// Copyright 2018 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 layout import ( "testing" v1 "github.com/google/go-containerregistry/pkg/v1" "github.com/google/go-containerregistry/pkg/v1/types" "github.com/google/go-containerregistry/pkg/v1/validate" ) func TestIndex(t *testing.T) { idx, err := ImageIndexFromPath(testPath) if err != nil { t.Fatalf("ImageIndexFromPath() = %v", err) } if err := validate.Index(idx); err != nil { t.Errorf("validate.Index() = %v", err) } mt, err := idx.MediaType() if err != nil { t.Fatalf("MediaType() = %v", err) } if got, want := mt, types.OCIImageIndex; got != want { t.Errorf("MediaType(); want: %v got: %v", want, got) } indexHash, _ := v1.NewHash("sha256:2b29a2b8dea3af91ea7d0154be1da0c92d55ddd098540930fc8d3db7de377fdb") ii, err := idx.ImageIndex(indexHash) if err != nil { t.Fatalf("ImageIndex() = %v", err) } mt, err = ii.MediaType() if err != nil { t.Fatalf("MediaType() = %v", err) } if got, want := mt, types.DockerManifestList; got != want { t.Errorf("MediaType(); want: %v got: %v", want, got) } } func TestIndexErrors(t *testing.T) { idx, err := ImageIndexFromPath(testPath) if err != nil { t.Fatalf("ImageIndexFromPath() = %v", err) } if _, err := idx.Image(bogusDigest); err == nil { t.Errorf("idx.Image(%s) = nil, expected err", bogusDigest) } if _, err := idx.Image(indexDigest); err == nil { t.Errorf("idx.Image(%s) = nil, expected err", bogusDigest) } if _, err := idx.ImageIndex(bogusDigest); err == nil { t.Errorf("idx.ImageIndex(%s) = nil, expected err", bogusDigest) } if _, err := idx.ImageIndex(manifestDigest); err == nil { t.Errorf("idx.ImageIndex(%s) = nil, expected err", bogusDigest) } }