forked from oras-project/oras-go
/
content_test.go
2113 lines (1984 loc) · 63.4 KB
/
content_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"
"fmt"
"io"
"net/http"
"net/http/httptest"
"net/url"
"reflect"
"strconv"
"strings"
"testing"
"github.com/opencontainers/go-digest"
ocispec "github.com/opencontainers/image-spec/specs-go/v1"
"oras.land/oras-go/v2"
"oras.land/oras-go/v2/content/memory"
"oras.land/oras-go/v2/errdef"
"oras.land/oras-go/v2/internal/cas"
"oras.land/oras-go/v2/registry/remote"
)
func TestTag_Memory(t *testing.T) {
target := 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)
}
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
ctx := context.Background()
for i := range blobs {
err := target.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
manifestDesc := descs[3]
ref := "foobar"
err := target.Tag(ctx, manifestDesc, ref)
if err != nil {
t.Fatal("fail to tag manifestDesc node", err)
}
// test Tag
gotDesc, err := oras.Tag(ctx, target, ref, "myTestingTag")
if err != nil {
t.Fatalf("failed to retag using oras.Tag with err: %v", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Tag() = %v, want %v", gotDesc, manifestDesc)
}
// verify tag
gotDesc, err = target.Resolve(ctx, "myTestingTag")
if err != nil {
t.Fatal("target.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("target.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
}
func TestTag_Repository(t *testing.T) {
index := []byte(`{"manifests":[]}`)
indexDesc := ocispec.Descriptor{
MediaType: ocispec.MediaTypeImageIndex,
Digest: digest.FromBytes(index),
Size: int64(len(index)),
}
src := "foobar"
dst := "myTag"
var gotIndex []byte
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case r.Method == http.MethodGet && (r.URL.Path == "/v2/test/manifests/"+indexDesc.Digest.String() || r.URL.Path == "/v2/test/manifests/"+src):
if accept := r.Header.Get("Accept"); !strings.Contains(accept, indexDesc.MediaType) {
t.Errorf("manifest not convertable: %s", accept)
w.WriteHeader(http.StatusBadRequest)
return
}
w.Header().Set("Content-Type", indexDesc.MediaType)
w.Header().Set("Docker-Content-Digest", indexDesc.Digest.String())
if _, err := w.Write(index); err != nil {
t.Errorf("failed to write %q: %v", r.URL, err)
}
case r.Method == http.MethodPut && r.URL.Path == "/v2/test/manifests/"+dst:
if contentType := r.Header.Get("Content-Type"); contentType != indexDesc.MediaType {
w.WriteHeader(http.StatusBadRequest)
break
}
buf := bytes.NewBuffer(nil)
if _, err := buf.ReadFrom(r.Body); err != nil {
t.Errorf("fail to read: %v", err)
}
gotIndex = buf.Bytes()
w.Header().Set("Docker-Content-Digest", indexDesc.Digest.String())
w.WriteHeader(http.StatusCreated)
default:
t.Errorf("unexpected access: %s %s", r.Method, r.URL)
w.WriteHeader(http.StatusNotFound)
}
}))
defer ts.Close()
uri, err := url.Parse(ts.URL)
if err != nil {
t.Fatalf("invalid test http server: %v", err)
}
repoName := uri.Host + "/test"
repo, err := remote.NewRepository(repoName)
if err != nil {
t.Fatalf("NewRepository() error = %v", err)
}
repo.PlainHTTP = true
ctx := context.Background()
// test with manifest tag
gotDesc, err := oras.Tag(ctx, repo, src, dst)
if err != nil {
t.Fatalf("Repository.TagReference() error = %v", err)
}
if !bytes.Equal(gotIndex, index) {
t.Errorf("Repository.TagReference() = %v, want %v", gotIndex, index)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("oras.Tag() = %v, want %v", gotDesc, indexDesc)
}
// test with manifest digest
gotDesc, err = oras.Tag(ctx, repo, indexDesc.Digest.String(), dst)
if err != nil {
t.Fatalf("Repository.TagReference() error = %v", err)
}
if !bytes.Equal(gotIndex, index) {
