1
0
Fork 0
mirror of https://github.com/moby/moby.git synced 2022-11-09 12:21:53 -05:00
moby--moby/distribution/push_v2_test.go
Derek McGowan bb37c67a90 Abstract distribution interfaces from image specific types
Move configurations into a single file.
Abstract download manager in pull config.
Add supports for schema2 only and schema2 type checking.
Add interface for providing push layers.
Abstract image store to generically handle configurations.

Signed-off-by: Derek McGowan <derek@mcgstyle.net>
(cherry picked from commit 3c7676a057)
2016-12-27 13:31:06 -08:00

579 lines
23 KiB
Go

package distribution
import (
"net/http"
"reflect"
"testing"
"github.com/docker/distribution"
"github.com/docker/distribution/context"
"github.com/docker/distribution/digest"
"github.com/docker/distribution/manifest/schema2"
distreference "github.com/docker/distribution/reference"
"github.com/docker/docker/distribution/metadata"
"github.com/docker/docker/layer"
"github.com/docker/docker/pkg/progress"
"github.com/docker/docker/reference"
)
func TestGetRepositoryMountCandidates(t *testing.T) {
for _, tc := range []struct {
name string
hmacKey string
targetRepo string
maxCandidates int
metadata []metadata.V2Metadata
candidates []metadata.V2Metadata
}{
{
name: "empty metadata",
targetRepo: "busybox",
maxCandidates: -1,
metadata: []metadata.V2Metadata{},
candidates: []metadata.V2Metadata{},
},
{
name: "one item not matching",
targetRepo: "busybox",
maxCandidates: -1,
metadata: []metadata.V2Metadata{taggedMetadata("key", "dgst", "127.0.0.1/repo")},
candidates: []metadata.V2Metadata{},
},
{
name: "one item matching",
targetRepo: "busybox",
maxCandidates: -1,
metadata: []metadata.V2Metadata{taggedMetadata("hash", "1", "hello-world")},
candidates: []metadata.V2Metadata{taggedMetadata("hash", "1", "hello-world")},
},
{
name: "allow missing SourceRepository",
targetRepo: "busybox",
maxCandidates: -1,
metadata: []metadata.V2Metadata{
{Digest: digest.Digest("1")},
{Digest: digest.Digest("3")},
{Digest: digest.Digest("2")},
},
candidates: []metadata.V2Metadata{},
},
{
name: "handle docker.io",
targetRepo: "user/app",
maxCandidates: -1,
metadata: []metadata.V2Metadata{
{Digest: digest.Digest("1"), SourceRepository: "docker.io/user/foo"},
{Digest: digest.Digest("3"), SourceRepository: "user/bar"},
{Digest: digest.Digest("2"), SourceRepository: "app"},
},
candidates: []metadata.V2Metadata{
{Digest: digest.Digest("3"), SourceRepository: "user/bar"},
{Digest: digest.Digest("1"), SourceRepository: "docker.io/user/foo"},
{Digest: digest.Digest("2"), SourceRepository: "app"},
},
},
{
name: "sort more items",
hmacKey: "abcd",
targetRepo: "127.0.0.1/foo/bar",
maxCandidates: -1,
metadata: []metadata.V2Metadata{
taggedMetadata("hash", "1", "hello-world"),
taggedMetadata("efgh", "2", "127.0.0.1/hello-world"),
taggedMetadata("abcd", "3", "busybox"),
taggedMetadata("hash", "4", "busybox"),
taggedMetadata("hash", "5", "127.0.0.1/foo"),
taggedMetadata("hash", "6", "127.0.0.1/bar"),
taggedMetadata("efgh", "7", "127.0.0.1/foo/bar"),
taggedMetadata("abcd", "8", "127.0.0.1/xyz"),
taggedMetadata("hash", "9", "127.0.0.1/foo/app"),
},
candidates: []metadata.V2Metadata{
// first by matching hash
taggedMetadata("abcd", "8", "127.0.0.1/xyz"),
// then by longest matching prefix
taggedMetadata("hash", "9", "127.0.0.1/foo/app"),
taggedMetadata("hash", "5", "127.0.0.1/foo"),
// sort the rest of the matching items in reversed order
taggedMetadata("hash", "6", "127.0.0.1/bar"),
taggedMetadata("efgh", "2", "127.0.0.1/hello-world"),
},
},
{
name: "limit max candidates",
hmacKey: "abcd",
