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extendedcopy_test.go
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extendedcopy_test.go
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/*
Copyright The ORAS Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package oras_test
import (
"bytes"
"context"
"encoding/json"
"errors"
"net/http"
"net/http/httptest"
"net/url"
"reflect"
"regexp"
"strconv"
"strings"
"testing"
"github.com/opencontainers/go-digest"
specs "github.com/opencontainers/image-spec/specs-go"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"oras.land/oras-go/v2"
"oras.land/oras-go/v2/content"
"oras.land/oras-go/v2/content/memory"
"oras.land/oras-go/v2/errdef"
"oras.land/oras-go/v2/internal/spec"
"oras.land/oras-go/v2/registry/remote"
)
func TestExtendedCopy_FullCopy(t *testing.T) {
src := memory.New()
dst := memory.New()
// generate test content
var blobs [][]byte
var descs []ocispec.Descriptor
appendBlob := func(mediaType string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
})
}
generateManifest := func(subject *ocispec.Descriptor, config ocispec.Descriptor, layers ...ocispec.Descriptor) {
manifest := ocispec.Manifest{
Config: config,
Layers: layers,
Subject: subject,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(ocispec.MediaTypeImageManifest, manifestJSON)
}
generateArtifactManifest := func(subject ocispec.Descriptor, blobs ...ocispec.Descriptor) {
manifest := spec.Artifact{
MediaType: spec.MediaTypeArtifactManifest,
Subject: &subject,
Blobs: blobs,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(spec.MediaTypeArtifactManifest, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageConfig, []byte("config")) // Blob 0
appendBlob(ocispec.MediaTypeImageLayer, []byte("foo")) // Blob 1
appendBlob(ocispec.MediaTypeImageLayer, []byte("bar")) // Blob 2
generateManifest(nil, descs[0], descs[1:3]...) // Blob 3
appendBlob(ocispec.MediaTypeImageLayer, []byte("sig_1")) // Blob 4
generateArtifactManifest(descs[3], descs[4]) // Blob 5
appendBlob(ocispec.MediaTypeImageLayer, []byte("sig_2")) // Blob 6
generateArtifactManifest(descs[5], descs[6]) // Blob 7
appendBlob(ocispec.MediaTypeImageLayer, []byte("baz")) // Blob 8
generateManifest(&descs[3], descs[0], descs[8]) // Blob 9
ctx := context.Background()
for i := range blobs {
err := src.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
manifest := descs[3]
ref := "foobar"
err := src.Tag(ctx, manifest, ref)
if err != nil {
t.Fatal("fail to tag root node", err)
}
// test extended copy
gotDesc, err := oras.ExtendedCopy(ctx, src, ref, dst, "", oras.ExtendedCopyOptions{})
if err != nil {
t.Fatalf("Copy() error = %v, wantErr %v", err, false)
}
if !reflect.DeepEqual(gotDesc, manifest) {
t.Errorf("Copy() = %v, want %v", gotDesc, manifest)
}
// verify contents
for i, desc := range descs {
exists, err := dst.Exists(ctx, desc)
if err != nil {
t.Fatalf("dst.Exists(%d) error = %v", i, err)
}
if !exists {
t.Errorf("dst.Exists(%d) = %v, want %v", i, exists, true)
}
}
// verify tag
gotDesc, err = dst.Resolve(ctx, ref)
if err != nil {
t.Fatal("dst.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifest) {
t.Errorf("dst.Resolve() = %v, want %v", gotDesc, manifest)
}
}
func TestExtendedCopyGraph_FullCopy(t *testing.T) {
// generate test content
var blobs [][]byte
var descs []ocispec.Descriptor
appendBlob := func(mediaType string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
})
}
generateManifest := func(config ocispec.Descriptor, layers ...ocispec.Descriptor) {
manifest := ocispec.Manifest{
Config: config,
Layers: layers,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(ocispec.MediaTypeImageManifest, manifestJSON)
}
generateIndex := func(manifests ...ocispec.Descriptor) {
index := ocispec.Index{