t.Errorf("Repository.TagReference() = %v, want %v", gotIndex, index)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("oras.Tag() = %v, want %v", gotDesc, indexDesc)
}
// test with manifest tag@digest
tagDigestRef := src + "@" + indexDesc.Digest.String()
gotDesc, err = oras.Tag(ctx, repo, tagDigestRef, dst)
if err != nil {
t.Fatalf("Repository.TagReference() error = %v", err)
}
if !bytes.Equal(gotIndex, index) {
t.Errorf("Repository.TagReference() = %v, want %v", gotIndex, index)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("oras.Tag() = %v, want %v", gotDesc, indexDesc)
}
// test with manifest FQDN
fqdnRef := repoName + ":" + tagDigestRef
gotDesc, err = oras.Tag(ctx, repo, fqdnRef, dst)
if err != nil {
t.Fatalf("Repository.TagReference() error = %v", err)
}
if !bytes.Equal(gotIndex, index) {
t.Errorf("Repository.TagReference() = %v, want %v", gotIndex, index)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("oras.Tag() = %v, want %v", gotDesc, indexDesc)
}
}
func TestTagN_Memory(t *testing.T) {
target := 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)
}
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
ctx := context.Background()
for i := range blobs {
err := target.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
manifestDesc := descs[3]
srcRef := "foobar"
err := target.Tag(ctx, manifestDesc, srcRef)
if err != nil {
t.Fatalf("oras.Tag(%s) error = %v", srcRef, err)
}
// test TagN with empty dstReferences
_, err = oras.TagN(ctx, target, srcRef, nil, oras.DefaultTagNOptions)
if !errors.Is(err, errdef.ErrMissingReference) {
t.Fatalf("oras.TagN() error = %v, wantErr %v", err, errdef.ErrMissingReference)
}
// test TagN with single dstReferences
dstRef := "single"
gotDesc, err := oras.TagN(ctx, target, srcRef, []string{dstRef}, oras.DefaultTagNOptions)
if err != nil {
t.Fatalf("failed to retag using oras.Tag with err: %v", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.TagN() = %v, want %v", gotDesc, manifestDesc)
}
// verify tag
gotDesc, err = target.Resolve(ctx, dstRef)
if err != nil {
t.Fatal("target.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("target.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
// test TagN with single dstReferences and MaxMetadataBytes = 1
// should not return error
dstRef = "single2"
opts := oras.TagNOptions{
MaxMetadataBytes: 1,
}
gotDesc, err = oras.TagN(ctx, target, srcRef, []string{dstRef}, opts)
if err != nil {
t.Fatalf("failed to retag using oras.Tag with err: %v", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.TagN() = %v, want %v", gotDesc, manifestDesc)
}
// verify tag
gotDesc, err = target.Resolve(ctx, dstRef)
if err != nil {
t.Fatal("target.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("target.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
// test TagN with multiple references
dstRefs := []string{"foo", "bar", "baz"}
gotDesc, err = oras.TagN(ctx, target, srcRef, dstRefs, oras.DefaultTagNOptions)
if err != nil {
t.Fatal("oras.TagN() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.TagN() = %v, want %v", gotDesc, manifestDesc)
}
// verify multiple references
for _, ref := range dstRefs {
gotDesc, err := target.Resolve(ctx, ref)
if err != nil {
t.Fatal("target.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("target.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
}
// test TagN with multiple references and MaxMetadataBytes = 1
// should not return error
dstRefs = []string{"tag1", "tag2", "tag3"}
opts = oras.TagNOptions{
MaxMetadataBytes: 1,
}
gotDesc, err = oras.TagN(ctx, target, srcRef, dstRefs, opts)
if err != nil {
