/
directory_transport_test.go
230 lines (194 loc) · 6.79 KB
/
directory_transport_test.go
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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
package directory
import (
"context"
"os"
"path/filepath"
"testing"
_ "github.com/containers/image/v5/internal/testing/explicitfilepath-tmpdir"
"github.com/containers/image/v5/types"
digest "github.com/opencontainers/go-digest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestTransportName(t *testing.T) {
assert.Equal(t, "dir", Transport.Name())
}
func TestTransportParseReference(t *testing.T) {
testNewReference(t, Transport.ParseReference)
}
func TestTransportValidatePolicyConfigurationScope(t *testing.T) {
for _, scope := range []string{
"/etc",
"/this/does/not/exist",
} {
err := Transport.ValidatePolicyConfigurationScope(scope)
assert.NoError(t, err, scope)
}
for _, scope := range []string{
"relative/path",
"/double//slashes",
"/has/./dot",
"/has/dot/../dot",
"/trailing/slash/",
"/",
} {
err := Transport.ValidatePolicyConfigurationScope(scope)
assert.Error(t, err, scope)
}
}
func TestNewReference(t *testing.T) {
testNewReference(t, NewReference)
}
// testNewReference is a test shared for Transport.ParseReference and NewReference.
func testNewReference(t *testing.T, fn func(string) (types.ImageReference, error)) {
tmpDir := t.TempDir()
for _, path := range []string{
"/",
"/etc",
tmpDir,
"relativepath",
tmpDir + "/thisdoesnotexist",
} {
ref, err := fn(path)
require.NoError(t, err, path)
dirRef, ok := ref.(dirReference)
require.True(t, ok)
assert.Equal(t, path, dirRef.path, path)
}
_, err := fn(tmpDir + "/thisparentdoesnotexist/something")
assert.Error(t, err)
}
// refToTempDir creates a temporary directory and returns a reference to it.
func refToTempDir(t *testing.T) (types.ImageReference, string) {
tmpDir := t.TempDir()
ref, err := NewReference(tmpDir)
require.NoError(t, err)
return ref, tmpDir
}
func TestReferenceTransport(t *testing.T) {
ref, _ := refToTempDir(t)
assert.Equal(t, Transport, ref.Transport())
}
func TestReferenceStringWithinTransport(t *testing.T) {
ref, tmpDir := refToTempDir(t)
assert.Equal(t, tmpDir, ref.StringWithinTransport())
}
func TestReferenceDockerReference(t *testing.T) {
ref, _ := refToTempDir(t)
assert.Nil(t, ref.DockerReference())
}
func TestReferencePolicyConfigurationIdentity(t *testing.T) {
ref, tmpDir := refToTempDir(t)
assert.Equal(t, tmpDir, ref.PolicyConfigurationIdentity())
// A non-canonical path. Test just one, the various other cases are
// tested in explicitfilepath.ResolvePathToFullyExplicit.
ref, err := NewReference(tmpDir + "/.")
require.NoError(t, err)
assert.Equal(t, tmpDir, ref.PolicyConfigurationIdentity())
// "/" as a corner case.
ref, err = NewReference("/")
require.NoError(t, err)
assert.Equal(t, "/", ref.PolicyConfigurationIdentity())
}
func TestReferencePolicyConfigurationNamespaces(t *testing.T) {
ref, tmpDir := refToTempDir(t)
// We don't really know enough to make a full equality test here.
ns := ref.PolicyConfigurationNamespaces()
require.NotNil(t, ns)
assert.NotEmpty(t, ns)
assert.Equal(t, filepath.Dir(tmpDir), ns[0])
// Test with a known path which should exist. Test just one non-canonical
// path, the various other cases are tested in explicitfilepath.ResolvePathToFullyExplicit.