Manifests: manifests,
}
indexJSON, err := json.Marshal(index)
if err != nil {
t.Fatal(err)
}
appendBlob(ocispec.MediaTypeImageIndex, indexJSON)
}
generateArtifactManifest := func(subject ocispec.Descriptor, blobs ...ocispec.Descriptor) {
manifest := spec.Artifact{
MediaType: spec.MediaTypeArtifactManifest,
Subject: &subject,
Blobs: blobs,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(spec.MediaTypeArtifactManifest, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageConfig, []byte("config_1")) // Blob 0
appendBlob(ocispec.MediaTypeImageLayer, []byte("foo")) // Blob 1
appendBlob(ocispec.MediaTypeImageLayer, []byte("bar")) // Blob 2
generateManifest(descs[0], descs[1:3]...) // Blob 3
appendBlob(ocispec.MediaTypeImageLayer, []byte("baz")) // Blob 4
generateManifest(descs[0], descs[4]) // Blob 5 (root)
appendBlob(ocispec.MediaTypeImageConfig, []byte("config_2")) // Blob 6
appendBlob(ocispec.MediaTypeImageLayer, []byte("hello")) // Blob 7
generateManifest(descs[6], descs[7]) // Blob 8
appendBlob(ocispec.MediaTypeImageLayer, []byte("sig_1")) // Blob 9
generateArtifactManifest(descs[8], descs[9]) // Blob 10
generateIndex(descs[3], descs[10]) // Blob 11 (root)
appendBlob(ocispec.MediaTypeImageLayer, []byte("goodbye")) // Blob 12
appendBlob(ocispec.MediaTypeImageLayer, []byte("sig_2")) // Blob 13
generateArtifactManifest(descs[12], descs[13]) // Blob 14 (root)
ctx := context.Background()
verifyCopy := func(dst content.Fetcher, copiedIndice []int, uncopiedIndice []int) {
for _, i := range copiedIndice {
got, err := content.FetchAll(ctx, dst, descs[i])
if err != nil {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, false)
continue
}
if want := blobs[i]; !bytes.Equal(got, want) {
t.Errorf("content[%d] = %v, want %v", i, got, want)
}
}
for _, i := range uncopiedIndice {
if _, err := content.FetchAll(ctx, dst, descs[i]); !errors.Is(err, errdef.ErrNotFound) {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, errdef.ErrNotFound)
}
}
}
src := memory.New()
for i := range blobs {
err := src.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
// test extended copy by descs[0]
dst := memory.New()
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], oras.ExtendedCopyGraphOptions{}); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
// graph rooted by descs[11] should be copied
copiedIndice := []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
uncopiedIndice := []int{12, 13, 14}
verifyCopy(dst, copiedIndice, uncopiedIndice)
// test extended copy by descs[4]
dst = memory.New()
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[4], oras.ExtendedCopyGraphOptions{}); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
// graph rooted by descs[5] should be copied
copiedIndice = []int{0, 4, 5}
uncopiedIndice = []int{1, 2, 3, 6, 7, 8, 9, 10, 11, 12, 13, 14}
verifyCopy(dst, copiedIndice, uncopiedIndice)
// test extended copy by descs[14]
dst = memory.New()
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[14], oras.ExtendedCopyGraphOptions{}); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
// graph rooted by descs[14] should be copied
copiedIndice = []int{12, 13, 14}
uncopiedIndice = []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
verifyCopy(dst, copiedIndice, uncopiedIndice)
}
func TestExtendedCopyGraph_PartialCopy(t *testing.T) {
src := memory.New()
dst := memory.New()
// generate test content
var blobs [][]byte
var descs []ocispec.Descriptor
appendBlob := func(mediaType string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
})
}
generateManifest := func(config ocispec.Descriptor, layers ...ocispec.Descriptor) {
manifest := ocispec.Manifest{
Config: config,
Layers: layers,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(ocispec.MediaTypeImageManifest, manifestJSON)
