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
|
package image
import (
"context"
"fmt"
"io"
"io/ioutil"
"os"
"testing"
"github.com/containers/storage"
"github.com/stretchr/testify/assert"
)
var (
bbNames = []string{"docker.io/library/busybox:latest", "docker.io/library/busybox", "docker.io/busybox:latest", "docker.io/busybox", "busybox:latest", "busybox"}
bbGlibcNames = []string{"docker.io/library/busybox:glibc", "docker.io/busybox:glibc", "busybox:glibc"}
fedoraNames = []string{"registry.fedoraproject.org/fedora-minimal:latest", "registry.fedoraproject.org/fedora-minimal", "fedora-minimal:latest", "fedora-minimal"}
)
type localImageTest struct {
fqname, taggedName string
img *Image
names []string
}
// make a temporary directory for the runtime
func mkWorkDir() (string, error) {
return ioutil.TempDir("", "podman-test")
}
// shutdown the runtime and clean behind it
func cleanup(workdir string, ir *Runtime) {
if err := ir.Shutdown(false); err != nil {
fmt.Println(err)
os.Exit(1)
}
err := os.RemoveAll(workdir)
if err != nil {
fmt.Println(err)
os.Exit(1)
}
}
func makeLocalMatrix(b, bg *Image) ([]localImageTest, error) {
var l []localImageTest
// busybox
busybox := localImageTest{
fqname: "docker.io/library/busybox:latest",
taggedName: "bb:latest",
}
busybox.img = b
busybox.names = b.Names()
busybox.names = append(busybox.names, []string{"bb:latest", "bb", b.ID(), b.ID()[0:7], fmt.Sprintf("busybox@%s", b.Digest())}...)
// busybox-glibc
busyboxGlibc := localImageTest{
fqname: "docker.io/library/busybox:glibc",
taggedName: "bb:glibc",
}
busyboxGlibc.img = bg
busyboxGlibc.names = bbGlibcNames
l = append(l, busybox, busyboxGlibc)
return l, nil
}
// TestImage_NewFromLocal tests finding the image locally by various names,
// tags, and aliases
func TestImage_NewFromLocal(t *testing.T) {
workdir, err := mkWorkDir()
assert.NoError(t, err)
so := storage.StoreOptions{
RunRoot: workdir,
GraphRoot: workdir,
}
var writer io.Writer
writer = os.Stdout
// Need images to be present for this test
ir, err := NewImageRuntimeFromOptions(so)
assert.NoError(t, err)
bb, err := ir.New(context.Background(), "docker.io/library/busybox:latest", "", "", writer, nil, SigningOptions{}, false, false)
assert.NoError(t, err)
bbglibc, err := ir.New(context.Background(), "docker.io/library/busybox:glibc", "", "", writer, nil, SigningOptions{}, false, false)
assert.NoError(t, err)
tm, err := makeLocalMatrix(bb, bbglibc)
assert.NoError(t, err)
for _, image := range tm {
// tag our images
image.img.TagImage(image.taggedName)
assert.NoError(t, err)
for _, name := range image.names {
newImage, err := ir.NewFromLocal(name)
assert.NoError(t, err)
assert.Equal(t, newImage.ID(), image.img.ID())
}
}
// Shutdown the runtime and remove the temporary storage
cleanup(workdir, ir)
}
// TestImage_New tests pulling the image by various names, tags, and from
// different registries
func TestImage_New(t *testing.T) {
var names []string
workdir, err := mkWorkDir()
assert.NoError(t, err)
so := storage.StoreOptions{
RunRoot: workdir,
GraphRoot: workdir,
}
ir, err := NewImageRuntimeFromOptions(so)
assert.NoError(t, err)
// Build the list of pull names
names = append(names, bbNames...)
names = append(names, fedoraNames...)
var writer io.Writer
writer = os.Stdout
// Iterate over the names and delete the image
// after the pull
for _, img := range names {
newImage, err := ir.New(context.Background(), img, "", "", writer, nil, SigningOptions{}, false, false)
assert.NoError(t, err)
assert.NotEqual(t, newImage.ID(), "")
err = newImage.Remove(false)
assert.NoError(t, err)
}
// Shutdown the runtime and remove the temporary storage
cleanup(workdir, ir)
}
// TestImage_MatchRepoTag tests the various inputs we need to match
// against an image's reponames
func TestImage_MatchRepoTag(t *testing.T) {
//Set up
workdir, err := mkWorkDir()
assert.NoError(t, err)
so := storage.StoreOptions{
RunRoot: workdir,
GraphRoot: workdir,
}
ir, err := NewImageRuntimeFromOptions(so)
assert.NoError(t, err)
newImage, err := ir.New(context.Background(), "busybox", "", "", os.Stdout, nil, SigningOptions{}, false, false)
assert.NoError(t, err)
err = newImage.TagImage("foo:latest")
assert.NoError(t, err)
err = newImage.TagImage("foo:bar")
assert.NoError(t, err)
// Tests start here.
for _, name := range bbNames {
repoTag, err := newImage.MatchRepoTag(name)
assert.NoError(t, err)
assert.Equal(t, "docker.io/library/busybox:latest", repoTag)
}
// Test against tagged images of busybox
// foo should resolve to foo:latest
repoTag, err := newImage.MatchRepoTag("foo")
assert.NoError(t, err)
assert.Equal(t, "foo:latest", repoTag)
// foo:bar should resolve to foo:bar
repoTag, err = newImage.MatchRepoTag("foo:bar")
assert.NoError(t, err)
assert.Equal(t, "foo:bar", repoTag)
// Shutdown the runtime and remove the temporary storage
cleanup(workdir, ir)
}
// Test_splitString tests the splitString function in image that
// takes input and splits on / and returns the last array item
func Test_splitString(t *testing.T) {
assert.Equal(t, splitString("foo/bar"), "bar")
assert.Equal(t, splitString("a/foo/bar"), "bar")
assert.Equal(t, splitString("bar"), "bar")
}
// Test_stripSha256 tests test the stripSha256 function which removes
// the prefix "sha256:" from a string if it is present
func Test_stripSha256(t *testing.T) {
assert.Equal(t, stripSha256(""), "")
assert.Equal(t, stripSha256("test1"), "test1")
assert.Equal(t, stripSha256("sha256:9110ae7f579f35ee0c3938696f23fe0f5fbe641738ea52eb83c2df7e9995fa17"), "9110ae7f579f35ee0c3938696f23fe0f5fbe641738ea52eb83c2df7e9995fa17")
assert.Equal(t, stripSha256("sha256:9110ae7f"), "9110ae7f")
assert.Equal(t, stripSha256("sha256:"), "sha256:")
assert.Equal(t, stripSha256("sha256:a"), "a")
}
|
