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.junit.Test;
51 import org.junit.runner.RunWith;
52 import org.junit.runners.JUnit4;
53
54 @RunWith(JUnit4.class)
55 public class ProtocolV2HookChainTest {
56
57 @Test
58 public void testDefaultIfEmpty() {
59 ProtocolV2Hook[] noHooks = {};
60 ProtocolV2Hook newChain = ProtocolV2HookChain
61 .newChain(Arrays.asList(noHooks));
62 assertEquals(newChain, ProtocolV2Hook.DEFAULT);
63 }
64
65 @Test
66 public void testFlattenChainIfOnlyOne() {
67 FakeProtocolV2Hook hook1 = new FakeProtocolV2Hook();
68 ProtocolV2Hook newChain = ProtocolV2HookChain
69 .newChain(Arrays.asList(ProtocolV2Hook.DEFAULT, hook1));
70 assertEquals(newChain, hook1);
71 }
72
73 @Test
74 public void testMultipleHooks() throws ServiceMayNotContinueException {
75 FakeProtocolV2Hook hook1 = new FakeProtocolV2Hook();
76 FakeProtocolV2Hook hook2 = new FakeProtocolV2Hook();
77
78 ProtocolV2Hook chained = ProtocolV2HookChain
79 .newChain(Arrays.asList(hook1, hook2));
80 chained.onLsRefs(LsRefsV2Request.builder().build());
81
82 assertTrue(hook1.wasInvoked());
83 assertTrue(hook2.wasInvoked());
84 }
85
86 private static final class FakeProtocolV2Hook implements ProtocolV2Hook {
87 boolean invoked;
88
89 @Override
90 public void onLsRefs(LsRefsV2Request req)
91 throws ServiceMayNotContinueException {
92 invoked = true;
93 }
94
95 @Override
96 public void onCapabilities(CapabilitiesV2Request req)
97 throws ServiceMayNotContinueException {
98 throw new UnsupportedOperationException();
99 }
100
101 @Override
102 public void onFetch(FetchV2Request req)
103 throws ServiceMayNotContinueException {
104 throw new UnsupportedOperationException();
105 }
106
107 public boolean wasInvoked() {
108 return invoked;
109 }
110 }
111 }