}
generateIndex := func(manifests ...ocispec.Descriptor) {
index := ocispec.Index{
Manifests: manifests,
}
indexJSON, err := json.Marshal(index)
if err != nil {
t.Fatal(err)
}
appendBlob(ocispec.MediaTypeImageIndex, indexJSON)
}
appendBlob(ocispec.MediaTypeImageConfig, []byte("config")) // Blob 0
appendBlob(ocispec.MediaTypeImageLayer, []byte("foo")) // Blob 1
appendBlob(ocispec.MediaTypeImageLayer, []byte("bar")) // Blob 2
generateManifest(descs[0], descs[1:3]...) // Blob 3
appendBlob(ocispec.MediaTypeImageLayer, []byte("hello")) // Blob 4
generateManifest(descs[0], descs[4]) // Blob 5
generateIndex(descs[3], descs[5]) // Blob 6 (root)
ctx := context.Background()
for i := range blobs {
err := src.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
// test copy a part of the graph
root := descs[3]
if err := oras.CopyGraph(ctx, src, dst, root, oras.CopyGraphOptions{}); err != nil {
t.Fatalf("CopyGraph() error = %v, wantErr %v", err, false)
}
// blobs [0-3] should be copied
for i := range blobs[:4] {
got, err := content.FetchAll(ctx, dst, descs[i])
if err != nil {
t.Fatalf("content[%d] error = %v, wantErr %v", i, err, false)
}
if want := blobs[i]; !bytes.Equal(got, want) {
t.Fatalf("content[%d] = %v, want %v", i, got, want)
}
}
// test extended copy by descs[0]
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], oras.ExtendedCopyGraphOptions{}); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
// all blobs should be copied
for i := range blobs {
got, err := content.FetchAll(ctx, dst, descs[i])
if err != nil {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, false)
continue
}
if want := blobs[i]; !bytes.Equal(got, want) {
t.Errorf("content[%d] = %v, want %v", i, got, want)
}
}
}
func TestExtendedCopyGraph_WithDepthOption(t *testing.T) {
// generate test content
var blobs [][]byte
var descs []ocispec.Descriptor
appendBlob := func(mediaType string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
})
}
generateManifest := func(config ocispec.Descriptor, layers ...ocispec.Descriptor) {
manifest := ocispec.Manifest{
Config: config,
Layers: layers,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(ocispec.MediaTypeImageManifest, manifestJSON)
}
generateIndex := func(manifests ...ocispec.Descriptor) {
index := ocispec.Index{
Manifests: manifests,
}
indexJSON, err := json.Marshal(index)
if err != nil {
t.Fatal(err)
}
appendBlob(ocispec.MediaTypeImageIndex, indexJSON)
}
generateArtifactManifest := func(subject ocispec.Descriptor, blobs ...ocispec.Descriptor) {
manifest := spec.Artifact{
MediaType: spec.MediaTypeArtifactManifest,
Subject: &subject,
Blobs: blobs,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(spec.MediaTypeArtifactManifest, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageConfig, []byte("config_1")) // Blob 0
appendBlob(ocispec.MediaTypeImageLayer, []byte("foo")) // Blob 1
appendBlob(ocispec.MediaTypeImageLayer, []byte("bar")) // Blob 2
generateManifest(descs[0], descs[1:3]...) // Blob 3
appendBlob(ocispec.MediaTypeImageLayer, []byte("baz")) // Blob 4
generateManifest(descs[0], descs[4]) // Blob 5 (root)
appendBlob(ocispec.MediaTypeImageConfig, []byte("config_2")) // Blob 6
appendBlob(ocispec.MediaTypeImageLayer, []byte("hello")) // Blob 7
generateManifest(descs[6], descs[7]) // Blob 8
appendBlob(ocispec.MediaTypeImageLayer, []byte("sig_1")) // Blob 9
generateArtifactManifest(descs[8], descs[9]) // Blob 10
generateIndex(descs[3], descs[10]) // Blob 11 (root)
appendBlob(ocispec.MediaTypeImageLayer, []byte("goodbye")) // Blob 12
appendBlob(ocispec.MediaTypeImageLayer, []byte("sig_2")) // Blob 13
generateArtifactManifest(descs[12], descs[13]) // Blob 14 (root)
ctx := context.Background()
verifyCopy := func(dst content.Fetcher, copiedIndice []int, uncopiedIndice []int) {
