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//
// Copyright 2021 The Sigstore 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 remote
import (
"fmt"
"testing"
"github.com/google/go-containerregistry/pkg/name"
v1 "github.com/google/go-containerregistry/pkg/v1"
"github.com/google/go-containerregistry/pkg/v1/random"
"github.com/google/go-containerregistry/pkg/v1/remote"
"github.com/sigstore/cosign/v2/pkg/oci/mutate"
"github.com/sigstore/cosign/v2/pkg/oci/signed"
"github.com/sigstore/cosign/v2/pkg/oci/static"
)
func TestWriteSignatures(t *testing.T) {
rw := remote.Write
t.Cleanup(func() {
remoteWrite = rw
})
i, err := random.Image(300 /* byteSize */, 7 /* layers */)
if err != nil {
t.Fatalf("random.Image() = %v", err)
}
si := signed.Image(i)
want := 6 // Add 6 signatures
for i := 0; i < want; i++ {
sig, err := static.NewSignature(nil, fmt.Sprintf("%d", i))
if err != nil {
t.Fatalf("static.NewSignature() = %v", err)
}
si, err = mutate.AttachSignatureToImage(si, sig)
if err != nil {
t.Fatalf("SignEntity() = %v", err)
}
}
ref := name.MustParseReference("gcr.io/bistroless/static:nonroot")
remoteWrite = func(_ name.Reference, img v1.Image, _ ...remote.Option) error {
l, err := img.Layers()
if err != nil {
return err
}
if got := len(l); got != want {
t.Errorf("got %d layers, wanted %d", got, want)
}
return nil
}
if err := WriteSignatures(ref.Context(), si); err != nil {
t.Fatalf("WriteSignature() = %v", err)
}
}
func TestWriteAttestations(t *testing.T) {
rw := remote.Write
t.Cleanup(func() {
remoteWrite = rw
})
i, err := random.Image(300 /* byteSize */, 7 /* layers */)
if err != nil {
t.Fatalf("random.Image() = %v", err)
}
si := signed.Image(i)
want := 6 // Add 6 attestations
for i := 0; i < want; i++ {
sig, err := static.NewAttestation([]byte(fmt.Sprintf("%d", i)))
if err != nil {
t.Fatalf("static.NewSignature() = %v", err)
}
si, err = mutate.AttachAttestationToImage(si, sig)
if err != nil {
t.Fatalf("SignEntity() = %v", err)
}
}
ref := name.MustParseReference("gcr.io/bistroless/static:nonroot")
remoteWrite = func(_ name.Reference, img v1.Image, _ ...remote.Option) error {
l, err := img.Layers()
if err != nil {
return err
}
if got := len(l); got != want {
t.Errorf("got %d layers, wanted %d", got, want)
}
return nil
}
if err := WriteAttestations(ref.Context(), si); err != nil {
t.Fatalf("WriteAttestations() = %v", err)
}
}
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