t.Fatal("oras.TagN() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.TagN() = %v, want %v", gotDesc, manifestDesc)
}
// verify multiple references
for _, ref := range dstRefs {
gotDesc, err := target.Resolve(ctx, ref)
if err != nil {
t.Fatal("target.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("target.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
}
}
func TestTagN_Repository(t *testing.T) {
index := []byte(`{"manifests":[]}`)
indexDesc := ocispec.Descriptor{
MediaType: ocispec.MediaTypeImageIndex,
Digest: digest.FromBytes(index),
Size: int64(len(index)),
}
srcRef := "foobar"
refFoo := "foo"
refBar := "bar"
refTag1 := "tag1"
refTag2 := "tag2"
dstRefs := []string{refFoo, refBar}
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case r.Method == http.MethodGet && (r.URL.Path == "/v2/test/manifests/"+indexDesc.Digest.String() ||
r.URL.Path == "/v2/test/manifests/"+srcRef):
if accept := r.Header.Get("Accept"); !strings.Contains(accept, indexDesc.MediaType) {
t.Errorf("manifest not convertable: %s", accept)
w.WriteHeader(http.StatusBadRequest)
return
}
w.Header().Set("Content-Type", indexDesc.MediaType)
w.Header().Set("Docker-Content-Digest", indexDesc.Digest.String())
if _, err := w.Write(index); err != nil {
t.Errorf("failed to write %q: %v", r.URL, err)
}
case r.Method == http.MethodHead &&
(r.URL.Path == "/v2/test/manifests/"+refFoo ||
r.URL.Path == "/v2/test/manifests/"+refBar ||
r.URL.Path == "/v2/test/manifests/"+refTag1 ||
r.URL.Path == "/v2/test/manifests/"+refTag2):
if accept := r.Header.Get("Accept"); !strings.Contains(accept, indexDesc.MediaType) {
t.Errorf("manifest not convertable: %s", accept)
w.WriteHeader(http.StatusBadRequest)
return
}
w.Header().Set("Content-Type", indexDesc.MediaType)
w.Header().Set("Docker-Content-Digest", indexDesc.Digest.String())
w.Header().Set("Content-Length", strconv.Itoa(int(indexDesc.Size)))
case r.Method == http.MethodPut &&
(r.URL.Path == "/v2/test/manifests/"+refFoo ||
r.URL.Path == "/v2/test/manifests/"+refBar ||
r.URL.Path == "/v2/test/manifests/"+refTag1 ||
r.URL.Path == "/v2/test/manifests/"+refTag2):
if contentType := r.Header.Get("Content-Type"); contentType != indexDesc.MediaType {
w.WriteHeader(http.StatusBadRequest)
break
}
buf := bytes.NewBuffer(nil)
if _, err := buf.ReadFrom(r.Body); err != nil {
t.Errorf("fail to read: %v", err)
}
w.Header().Set("Docker-Content-Digest", indexDesc.Digest.String())
w.WriteHeader(http.StatusCreated)
default:
t.Errorf("unexpected access: %s %s", r.Method, r.URL)
w.WriteHeader(http.StatusNotFound)
}
}))
defer ts.Close()
uri, err := url.Parse(ts.URL)
if err != nil {
t.Fatalf("invalid test http server: %v", err)
}
repoName := uri.Host + "/test"
repo, err := remote.NewRepository(repoName)
if err != nil {
t.Fatalf("NewRepository() error = %v", err)
}
repo.PlainHTTP = true
ctx := context.Background()
// test TagN with empty dstReferences
_, err = oras.TagN(ctx, repo, srcRef, nil, oras.DefaultTagNOptions)
if !errors.Is(err, errdef.ErrMissingReference) {
t.Fatalf("oras.TagN() error = %v, wantErr %v", err, errdef.ErrMissingReference)
}
// test TagN with single dstReferences
gotDesc, err := oras.TagN(ctx, repo, srcRef, []string{refTag1}, oras.DefaultTagNOptions)
if err != nil {
t.Fatalf("failed to retag using oras.Tag with err: %v", err)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("oras.TagN() = %v, want %v", gotDesc, indexDesc)
}
// verify tag
gotDesc, err = repo.Resolve(ctx, refTag1)
if err != nil {
t.Fatal("target.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("target.Resolve() = %v, want %v", gotDesc, indexDesc)
}
// test TagN with single dstReferences and MaxMetadataBytes = 1
