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1   /*
2    * Copyright (C) 2019, Google LLC.
3    * and other copyright owners as documented in the project's IP log.
4    *
5    * This program and the accompanying materials are made available
6    * under the terms of the Eclipse Distribution License v1.0 which
7    * accompanies this distribution, is reproduced below, and is
8    * available at http://www.eclipse.org/org/documents/edl-v10.php
9    *
10   * All rights reserved.
11   *
12   * Redistribution and use in source and binary forms, with or
13   * without modification, are permitted provided that the following
14   * conditions are met:
15   *
16   * - Redistributions of source code must retain the above copyright
17   *   notice, this list of conditions and the following disclaimer.
18   *
19   * - Redistributions in binary form must reproduce the above
20   *   copyright notice, this list of conditions and the following
21   *   disclaimer in the documentation and/or other materials provided
22   *   with the distribution.
23   *
24   * - Neither the name of the Eclipse Foundation, Inc. nor the
25   *   names of its contributors may be used to endorse or promote
26   *   products derived from this software without specific prior
27   *   written permission.
28   *
29   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
30   * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
31   * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
32   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
33   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
34   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
35   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
36   * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
37   * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
38   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
39   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
40   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
41   * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
42   */
43  package org.eclipse.jgit.transport;
44  
45  import static org.junit.Assert.assertEquals;
46  import static org.junit.Assert.assertTrue;
47  
48  import java.util.Arrays;
49  
50  import org.eclipse.jgit.storage.pack.PackStatistics;
51  import org.junit.Test;
52  import org.junit.runner.RunWith;
53  import org.junit.runners.JUnit4;
54  
55  @RunWith(JUnit4.class)
56  public class PostUploadHookChainTest {
57  
58  	@Test
59  	public void testDefaultIfEmpty() {
60  		PostUploadHook[] noHooks = {};
61  		PostUploadHook newChain = PostUploadHookChain
62  				.newChain(Arrays.asList(noHooks));
63  		assertEquals(newChain, PostUploadHook.NULL);
64  	}
65  
66  	@Test
67  	public void testFlattenChainIfOnlyOne() {
68  		FakePostUploadHook hook1 = new FakePostUploadHook();
69  		PostUploadHook newChain = PostUploadHookChain
70  				.newChain(Arrays.asList(PostUploadHook.NULL, hook1));
71  		assertEquals(newChain, hook1);
72  	}
73  
74  	@Test
75  	public void testMultipleHooks() {
76  		FakePostUploadHook hook1 = new FakePostUploadHook();
77  		FakePostUploadHook hook2 = new FakePostUploadHook();
78  
79  		PostUploadHook chained = PostUploadHookChain
80  				.newChain(Arrays.asList(hook1, hook2));
81  		chained.onPostUpload(null);
82  
83  		assertTrue(hook1.wasInvoked());
84  		assertTrue(hook2.wasInvoked());
85  	}
86  
87  	private static final class FakePostUploadHook implements PostUploadHook {
88  		boolean invoked;
89  
90  		public boolean wasInvoked() {
91  			return invoked;
92  		}
93  
94  		@Override
95  		public void onPostUpload(PackStatistics stats) {
96  			invoked = true;
97  		}
98  	}
99  }