210 lines
6.3 KiB
Go
210 lines
6.3 KiB
Go
package schema2
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import (
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"reflect"
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"testing"
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"github.com/docker/distribution"
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"github.com/docker/distribution/context"
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"github.com/opencontainers/go-digest"
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)
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type mockBlobService struct {
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descriptors map[digest.Digest]distribution.Descriptor
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}
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func (bs *mockBlobService) Stat(ctx context.Context, dgst digest.Digest) (distribution.Descriptor, error) {
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if descriptor, ok := bs.descriptors[dgst]; ok {
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return descriptor, nil
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}
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return distribution.Descriptor{}, distribution.ErrBlobUnknown
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}
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func (bs *mockBlobService) Get(ctx context.Context, dgst digest.Digest) ([]byte, error) {
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panic("not implemented")
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}
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func (bs *mockBlobService) Open(ctx context.Context, dgst digest.Digest) (distribution.ReadSeekCloser, error) {
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panic("not implemented")
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}
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func (bs *mockBlobService) Put(ctx context.Context, mediaType string, p []byte) (distribution.Descriptor, error) {
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d := distribution.Descriptor{
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Digest: digest.FromBytes(p),
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Size: int64(len(p)),
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MediaType: "application/octet-stream",
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}
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bs.descriptors[d.Digest] = d
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return d, nil
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}
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func (bs *mockBlobService) Create(ctx context.Context, options ...distribution.BlobCreateOption) (distribution.BlobWriter, error) {
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panic("not implemented")
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}
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func (bs *mockBlobService) Resume(ctx context.Context, id string) (distribution.BlobWriter, error) {
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panic("not implemented")
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}
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func TestBuilder(t *testing.T) {
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imgJSON := []byte(`{
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"architecture": "amd64",
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"config": {
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"AttachStderr": false,
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"AttachStdin": false,
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"AttachStdout": false,
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"Cmd": [
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"/bin/sh",
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"-c",
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"echo hi"
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],
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"Domainname": "",
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"Entrypoint": null,
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"Env": [
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"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
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"derived=true",
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"asdf=true"
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],
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"Hostname": "23304fc829f9",
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"Image": "sha256:4ab15c48b859c2920dd5224f92aabcd39a52794c5b3cf088fb3bbb438756c246",
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"Labels": {},
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"OnBuild": [],
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"OpenStdin": false,
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"StdinOnce": false,
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"Tty": false,
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"User": "",
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"Volumes": null,
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"WorkingDir": ""
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},
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"container": "e91032eb0403a61bfe085ff5a5a48e3659e5a6deae9f4d678daa2ae399d5a001",
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"container_config": {
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"AttachStderr": false,
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"AttachStdin": false,
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"AttachStdout": false,
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"Cmd": [
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"/bin/sh",
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"-c",
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"#(nop) CMD [\"/bin/sh\" \"-c\" \"echo hi\"]"
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],
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"Domainname": "",
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"Entrypoint": null,
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"Env": [
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"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
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"derived=true",
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"asdf=true"
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],
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"Hostname": "23304fc829f9",
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"Image": "sha256:4ab15c48b859c2920dd5224f92aabcd39a52794c5b3cf088fb3bbb438756c246",
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"Labels": {},
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"OnBuild": [],
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"OpenStdin": false,
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"StdinOnce": false,
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"Tty": false,
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"User": "",
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"Volumes": null,
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"WorkingDir": ""
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},
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"created": "2015-11-04T23:06:32.365666163Z",
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"docker_version": "1.9.0-dev",
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"history": [
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{
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"created": "2015-10-31T22:22:54.690851953Z",
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"created_by": "/bin/sh -c #(nop) ADD file:a3bc1e842b69636f9df5256c49c5374fb4eef1e281fe3f282c65fb853ee171c5 in /"
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},
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{
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"created": "2015-10-31T22:22:55.613815829Z",
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"created_by": "/bin/sh -c #(nop) CMD [\"sh\"]"
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},
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{
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"created": "2015-11-04T23:06:30.934316144Z",
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"created_by": "/bin/sh -c #(nop) ENV derived=true",
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"empty_layer": true
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},
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{
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"created": "2015-11-04T23:06:31.192097572Z",
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"created_by": "/bin/sh -c #(nop) ENV asdf=true",
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"empty_layer": true
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},
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{
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"created": "2015-11-04T23:06:32.083868454Z",
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"created_by": "/bin/sh -c dd if=/dev/zero of=/file bs=1024 count=1024"
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},
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{
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"created": "2015-11-04T23:06:32.365666163Z",
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"created_by": "/bin/sh -c #(nop) CMD [\"/bin/sh\" \"-c\" \"echo hi\"]",
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"empty_layer": true
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}
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],
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"os": "linux",
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"rootfs": {
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"diff_ids": [
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"sha256:c6f988f4874bb0add23a778f753c65efe992244e148a1d2ec2a8b664fb66bbd1",
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"sha256:5f70bf18a086007016e948b04aed3b82103a36bea41755b6cddfaf10ace3c6ef",
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"sha256:13f53e08df5a220ab6d13c58b2bf83a59cbdc2e04d0a3f041ddf4b0ba4112d49"
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],
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"type": "layers"
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}
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}`)
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configDigest := digest.FromBytes(imgJSON)
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descriptors := []distribution.Descriptor{
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{
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Digest: digest.Digest("sha256:a3ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"),
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Size: 5312,
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MediaType: MediaTypeLayer,
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},
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{
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Digest: digest.Digest("sha256:86e0e091d0da6bde2456dbb48306f3956bbeb2eae1b5b9a43045843f69fe4aaa"),
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Size: 235231,
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MediaType: MediaTypeLayer,
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},
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{
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Digest: digest.Digest("sha256:b4ed95caeb02ffe68cdd9fd84406680ae93d633cb16422d00e8a7c22955b46d4"),
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Size: 639152,
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MediaType: MediaTypeLayer,
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},
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}
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bs := &mockBlobService{descriptors: make(map[digest.Digest]distribution.Descriptor)}
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builder := NewManifestBuilder(bs, MediaTypeImageConfig, imgJSON)
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for _, d := range descriptors {
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if err := builder.AppendReference(d); err != nil {
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t.Fatalf("AppendReference returned error: %v", err)
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}
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}
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built, err := builder.Build(context.Background())
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if err != nil {
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t.Fatalf("Build returned error: %v", err)
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}
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// Check that the config was put in the blob store
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_, err = bs.Stat(context.Background(), configDigest)
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if err != nil {
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t.Fatal("config was not put in the blob store")
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}
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manifest := built.(*DeserializedManifest).Manifest
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if manifest.Versioned.SchemaVersion != 2 {
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t.Fatal("SchemaVersion != 2")
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}
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target := manifest.Target()
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if target.Digest != configDigest {
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t.Fatalf("unexpected digest in target: %s", target.Digest.String())
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}
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if target.MediaType != MediaTypeImageConfig {
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t.Fatalf("unexpected media type in target: %s", target.MediaType)
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}
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if target.Size != 3153 {
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t.Fatalf("unexpected size in target: %d", target.Size)
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}
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references := manifest.References()
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expected := append([]distribution.Descriptor{manifest.Target()}, descriptors...)
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if !reflect.DeepEqual(references, expected) {
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t.Fatal("References() does not match the descriptors added")
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}
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}
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