// should not return error
opts := oras.TagNOptions{
MaxMetadataBytes: 1,
}
gotDesc, err = oras.TagN(ctx, repo, srcRef, []string{refTag2}, opts)
if err != nil {
t.Fatalf("failed to retag using oras.Tag with err: %v", err)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("oras.TagN() = %v, want %v", gotDesc, indexDesc)
}
// verify tag
gotDesc, err = repo.Resolve(ctx, refTag2)
if err != nil {
t.Fatal("target.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("target.Resolve() = %v, want %v", gotDesc, indexDesc)
}
// test TagN with multiple references
gotDesc, err = oras.TagN(ctx, repo, srcRef, dstRefs, oras.DefaultTagNOptions)
if err != nil {
t.Fatal("oras.TagN() error =", err)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("oras.TagN() = %v, want %v", gotDesc, indexDesc)
}
// verify multiple references
for _, ref := range dstRefs {
gotDesc, err := repo.Resolve(ctx, ref)
if err != nil {
t.Fatal("target.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, indexDesc) {
t.Errorf("target.Resolve() = %v, want %v", gotDesc, indexDesc)
}
}
// test TagN with multiple references and MaxMetadataBytes = 1
// should return ErrSizeExceedsLimit
dstRefs = []string{refTag1, refTag2}
opts = oras.TagNOptions{
MaxMetadataBytes: 1,
}
_, err = oras.TagN(ctx, repo, srcRef, dstRefs, opts)
if !errors.Is(err, errdef.ErrSizeExceedsLimit) {
t.Fatalf("oras.TagN() error = %v, wantErr %v", err, errdef.ErrSizeExceedsLimit)
}
}
func TestResolve_Memory(t *testing.T) {
target := memory.New()
arc_1 := "test-arc-1"
os_1 := "test-os-1"
variant_1 := "v1"
variant_2 := "v2"
// 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)),
})
}
appendManifest := func(arc, os, variant string, mediaType string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
Platform: &ocispec.Platform{
Architecture: arc,
OS: os,
Variant: variant,
},
})
}
generateManifest := func(arc, os, variant string, config ocispec.Descriptor, layers ...ocispec.Descriptor) {
manifest := ocispec.Manifest{
Config: config,
Layers: layers,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendManifest(arc, os, variant, ocispec.MediaTypeImageManifest, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageConfig, []byte(`{"mediaType":"application/vnd.oci.image.config.v1+json",
"created":"2022-07-29T08:13:55Z",
"author":"test author",
"architecture":"test-arc-1",
"os":"test-os-1",
"variant":"v1"}`)) // Blob 0
appendBlob(ocispec.MediaTypeImageLayer, []byte("foo")) // Blob 1
appendBlob(ocispec.MediaTypeImageLayer, []byte("bar")) // Blob 2
generateManifest(arc_1, os_1, variant_1, descs[0], descs[1:3]...) // Blob 3
ctx := context.Background()
for i := range blobs {
err := target.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
manifestDesc := descs[3]
ref := "foobar"
err := target.Tag(ctx, manifestDesc, ref)
if err != nil {
t.Fatal("fail to tag manifestDesc node", err)
}
// test Resolve with default resolve options
resolveOptions := oras.DefaultResolveOptions
gotDesc, err := oras.Resolve(ctx, target, ref, resolveOptions)
if err != nil {
t.Fatal("oras.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
// test Resolve with empty resolve options
gotDesc, err = oras.Resolve(ctx, target, ref, oras.ResolveOptions{})
if err != nil {
t.Fatal("oras.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
// test Resolve with MaxMetadataBytes = 1
resolveOptions = oras.ResolveOptions{
MaxMetadataBytes: 1,
}
gotDesc, err = oras.Resolve(ctx, target, ref, resolveOptions)
if err != nil {
t.Fatal("oras.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
// test Resolve with TargetPlatform
resolveOptions = oras.ResolveOptions{
