));
          assertTrue(senders.contains("ai"));
          assertTrue(senders.contains("system"));
      }
  
      @Test
      public void testGetMessageSender() {
          assertEquals(MessageType.USER, MessageType.getMessageSender("user"));
          assertEquals(MessageType.AI, MessageType.getMessageSender("ai"));
          assertEquals(MessageType.SYSTEM, MessageType.getMessageSender("system"));
          assertNull(MessageType.getMessageSender(""));
          assertNull(MessageType.getMessageSender(null));
          assertNull(MessageType.getMessageSender("unknown"));
      }
  }
  