for _, i := range copiedIndice {
got, err := content.FetchAll(ctx, dst, descs[i])
if err != nil {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, false)
continue
}
if want := blobs[i]; !bytes.Equal(got, want) {
t.Errorf("content[%d] = %v, want %v", i, got, want)
}
}
for _, i := range uncopiedIndice {
if _, err := content.FetchAll(ctx, dst, descs[i]); !errors.Is(err, errdef.ErrNotFound) {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, errdef.ErrNotFound)
}
}
}
src := memory.New()
for i := range blobs {
err := src.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
// test extended copy by descs[0] with default depth 0
dst := memory.New()
opts := oras.ExtendedCopyGraphOptions{}
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
// graph rooted by descs[11] should be copied
copiedIndice := []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
uncopiedIndice := []int{12, 13, 14}
verifyCopy(dst, copiedIndice, uncopiedIndice)
// test extended copy by descs[0] with depth of 1
dst = memory.New()
opts = oras.ExtendedCopyGraphOptions{Depth: 1}
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
// graph rooted by descs[3] and descs[5] should be copied
copiedIndice = []int{0, 1, 2, 3, 4, 5}
uncopiedIndice = []int{6, 7, 8, 9, 10, 11, 12, 13, 14}
verifyCopy(dst, copiedIndice, uncopiedIndice)
// test extended copy by descs[0] with depth of 2
dst = memory.New()
opts = oras.ExtendedCopyGraphOptions{Depth: 2}
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
// graph rooted by descs[11] should be copied
copiedIndice = []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
uncopiedIndice = []int{12, 13, 14}
verifyCopy(dst, copiedIndice, uncopiedIndice)
// test extended copy by descs[0] with depth -1
dst = memory.New()
opts = oras.ExtendedCopyGraphOptions{Depth: -1}
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
// graph rooted by descs[11] should be copied
copiedIndice = []int{0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11}
uncopiedIndice = []int{12, 13, 14}
verifyCopy(dst, copiedIndice, uncopiedIndice)
}
func TestExtendedCopyGraph_WithFindPredecessorsOption(t *testing.T) {
// generate test content
var blobs [][]byte
var descs []ocispec.Descriptor
appendBlob := func(mediaType string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
})
}
generateManifest := func(config ocispec.Descriptor, layers ...ocispec.Descriptor) {
manifest := ocispec.Manifest{
Config: config,
Layers: layers,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(ocispec.MediaTypeImageManifest, manifestJSON)
}
generateIndex := func(manifests ...ocispec.Descriptor) {
index := ocispec.Index{
Manifests: manifests,
}
indexJSON, err := json.Marshal(index)
if err != nil {
t.Fatal(err)
}
appendBlob(ocispec.MediaTypeImageIndex, indexJSON)
}
generateArtifactManifest := func(subject ocispec.Descriptor, blobs ...ocispec.Descriptor) {
manifest := spec.Artifact{
MediaType: spec.MediaTypeArtifactManifest,
Subject: &subject,
Blobs: blobs,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(spec.MediaTypeArtifactManifest, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageConfig, []byte("config_1")) // Blob 0
appendBlob(ocispec.MediaTypeImageLayer, []byte("foo")) // Blob 1
appendBlob(ocispec.MediaTypeImageLayer, []byte("bar")) // Blob 2
generateManifest(descs[0], descs[1:3]...) // Blob 3
appendBlob(ocispec.MediaTypeImageLayer, []byte("sig_1")) // Blob 4
generateArtifactManifest(descs[3], descs[4]) // Blob 5 (root)
appendBlob(ocispec.MediaTypeImageLayer, []byte("baz")) // Blob 6
generateArtifactManifest(descs[3], descs[6]) // Blob 7 (root)
appendBlob(ocispec.MediaTypeImageConfig, []byte("config_2")) // Blob 8
appendBlob(ocispec.MediaTypeImageLayer, []byte("hello")) // Blob 9