targetRepo: "user/app",
maxCandidates: 3,
metadata: []metadata.V2Metadata{
taggedMetadata("abcd", "1", "user/app1"),
taggedMetadata("abcd", "2", "user/app/base"),
taggedMetadata("hash", "3", "user/app"),
taggedMetadata("abcd", "4", "127.0.0.1/user/app"),
taggedMetadata("hash", "5", "user/foo"),
taggedMetadata("hash", "6", "app/bar"),
},
candidates: []metadata.V2Metadata{
// first by matching hash
taggedMetadata("abcd", "2", "user/app/base"),
taggedMetadata("abcd", "1", "user/app1"),
// then by longest matching prefix
taggedMetadata("hash", "3", "user/app"),
},
},
} {
repoInfo, err := reference.ParseNamed(tc.targetRepo)
if err != nil {
t.Fatalf("[%s] failed to parse reference name: %v", tc.name, err)
}
candidates := getRepositoryMountCandidates(repoInfo, []byte(tc.hmacKey), tc.maxCandidates, tc.metadata)
if len(candidates) != len(tc.candidates) {
t.Errorf("[%s] got unexpected number of candidates: %d != %d", tc.name, len(candidates), len(tc.candidates))
}
for i := 0; i < len(candidates) && i < len(tc.candidates); i++ {
if !reflect.DeepEqual(candidates[i], tc.candidates[i]) {
t.Errorf("[%s] candidate %d does not match expected: %#+v != %#+v", tc.name, i, candidates[i], tc.candidates[i])
}
}
for i := len(candidates); i < len(tc.candidates); i++ {
t.Errorf("[%s] missing expected candidate at position %d (%#+v)", tc.name, i, tc.candidates[i])
}
for i := len(tc.candidates); i < len(candidates); i++ {
t.Errorf("[%s] got unexpected candidate at position %d (%#+v)", tc.name, i, candidates[i])
}
}
}
func TestLayerAlreadyExists(t *testing.T) {
for _, tc := range []struct {
name string
metadata []metadata.V2Metadata
targetRepo string
hmacKey string
maxExistenceChecks int
checkOtherRepositories bool
remoteBlobs map[digest.Digest]distribution.Descriptor
remoteErrors map[digest.Digest]error
expectedDescriptor distribution.Descriptor
expectedExists bool
expectedError error
expectedRequests []string
expectedAdditions []metadata.V2Metadata
expectedRemovals []metadata.V2Metadata
}{
{
name: "empty metadata",
targetRepo: "busybox",
maxExistenceChecks: 3,
checkOtherRepositories: true,
},
{
name: "single not existent metadata",
targetRepo: "busybox",
metadata: []metadata.V2Metadata{{Digest: digest.Digest("pear"), SourceRepository: "docker.io/library/busybox"}},
maxExistenceChecks: 3,
expectedRequests: []string{"pear"},
expectedRemovals: []metadata.V2Metadata{{Digest: digest.Digest("pear"), SourceRepository: "docker.io/library/busybox"}},
},
{
name: "access denied",
targetRepo: "busybox",
maxExistenceChecks: 1,
metadata: []metadata.V2Metadata{{Digest: digest.Digest("apple"), SourceRepository: "docker.io/library/busybox"}},
remoteErrors: map[digest.Digest]error{digest.Digest("apple"): distribution.ErrAccessDenied},
expectedError: nil,
expectedRequests: []string{"apple"},
},
{
name: "not matching reposies",
targetRepo: "busybox",
maxExistenceChecks: 3,
metadata: []metadata.V2Metadata{
{Digest: digest.Digest("apple"), SourceRepository: "docker.io/library/hello-world"},
{Digest: digest.Digest("orange"), SourceRepository: "docker.io/library/busybox/subapp"},
{Digest: digest.Digest("pear"), SourceRepository: "docker.io/busybox"},
{Digest: digest.Digest("plum"), SourceRepository: "busybox"},
{Digest: digest.Digest("banana"), SourceRepository: "127.0.0.1/busybox"},
},
},
{
name: "check other repositories",
targetRepo: "busybox",
maxExistenceChecks: 10,
checkOtherRepositories: true,
metadata: []metadata.V2Metadata{
{Digest: digest.Digest("apple"), SourceRepository: "docker.io/library/hello-world"},
{Digest: digest.Digest("orange"), SourceRepository: "docker.io/library/busybox/subapp"},
