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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    *
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   *
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.commons.vfs2;
18  
19  import static org.apache.commons.vfs2.VfsTestUtils.assertSameMessage;
20  
21  import java.io.IOException;
22  import java.io.InputStream;
23  
24  import org.junit.Test;
25  
26  /**
27   * URL Test cases for providers that supply structural info.
28   */
29  public class UrlStructureTests extends AbstractProviderTestCase {
30  
31      /**
32       * Returns the capabilities required by the tests of this test case.
33       */
34      @Override
35      protected Capability[] getRequiredCapabilities() {
36          return new Capability[] {Capability.GET_TYPE, Capability.URI};
37      }
38  
39      /**
40       * Tests that folders have no content.
41       */
42      @Test
43      public void testFolderURL() throws Exception {
44          final FileObject folder = getReadFolder().resolveFile("dir1");
45          if (folder.getFileSystem().hasCapability(Capability.DIRECTORY_READ_CONTENT)) {
46              // test might not fail on e.g. HttpFileSystem as there are no directories.
47              // A Directory do have a content on http. e.g a generated directory listing or the index.html page.
48              return;
49          }
50  
51          assertTrue(folder.exists());
52  
53          // Try getting the content of a folder
54          try (InputStream inputStream = folder.getURL().openConnection().getInputStream()) {
55              fail();
56          } catch (final IOException e) {
57              assertSameMessage("vfs.provider/read-not-file.error", folder, e);
58          }
59      }
60  
61  }