/*
    * Licensed to the Apache Software Foundation (ASF) under one
    * or more contributor license agreements.  See the NOTICE file
    * distributed with this work for additional information
    * regarding copyright ownership.  The ASF licenses this file
    * to you 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 org.eclipse.aether.transport.apache;
  
  import java.net.URI;
  import java.util.ArrayList;
  import java.util.Arrays;
  import java.util.List;
  
  import org.junit.jupiter.api.Test;
  
  import static org.junit.jupiter.api.Assertions.*;
  
  public class UriUtilsTest {
  
      private String resolve(URI base, String ref) {
          return UriUtils.resolve(base, URI.create(ref)).toString();
      }
  
      @Test
      void testResolve_BaseEmptyPath() {
          URI base = URI.create("http://host");
          assertEquals("http://host/file.jar", resolve(base, "file.jar"));
          assertEquals("http://host/dir/file.jar", resolve(base, "dir/file.jar"));
          assertEquals("http://host?arg=val", resolve(base, "?arg=val"));
          assertEquals("http://host/file?arg=val", resolve(base, "file?arg=val"));
          assertEquals("http://host/dir/file?arg=val", resolve(base, "dir/file?arg=val"));
      }
  
      @Test
      void testResolve_BaseRootPath() {
          URI base = URI.create("http://host/");
          assertEquals("http://host/file.jar", resolve(base, "file.jar"));
          assertEquals("http://host/dir/file.jar", resolve(base, "dir/file.jar"));
          assertEquals("http://host/?arg=val", resolve(base, "?arg=val"));
          assertEquals("http://host/file?arg=val", resolve(base, "file?arg=val"));
          assertEquals("http://host/dir/file?arg=val", resolve(base, "dir/file?arg=val"));
      }
  
      @Test
      void testResolve_BasePathTrailingSlash() {
          URI base = URI.create("http://host/sub/dir/");
          assertEquals("http://host/sub/dir/file.jar", resolve(base, "file.jar"));
          assertEquals("http://host/sub/dir/dir/file.jar", resolve(base, "dir/file.jar"));
          assertEquals("http://host/sub/dir/?arg=val", resolve(base, "?arg=val"));
          assertEquals("http://host/sub/dir/file?arg=val", resolve(base, "file?arg=val"));
          assertEquals("http://host/sub/dir/dir/file?arg=val", resolve(base, "dir/file?arg=val"));
      }
  
      @Test
      void testResolve_BasePathNoTrailingSlash() {
          URI base = URI.create("http://host/sub/d%20r");
          assertEquals("http://host/sub/d%20r/file.jar", resolve(base, "file.jar"));
          assertEquals("http://host/sub/d%20r/dir/file.jar", resolve(base, "dir/file.jar"));
          assertEquals("http://host/sub/d%20r?arg=val", resolve(base, "?arg=val"));
          assertEquals("http://host/sub/d%20r/file?arg=val", resolve(base, "file?arg=val"));
          assertEquals("http://host/sub/d%20r/dir/file?arg=val", resolve(base, "dir/file?arg=val"));
      }
  
      private List<URI> getDirs(String base, String uri) {
          return UriUtils.getDirectories((base != null) ? URI.create(base) : null, URI.create(uri));
      }
  
      private void assertUris(List<URI> actual, String... expected) {
          List<String> uris = new ArrayList<>(actual.size());
          for (URI uri : actual) {
              uris.add(uri.toString());
          }
          assertEquals(Arrays.asList(expected), uris);
      }
  
      @Test
      void testGetDirectories_NoBase() {
          List<URI> parents = getDirs(null, "http://host/repo/sub/dir/file.jar");
          assertUris(parents, "http://host/repo/sub/dir/", "http://host/repo/sub/", "http://host/repo/");
  
          parents = getDirs(null, "http://host/repo/sub/dir/?file.jar");
          assertUris(parents, "http://host/repo/sub/dir/", "http://host/repo/sub/", "http://host/repo/");
  
          parents = getDirs(null, "http://host/");
          assertUris(parents);
      }
  
     @Test
     void testGetDirectories_ExplicitBaseTrailingSlash() {
         List<URI> parents = getDirs("http://host/repo/", "http://host/repo/sub/dir/file.jar");
         assertUris(parents, "http://host/repo/sub/dir/", "http://host/repo/sub/");
 
         parents = getDirs("http://host/repo/", "http://host/repo/sub/dir/?file.jar");
         assertUris(parents, "http://host/repo/sub/dir/", "http://host/repo/sub/");
 
         parents = getDirs("http://host/repo/", "http://host/");
         assertUris(parents);
     }
 
     @Test
     void testGetDirectories_ExplicitBaseNoTrailingSlash() {
         List<URI> parents = getDirs("http://host/repo", "http://host/repo/sub/dir/file.jar");
         assertUris(parents, "http://host/repo/sub/dir/", "http://host/repo/sub/");
 
         parents = getDirs("http://host/repo", "http://host/repo/sub/dir/?file.jar");
         assertUris(parents, "http://host/repo/sub/dir/", "http://host/repo/sub/");
 
         parents = getDirs("http://host/repo", "http://host/");
         assertUris(parents);
     }
 }