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reference/docker: add unit-tests from upstream distribution/distribution

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This copies the unit-tests from the distribution repository from the time when
the package was forked. The tests are copied from this commit:
0d3efadf01

Tests for ParseAnyReferenceWithSet() have been removed, as that function has not
been included in the containerd fork.

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
This commit is contained in:
Sebastiaan van Stijn 2022-11-06 23:24:30 +01:00
parent 7de88c5ba3
commit f966602867
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GPG Key ID: 76698F39D527CE8C
3 changed files with 1882 additions and 0 deletions
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673
reference/docker/normalize_test.go Normal file
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/*
Copyright The containerd 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 docker
import (
"strconv"
"testing"
"github.com/opencontainers/go-digest"
)
func TestValidateReferenceName(t *testing.T) {
validRepoNames := []string{
"docker/docker",
"library/debian",
"debian",
"docker.io/docker/docker",
"docker.io/library/debian",
"docker.io/debian",
"index.docker.io/docker/docker",
"index.docker.io/library/debian",
"index.docker.io/debian",
"127.0.0.1:5000/docker/docker",
"127.0.0.1:5000/library/debian",
"127.0.0.1:5000/debian",
"thisisthesongthatneverendsitgoesonandonandonthisisthesongthatnev",
// This test case was moved from invalid to valid since it is valid input
// when specified with a hostname, it removes the ambiguity from about
// whether the value is an identifier or repository name
"docker.io/1a3f5e7d9c1b3a5f7e9d1c3b5a7f9e1d3c5b7a9f1e3d5d7c9b1a3f5e7d9c1b3a",
}
invalidRepoNames := []string{
"https://github.com/docker/docker",
"docker/Docker",
"-docker",
"-docker/docker",
"-docker.io/docker/docker",
"docker///docker",
"docker.io/docker/Docker",
"docker.io/docker///docker",
"1a3f5e7d9c1b3a5f7e9d1c3b5a7f9e1d3c5b7a9f1e3d5d7c9b1a3f5e7d9c1b3a",
}
for _, name := range invalidRepoNames {
_, err := ParseNormalizedNamed(name)
if err == nil {
t.Fatalf("Expected invalid repo name for %q", name)
}
}
for _, name := range validRepoNames {
_, err := ParseNormalizedNamed(name)
if err != nil {
t.Fatalf("Error parsing repo name %s, got: %q", name, err)
}
}
}
func TestValidateRemoteName(t *testing.T) {
validRepositoryNames := []string{
// Sanity check.
"docker/docker",
// Allow 64-character non-hexadecimal names (hexadecimal names are forbidden).
"thisisthesongthatneverendsitgoesonandonandonthisisthesongthatnev",
// Allow embedded hyphens.
"docker-rules/docker",
// Allow multiple hyphens as well.
"docker---rules/docker",
// Username doc and image name docker being tested.
"doc/docker",
// single character names are now allowed.
"d/docker",
"jess/t",
// Consecutive underscores.
"dock__er/docker",
}
for _, repositoryName := range validRepositoryNames {
_, err := ParseNormalizedNamed(repositoryName)
if err != nil {
t.Errorf("Repository name should be valid: %v. Error: %v", repositoryName, err)
}
}
invalidRepositoryNames := []string{
// Disallow capital letters.
"docker/Docker",
// Only allow one slash.
"docker///docker",
// Disallow 64-character hexadecimal.
"1a3f5e7d9c1b3a5f7e9d1c3b5a7f9e1d3c5b7a9f1e3d5d7c9b1a3f5e7d9c1b3a",
// Disallow leading and trailing hyphens in namespace.
"-docker/docker",
"docker-/docker",
"-docker-/docker",
// Don't allow underscores everywhere (as opposed to hyphens).
"____/____",
"_docker/_docker",
// Disallow consecutive periods.
"dock..er/docker",
"dock_.er/docker",
"dock-.er/docker",
// No repository.
"docker/",
// namespace too long
