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// 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 name
import (
"path"
"strings"
"testing"
)
const validDigest = "sha256:deadb33fdeadb33fdeadb33fdeadb33fdeadb33fdeadb33fdeadb33fdeadb33f"
var goodStrictValidationDigestNames = []string{
"gcr.io/g-convoy/hello-world@" + validDigest,
"gcr.io/google.com/project-id/hello-world@" + validDigest,
"us.gcr.io/project-id/sub-repo@" + validDigest,
"example.text/foo/bar@" + validDigest,
}
var goodStrictValidationTagDigestNames = []string{
"example.text/foo/bar:latest@" + validDigest,
"example.text:8443/foo/bar:latest@" + validDigest,
"example.text/foo/bar:v1.0.0-alpine@" + validDigest,
}
var goodWeakValidationDigestNames = []string{
"namespace/pathcomponent/image@" + validDigest,
"library/ubuntu@" + validDigest,
}
var goodWeakValidationTagDigestNames = []string{
"nginx:latest@" + validDigest,
"library/nginx:latest@" + validDigest,
}
var badDigestNames = []string{
"gcr.io/project-id/unknown-alg@unknown:abc123",
"gcr.io/project-id/wrong-length@sha256:d34db33fd34db33f",
"gcr.io/project-id/missing-digest@",
// https://github.com/google/go-containerregistry/issues/1394
"repo@sha256:" + strings.Repeat(":", 64),
"repo@sha256:" + strings.Repeat("sh", 32),
"repo@sha256:" + validDigest + "@" + validDigest,
}
func TestNewDigestStrictValidation(t *testing.T) {
t.Parallel()
for _, name := range goodStrictValidationDigestNames {
if digest, err := NewDigest(name, StrictValidation); err != nil {
t.Errorf("`%s` should be a valid Digest name, got error: %v", name, err)
} else if digest.Name() != name {
t.Errorf("`%v` .Name() should reproduce the original name. Wanted: %s Got: %s", digest, name, digest.Name())
}
}
for _, name := range goodStrictValidationTagDigestNames {
if _, err := NewDigest(name, StrictValidation); err != nil {
t.Errorf("`%s` should be a valid Digest name, got error: %v", name, err)
}
}
for _, name := range append(goodWeakValidationDigestNames, badDigestNames...) {
if repo, err := NewDigest(name, StrictValidation); err == nil {
t.Errorf("`%s` should be an invalid Digest name, got Digest: %#v", name, repo)
}
}
}
func TestNewDigest(t *testing.T) {
t.Parallel()
for _, name := range append(goodStrictValidationDigestNames, append(goodWeakValidationDigestNames, goodWeakValidationTagDigestNames...)...) {
if _, err := NewDigest(name, WeakValidation); err != nil {
t.Errorf("`%s` should be a valid Digest name, got error: %v", name, err)
}
}
for _, name := range badDigestNames {
if repo, err := NewDigest(name, WeakValidation); err == nil {
t.Errorf("`%s` should be an invalid Digest name, got Digest: %#v", name, repo)
}
}
}
func TestDigestComponents(t *testing.T) {
t.Parallel()
testRegistry := "gcr.io"
testRepository := "project-id/image"
fullRepo := path.Join(testRegistry, testRepository)
digestNameStr := testRegistry + "/" + testRepository + "@" + validDigest
digest, err := NewDigest(digestNameStr, StrictValidation)
if err != nil {
t.Fatalf("`%s` should be a valid Digest name, got error: %v", digestNameStr, err)
}
if got := digest.String(); got != digestNameStr {
t.Errorf("String() was incorrect for %v. Wanted: `%s` Got: `%s`", digest, digestNameStr, got)
}
if got := digest.Identifier(); got != validDigest {
t.Errorf("Identifier() was incorrect for %v. Wanted: `%s` Got: `%s`", digest, validDigest, got)
}
actualRegistry := digest.RegistryStr()
if actualRegistry != testRegistry {
t.Errorf("RegistryStr() was incorrect for %v. Wanted: `%s` Got: `%s`", digest, testRegistry, actualRegistry)
}
actualRepository := digest.RepositoryStr()
if actualRepository != testRepository {
t.Errorf("RepositoryStr() was incorrect for %v. Wanted: `%s` Got: `%s`", digest, testRepository, actualRepository)
}
contextRepo := digest.Context().String()
if contextRepo != fullRepo {
t.Errorf("Context().String() was incorrect for %v. Wanted: `%s` Got: `%s`", digest, fullRepo, contextRepo)
}
actualDigest := digest.DigestStr()
if actualDigest != validDigest {
t.Errorf("DigestStr() was incorrect for %v. Wanted: `%s` Got: `%s`", digest, validDigest, actualDigest)
}
}
func TestDigestScopes(t *testing.T) {
t.Parallel()
testRegistry := "gcr.io"
testRepo := "project-id/image"
testAction := "pull"
expectedScope := strings.Join([]string{"repository", testRepo, testAction}, ":")
digestNameStr := testRegistry + "/" + testRepo + "@" + validDigest
digest, err := NewDigest(digestNameStr, StrictValidation)
if err != nil {
t.Fatalf("`%s` should be a valid Digest name, got error: %v", digestNameStr, err)
}
actualScope := digest.Scope(testAction)
if actualScope != expectedScope {
t.Errorf("scope was incorrect for %v. Wanted: `%s` Got: `%s`", digest, expectedScope, actualScope)
}
}
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