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.core.utils;
  
  import com.alibaba.nacos.common.http.HttpUtils;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.mockito.Mockito;
  import org.springframework.mock.web.MockMultipartHttpServletRequest;
  import org.springframework.web.multipart.MultipartException;
  
  import java.nio.charset.StandardCharsets;
  import java.util.HashMap;
  import java.util.Map;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.mockito.Mockito.when;
  
  /**
   * {@link ReuseUploadFileHttpServletRequest} unit tests.
   *
   * @author lynn.lqp
   * @date 2023/12/28
   */
  
  class ReuseUploadFileHttpServletRequestTest {
      
      private ReuseUploadFileHttpServletRequest reuseUploadFileHttpServletRequest;
      
      private MockMultipartHttpServletRequest mockMultipartHttpServletRequest;
      
      @BeforeEach
      void setUp() throws MultipartException {
          mockMultipartHttpServletRequest = Mockito.mock(MockMultipartHttpServletRequest.class);
          when(mockMultipartHttpServletRequest.getParameterMap()).thenReturn(new HashMap<>());
          reuseUploadFileHttpServletRequest = new ReuseUploadFileHttpServletRequest(mockMultipartHttpServletRequest);
      }
      
      @Test
      void testGetParameterMapEmpty() {
          Map<String, String[]> parameterMap = reuseUploadFileHttpServletRequest.getParameterMap();
          assertEquals(0, parameterMap.size());
      }
      
      @Test
      void testGetParameterEmpty() {
          assertNull(reuseUploadFileHttpServletRequest.getParameter("nonExistentParam"));
      }
      
      @Test
      void testGetParameterValuesEmpty() {
          assertNull(reuseUploadFileHttpServletRequest.getParameterValues("nonExistentParam"));
      }
      
      @Test
      void testGetBodyWithoutFile() throws Exception {
          Object body = reuseUploadFileHttpServletRequest.getBody();
          assertEquals(HttpUtils.encodingParams(HttpUtils.translateParameterMap(new HashMap<>()), StandardCharsets.UTF_8.name()), body);
      }
      
  }
  