TargetPlatform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
},
}
gotDesc, err = oras.Resolve(ctx, target, ref, resolveOptions)
if err != nil {
t.Fatal("oras.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
// test Resolve with TargetPlatform and MaxMetadataBytes = 1
resolveOptions = oras.ResolveOptions{
TargetPlatform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
},
MaxMetadataBytes: 1,
}
gotDesc, err = oras.Resolve(ctx, target, ref, resolveOptions)
if err != nil {
t.Fatal("oras.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
// test Resolve with TargetPlatform but there is no matching node
// Should return not found error
resolveOptions = oras.ResolveOptions{
TargetPlatform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
Variant: variant_2,
},
}
_, err = oras.Resolve(ctx, target, ref, resolveOptions)
expected := fmt.Sprintf("%s: %v: platform in manifest does not match target platform", manifestDesc.Digest, errdef.ErrNotFound)
if err.Error() != expected {
t.Fatalf("oras.Resolve() error = %v, wantErr %v", err, expected)
}
}
func TestResolve_Repository(t *testing.T) {
arc_1 := "test-arc-1"
arc_2 := "test-arc-2"
os_1 := "test-os-1"
var digest_1 digest.Digest = "sha256:11ec3af9dfeb49c89ef71877ba85249be527e4dda9d1d74d99dc618d1a5fa151"
manifestDesc := ocispec.Descriptor{
MediaType: ocispec.MediaTypeImageManifest,
Digest: digest_1,
Size: 484,
Platform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
},
}
index := []byte(`{"manifests":[{
"mediaType":"application/vnd.oci.image.manifest.v1+json",
"digest":"sha256:11ec3af9dfeb49c89ef71877ba85249be527e4dda9d1d74d99dc618d1a5fa151",
"size":484,
"platform":{"architecture":"test-arc-1","os":"test-os-1"}},{
"mediaType":"application/vnd.oci.image.manifest.v1+json",
"digest":"sha256:b955aefa63749f07fad84ab06a45a951368e3ac79799bc44a158fac1bb8ca208",
"size":337,
"platform":{"architecture":"test-arc-2","os":"test-os-2"}}]}`)
indexDesc := ocispec.Descriptor{
MediaType: ocispec.MediaTypeImageIndex,
Digest: digest.FromBytes(index),
Size: int64(len(index)),
}
src := "foobar"
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case r.Method == http.MethodGet && (r.URL.Path == "/v2/test/manifests/"+indexDesc.Digest.String() || r.URL.Path == "/v2/test/manifests/"+src):
if accept := r.Header.Get("Accept"); !strings.Contains(accept, indexDesc.MediaType) {
t.Errorf("manifest not convertable: %s", accept)
w.WriteHeader(http.StatusBadRequest)
return
}
w.Header().Set("Content-Type", indexDesc.MediaType)
w.Header().Set("Docker-Content-Digest", indexDesc.Digest.String())
if _, err := w.Write(index); err != nil {
t.Errorf("failed to write %q: %v", r.URL, err)
}
default:
t.Errorf("unexpected access: %s %s", r.Method, r.URL)
w.WriteHeader(http.StatusNotFound)
}
}))
defer ts.Close()
uri, err := url.Parse(ts.URL)
if err != nil {
t.Fatalf("invalid test http server: %v", err)
}
repoName := uri.Host + "/test"
repo, err := remote.NewRepository(repoName)
if err != nil {
t.Fatalf("NewRepository() error = %v", err)
}
repo.PlainHTTP = true
ctx := context.Background()
// test Resolve with TargetPlatform
resolveOptions := oras.ResolveOptions{
TargetPlatform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
},
}
gotDesc, err := oras.Resolve(ctx, repo, src, resolveOptions)
if err != nil {
t.Fatal("oras.Resolve() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Resolve() = %v, want %v", gotDesc, manifestDesc)
}
// test Resolve with TargetPlatform and MaxMetadataBytes = 1
resolveOptions = oras.ResolveOptions{
TargetPlatform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
},
MaxMetadataBytes: 1,
}