generateManifest(descs[8], descs[9]) // Blob 10
generateIndex(descs[3], descs[10]) // Blob 11 (root)
ctx := context.Background()
verifyCopy := func(dst content.Fetcher, copiedIndice []int, uncopiedIndice []int) {
for _, i := range copiedIndice {
got, err := content.FetchAll(ctx, dst, descs[i])
if err != nil {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, false)
continue
}
if want := blobs[i]; !bytes.Equal(got, want) {
t.Errorf("content[%d] = %v, want %v", i, got, want)
}
}
for _, i := range uncopiedIndice {
if _, err := content.FetchAll(ctx, dst, descs[i]); !errors.Is(err, errdef.ErrNotFound) {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, errdef.ErrNotFound)
}
}
}
src := memory.New()
for i := range blobs {
err := src.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
// test extended copy by descs[3] with media type filter
dst := memory.New()
opts := oras.ExtendedCopyGraphOptions{
FindPredecessors: func(ctx context.Context, src content.ReadOnlyGraphStorage, desc ocispec.Descriptor) ([]ocispec.Descriptor, error) {
predecessors, err := src.Predecessors(ctx, desc)
if err != nil {
return nil, err
}
var filtered []ocispec.Descriptor
for _, p := range predecessors {
// filter media type
switch p.MediaType {
case spec.MediaTypeArtifactManifest:
filtered = append(filtered, p)
}
}
return filtered, nil
},
}
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[3], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
// graph rooted by descs[5] and decs[7] should be copied
copiedIndice := []int{0, 1, 2, 3, 4, 5, 6, 7}
uncopiedIndice := []int{8, 9, 10, 11}
verifyCopy(dst, copiedIndice, uncopiedIndice)
}
func TestExtendedCopy_NotFound(t *testing.T) {
src := memory.New()
dst := memory.New()
ref := "foobar"
ctx := context.Background()
_, err := oras.ExtendedCopy(ctx, src, ref, dst, "", oras.ExtendedCopyOptions{})
if !errors.Is(err, errdef.ErrNotFound) {
t.Fatalf("ExtendedCopy() error = %v, wantErr %v", err, errdef.ErrNotFound)
}
}
func TestExtendedCopyGraph_FilterAnnotationWithRegex(t *testing.T) {
// generate test content
var blobs [][]byte
var descs []ocispec.Descriptor
appendBlob := func(mediaType string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
})
}
generateArtifactManifest := func(subject ocispec.Descriptor, key string, value string) {
manifest := spec.Artifact{
MediaType: spec.MediaTypeArtifactManifest,
Subject: &subject,
Annotations: map[string]string{key: value},
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(spec.MediaTypeArtifactManifest, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageLayer, []byte("foo")) // descs[0]
generateArtifactManifest(descs[0], "bar", "bluebrown") // descs[1]
generateArtifactManifest(descs[0], "bar", "blackred") // descs[2]
generateArtifactManifest(descs[0], "bar", "blackviolet") // descs[3]
generateArtifactManifest(descs[0], "bar", "greengrey") // descs[4]
generateArtifactManifest(descs[0], "bar", "brownblack") // descs[5]
ctx := context.Background()
verifyCopy := func(dst content.Fetcher, copiedIndice []int, uncopiedIndice []int) {
for _, i := range copiedIndice {
got, err := content.FetchAll(ctx, dst, descs[i])
if err != nil {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, false)
continue
}
if want := blobs[i]; !bytes.Equal(got, want) {
t.Errorf("content[%d] = %v, want %v", i, got, want)
}
}
for _, i := range uncopiedIndice {
if _, err := content.FetchAll(ctx, dst, descs[i]); !errors.Is(err, errdef.ErrNotFound) {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, errdef.ErrNotFound)
}
}
}
src := memory.New()
for i := range blobs {
err := src.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
// test extended copy by descs[0] with annotation filter
dst := memory.New()
opts := oras.ExtendedCopyGraphOptions{}
exp := "black."