//
// It would be nice to test a deeper hierarchy, but it is not obvious what
// deeper path is always available in the various distros, AND is not likely
// to contains a symbolic link.
for _, path := range []string{"/usr/share", "/usr/share/./."} {
_, err := os.Lstat(path)
require.NoError(t, err)
ref, err := NewReference(path)
require.NoError(t, err)
ns := ref.PolicyConfigurationNamespaces()
require.NotNil(t, ns)
assert.Equal(t, []string{"/usr"}, ns)
}
// "/" as a corner case.
ref, err := NewReference("/")
require.NoError(t, err)
assert.Equal(t, []string{}, ref.PolicyConfigurationNamespaces())
}
func TestReferenceNewImage(t *testing.T) {
ref, _ := refToTempDir(t)
dest, err := ref.NewImageDestination(context.Background(), nil)
require.NoError(t, err)
defer dest.Close()
mFixture, err := os.ReadFile("../manifest/fixtures/v2s1.manifest.json")
require.NoError(t, err)
err = dest.PutManifest(context.Background(), mFixture, nil)
assert.NoError(t, err)
err = dest.Commit(context.Background(), nil) // nil unparsedToplevel is invalid, we don’t currently use the value
assert.NoError(t, err)
img, err := ref.NewImage(context.Background(), nil)
assert.NoError(t, err)
defer img.Close()
}
func TestReferenceNewImageNoValidManifest(t *testing.T) {
ref, _ := refToTempDir(t)
dest, err := ref.NewImageDestination(context.Background(), nil)
require.NoError(t, err)
defer dest.Close()
err = dest.PutManifest(context.Background(), []byte(`{"schemaVersion":1}`), nil)
assert.NoError(t, err)
err = dest.Commit(context.Background(), nil) // nil unparsedToplevel is invalid, we don’t currently use the value
assert.NoError(t, err)
_, err = ref.NewImage(context.Background(), nil)
assert.Error(t, err)
}
func TestReferenceNewImageSource(t *testing.T) {
ref, _ := refToTempDir(t)
src, err := ref.NewImageSource(context.Background(), nil)
assert.NoError(t, err)
defer src.Close()
}
func TestReferenceNewImageDestination(t *testing.T) {
ref, _ := refToTempDir(t)
dest, err := ref.NewImageDestination(context.Background(), nil)
assert.NoError(t, err)
defer dest.Close()
}
func TestReferenceDeleteImage(t *testing.T) {
ref, _ := refToTempDir(t)
err := ref.DeleteImage(context.Background(), nil)
assert.Error(t, err)
}
func TestReferenceManifestPath(t *testing.T) {
dhex := digest.Digest("sha256:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
ref, tmpDir := refToTempDir(t)
dirRef, ok := ref.(dirReference)
require.True(t, ok)
assert.Equal(t, tmpDir+"/manifest.json", dirRef.manifestPath(nil))
assert.Equal(t, tmpDir+"/"+dhex.Encoded()+".manifest.json", dirRef.manifestPath(&dhex))
}
func TestReferenceLayerPath(t *testing.T) {
const hex = "0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef"
ref, tmpDir := refToTempDir(t)
dirRef, ok := ref.(dirReference)
require.True(t, ok)
assert.Equal(t, tmpDir+"/"+hex, dirRef.layerPath("sha256:"+hex))
}
func TestReferenceSignaturePath(t *testing.T) {
dhex := digest.Digest("sha256:0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef")
ref, tmpDir := refToTempDir(t)
dirRef, ok := ref.(dirReference)
require.True(t, ok)
assert.Equal(t, tmpDir+"/signature-1", dirRef.signaturePath(0, nil))
assert.Equal(t, tmpDir+"/signature-10", dirRef.signaturePath(9, nil))
assert.Equal(t, tmpDir+"/"+dhex.Encoded()+".signature-1", dirRef.signaturePath(0, &dhex))
assert.Equal(t, tmpDir+"/"+dhex.Encoded()+".signature-10", dirRef.signaturePath(9, &dhex))
}
func TestReferenceVersionPath(t *testing.T) {
ref, tmpDir := refToTempDir(t)
dirRef, ok := ref.(dirReference)
require.True(t, ok)
assert.Equal(t, tmpDir+"/version", dirRef.versionPath())
}