111 lines
3.2 KiB
Go
111 lines
3.2 KiB
Go
package manifestlist
|
|
|
|
import (
|
|
"bytes"
|
|
"encoding/json"
|
|
"reflect"
|
|
"testing"
|
|
|
|
"github.com/docker/distribution"
|
|
)
|
|
|
|
var expectedManifestListSerialization = []byte(`{
|
|
"schemaVersion": 2,
|
|
"mediaType": "application/vnd.docker.distribution.manifest.list.v2+json",
|
|
"manifests": [
|
|
{
|
|
"mediaType": "application/vnd.docker.distribution.manifest.v2+json",
|
|
"size": 985,
|
|
"digest": "sha256:1a9ec845ee94c202b2d5da74a24f0ed2058318bfa9879fa541efaecba272e86b",
|
|
"platform": {
|
|
"architecture": "amd64",
|
|
"os": "linux",
|
|
"features": [
|
|
"sse4"
|
|
]
|
|
}
|
|
},
|
|
{
|
|
"mediaType": "application/vnd.docker.distribution.manifest.v2+json",
|
|
"size": 2392,
|
|
"digest": "sha256:6346340964309634683409684360934680934608934608934608934068934608",
|
|
"platform": {
|
|
"architecture": "sun4m",
|
|
"os": "sunos"
|
|
}
|
|
}
|
|
]
|
|
}`)
|
|
|
|
func TestManifestList(t *testing.T) {
|
|
manifestDescriptors := []ManifestDescriptor{
|
|
{
|
|
Descriptor: distribution.Descriptor{
|
|
Digest: "sha256:1a9ec845ee94c202b2d5da74a24f0ed2058318bfa9879fa541efaecba272e86b",
|
|
Size: 985,
|
|
MediaType: "application/vnd.docker.distribution.manifest.v2+json",
|
|
},
|
|
Platform: PlatformSpec{
|
|
Architecture: "amd64",
|
|
OS: "linux",
|
|
Features: []string{"sse4"},
|
|
},
|
|
},
|
|
{
|
|
Descriptor: distribution.Descriptor{
|
|
Digest: "sha256:6346340964309634683409684360934680934608934608934608934068934608",
|
|
Size: 2392,
|
|
MediaType: "application/vnd.docker.distribution.manifest.v2+json",
|
|
},
|
|
Platform: PlatformSpec{
|
|
Architecture: "sun4m",
|
|
OS: "sunos",
|
|
},
|
|
},
|
|
}
|
|
|
|
deserialized, err := FromDescriptors(manifestDescriptors)
|
|
if err != nil {
|
|
t.Fatalf("error creating DeserializedManifestList: %v", err)
|
|
}
|
|
|
|
mediaType, canonical, err := deserialized.Payload()
|
|
|
|
if mediaType != MediaTypeManifestList {
|
|
t.Fatalf("unexpected media type: %s", mediaType)
|
|
}
|
|
|
|
// Check that the canonical field is the same as json.MarshalIndent
|
|
// with these parameters.
|
|
p, err := json.MarshalIndent(&deserialized.ManifestList, "", " ")
|
|
if err != nil {
|
|
t.Fatalf("error marshaling manifest list: %v", err)
|
|
}
|
|
if !bytes.Equal(p, canonical) {
|
|
t.Fatalf("manifest bytes not equal: %q != %q", string(canonical), string(p))
|
|
}
|
|
|
|
// Check that the canonical field has the expected value.
|
|
if !bytes.Equal(expectedManifestListSerialization, canonical) {
|
|
t.Fatalf("manifest bytes not equal: %q != %q", string(canonical), string(expectedManifestListSerialization))
|
|
}
|
|
|
|
var unmarshalled DeserializedManifestList
|
|
if err := json.Unmarshal(deserialized.canonical, &unmarshalled); err != nil {
|
|
t.Fatalf("error unmarshaling manifest: %v", err)
|
|
}
|
|
|
|
if !reflect.DeepEqual(&unmarshalled, deserialized) {
|
|
t.Fatalf("manifests are different after unmarshaling: %v != %v", unmarshalled, *deserialized)
|
|
}
|
|
|
|
references := deserialized.References()
|
|
if len(references) != 2 {
|
|
t.Fatalf("unexpected number of references: %d", len(references))
|
|
}
|
|
for i := range references {
|
|
if !reflect.DeepEqual(references[i], manifestDescriptors[i].Descriptor) {
|
|
t.Fatalf("unexpected value %d returned by References: %v", i, references[i])
|
|
}
|
|
}
|
|
}
|