distribution/manifest/schema1/reference_builder_test.go
Aaron Lehmann 4441333912 Use reference package internally
Most places in the registry were using string types to refer to
repository names. This changes them to use reference.Named, so the type
system can enforce validation of the naming rules.

Signed-off-by: Aaron Lehmann <aaron.lehmann@docker.com>
2016-01-22 14:47:05 -08:00

109 lines
2.5 KiB
Go

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