1 files changed, 97 insertions, 0 deletions
diff --git a/internal/legacy/copy_test.go b/internal/legacy/copy_test.go
new file mode 100644
index 0000000..b8ca799
--- /dev/null
+++ b/internal/legacy/copy_test.go
@@ -0,0 +1,97 @@
+// Copyright 2019 Google LLC All Rights Reserved.
+//
+// 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 legacy
+
+import (
+	"encoding/json"
+	"fmt"
+	"net/http/httptest"
+	"net/url"
+	"strings"
+	"testing"
+
+	"github.com/google/go-containerregistry/pkg/name"
+	"github.com/google/go-containerregistry/pkg/registry"
+	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/google/go-containerregistry/pkg/v1/types"
+)
+
+func TestCopySchema1(t *testing.T) {
+	// Set up a fake registry.
+	s := httptest.NewServer(registry.New())
+	defer s.Close()
+	u, err := url.Parse(s.URL)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// We'll copy from src to dst.
+	src := fmt.Sprintf("%s/schema1/src", u.Host)
+	srcRef, err := name.ParseReference(src)
+	if err != nil {
+		t.Fatal(err)
+	}
+	dst := fmt.Sprintf("%s/schema1/dst", u.Host)
+	dstRef, err := name.ParseReference(dst)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Create a random layer.
+	layer, err := random.Layer(1024, types.DockerLayer)
+	if err != nil {
+		t.Fatal(err)
+	}
+	digest, err := layer.Digest()
+	if err != nil {
+		t.Fatal(err)
+	}
+	layerRef, err := name.NewDigest(fmt.Sprintf("%s@%s", src, digest))
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Populate the registry with a layer and a schema 1 manifest referencing it.
+	if err := remote.WriteLayer(layerRef.Context(), layer); err != nil {
+		t.Fatal(err)
+	}
+	manifest := schema1{
+		FSLayers: []fslayer{{
+			BlobSum: digest.String(),
+		}},
+	}
+	b, err := json.Marshal(manifest)
+	if err != nil {
+		t.Fatal(err)
+	}
+	desc := &remote.Descriptor{
+		Manifest: b,
+		Descriptor: v1.Descriptor{
+			MediaType: types.DockerManifestSchema1,
+			Digest: v1.Hash{Algorithm: "sha256",
+				Hex: strings.Repeat("a", 64),
+			},
+		},
+	}
+	if err := remote.Put(dstRef, desc); err != nil {
+		t.Fatal(err)
+	}
+
+	if err := CopySchema1(desc, srcRef, dstRef); err != nil {
+		t.Errorf("failed to copy schema 1: %v", err)
+	}
+}