{Digest: digest.Digest("pear"), SourceRepository: "docker.io/busybox"},
{Digest: digest.Digest("plum"), SourceRepository: "busybox"},
{Digest: digest.Digest("banana"), SourceRepository: "127.0.0.1/busybox"},
},
expectedRequests: []string{"plum", "pear", "apple", "orange", "banana"},
},
{
name: "find existing blob",
targetRepo: "busybox",
metadata: []metadata.V2Metadata{{Digest: digest.Digest("apple"), SourceRepository: "docker.io/library/busybox"}},
maxExistenceChecks: 3,
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("apple"): {Digest: digest.Digest("apple")}},
expectedDescriptor: distribution.Descriptor{Digest: digest.Digest("apple"), MediaType: schema2.MediaTypeLayer},
expectedExists: true,
expectedRequests: []string{"apple"},
},
{
name: "find existing blob with different hmac",
targetRepo: "busybox",
metadata: []metadata.V2Metadata{{SourceRepository: "docker.io/library/busybox", Digest: digest.Digest("apple"), HMAC: "dummyhmac"}},
maxExistenceChecks: 3,
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("apple"): {Digest: digest.Digest("apple")}},
expectedDescriptor: distribution.Descriptor{Digest: digest.Digest("apple"), MediaType: schema2.MediaTypeLayer},
expectedExists: true,
expectedRequests: []string{"apple"},
expectedAdditions: []metadata.V2Metadata{{Digest: digest.Digest("apple"), SourceRepository: "docker.io/library/busybox"}},
},
{
name: "overwrite media types",
targetRepo: "busybox",
metadata: []metadata.V2Metadata{{Digest: digest.Digest("apple"), SourceRepository: "docker.io/library/busybox"}},
hmacKey: "key",
maxExistenceChecks: 3,
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("apple"): {Digest: digest.Digest("apple"), MediaType: "custom-media-type"}},
expectedDescriptor: distribution.Descriptor{Digest: digest.Digest("apple"), MediaType: schema2.MediaTypeLayer},
expectedExists: true,
expectedRequests: []string{"apple"},
expectedAdditions: []metadata.V2Metadata{taggedMetadata("key", "apple", "docker.io/library/busybox")},
},
{
name: "find existing blob among many",
targetRepo: "127.0.0.1/myapp",
hmacKey: "key",
metadata: []metadata.V2Metadata{
taggedMetadata("someotherkey", "pear", "127.0.0.1/myapp"),
taggedMetadata("key", "apple", "127.0.0.1/myapp"),
taggedMetadata("", "plum", "127.0.0.1/myapp"),
},
maxExistenceChecks: 3,
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("pear"): {Digest: digest.Digest("pear")}},
expectedDescriptor: distribution.Descriptor{Digest: digest.Digest("pear"), MediaType: schema2.MediaTypeLayer},
expectedExists: true,
expectedRequests: []string{"apple", "plum", "pear"},
expectedAdditions: []metadata.V2Metadata{taggedMetadata("key", "pear", "127.0.0.1/myapp")},
expectedRemovals: []metadata.V2Metadata{
taggedMetadata("key", "apple", "127.0.0.1/myapp"),
{Digest: digest.Digest("plum"), SourceRepository: "127.0.0.1/myapp"},
},
},
{
name: "reach maximum existence checks",
targetRepo: "user/app",
metadata: []metadata.V2Metadata{
{Digest: digest.Digest("pear"), SourceRepository: "docker.io/user/app"},
{Digest: digest.Digest("apple"), SourceRepository: "docker.io/user/app"},
{Digest: digest.Digest("plum"), SourceRepository: "docker.io/user/app"},
{Digest: digest.Digest("banana"), SourceRepository: "docker.io/user/app"},
},
maxExistenceChecks: 3,
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("pear"): {Digest: digest.Digest("pear")}},
expectedExists: false,
expectedRequests: []string{"banana", "plum", "apple"},
expectedRemovals: []metadata.V2Metadata{
{Digest: digest.Digest("banana"), SourceRepository: "docker.io/user/app"},
