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
|
package packfile_test
import (
"bytes"
"io"
"math/rand"
"testing"
"github.com/go-git/go-billy/v5/memfs"
"github.com/go-git/go-git/v5/plumbing"
"github.com/go-git/go-git/v5/plumbing/cache"
"github.com/go-git/go-git/v5/plumbing/format/idxfile"
. "github.com/go-git/go-git/v5/plumbing/format/packfile"
"github.com/go-git/go-git/v5/plumbing/storer"
"github.com/go-git/go-git/v5/storage/filesystem"
. "gopkg.in/check.v1"
"gopkg.in/src-d/go-git-fixtures.v3"
)
type EncoderAdvancedSuite struct {
fixtures.Suite
}
var _ = Suite(&EncoderAdvancedSuite{})
func (s *EncoderAdvancedSuite) TestEncodeDecode(c *C) {
if testing.Short() {
c.Skip("skipping test in short mode.")
}
fixs := fixtures.Basic().ByTag("packfile").ByTag(".git")
fixs = append(fixs, fixtures.ByURL("https://github.com/src-d/go-git.git").
ByTag("packfile").ByTag(".git").One())
fixs.Test(c, func(f *fixtures.Fixture) {
storage := filesystem.NewStorage(f.DotGit(), cache.NewObjectLRUDefault())
s.testEncodeDecode(c, storage, 10)
})
}
func (s *EncoderAdvancedSuite) TestEncodeDecodeNoDeltaCompression(c *C) {
if testing.Short() {
c.Skip("skipping test in short mode.")
}
fixs := fixtures.Basic().ByTag("packfile").ByTag(".git")
fixs = append(fixs, fixtures.ByURL("https://github.com/src-d/go-git.git").
ByTag("packfile").ByTag(".git").One())
fixs.Test(c, func(f *fixtures.Fixture) {
storage := filesystem.NewStorage(f.DotGit(), cache.NewObjectLRUDefault())
s.testEncodeDecode(c, storage, 0)
})
}
func (s *EncoderAdvancedSuite) testEncodeDecode(
c *C,
storage storer.Storer,
packWindow uint,
) {
objIter, err := storage.IterEncodedObjects(plumbing.AnyObject)
c.Assert(err, IsNil)
expectedObjects := map[plumbing.Hash]bool{}
var hashes []plumbing.Hash
err = objIter.ForEach(func(o plumbing.EncodedObject) error {
expectedObjects[o.Hash()] = true
hashes = append(hashes, o.Hash())
return err
})
c.Assert(err, IsNil)
// Shuffle hashes to avoid delta selector getting order right just because
// the initial order is correct.
auxHashes := make([]plumbing.Hash, len(hashes))
for i, j := range rand.Perm(len(hashes)) {
auxHashes[j] = hashes[i]
}
hashes = auxHashes
buf := bytes.NewBuffer(nil)
enc := NewEncoder(buf, storage, false)
encodeHash, err := enc.Encode(hashes, packWindow)
c.Assert(err, IsNil)
fs := memfs.New()
f, err := fs.Create("packfile")
c.Assert(err, IsNil)
_, err = f.Write(buf.Bytes())
c.Assert(err, IsNil)
_, err = f.Seek(0, io.SeekStart)
c.Assert(err, IsNil)
w := new(idxfile.Writer)
parser, err := NewParser(NewScanner(f), w)
c.Assert(err, IsNil)
_, err = parser.Parse()
c.Assert(err, IsNil)
index, err := w.Index()
c.Assert(err, IsNil)
_, err = f.Seek(0, io.SeekStart)
c.Assert(err, IsNil)
p := NewPackfile(index, fs, f)
decodeHash, err := p.ID()
c.Assert(err, IsNil)
c.Assert(encodeHash, Equals, decodeHash)
objIter, err = p.GetAll()
c.Assert(err, IsNil)
obtainedObjects := map[plumbing.Hash]bool{}
err = objIter.ForEach(func(o plumbing.EncodedObject) error {
obtainedObjects[o.Hash()] = true
return nil
})
c.Assert(err, IsNil)
c.Assert(obtainedObjects, DeepEquals, expectedObjects)
for h := range obtainedObjects {
if !expectedObjects[h] {
c.Errorf("obtained unexpected object: %s", h)
}
}
for h := range expectedObjects {
if !obtainedObjects[h] {
c.Errorf("missing object: %s", h)
}
}
}
|
