content: /*
   * Copyright 1999-2018 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.config.server.utils;
  
  import org.junit.Assert;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  import javax.servlet.http.HttpServletRequest;
  
  import static org.mockito.ArgumentMatchers.eq;
  
  public class RequestUtilTest {
  
      private static final String X_REAL_IP = "X-Real-IP";
      private static final String X_FORWARDED_FOR = "X-Forwarded-For";
  
      @Test
      public void getRemoteIp() {
          HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
  
          Mockito.when(request.getRemoteAddr()).thenReturn("127.0.0.1");
          Assert.assertEquals(RequestUtil.getRemoteIp(request), "127.0.0.1");
  
          Mockito.when(request.getHeader(eq(X_REAL_IP))).thenReturn("127.0.0.2");
          Assert.assertEquals(RequestUtil.getRemoteIp(request), "127.0.0.2");
  
          Mockito.when(request.getHeader(eq(X_FORWARDED_FOR))).thenReturn("127.0.0.3");
          Assert.assertEquals(RequestUtil.getRemoteIp(request), "127.0.0.3");
  
          Mockito.when(request.getHeader(eq(X_FORWARDED_FOR))).thenReturn("127.0.0.3, 127.0.0.4");
          Assert.assertEquals(RequestUtil.getRemoteIp(request), "127.0.0.3");
  
          Mockito.when(request.getHeader(eq(X_FORWARDED_FOR))).thenReturn("");
          Assert.assertEquals(RequestUtil.getRemoteIp(request), "127.0.0.2");
  
          Mockito.when(request.getHeader(eq(X_REAL_IP))).thenReturn("");
          Assert.assertEquals(RequestUtil.getRemoteIp(request), "127.0.0.1");
      }
  
  
      @Test
      public void getAppName() {
          HttpServletRequest request = Mockito.mock(HttpServletRequest.class);
          Mockito.when(request.getHeader(eq(RequestUtil.CLIENT_APPNAME_HEADER))).thenReturn("test");
          Assert.assertEquals(RequestUtil.getAppName(request), "test");
      }
  }
  