regex := regexp.MustCompile(exp)
opts.FilterAnnotation("bar", regex)
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
copiedIndice := []int{0, 2, 3}
uncopiedIndice := []int{1, 4, 5}
verifyCopy(dst, copiedIndice, uncopiedIndice)
// test FilterAnnotation with key unavailable in predecessors' annotation
// should return nothing
dst = memory.New()
opts = oras.ExtendedCopyGraphOptions{}
exp = "black."
regex = regexp.MustCompile(exp)
opts.FilterAnnotation("bar1", regex)
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
copiedIndice = []int{0}
uncopiedIndice = []int{1, 2, 3, 4, 5}
verifyCopy(dst, copiedIndice, uncopiedIndice)
//test FilterAnnotation with key available in predecessors' annotation, regex equal to nil
//should return all predecessors with the provided key
dst = memory.New()
opts = oras.ExtendedCopyGraphOptions{}
opts.FilterAnnotation("bar", nil)
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
copiedIndice = []int{0, 1, 2, 3, 4, 5}
uncopiedIndice = []int{}
verifyCopy(dst, copiedIndice, uncopiedIndice)
}
func TestExtendedCopyGraph_FilterAnnotationWithMultipleRegex(t *testing.T) {
// generate test content
var blobs [][]byte
var descs []ocispec.Descriptor
appendBlob := func(mediaType string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
})
}
generateArtifactManifest := func(subject ocispec.Descriptor, key string, value string) {
manifest := spec.Artifact{
MediaType: spec.MediaTypeArtifactManifest,
Subject: &subject,
Annotations: map[string]string{key: value},
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(spec.MediaTypeArtifactManifest, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageLayer, []byte("foo")) // descs[0]
generateArtifactManifest(descs[0], "bar", "bluebrown") // descs[1]
generateArtifactManifest(descs[0], "bar", "blackred") // descs[2]
generateArtifactManifest(descs[0], "bar", "blackviolet") // descs[3]
generateArtifactManifest(descs[0], "bar", "greengrey") // descs[4]
generateArtifactManifest(descs[0], "bar", "brownblack") // descs[5]
generateArtifactManifest(descs[0], "bar", "blackblack") // descs[6]
ctx := context.Background()
verifyCopy := func(dst content.Fetcher, copiedIndice []int, uncopiedIndice []int) {
for _, i := range copiedIndice {
got, err := content.FetchAll(ctx, dst, descs[i])
if err != nil {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, false)
continue
}
if want := blobs[i]; !bytes.Equal(got, want) {
t.Errorf("content[%d] = %v, want %v", i, got, want)
}
}
for _, i := range uncopiedIndice {
if _, err := content.FetchAll(ctx, dst, descs[i]); !errors.Is(err, errdef.ErrNotFound) {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, errdef.ErrNotFound)
}
}
}
src := memory.New()
for i := range blobs {
err := src.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
// test extended copy by descs[0] with two annotation filters
dst := memory.New()
opts := oras.ExtendedCopyGraphOptions{}
exp1 := "black."
exp2 := ".pink|red"
regex1 := regexp.MustCompile(exp1)
regex2 := regexp.MustCompile(exp2)
opts.FilterAnnotation("bar", regex1)
opts.FilterAnnotation("bar", regex2)
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
copiedIndice := []int{0, 2}
uncopiedIndice := []int{1, 3, 4, 5, 6}
verifyCopy(dst, copiedIndice, uncopiedIndice)
// test extended copy by descs[0] with three annotation filters, nil included
dst = memory.New()
opts = oras.ExtendedCopyGraphOptions{}
exp1 = "black."
exp2 = ".pink|red"
regex1 = regexp.MustCompile(exp1)
regex2 = regexp.MustCompile(exp2)
opts.FilterAnnotation("bar", regex1)
opts.FilterAnnotation("bar", nil)
opts.FilterAnnotation("bar", regex2)
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
copiedIndice = []int{0, 2}
uncopiedIndice = []int{1, 3, 4, 5, 6}
verifyCopy(dst, copiedIndice, uncopiedIndice)
// test extended copy by descs[0] with two annotation filters, the second filter has an unavailable key
dst = memory.New()
opts = oras.ExtendedCopyGraphOptions{}
exp1 = "black."
