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
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
package remotecontext // import "github.com/docker/docker/builder/remotecontext"
import (
"os"
"path/filepath"
"testing"
"github.com/docker/docker/builder"
"github.com/docker/docker/pkg/archive"
"github.com/docker/docker/pkg/reexec"
"github.com/pkg/errors"
"gotest.tools/v3/skip"
)
const (
filename = "test"
contents = "contents test"
)
func TestMain(m *testing.M) {
if reexec.Init() {
return
}
os.Exit(m.Run())
}
func TestCloseRootDirectory(t *testing.T) {
contextDir, err := os.MkdirTemp("", "builder-tarsum-test")
defer os.RemoveAll(contextDir)
if err != nil {
t.Fatalf("Error with creating temporary directory: %s", err)
}
src := makeTestArchiveContext(t, contextDir)
err = src.Close()
if err != nil {
t.Fatalf("Error while executing Close: %s", err)
}
_, err = os.Stat(src.Root())
if !errors.Is(err, os.ErrNotExist) {
t.Fatal("Directory should not exist at this point")
}
}
func TestHashFile(t *testing.T) {
contextDir, cleanup := createTestTempDir(t, "", "builder-tarsum-test")
defer cleanup()
createTestTempFile(t, contextDir, filename, contents, 0755)
tarSum := makeTestArchiveContext(t, contextDir)
sum, err := tarSum.Hash(filename)
if err != nil {
t.Fatalf("Error when executing Stat: %s", err)
}
if len(sum) == 0 {
t.Fatalf("Hash returned empty sum")
}
expected := "55dfeb344351ab27f59aa60ebb0ed12025a2f2f4677bf77d26ea7a671274a9ca"
if actual := sum; expected != actual {
t.Fatalf("invalid checksum. expected %s, got %s", expected, actual)
}
}
func TestHashSubdir(t *testing.T) {
contextDir, cleanup := createTestTempDir(t, "", "builder-tarsum-test")
defer cleanup()
contextSubdir := filepath.Join(contextDir, "builder-tarsum-test-subdir")
err := os.Mkdir(contextSubdir, 0755)
if err != nil {
t.Fatalf("Failed to make directory: %s", contextSubdir)
}
testFilename := createTestTempFile(t, contextSubdir, filename, contents, 0755)
tarSum := makeTestArchiveContext(t, contextDir)
relativePath, err := filepath.Rel(contextDir, testFilename)
if err != nil {
t.Fatalf("Error when getting relative path: %s", err)
}
sum, err := tarSum.Hash(relativePath)
if err != nil {
t.Fatalf("Error when executing Stat: %s", err)
}
if len(sum) == 0 {
t.Fatalf("Hash returned empty sum")
}
expected := "74a3326b8e766ce63a8e5232f22e9dd895be647fb3ca7d337e5e0a9b3da8ef28"
if actual := sum; expected != actual {
t.Fatalf("invalid checksum. expected %s, got %s", expected, actual)
}
}
func TestRemoveDirectory(t *testing.T) {
contextDir, cleanup := createTestTempDir(t, "", "builder-tarsum-test")
defer cleanup()
contextSubdir := createTestTempSubdir(t, contextDir, "builder-tarsum-test-subdir")
relativePath, err := filepath.Rel(contextDir, contextSubdir)
if err != nil {
t.Fatalf("Error when getting relative path: %s", err)
}
src := makeTestArchiveContext(t, contextDir)
_, err = os.Stat(filepath.Join(src.Root(), relativePath))
if err != nil {
t.Fatalf("Statting %s shouldn't fail: %+v", relativePath, err)
}
tarSum := src.(modifiableContext)
err = tarSum.Remove(relativePath)
if err != nil {
t.Fatalf("Error when executing Remove: %s", err)
}
_, err = os.Stat(filepath.Join(src.Root(), relativePath))
if !errors.Is(err, os.ErrNotExist) {
t.Fatalf("Directory should not exist at this point: %+v ", err)
}
}
func makeTestArchiveContext(t *testing.T, dir string) builder.Source {
skip.If(t, os.Getuid() != 0, "skipping test that requires root")
tarStream, err := archive.Tar(dir, archive.Uncompressed)
if err != nil {
t.Fatalf("error: %s", err)
}
defer tarStream.Close()
tarSum, err := FromArchive(tarStream)
if err != nil {
t.Fatalf("Error when executing FromArchive: %s", err)
}
return tarSum
}
|
