1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
|
package packfile_test
import (
"gopkg.in/src-d/go-git.v4/plumbing"
"gopkg.in/src-d/go-git.v4/plumbing/format/packfile"
. "gopkg.in/check.v1"
"gopkg.in/src-d/go-git-fixtures.v3"
)
type ParserSuite struct {
fixtures.Suite
}
var _ = Suite(&ParserSuite{})
func (s *ParserSuite) TestParserHashes(c *C) {
f := fixtures.Basic().One()
scanner := packfile.NewScanner(f.Packfile())
obs := new(testObserver)
parser := packfile.NewParser(scanner, obs)
ch, err := parser.Parse()
c.Assert(err, IsNil)
checksum := "a3fed42da1e8189a077c0e6846c040dcf73fc9dd"
c.Assert(ch.String(), Equals, checksum)
c.Assert(obs.checksum, Equals, checksum)
c.Assert(int(obs.count), Equals, int(31))
commit := plumbing.CommitObject
blob := plumbing.BlobObject
tree := plumbing.TreeObject
objs := []observerObject{
{"e8d3ffab552895c19b9fcf7aa264d277cde33881", commit, 254, 12, 0xaa07ba4b},
{"6ecf0ef2c2dffb796033e5a02219af86ec6584e5", commit, 93, 186, 0xf706df58},
{"918c48b83bd081e863dbe1b80f8998f058cd8294", commit, 242, 286, 0x12438846},
{"af2d6a6954d532f8ffb47615169c8fdf9d383a1a", commit, 242, 449, 0x2905a38c},
{"1669dce138d9b841a518c64b10914d88f5e488ea", commit, 333, 615, 0xd9429436},
{"a5b8b09e2f8fcb0bb99d3ccb0958157b40890d69", commit, 332, 838, 0xbecfde4e},
{"35e85108805c84807bc66a02d91535e1e24b38b9", commit, 244, 1063, 0x780e4b3e},
{"b8e471f58bcbca63b07bda20e428190409c2db47", commit, 243, 1230, 0xdc18344f},
{"b029517f6300c2da0f4b651b8642506cd6aaf45d", commit, 187, 1392, 0xcf4e4280},
{"32858aad3c383ed1ff0a0f9bdf231d54a00c9e88", blob, 189, 1524, 0x1f08118a},
{"d3ff53e0564a9f87d8e84b6e28e5060e517008aa", blob, 18, 1685, 0xafded7b8},
{"c192bd6a24ea1ab01d78686e417c8bdc7c3d197f", blob, 1072, 1713, 0xcc1428ed},
{"d5c0f4ab811897cadf03aec358ae60d21f91c50d", blob, 76110, 2351, 0x1631d22f},
{"880cd14280f4b9b6ed3986d6671f907d7cc2a198", blob, 2780, 78050, 0xbfff5850},
{"49c6bb89b17060d7b4deacb7b338fcc6ea2352a9", blob, 217848, 78882, 0xd108e1d8},
{"c8f1d8c61f9da76f4cb49fd86322b6e685dba956", blob, 706, 80725, 0x8e97ba25},
{"9a48f23120e880dfbe41f7c9b7b708e9ee62a492", blob, 11488, 80998, 0x7316ff70},
{"9dea2395f5403188298c1dabe8bdafe562c491e3", blob, 78, 84032, 0xdb4fce56},
{"dbd3641b371024f44d0e469a9c8f5457b0660de1", tree, 272, 84115, 0x901cce2c},
{"a8d315b2b1c615d43042c3a62402b8a54288cf5c", tree, 43, 84375, 0xec4552b0},
{"a39771a7651f97faf5c72e08224d857fc35133db", tree, 38, 84430, 0x847905bf},
{"5a877e6a906a2743ad6e45d99c1793642aaf8eda", tree, 75, 84479, 0x3689459a},
{"586af567d0bb5e771e49bdd9434f5e0fb76d25fa", tree, 38, 84559, 0xe67af94a},
{"cf4aa3b38974fb7d81f367c0830f7d78d65ab86b", tree, 34, 84608, 0xc2314a2e},
{"7e59600739c96546163833214c36459e324bad0a", blob, 9, 84653, 0xcd987848},
{"fb72698cab7617ac416264415f13224dfd7a165e", tree, 6, 84671, 0x8a853a6d},
{"4d081c50e250fa32ea8b1313cf8bb7c2ad7627fd", tree, 9, 84688, 0x70c6518},
{"eba74343e2f15d62adedfd8c883ee0262b5c8021", tree, 6, 84708, 0x4f4108e2},
{"c2d30fa8ef288618f65f6eed6e168e0d514886f4", tree, 5, 84725, 0xd6fe09e9},
{"8dcef98b1d52143e1e2dbc458ffe38f925786bf2", tree, 8, 84741, 0xf07a2804},
{"aa9b383c260e1d05fbbf6b30a02914555e20c725", tree, 4, 84760, 0x1d75d6be},
}
c.Assert(obs.objects, DeepEquals, objs)
}
type observerObject struct {
hash string
otype plumbing.ObjectType
size int64
offset int64
crc uint32
}
type testObserver struct {
count uint32
checksum string
objects []observerObject
pos map[int64]int
}
func (t *testObserver) OnHeader(count uint32) error {
t.count = count
t.pos = make(map[int64]int, count)
return nil
}
func (t *testObserver) OnInflatedObjectHeader(otype plumbing.ObjectType, objSize int64, pos int64) error {
o := t.get(pos)
o.otype = otype
o.size = objSize
o.offset = pos
t.put(pos, o)
return nil
}
func (t *testObserver) OnInflatedObjectContent(h plumbing.Hash, pos int64, crc uint32, _ []byte) error {
o := t.get(pos)
o.hash = h.String()
o.crc = crc
t.put(pos, o)
return nil
}
func (t *testObserver) OnFooter(h plumbing.Hash) error {
t.checksum = h.String()
return nil
}
func (t *testObserver) get(pos int64) observerObject {
i, ok := t.pos[pos]
if ok {
return t.objects[i]
}
return observerObject{}
}
func (t *testObserver) put(pos int64, o observerObject) {
i, ok := t.pos[pos]
if ok {
t.objects[i] = o
return
}
t.pos[pos] = len(t.objects)
t.objects = append(t.objects, o)
}
|