content: /*
   * Copyright 1999-2023 Alibaba Group Holding Ltd.
   *
   * Licensed 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
   *
   *      http://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 com.alibaba.nacos.api.remote.request;
  
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import java.util.Collections;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class RequestTest {
      
      @BeforeEach
      void setUp() throws Exception {
      }
      
      @Test
      void testHeader() {
          MockRequest request = new MockRequest();
          assertTrue(request.getHeaders().isEmpty());
          assertNull(request.getHeader("clientIp"));
          assertEquals("1.1.1.1", request.getHeader("clientIp", "1.1.1.1"));
          
          request.putHeader("clientIp", "2.2.2.2");
          assertEquals(1, request.getHeaders().size());
          assertEquals("2.2.2.2", request.getHeader("clientIp"));
          assertEquals("2.2.2.2", request.getHeader("clientIp", "1.1.1.1"));
          
          request.putAllHeader(Collections.singletonMap("connectionId", "aaa"));
          assertEquals(2, request.getHeaders().size());
          request.putAllHeader(null);
          assertEquals(2, request.getHeaders().size());
          
          request.clearHeaders();
          assertTrue(request.getHeaders().isEmpty());
      }
      
      private static class MockRequest extends Request {
          
          @Override
          public String getModule() {
              return "mock";
          }
      }
  }