{Digest: digest.Digest("plum"), SourceRepository: "docker.io/user/app"},
{Digest: digest.Digest("apple"), SourceRepository: "docker.io/user/app"},
},
},
{
name: "zero allowed existence checks",
targetRepo: "user/app",
metadata: []metadata.V2Metadata{
{Digest: digest.Digest("pear"), SourceRepository: "docker.io/user/app"},
{Digest: digest.Digest("apple"), SourceRepository: "docker.io/user/app"},
{Digest: digest.Digest("plum"), SourceRepository: "docker.io/user/app"},
{Digest: digest.Digest("banana"), SourceRepository: "docker.io/user/app"},
},
maxExistenceChecks: 0,
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("pear"): {Digest: digest.Digest("pear")}},
},
{
name: "stat single digest just once",
targetRepo: "busybox",
metadata: []metadata.V2Metadata{
taggedMetadata("key1", "pear", "docker.io/library/busybox"),
taggedMetadata("key2", "apple", "docker.io/library/busybox"),
taggedMetadata("key3", "apple", "docker.io/library/busybox"),
},
maxExistenceChecks: 3,
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("pear"): {Digest: digest.Digest("pear")}},
expectedDescriptor: distribution.Descriptor{Digest: digest.Digest("pear"), MediaType: schema2.MediaTypeLayer},
expectedExists: true,
expectedRequests: []string{"apple", "pear"},
expectedAdditions: []metadata.V2Metadata{{Digest: digest.Digest("pear"), SourceRepository: "docker.io/library/busybox"}},
expectedRemovals: []metadata.V2Metadata{taggedMetadata("key3", "apple", "docker.io/library/busybox")},
},
{
name: "don't stop on first error",
targetRepo: "user/app",
hmacKey: "key",
metadata: []metadata.V2Metadata{
taggedMetadata("key", "banana", "docker.io/user/app"),
taggedMetadata("key", "orange", "docker.io/user/app"),
taggedMetadata("key", "plum", "docker.io/user/app"),
},
maxExistenceChecks: 3,
remoteErrors: map[digest.Digest]error{"orange": distribution.ErrAccessDenied},
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("apple"): {}},
expectedError: nil,
expectedRequests: []string{"plum", "orange", "banana"},
expectedRemovals: []metadata.V2Metadata{
taggedMetadata("key", "plum", "docker.io/user/app"),
taggedMetadata("key", "banana", "docker.io/user/app"),
},
},
{
name: "remove outdated metadata",
targetRepo: "docker.io/user/app",
metadata: []metadata.V2Metadata{
{Digest: digest.Digest("plum"), SourceRepository: "docker.io/library/busybox"},
{Digest: digest.Digest("orange"), SourceRepository: "docker.io/user/app"},
},
maxExistenceChecks: 3,
remoteErrors: map[digest.Digest]error{"orange": distribution.ErrBlobUnknown},
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("plum"): {}},
expectedExists: false,
expectedRequests: []string{"orange"},
expectedRemovals: []metadata.V2Metadata{{Digest: digest.Digest("orange"), SourceRepository: "docker.io/user/app"}},
},
{
name: "missing SourceRepository",
targetRepo: "busybox",
metadata: []metadata.V2Metadata{
{Digest: digest.Digest("1")},
{Digest: digest.Digest("3")},
{Digest: digest.Digest("2")},
},
maxExistenceChecks: 3,
expectedExists: false,
expectedRequests: []string{"2", "3", "1"},
},
{
name: "with and without SourceRepository",
targetRepo: "busybox",
metadata: []metadata.V2Metadata{
{Digest: digest.Digest("1")},
{Digest: digest.Digest("2"), SourceRepository: "docker.io/library/busybox"},
{Digest: digest.Digest("3")},
},
remoteBlobs: map[digest.Digest]distribution.Descriptor{digest.Digest("1"): {Digest: digest.Digest("1")}},
maxExistenceChecks: 3,
expectedDescriptor: distribution.Descriptor{Digest: digest.Digest("1"), MediaType: schema2.MediaTypeLayer},
expectedExists: true,
expectedRequests: []string{"2", "3", "1"},
