124 lines
2.9 KiB
Go
124 lines
2.9 KiB
Go
package image
|
|
|
|
import (
|
|
"encoding/json"
|
|
"runtime"
|
|
"sort"
|
|
"strings"
|
|
"testing"
|
|
|
|
"github.com/docker/docker/api/types/container"
|
|
"github.com/docker/docker/layer"
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
)
|
|
|
|
const sampleImageJSON = `{
|
|
"architecture": "amd64",
|
|
"os": "linux",
|
|
"config": {},
|
|
"rootfs": {
|
|
"type": "layers",
|
|
"diff_ids": []
|
|
}
|
|
}`
|
|
|
|
func TestNewFromJSON(t *testing.T) {
|
|
img, err := NewFromJSON([]byte(sampleImageJSON))
|
|
require.NoError(t, err)
|
|
assert.Equal(t, sampleImageJSON, string(img.RawJSON()))
|
|
}
|
|
|
|
func TestNewFromJSONWithInvalidJSON(t *testing.T) {
|
|
_, err := NewFromJSON([]byte("{}"))
|
|
assert.EqualError(t, err, "invalid image JSON, no RootFS key")
|
|
}
|
|
|
|
func TestMarshalKeyOrder(t *testing.T) {
|
|
b, err := json.Marshal(&Image{
|
|
V1Image: V1Image{
|
|
Comment: "a",
|
|
Author: "b",
|
|
Architecture: "c",
|
|
},
|
|
})
|
|
assert.NoError(t, err)
|
|
|
|
expectedOrder := []string{"architecture", "author", "comment"}
|
|
var indexes []int
|
|
for _, k := range expectedOrder {
|
|
indexes = append(indexes, strings.Index(string(b), k))
|
|
}
|
|
|
|
if !sort.IntsAreSorted(indexes) {
|
|
t.Fatal("invalid key order in JSON: ", string(b))
|
|
}
|
|
}
|
|
|
|
func TestImage(t *testing.T) {
|
|
cid := "50a16564e727"
|
|
config := &container.Config{
|
|
Hostname: "hostname",
|
|
Domainname: "domain",
|
|
User: "root",
|
|
}
|
|
os := runtime.GOOS
|
|
|
|
img := &Image{
|
|
V1Image: V1Image{
|
|
Config: config,
|
|
},
|
|
computedID: ID(cid),
|
|
}
|
|
|
|
assert.Equal(t, cid, img.ImageID())
|
|
assert.Equal(t, cid, img.ID().String())
|
|
assert.Equal(t, os, img.OperatingSystem())
|
|
assert.Equal(t, config, img.RunConfig())
|
|
}
|
|
|
|
func TestImageOSNotEmpty(t *testing.T) {
|
|
os := "os"
|
|
img := &Image{
|
|
V1Image: V1Image{
|
|
OS: os,
|
|
},
|
|
OSVersion: "osversion",
|
|
}
|
|
assert.Equal(t, os, img.OperatingSystem())
|
|
}
|
|
|
|
func TestNewChildImageFromImageWithRootFS(t *testing.T) {
|
|
rootFS := NewRootFS()
|
|
rootFS.Append(layer.DiffID("ba5e"))
|
|
parent := &Image{
|
|
RootFS: rootFS,
|
|
History: []History{
|
|
NewHistory("a", "c", "r", false),
|
|
},
|
|
}
|
|
childConfig := ChildConfig{
|
|
DiffID: layer.DiffID("abcdef"),
|
|
Author: "author",
|
|
Comment: "comment",
|
|
ContainerConfig: &container.Config{
|
|
Cmd: []string{"echo", "foo"},
|
|
},
|
|
Config: &container.Config{},
|
|
}
|
|
|
|
newImage := NewChildImage(parent, childConfig, "platform")
|
|
expectedDiffIDs := []layer.DiffID{layer.DiffID("ba5e"), layer.DiffID("abcdef")}
|
|
assert.Equal(t, expectedDiffIDs, newImage.RootFS.DiffIDs)
|
|
assert.Equal(t, childConfig.Author, newImage.Author)
|
|
assert.Equal(t, childConfig.Config, newImage.Config)
|
|
assert.Equal(t, *childConfig.ContainerConfig, newImage.ContainerConfig)
|
|
assert.Equal(t, "platform", newImage.OS)
|
|
assert.Equal(t, childConfig.Config, newImage.Config)
|
|
|
|
assert.Len(t, newImage.History, 2)
|
|
assert.Equal(t, childConfig.Comment, newImage.History[1].Comment)
|
|
|
|
// RootFS should be copied not mutated
|
|
assert.NotEqual(t, parent.RootFS.DiffIDs, newImage.RootFS.DiffIDs)
|
|
}
|