package org.codehaus.plexus.util;
   
   /*
    * Copyright The Codehaus Foundation.
    *
    * 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.
   */
  
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.condition.DisabledOnOs;
  import org.junit.jupiter.api.condition.EnabledOnOs;
  import org.junit.jupiter.api.condition.OS;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  
  /**
   * <p>PathToolTest class.</p>
   *
   * @author <a href="mailto:vincent.siveton@gmail.com">Vincent Siveton</a>
   * @since 3.4.0
   */
  class PathToolTest {
  
      @Test
      void getRelativePath() {
          assertEquals("", PathTool.getRelativePath(null, null));
          assertEquals("", PathTool.getRelativePath(null, "/usr/local/java/bin"));
          assertEquals("", PathTool.getRelativePath("/usr/local/", null));
          assertEquals("..", PathTool.getRelativePath("/usr/local/", "/usr/local/java/bin"));
          assertEquals("../..", PathTool.getRelativePath("/usr/local/", "/usr/local/java/bin/java.sh"));
          assertEquals("", PathTool.getRelativePath("/usr/local/java/bin/java.sh", "/usr/local/"));
      }
  
      @Test
      void getDirectoryComponent() {
          assertEquals("", PathTool.getDirectoryComponent(null));
          assertEquals("/usr/local/java", PathTool.getDirectoryComponent("/usr/local/java/bin"));
          assertEquals("/usr/local/java/bin", PathTool.getDirectoryComponent("/usr/local/java/bin/"));
          assertEquals("/usr/local/java/bin", PathTool.getDirectoryComponent("/usr/local/java/bin/java.sh"));
      }
  
      @Test
      void calculateLink() {
          assertEquals("../../index.html", PathTool.calculateLink("/index.html", "../.."));
          assertEquals(
                  "http://plexus.codehaus.org/plexus-utils/index.html",
                  PathTool.calculateLink("http://plexus.codehaus.org/plexus-utils/index.html", "../.."));
          assertEquals(
                  "../../usr/local/java/bin/java.sh", PathTool.calculateLink("/usr/local/java/bin/java.sh", "../.."));
          assertEquals(
                  "/usr/local/java/bin/../index.html", PathTool.calculateLink("../index.html", "/usr/local/java/bin"));
          assertEquals(
                  "http://plexus.codehaus.org/plexus-utils/../index.html",
                  PathTool.calculateLink("../index.html", "http://plexus.codehaus.org/plexus-utils"));
      }
  
      @Test
      void getRelativeWebPath() {
          assertEquals("", PathTool.getRelativeWebPath(null, null));
          assertEquals("", PathTool.getRelativeWebPath(null, "http://plexus.codehaus.org/"));
          assertEquals("", PathTool.getRelativeWebPath("http://plexus.codehaus.org/", null));
          assertEquals(
                  "plexus-utils/index.html",
                  PathTool.getRelativeWebPath(
                          "http://plexus.codehaus.org/", "http://plexus.codehaus.org/plexus-utils/index.html"));
          assertEquals(
                  "../../",
                  PathTool.getRelativeWebPath(
                          "http://plexus.codehaus.org/plexus-utils/index.html", "http://plexus.codehaus.org/"));
      }
  
      @Test
      @EnabledOnOs(OS.WINDOWS)
      void getRelativeFilePathOnWindows() {
          assertEquals("", PathTool.getRelativeFilePath(null, null));
          assertEquals("", PathTool.getRelativeFilePath(null, "c:\\tools\\java\\bin"));
          assertEquals("", PathTool.getRelativeFilePath("c:\\tools\\java", null));
          assertEquals("java\\bin", PathTool.getRelativeFilePath("c:\\tools", "c:\\tools\\java\\bin"));
          assertEquals("java\\bin\\", PathTool.getRelativeFilePath("c:\\tools", "c:\\tools\\java\\bin\\"));
          assertEquals("..\\..", PathTool.getRelativeFilePath("c:\\tools\\java\\bin", "c:\\tools"));
          assertEquals(
                  "java\\bin\\java.exe", PathTool.getRelativeFilePath("c:\\tools\\", "c:\\tools\\java\\bin\\java.exe"));
          assertEquals("..\\..\\..", PathTool.getRelativeFilePath("c:\\tools\\java\\bin\\java.sh", "c:\\tools"));
          assertEquals("..\\bin", PathTool.getRelativeFilePath("c:\\tools", "c:\\bin"));
          assertEquals("..\\tools", PathTool.getRelativeFilePath("c:\\bin", "c:\\tools"));
          assertEquals("", PathTool.getRelativeFilePath("c:\\bin", "c:\\bin"));
      }
  
      @Test
     @DisabledOnOs(OS.WINDOWS)
     void getRelativeFilePath() {
         assertEquals("", PathTool.getRelativeFilePath(null, null));
         assertEquals("", PathTool.getRelativeFilePath(null, "/usr/local/java/bin"));
         assertEquals("", PathTool.getRelativeFilePath("/usr/local", null));
         assertEquals("java/bin", PathTool.getRelativeFilePath("/usr/local", "/usr/local/java/bin"));
         assertEquals("java/bin/", PathTool.getRelativeFilePath("/usr/local", "/usr/local/java/bin/"));
         assertEquals("../../", PathTool.getRelativeFilePath("/usr/local/java/bin", "/usr/local/"));
         assertEquals("java/bin/java.sh", PathTool.getRelativeFilePath("/usr/local/", "/usr/local/java/bin/java.sh"));
         assertEquals("../../../", PathTool.getRelativeFilePath("/usr/local/java/bin/java.sh", "/usr/local/"));
         assertEquals("../../bin", PathTool.getRelativeFilePath("/usr/local/", "/bin"));
         assertEquals("../usr/local", PathTool.getRelativeFilePath("/bin", "/usr/local"));
         assertEquals("", PathTool.getRelativeFilePath("/bin", "/bin"));
     }
 }