distribution/registry/storage/digester_resumable_test.go

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// +build !noresumabledigest
package storage
import (
"testing"
digest "github.com/opencontainers/go-digest"
"github.com/stevvooe/resumable"
_ "github.com/stevvooe/resumable/sha256"
)
// TestResumableDetection just ensures that the resumable capability of a hash
// is exposed through the digester type, which is just a hash plus a Digest
// method.
func TestResumableDetection(t *testing.T) {
d := digest.Canonical.Digester()
if _, ok := d.Hash().(resumable.Hash); !ok {
t.Fatalf("expected digester to implement resumable.Hash: %#v, %v", d, d.Hash())
}
}