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.client.config.utils;
  
  import org.junit.jupiter.api.Test;
  
  import java.util.Arrays;
  
  import static com.alibaba.nacos.api.common.Constants.WORD_SEPARATOR;
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class ContentUtilsTest {
      
      @Test
      void testVerifyIncrementPubContent() {
          String content = "aabbb";
          ContentUtils.verifyIncrementPubContent(content);
      }
      
      @Test
      void testVerifyIncrementPubContentFail1() {
          Throwable exception = assertThrows(IllegalArgumentException.class, () -> {
              String content = null;
              ContentUtils.verifyIncrementPubContent(content);
          });
          assertTrue(exception.getMessage().contains("publish/delete content can not be null"));
      }
      
      @Test
      void testVerifyIncrementPubContentFail2() {
          Throwable exception = assertThrows(IllegalArgumentException.class, () -> {
              String content = "aa\rbbb";
              ContentUtils.verifyIncrementPubContent(content);
          });
          assertTrue(exception.getMessage().contains("publish/delete content can not contain return and linefeed"));
      }
      
      @Test
      void testVerifyIncrementPubContentFail3() {
          Throwable exception = assertThrows(IllegalArgumentException.class, () -> {
              String content = "";
              ContentUtils.verifyIncrementPubContent(content);
          });
          assertTrue(exception.getMessage().contains("publish/delete content can not be null"));
      }
      
      @Test
      void testVerifyIncrementPubContentFail4() {
          Throwable exception = assertThrows(IllegalArgumentException.class, () -> {
              String content = "aa" + WORD_SEPARATOR + "bbb";
              ContentUtils.verifyIncrementPubContent(content);
          });
          assertTrue(exception.getMessage().contains("publish/delete content can not contain(char)2"));
      }
      
      @Test
      void testGetContentIdentity() {
          String content = "aa" + WORD_SEPARATOR + "bbb";
          String content1 = ContentUtils.getContentIdentity(content);
          assertEquals("aa", content1);
      }
      
      @Test
      void testGetContentIdentityFail() {
          assertThrows(IllegalArgumentException.class, () -> {
              String content = "aabbb";
              ContentUtils.getContentIdentity(content);
          });
      }
      
      @Test
      void testGetContent() {
          String content = "aa" + WORD_SEPARATOR + "bbb";
          String content1 = ContentUtils.getContent(content);
          assertEquals("bbb", content1);
      }
      
      @Test
      void testGetContentFail() {
          assertThrows(IllegalArgumentException.class, () -> {
              String content = "aabbb";
              ContentUtils.getContent(content);
          });
      }
      
      @Test
      void testTruncateContent() {
          String content = "aa";
          String actual = ContentUtils.truncateContent(content);
          assertEquals(content, actual);
      }
      
      @Test
      void testTruncateLongContent() {
          char[] arr = new char[101];
          Arrays.fill(arr, 'a');
          String content = new String(arr);
          String actual = ContentUtils.truncateContent(content);
          assertEquals(content.substring(0, 100) + "...", actual);
      }
      
      @Test
      void testTruncateContentNull() {
          String actual = ContentUtils.truncateContent(null);
          assertEquals("", actual);
      }
  }