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
|
package loose_test
import (
"bytes"
"testing"
"codeberg.org/lindenii/furgit/internal/testgit"
"codeberg.org/lindenii/furgit/objectheader"
"codeberg.org/lindenii/furgit/objectid"
"codeberg.org/lindenii/furgit/objecttype"
)
func TestLooseStoreWriteReaderContentAgainstGit(t *testing.T) {
t.Parallel()
testgit.ForEachAlgorithm(t, func(t *testing.T, algo objectid.Algorithm) { //nolint:thelper
testRepo := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: algo, Bare: true})
store := openLooseStore(t, testRepo, algo)
content := []byte("written-by-content-reader\n")
expectedHex := testRepo.RunInput(t, content, "hash-object", "-t", "blob", "--stdin")
expectedID, err := objectid.ParseHex(algo, expectedHex)
if err != nil {
t.Fatalf("ParseHex(expected): %v", err)
}
writtenID, err := store.WriteReaderContent(objecttype.TypeBlob, int64(len(content)), bytes.NewReader(content))
if err != nil {
t.Fatalf("WriteReaderContent: %v", err)
}
if writtenID != expectedID {
t.Fatalf("WriteReaderContent id = %s, want %s", writtenID, expectedID)
}
gotBody := testRepo.CatFile(t, "blob", writtenID)
if !bytes.Equal(gotBody, content) {
t.Fatalf("git cat-file body mismatch")
}
// Writing the same object again should succeed and return the same ID.
writtenID2, err := store.WriteReaderContent(objecttype.TypeBlob, int64(len(content)), bytes.NewReader(content))
if err != nil {
t.Fatalf("WriteReaderContent second: %v", err)
}
if writtenID2 != expectedID {
t.Fatalf("WriteReaderContent second id = %s, want %s", writtenID2, expectedID)
}
})
}
func TestLooseStoreWriteReaderFullAgainstGit(t *testing.T) {
t.Parallel()
testgit.ForEachAlgorithm(t, func(t *testing.T, algo objectid.Algorithm) { //nolint:thelper
testRepo := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: algo, Bare: true})
store := openLooseStore(t, testRepo, algo)
body := []byte("full-reader-body\n")
header, ok := objectheader.Encode(objecttype.TypeBlob, int64(len(body)))
if !ok {
t.Fatalf("objectheader.Encode failed")
}
raw := make([]byte, len(header)+len(body))
copy(raw, header)
copy(raw[len(header):], body)
wantID := algo.Sum(raw)
gotID, err := store.WriteReaderFull(bytes.NewReader(raw))
if err != nil {
t.Fatalf("WriteReaderFull: %v", err)
}
if gotID != wantID {
t.Fatalf("WriteReaderFull id = %s, want %s", gotID, wantID)
}
gotBody := testRepo.CatFile(t, "blob", gotID)
if !bytes.Equal(gotBody, body) {
t.Fatalf("git cat-file body mismatch")
}
})
}
func TestLooseStoreReaderValidationErrors(t *testing.T) {
t.Parallel()
testgit.ForEachAlgorithm(t, func(t *testing.T, algo objectid.Algorithm) { //nolint:thelper
t.Run("content overflow", func(t *testing.T) {
t.Parallel()
testRepo := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: algo, Bare: true})
store := openLooseStore(t, testRepo, algo)
_, err := store.WriteReaderContent(objecttype.TypeBlob, 1, bytes.NewReader([]byte("hello")))
if err == nil {
t.Fatalf("expected error after overflow")
}
})
t.Run("content short", func(t *testing.T) {
t.Parallel()
testRepo := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: algo, Bare: true})
store := openLooseStore(t, testRepo, algo)
_, err := store.WriteReaderContent(objecttype.TypeBlob, 5, bytes.NewReader([]byte("x")))
if err == nil {
t.Fatalf("expected error for short content")
}
})
t.Run("full malformed header", func(t *testing.T) {
t.Parallel()
testRepo := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: algo, Bare: true})
store := openLooseStore(t, testRepo, algo)
_, err := store.WriteReaderFull(bytes.NewReader([]byte("not-a-header")))
if err == nil {
t.Fatalf("expected error for malformed header")
}
})
t.Run("full size mismatch", func(t *testing.T) {
t.Parallel()
testRepo := testgit.NewRepo(t, testgit.RepoOptions{ObjectFormat: algo, Bare: true})
store := openLooseStore(t, testRepo, algo)
raw := []byte("blob 1\x00hello")
_, err := store.WriteReaderFull(bytes.NewReader(raw))
if err == nil {
t.Fatalf("expected error after mismatch")
}
})
})
}
|