_, err = oras.Resolve(ctx, repo, src, resolveOptions)
if !errors.Is(err, errdef.ErrSizeExceedsLimit) {
t.Fatalf("oras.Resolve() error = %v, wantErr %v", err, errdef.ErrSizeExceedsLimit)
}
// test Resolve with TargetPlatform but there is no matching node
// Should return not found error
resolveOptions = oras.ResolveOptions{
TargetPlatform: &ocispec.Platform{
Architecture: arc_1,
OS: arc_2,
},
}
_, err = oras.Resolve(ctx, repo, src, resolveOptions)
expected := fmt.Sprintf("%s: %v: no matching manifest was found in the manifest list", indexDesc.Digest, errdef.ErrNotFound)
if err.Error() != expected {
t.Fatalf("oras.Resolve() error = %v, wantErr %v", err, expected)
}
}
func TestFetch_Memory(t *testing.T) {
target := memory.New()
arc_1 := "test-arc-1"
os_1 := "test-os-1"
variant_1 := "v1"
variant_2 := "v2"
// 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)),
})
}
appendManifest := func(arc, os, variant string, mediaType string, blob []byte) {
blobs = append(blobs, blob)
descs = append(descs, ocispec.Descriptor{
MediaType: mediaType,
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
Platform: &ocispec.Platform{
Architecture: arc,
OS: os,
Variant: variant,
},
})
}
generateManifest := func(arc, os, variant string, config ocispec.Descriptor, layers ...ocispec.Descriptor) {
manifest := ocispec.Manifest{
Config: config,
Layers: layers,
}
manifestJSON, err := json.Marshal(manifest)
if err != nil {
t.Fatal(err)
}
appendManifest(arc, os, variant, ocispec.MediaTypeImageManifest, manifestJSON)
}
appendBlob(ocispec.MediaTypeImageConfig, []byte(`{"mediaType":"application/vnd.oci.image.config.v1+json",
"created":"2022-07-29T08:13:55Z",
"author":"test author",
"architecture":"test-arc-1",
"os":"test-os-1",
"variant":"v1"}`)) // Blob 0
appendBlob(ocispec.MediaTypeImageLayer, []byte("foo")) // Blob 1
appendBlob(ocispec.MediaTypeImageLayer, []byte("bar")) // Blob 2
generateManifest(arc_1, os_1, variant_1, descs[0], descs[1:3]...) // Blob 3
ctx := context.Background()
for i := range blobs {
err := target.Push(ctx, descs[i], bytes.NewReader(blobs[i]))
if err != nil {
t.Fatalf("failed to push test content to src: %d: %v", i, err)
}
}
manifestDesc := descs[3]
manifestTag := "foobar"
err := target.Tag(ctx, manifestDesc, manifestTag)
if err != nil {
t.Fatal("fail to tag manifestDesc node", err)
}
blobRef := "blob"
err = target.Tag(ctx, descs[2], blobRef)
if err != nil {
t.Fatal("fail to tag manifestDesc node", err)
}
// test Fetch with empty FetchOptions
gotDesc, rc, err := oras.Fetch(ctx, target, manifestTag, oras.FetchOptions{})
if err != nil {
t.Fatal("oras.Fetch() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Fetch() = %v, want %v", gotDesc, manifestDesc)
}
got, err := io.ReadAll(rc)
if err != nil {
t.Fatal("oras.Fetch().Read() error =", err)
}
err = rc.Close()
if err != nil {
t.Error("Store.Fetch().Close() error =", err)
}
if !bytes.Equal(got, blobs[3]) {
t.Errorf("oras.Fetch() = %v, want %v", got, blobs[3])
}
// test FetchBytes with default FetchBytes options
gotDesc, rc, err = oras.Fetch(ctx, target, manifestTag, oras.DefaultFetchOptions)
if err != nil {
t.Fatal("oras.Fetch() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Fetch() = %v, want %v", gotDesc, manifestDesc)
}
got, err = io.ReadAll(rc)
if err != nil {
t.Fatal("oras.Fetch().Read() error =", err)
}
err = rc.Close()
if err != nil {
t.Error("Store.Fetch().Close() error =", err)
}
if !bytes.Equal(got, blobs[3]) {
t.Errorf("oras.Fetch() = %v, want %v", got, blobs[3])
}
// test FetchBytes with wrong reference
randomRef := "whatever"
_, _, err = oras.Fetch(ctx, target, randomRef, oras.DefaultFetchOptions)
if !errors.Is(err, errdef.ErrNotFound) {