exp2 = ".pink|red"
regex1 = regexp.MustCompile(exp1)
regex2 = regexp.MustCompile(exp2)
opts.FilterAnnotation("bar", regex1)
opts.FilterAnnotation("test", regex2)
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
copiedIndice = []int{0}
uncopiedIndice = []int{1, 2, 3, 4, 5, 6}
verifyCopy(dst, copiedIndice, uncopiedIndice)
}
func TestExtendedCopyGraph_FilterAnnotationWithRegex_AnnotationInDescriptor(t *testing.T) {
// generate test content
var blobs [][]byte
var descs []ocispec.Descriptor
appendBlob := func(mediaType, key, value string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
Annotations: map[string]string{key: value},
})
}
generateArtifactManifest := func(subject ocispec.Descriptor, key string, value string) {
manifest := spec.Artifact{
MediaType: spec.MediaTypeArtifactManifest,
Subject: &subject,
Annotations: map[string]string{key: value},
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(spec.MediaTypeArtifactManifest, key, value, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageLayer, "", "", []byte("foo")) // descs[0]
generateArtifactManifest(descs[0], "bar", "bluebrown") // descs[1]
generateArtifactManifest(descs[0], "bar", "blackred") // descs[2]
generateArtifactManifest(descs[0], "bar", "blackviolet") // descs[3]
generateArtifactManifest(descs[0], "bar", "greengrey") // descs[4]
generateArtifactManifest(descs[0], "bar", "brownblack") // descs[5]
ctx := context.Background()
verifyCopy := func(dst content.Fetcher, copiedIndice []int, uncopiedIndice []int) {
for _, i := range copiedIndice {
got, err := content.FetchAll(ctx, dst, descs[i])
if err != nil {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, false)
continue
}
if want := blobs[i]; !bytes.Equal(got, want) {
t.Errorf("content[%d] = %v, want %v", i, got, want)
}
}
for _, i := range uncopiedIndice {
if _, err := content.FetchAll(ctx, dst, descs[i]); !errors.Is(err, errdef.ErrNotFound) {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, errdef.ErrNotFound)
}
}
}
src := memory.New()
for i := range blobs {
err := src.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
// test extended copy by descs[0] with annotation filter
dst := memory.New()
opts := oras.ExtendedCopyGraphOptions{}
exp := "black."
regex := regexp.MustCompile(exp)
opts.FilterAnnotation("bar", regex)
if err := oras.ExtendedCopyGraph(ctx, src, dst, descs[0], opts); err != nil {
t.Fatalf("ExtendedCopyGraph() error = %v, wantErr %v", err, false)
}
copiedIndice := []int{0, 2, 3}
uncopiedIndice := []int{1, 4, 5}
verifyCopy(dst, copiedIndice, uncopiedIndice)
}
func TestExtendedCopyGraph_FilterAnnotationWithMultipleRegex_Referrers(t *testing.T) {
// generate test content
var blobs [][]byte
var descs []ocispec.Descriptor
appendBlob := func(mediaType, key, value string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
Annotations: map[string]string{key: value},
})
}
generateArtifactManifest := func(subject ocispec.Descriptor, key string, value string) {
manifest := spec.Artifact{
MediaType: spec.MediaTypeArtifactManifest,
Subject: &subject,
Annotations: map[string]string{key: value},
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendBlob(spec.MediaTypeArtifactManifest, key, value, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageLayer, "", "", []byte("foo")) // descs[0]
generateArtifactManifest(descs[0], "bar", "bluebrown") // descs[1]
generateArtifactManifest(descs[0], "bar", "blackred") // descs[2]