expectedAdditions: []metadata.V2Metadata{{Digest: digest.Digest("1"), SourceRepository: "docker.io/library/busybox"}},
expectedRemovals: []metadata.V2Metadata{
{Digest: digest.Digest("2"), SourceRepository: "docker.io/library/busybox"},
},
},
} {
repoInfo, err := reference.ParseNamed(tc.targetRepo)
if err != nil {
t.Fatalf("[%s] failed to parse reference name: %v", tc.name, err)
}
repo := &mockRepo{
t: t,
errors: tc.remoteErrors,
blobs: tc.remoteBlobs,
requests: []string{},
}
ctx := context.Background()
ms := &mockV2MetadataService{}
pd := &v2PushDescriptor{
hmacKey: []byte(tc.hmacKey),
repoInfo: repoInfo,
layer: &storeLayer{
Layer: layer.EmptyLayer,
},
repo: repo,
v2MetadataService: ms,
pushState: &pushState{remoteLayers: make(map[layer.DiffID]distribution.Descriptor)},
checkedDigests: make(map[digest.Digest]struct{}),
}
desc, exists, err := pd.layerAlreadyExists(ctx, &progressSink{t}, layer.EmptyLayer.DiffID(), tc.checkOtherRepositories, tc.maxExistenceChecks, tc.metadata)
if !reflect.DeepEqual(desc, tc.expectedDescriptor) {
t.Errorf("[%s] got unexpected descriptor: %#+v != %#+v", tc.name, desc, tc.expectedDescriptor)
}
if exists != tc.expectedExists {
t.Errorf("[%s] got unexpected exists: %t != %t", tc.name, exists, tc.expectedExists)
}
if !reflect.DeepEqual(err, tc.expectedError) {
t.Errorf("[%s] got unexpected error: %#+v != %#+v", tc.name, err, tc.expectedError)
}
if len(repo.requests) != len(tc.expectedRequests) {
t.Errorf("[%s] got unexpected number of requests: %d != %d", tc.name, len(repo.requests), len(tc.expectedRequests))
}
for i := 0; i < len(repo.requests) && i < len(tc.expectedRequests); i++ {
if repo.requests[i] != tc.expectedRequests[i] {
t.Errorf("[%s] request %d does not match expected: %q != %q", tc.name, i, repo.requests[i], tc.expectedRequests[i])
}
}
for i := len(repo.requests); i < len(tc.expectedRequests); i++ {
t.Errorf("[%s] missing expected request at position %d (%q)", tc.name, i, tc.expectedRequests[i])
}
for i := len(tc.expectedRequests); i < len(repo.requests); i++ {
t.Errorf("[%s] got unexpected request at position %d (%q)", tc.name, i, repo.requests[i])
}
if len(ms.added) != len(tc.expectedAdditions) {
t.Errorf("[%s] got unexpected number of additions: %d != %d", tc.name, len(ms.added), len(tc.expectedAdditions))
}
for i := 0; i < len(ms.added) && i < len(tc.expectedAdditions); i++ {
if ms.added[i] != tc.expectedAdditions[i] {
t.Errorf("[%s] added metadata at %d does not match expected: %q != %q", tc.name, i, ms.added[i], tc.expectedAdditions[i])
}
}
for i := len(ms.added); i < len(tc.expectedAdditions); i++ {
t.Errorf("[%s] missing expected addition at position %d (%q)", tc.name, i, tc.expectedAdditions[i])
}
for i := len(tc.expectedAdditions); i < len(ms.added); i++ {
t.Errorf("[%s] unexpected metadata addition at position %d (%q)", tc.name, i, ms.added[i])
}
if len(ms.removed) != len(tc.expectedRemovals) {
t.Errorf("[%s] got unexpected number of removals: %d != %d", tc.name, len(ms.removed), len(tc.expectedRemovals))
}
for i := 0; i < len(ms.removed) && i < len(tc.expectedRemovals); i++ {
if ms.removed[i] != tc.expectedRemovals[i] {
t.Errorf("[%s] removed metadata at %d does not match expected: %q != %q", tc.name, i, ms.removed[i], tc.expectedRemovals[i])
}
}
for i := len(ms.removed); i < len(tc.expectedRemovals); i++ {
t.Errorf("[%s] missing expected removal at position %d (%q)", tc.name, i, tc.expectedRemovals[i])
}
for i := len(tc.expectedRemovals); i < len(ms.removed); i++ {
t.Errorf("[%s] removed unexpected metadata at position %d (%q)", tc.name, i, ms.removed[i])
}
}
}
