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11 package org.eclipse.jgit.lib;
12
13 import static org.junit.Assert.assertEquals;
14 import static org.junit.Assert.assertFalse;
15 import static org.junit.Assert.assertNull;
16 import static org.junit.Assert.assertSame;
17 import static org.junit.Assert.assertTrue;
18
19 import org.junit.Test;
20
21 public class SymbolicRefTest {
22 private static final ObjectId ID_A = ObjectId
23 .fromString("41eb0d88f833b558bddeb269b7ab77399cdf98ed");
24
25 private static final ObjectId ID_B = ObjectId
26 .fromString("698dd0b8d0c299f080559a1cffc7fe029479a408");
27
28 private static final String targetName = "refs/heads/a.test.ref";
29
30 private static final String name = "refs/remotes/origin/HEAD";
31
32 @Test
33 public void testConstructor() {
34 Ref t;
35 SymbolicRef r;
36
37 t = new ObjectIdRef.Unpeeled(Ref.Storage.NEW, targetName, null);
38 r = new SymbolicRef(name, t, 1);
39 assertSame(Ref.Storage.LOOSE, r.getStorage());
40 assertSame(name, r.getName());
41 assertNull("no id on new ref", r.getObjectId());
42 assertFalse("not peeled", r.isPeeled());
43 assertNull("no peel id", r.getPeeledObjectId());
44 assertSame("leaf is t", t, r.getLeaf());
45 assertSame("target is t", t, r.getTarget());
46 assertTrue("is symbolic", r.isSymbolic());
47 assertTrue("holds update index", r.getUpdateIndex() == 1);
48
49 t = new ObjectIdRef.Unpeeled(Ref.Storage.PACKED, targetName, ID_A);
50 r = new SymbolicRef(name, t, 2);
51 assertSame(Ref.Storage.LOOSE, r.getStorage());
52 assertSame(name, r.getName());
53 assertSame(ID_A, r.getObjectId());
54 assertFalse("not peeled", r.isPeeled());
55 assertNull("no peel id", r.getPeeledObjectId());
56 assertSame("leaf is t", t, r.getLeaf());
57 assertSame("target is t", t, r.getTarget());
58 assertTrue("is symbolic", r.isSymbolic());
59 assertTrue("holds update index", r.getUpdateIndex() == 2);
60 }
61
62 @Test
63 public void testLeaf() {
64 Ref a;
65 SymbolicRef b, c, d;
66
67 a = new ObjectIdRef.PeeledTag(Ref.Storage.PACKED, targetName, ID_A, ID_B);
68 b = new SymbolicRef("B", a);
69 c = new SymbolicRef("C", b);
70 d = new SymbolicRef("D", c);
71
72 assertSame(c, d.getTarget());
73 assertSame(b, c.getTarget());
74 assertSame(a, b.getTarget());
75
76 assertSame(a, d.getLeaf());
77 assertSame(a, c.getLeaf());
78 assertSame(a, b.getLeaf());
79 assertSame(a, a.getLeaf());
80
81 assertSame(ID_A, d.getObjectId());
82 assertSame(ID_A, c.getObjectId());
83 assertSame(ID_A, b.getObjectId());
84
85 assertTrue(d.isPeeled());
86 assertTrue(c.isPeeled());
87 assertTrue(b.isPeeled());
88
89 assertSame(ID_B, d.getPeeledObjectId());
90 assertSame(ID_B, c.getPeeledObjectId());
91 assertSame(ID_B, b.getPeeledObjectId());
92 }
93
94 @Test
95 public void testToString() {
96 Ref a;
97 SymbolicRef b, c, d;
98
99 a = new ObjectIdRef.PeeledTag(Ref.Storage.PACKED, targetName, ID_A, ID_B);
100 b = new SymbolicRef("B", a);
101 c = new SymbolicRef("C", b);
102 d = new SymbolicRef("D", c);
103
104 assertEquals("SymbolicRef[D -> C -> B -> " + targetName + "="
105 + ID_A.name() + "(-1)]", d.toString());
106 }
107 }