t.Fatalf("oras.Fetch() error = %v, wantErr %v", err, errdef.ErrNotFound)
}
// test Fetch with TargetPlatform
opts := oras.FetchOptions{
ResolveOptions: oras.ResolveOptions{
TargetPlatform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
},
},
}
gotDesc, rc, err = oras.Fetch(ctx, target, manifestTag, opts)
if err != nil {
t.Fatal("oras.Fetch() error =", err)
}
if !reflect.DeepEqual(gotDesc, manifestDesc) {
t.Errorf("oras.Fetch() = %v, want %v", gotDesc, manifestDesc)
}
got, err = io.ReadAll(rc)
if err != nil {
t.Fatal("oras.Fetch().Read() error =", err)
}
err = rc.Close()
if err != nil {
t.Error("Store.Fetch().Close() error =", err)
}
if !bytes.Equal(got, blobs[3]) {
t.Errorf("oras.Fetch() = %v, want %v", got, blobs[3])
}
// test Fetch with TargetPlatform but there is no matching node
// should return not found error
opts = oras.FetchOptions{
ResolveOptions: oras.ResolveOptions{
TargetPlatform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
Variant: variant_2,
},
},
}
_, _, err = oras.Fetch(ctx, target, manifestTag, opts)
expected := fmt.Sprintf("%s: %v: platform in manifest does not match target platform", manifestDesc.Digest, errdef.ErrNotFound)
if err.Error() != expected {
t.Fatalf("oras.Fetch() error = %v, wantErr %v", err, expected)
}
// test FetchBytes on blob with TargetPlatform
// should return unsupported error
opts = oras.FetchOptions{
ResolveOptions: oras.ResolveOptions{
TargetPlatform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
},
},
}
_, _, err = oras.Fetch(ctx, target, blobRef, opts)
if !errors.Is(err, errdef.ErrUnsupported) {
t.Fatalf("oras.Fetch() error = %v, wantErr %v", err, errdef.ErrUnsupported)
}
}
func TestFetch_Repository(t *testing.T) {
arc_1 := "test-arc-1"
arc_2 := "test-arc-2"
os_1 := "test-os-1"
os_2 := "test-os-2"
blob := []byte("hello world")
blobDesc := ocispec.Descriptor{
MediaType: "test",
Digest: digest.FromBytes(blob),
Size: int64(len(blob)),
}
manifest := []byte(`{"layers":[]}`)
manifestDesc := ocispec.Descriptor{
MediaType: ocispec.MediaTypeImageManifest,
Digest: digest.FromBytes(manifest),
Size: int64(len(manifest)),
Platform: &ocispec.Platform{
Architecture: arc_1,
OS: os_1,
},
}
manifest2 := []byte("test manifest")
manifestDesc2 := ocispec.Descriptor{
MediaType: ocispec.MediaTypeImageManifest,
Digest: digest.FromBytes(manifest2),
Size: int64(len(manifest2)),
Platform: &ocispec.Platform{
Architecture: arc_2,
OS: os_2,
},
}
indexContent := ocispec.Index{
MediaType: ocispec.MediaTypeImageIndex,
Manifests: []ocispec.Descriptor{
manifestDesc,
manifestDesc2,
},
}
index, err := json.Marshal(indexContent)
if err != nil {
t.Fatal("failed to marshal index", err)
}
indexDesc := ocispec.Descriptor{
MediaType: ocispec.MediaTypeImageIndex,
Digest: digest.FromBytes(index),
Size: int64(len(index)),
}
ref := "foobar"
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
switch {
case r.Method == http.MethodGet && (r.URL.Path == "/v2/test/manifests/"+indexDesc.Digest.String() || r.URL.Path == "/v2/test/manifests/"+ref):
if accept := r.Header.Get("Accept"); !strings.Contains(accept, indexDesc.MediaType) {
t.Errorf("manifest not convertable: %s", accept)
w.WriteHeader(http.StatusBadRequest)
return
}
w.Header().Set("Content-Type", indexDesc.MediaType)
w.Header().Set("Docker-Content-Digest", indexDesc.Digest.String())
if _, err := w.Write(index); err != nil {
t.Errorf("failed to write %q: %v", r.URL, err)
}
case r.URL.Path == "/v2/test/manifests/"+manifestDesc.Digest.String():
if accept := r.Header.Get("Accept"); !strings.Contains(accept, manifestDesc.MediaType) {
t.Errorf("manifest not convertable: %s", accept)