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.common.utils;
  
  import org.junit.jupiter.api.Test;
  
  import java.io.File;
  import java.net.URL;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNotNull;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  class VersionUtilsTest {
      
      @Test
      void testVersionCompareLt() {
          assertTrue(VersionUtils.compareVersion("1.2.0", "1.2.1") < 0);
          assertTrue(VersionUtils.compareVersion("0.2.0", "1.2.0") < 0);
          assertTrue(VersionUtils.compareVersion("1.2.0", "1.3.0") < 0);
      }
      
      @Test
      void testVersionCompareGt() {
          assertTrue(VersionUtils.compareVersion("1.2.2", "1.2.1") > 0);
          assertTrue(VersionUtils.compareVersion("2.2.0", "1.2.0") > 0);
          assertTrue(VersionUtils.compareVersion("1.3.0", "1.2.0") > 0);
      }
      
      @Test
      void testVersionCompareEt() {
          assertEquals(0, VersionUtils.compareVersion("1.2.1", "1.2.1"));
      }
      
      @Test
      void testVersionCompareLtWithChar() {
          assertTrue(VersionUtils.compareVersion("1.2.0-beta", "1.2.1") < 0);
      }
      
      @Test
      void testVersionCompareGtWithChar() {
          assertTrue(VersionUtils.compareVersion("1.2.2-beta", "1.2.1-beta") > 0);
      }
      
      @Test
      void testVersionCompareEtWithChar() {
          assertEquals(0, VersionUtils.compareVersion("1.2.1", "1.2.1-beta"));
      }
      
      @Test
      void testVersionCompareResourceNotExist() {
          URL resource = VersionUtils.class.getClassLoader().getResource("nacos-version.txt");
          assertNotNull(resource);
          File originFile = new File(resource.getFile());
          File tempFile = new File(originFile.getAbsolutePath() + ".rename");
          assertTrue(originFile.renameTo(tempFile));
          
          // not throw any exception
          VersionUtils.compareVersion("1.2.1", "1.2.1");
          
          assertTrue(tempFile.renameTo(originFile));
      }
      
      @Test
      void testVersionCompareVersionNotValid1() {
          assertThrows(IllegalArgumentException.class, () -> {
              VersionUtils.compareVersion("1.2.1.1", "1.2.1.1");
          });
      }
      
      @Test
      void testVersionCompareVersionNotValid2() {
          assertThrows(IllegalArgumentException.class, () -> {
              VersionUtils.compareVersion("1.2.1", "1.2.1.1");
          });
      }
      
      @Test
      void testVersionCompareVersionNotValid3() {
          assertThrows(IllegalArgumentException.class, () -> {
              VersionUtils.compareVersion("1.2.1.1", "1.2.1");
          });
      }
      
      @Test
      void testFullClientVersion() {
          assertNotNull(VersionUtils.getFullClientVersion());
          assertTrue(VersionUtils.getFullClientVersion().startsWith("Nacos-Java-Client:v"));
      }
  }