generateArtifactManifest(descs[0], "bar", "blackviolet") // descs[3]
generateArtifactManifest(descs[0], "bar", "greengrey") // descs[4]
generateArtifactManifest(descs[0], "bar", "brownblack") // descs[5]
generateArtifactManifest(descs[0], "bar", "blackblack") // descs[6]
// set up test server
ts := httptest.NewTLSServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
p := r.URL.Path
switch {
case p == "/v2/test/referrers/"+descs[0].Digest.String():
result := ocispec.Index{
Versioned: specs.Versioned{
SchemaVersion: 2, // historical value. does not pertain to OCI or docker version
},
MediaType: ocispec.MediaTypeImageIndex,
Manifests: descs[1:],
}
if err := json.NewEncoder(w).Encode(result); err != nil {
t.Errorf("failed to write response: %v", err)
}
case strings.Contains(p, descs[0].Digest.String()):
w.Header().Set("Content-Type", ocispec.MediaTypeImageLayer)
w.Header().Set("Content-Digest", descs[0].Digest.String())
w.Header().Set("Content-Length", strconv.Itoa(len(blobs[0])))
w.Write(blobs[0])
case strings.Contains(p, descs[1].Digest.String()):
w.Header().Set("Content-Type", spec.MediaTypeArtifactManifest)
w.Header().Set("Content-Digest", descs[1].Digest.String())
w.Header().Set("Content-Length", strconv.Itoa(len(blobs[1])))
w.Write(blobs[1])
case strings.Contains(p, descs[2].Digest.String()):
w.Header().Set("Content-Type", spec.MediaTypeArtifactManifest)
w.Header().Set("Content-Digest", descs[2].Digest.String())
w.Header().Set("Content-Length", strconv.Itoa(len(blobs[2])))
w.Write(blobs[2])
case strings.Contains(p, descs[3].Digest.String()):
w.Header().Set("Content-Type", spec.MediaTypeArtifactManifest)
w.Header().Set("Content-Digest", descs[3].Digest.String())
w.Header().Set("Content-Length", strconv.Itoa(len(blobs[3])))
w.Write(blobs[3])
case strings.Contains(p, descs[4].Digest.String()):
w.Header().Set("Content-Type", spec.MediaTypeArtifactManifest)
w.Header().Set("Content-Digest", descs[4].Digest.String())
w.Header().Set("Content-Length", strconv.Itoa(len(blobs[4])))
w.Write(blobs[4])
case strings.Contains(p, descs[5].Digest.String()):
w.Header().Set("Content-Type", spec.MediaTypeArtifactManifest)
w.Header().Set("Content-Digest", descs[5].Digest.String())
w.Header().Set("Content-Length", strconv.Itoa(len(blobs[5])))
w.Write(blobs[5])
default:
t.Errorf("unexpected access: %s %s", r.Method, r.URL)
w.WriteHeader(http.StatusNotFound)
return
}
}))
defer ts.Close()
uri, err := url.Parse(ts.URL)
if err != nil {
t.Errorf("invalid test http server: %v", err)
}
ctx := context.Background()
verifyCopy := func(dst content.Fetcher, copiedIndice []int, uncopiedIndice []int) {
for _, i := range copiedIndice {
got, err := content.FetchAll(ctx, dst, descs[i])
if err != nil {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, false)
continue
}
if want := blobs[i]; !bytes.Equal(got, want) {
t.Errorf("content[%d] = %v, want %v", i, got, want)
}
}
for _, i := range uncopiedIndice {
if _, err := content.FetchAll(ctx, dst, descs[i]); !errors.Is(err, errdef.ErrNotFound) {
t.Errorf("content[%d] error = %v, wantErr %v", i, err, errdef.ErrNotFound)
}
}
}
src, err := remote.NewRepository(uri.Host + "/test")
if err != nil {
t.Errorf("NewRepository() error = %v", err)
}
// test extended copy by descs[0] with two annotation filters
dst := memory.New()
opts := oras.ExtendedCopyGraphOptions{}
exp1 := "black."
exp2 := ".pink|red"
regex1 := regexp.MustCompile(exp1)
regex2 := regexp.MustCompile(exp2)