108 lines
2.5 KiB
Go
108 lines
2.5 KiB
Go
package schema1
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import (
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"testing"
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"github.com/docker/distribution/context"
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"github.com/docker/distribution/manifest"
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"github.com/docker/distribution/reference"
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"github.com/docker/libtrust"
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"github.com/opencontainers/go-digest"
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)
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func makeSignedManifest(t *testing.T, pk libtrust.PrivateKey, refs []Reference) *SignedManifest {
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u := &Manifest{
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Versioned: manifest.Versioned{
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SchemaVersion: 1,
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},
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Name: "foo/bar",
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Tag: "latest",
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Architecture: "amd64",
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}
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for i := len(refs) - 1; i >= 0; i-- {
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u.FSLayers = append(u.FSLayers, FSLayer{
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BlobSum: refs[i].Digest,
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})
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u.History = append(u.History, History{
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V1Compatibility: refs[i].History.V1Compatibility,
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})
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}
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signedManifest, err := Sign(u, pk)
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if err != nil {
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t.Fatalf("unexpected error signing manifest: %v", err)
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}
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return signedManifest
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}
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func TestReferenceBuilder(t *testing.T) {
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pk, err := libtrust.GenerateECP256PrivateKey()
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if err != nil {
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t.Fatalf("unexpected error generating private key: %v", err)
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}
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r1 := Reference{
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Digest: "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
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Size: 1,
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History: History{V1Compatibility: "{\"a\" : 1 }"},
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}
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r2 := Reference{
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Digest: "sha256:bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb",
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Size: 2,
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History: History{V1Compatibility: "{\"\a\" : 2 }"},
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}
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handCrafted := makeSignedManifest(t, pk, []Reference{r1, r2})
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ref, err := reference.ParseNamed(handCrafted.Manifest.Name)
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if err != nil {
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t.Fatalf("could not parse reference: %v", err)
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}
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ref, err = reference.WithTag(ref, handCrafted.Manifest.Tag)
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if err != nil {
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t.Fatalf("could not add tag: %v", err)
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}
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b := NewReferenceManifestBuilder(pk, ref, handCrafted.Manifest.Architecture)
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_, err = b.Build(context.Background())
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if err == nil {
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t.Fatal("Expected error building zero length manifest")
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}
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err = b.AppendReference(r1)
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if err != nil {
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t.Fatal(err)
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}
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err = b.AppendReference(r2)
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if err != nil {
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t.Fatal(err)
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}
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refs := b.References()
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if len(refs) != 2 {
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t.Fatalf("Unexpected reference count : %d != %d", 2, len(refs))
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}
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// Ensure ordering
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if refs[0].Digest != r2.Digest {
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t.Fatalf("Unexpected reference : %v", refs[0])
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}
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m, err := b.Build(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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built, ok := m.(*SignedManifest)
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if !ok {
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t.Fatalf("unexpected type from Build() : %T", built)
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}
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d1 := digest.FromBytes(built.Canonical)
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d2 := digest.FromBytes(handCrafted.Canonical)
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if d1 != d2 {
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t.Errorf("mismatching canonical JSON")
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}
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}
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