func taggedMetadata(key string, dgst string, sourceRepo string) metadata.V2Metadata {
meta := metadata.V2Metadata{
Digest: digest.Digest(dgst),
SourceRepository: sourceRepo,
}
meta.HMAC = metadata.ComputeV2MetadataHMAC([]byte(key), &meta)
return meta
}
type mockRepo struct {
t *testing.T
errors map[digest.Digest]error
blobs map[digest.Digest]distribution.Descriptor
requests []string
}
var _ distribution.Repository = &mockRepo{}
func (m *mockRepo) Named() distreference.Named {
m.t.Fatalf("Named() not implemented")
return nil
}
func (m *mockRepo) Manifests(ctc context.Context, options ...distribution.ManifestServiceOption) (distribution.ManifestService, error) {
m.t.Fatalf("Manifests() not implemented")
return nil, nil
}
func (m *mockRepo) Tags(ctc context.Context) distribution.TagService {
m.t.Fatalf("Tags() not implemented")
return nil
}
func (m *mockRepo) Blobs(ctx context.Context) distribution.BlobStore {
return &mockBlobStore{
repo: m,
}
}
type mockBlobStore struct {
repo *mockRepo
}
var _ distribution.BlobStore = &mockBlobStore{}
func (m *mockBlobStore) Stat(ctx context.Context, dgst digest.Digest) (distribution.Descriptor, error) {
m.repo.requests = append(m.repo.requests, dgst.String())
if err, exists := m.repo.errors[dgst]; exists {
return distribution.Descriptor{}, err
}
if desc, exists := m.repo.blobs[dgst]; exists {
return desc, nil
}
return distribution.Descriptor{}, distribution.ErrBlobUnknown
}
func (m *mockBlobStore) Get(ctx context.Context, dgst digest.Digest) ([]byte, error) {
m.repo.t.Fatal("Get() not implemented")
return nil, nil
}
func (m *mockBlobStore) Open(ctx context.Context, dgst digest.Digest) (distribution.ReadSeekCloser, error) {
m.repo.t.Fatal("Open() not implemented")
return nil, nil
}
func (m *mockBlobStore) Put(ctx context.Context, mediaType string, p []byte) (distribution.Descriptor, error) {
m.repo.t.Fatal("Put() not implemented")
return distribution.Descriptor{}, nil
}
func (m *mockBlobStore) Create(ctx context.Context, options ...distribution.BlobCreateOption) (distribution.BlobWriter, error) {
m.repo.t.Fatal("Create() not implemented")
return nil, nil
}
func (m *mockBlobStore) Resume(ctx context.Context, id string) (distribution.BlobWriter, error) {
m.repo.t.Fatal("Resume() not implemented")
return nil, nil
}
func (m *mockBlobStore) Delete(ctx context.Context, dgst digest.Digest) error {
m.repo.t.Fatal("Delete() not implemented")
return nil
}
func (m *mockBlobStore) ServeBlob(ctx context.Context, w http.ResponseWriter, r *http.Request, dgst digest.Digest) error {
m.repo.t.Fatalf("ServeBlob() not implemented")
return nil
}
type mockV2MetadataService struct {
added []metadata.V2Metadata
removed []metadata.V2Metadata
}
var _ metadata.V2MetadataService = &mockV2MetadataService{}
func (*mockV2MetadataService) GetMetadata(diffID layer.DiffID) ([]metadata.V2Metadata, error) {
return nil, nil
}
func (*mockV2MetadataService) GetDiffID(dgst digest.Digest) (layer.DiffID, error) {
return "", nil
}
func (m *mockV2MetadataService) Add(diffID layer.DiffID, metadata metadata.V2Metadata) error {
m.added = append(m.added, metadata)
return nil
}
func (m *mockV2MetadataService) TagAndAdd(diffID layer.DiffID, hmacKey []byte, meta metadata.V2Metadata) error {
meta.HMAC = metadata.ComputeV2MetadataHMAC(hmacKey, &meta)
m.Add(diffID, meta)
return nil
}
func (m *mockV2MetadataService) Remove(metadata metadata.V2Metadata) error {
m.removed = append(m.removed, metadata)
return nil
}
type progressSink struct {
t *testing.T
}
func (s *progressSink) WriteProgress(p progress.Progress) error {
s.t.Logf("progress update: %#+v", p)
return nil
}