"this_is_not_a_valid_namespace_because_its_lenth_is_greater_than_255_this_is_not_a_valid_namespace_because_its_lenth_is_greater_than_255_this_is_not_a_valid_namespace_because_its_lenth_is_greater_than_255_this_is_not_a_valid_namespace_because_its_lenth_is_greater_than_255/docker",
}
for _, repositoryName := range invalidRepositoryNames {
if _, err := ParseNormalizedNamed(repositoryName); err == nil {
t.Errorf("Repository name should be invalid: %v", repositoryName)
}
}
}
func TestParseRepositoryInfo(t *testing.T) {
type tcase struct {
RemoteName, FamiliarName, FullName, AmbiguousName, Domain string
}
tcases := []tcase{
{
RemoteName: "fooo/bar",
FamiliarName: "fooo/bar",
FullName: "docker.io/fooo/bar",
AmbiguousName: "index.docker.io/fooo/bar",
Domain: "docker.io",
},
{
RemoteName: "library/ubuntu",
FamiliarName: "ubuntu",
FullName: "docker.io/library/ubuntu",
AmbiguousName: "library/ubuntu",
Domain: "docker.io",
},
{
RemoteName: "nonlibrary/ubuntu",
FamiliarName: "nonlibrary/ubuntu",
FullName: "docker.io/nonlibrary/ubuntu",
AmbiguousName: "",
Domain: "docker.io",
},
{
RemoteName: "other/library",
FamiliarName: "other/library",
FullName: "docker.io/other/library",
AmbiguousName: "",
Domain: "docker.io",
},
{
RemoteName: "private/moonbase",
FamiliarName: "127.0.0.1:8000/private/moonbase",
FullName: "127.0.0.1:8000/private/moonbase",
AmbiguousName: "",
Domain: "127.0.0.1:8000",
},
{
RemoteName: "privatebase",
FamiliarName: "127.0.0.1:8000/privatebase",
FullName: "127.0.0.1:8000/privatebase",
AmbiguousName: "",
Domain: "127.0.0.1:8000",
},
{
RemoteName: "private/moonbase",
FamiliarName: "example.com/private/moonbase",
FullName: "example.com/private/moonbase",
AmbiguousName: "",
Domain: "example.com",
},
{
RemoteName: "privatebase",
FamiliarName: "example.com/privatebase",
FullName: "example.com/privatebase",
AmbiguousName: "",
Domain: "example.com",
},
{
RemoteName: "private/moonbase",
FamiliarName: "example.com:8000/private/moonbase",
FullName: "example.com:8000/private/moonbase",
AmbiguousName: "",
Domain: "example.com:8000",
},
{
RemoteName: "privatebasee",
FamiliarName: "example.com:8000/privatebasee",
FullName: "example.com:8000/privatebasee",
AmbiguousName: "",
Domain: "example.com:8000",
},
{
RemoteName: "library/ubuntu-12.04-base",
FamiliarName: "ubuntu-12.04-base",
FullName: "docker.io/library/ubuntu-12.04-base",
AmbiguousName: "index.docker.io/library/ubuntu-12.04-base",
Domain: "docker.io",
},
{
RemoteName: "library/foo",
FamiliarName: "foo",
FullName: "docker.io/library/foo",
AmbiguousName: "docker.io/foo",
Domain: "docker.io",
},
{
RemoteName: "library/foo/bar",
FamiliarName: "library/foo/bar",
FullName: "docker.io/library/foo/bar",
AmbiguousName: "",
Domain: "docker.io",
},
{
RemoteName: "store/foo/bar",
FamiliarName: "store/foo/bar",
FullName: "docker.io/store/foo/bar",
AmbiguousName: "",
Domain: "docker.io",
},
}
for _, tcase := range tcases {
refStrings := []string{tcase.FamiliarName, tcase.FullName}
if tcase.AmbiguousName != "" {
refStrings = append(refStrings, tcase.AmbiguousName)
}
var refs []Named
for _, r := range refStrings {
named, err := ParseNormalizedNamed(r)
if err != nil {
t.Fatal(err)
}
refs = append(refs, named)
}
for _, r := range refs {
if expected, actual := tcase.FamiliarName, FamiliarName(r); expected != actual {
t.Fatalf("Invalid normalized reference for %q. Expected %q, got %q", r, expected, actual)
}
if expected, actual := tcase.FullName, r.String(); expected != actual {
t.Fatalf("Invalid canonical reference for %q. Expected %q, got %q", r, expected, actual)
}
if expected, actual := tcase.Domain, Domain(r); expected != actual {
t.Fatalf("Invalid domain for %q. Expected %q, got %q", r, expected, actual)
}
if expected, actual := tcase.RemoteName, Path(r); expected != actual {
t.Fatalf("Invalid remoteName for %q. Expected %q, got %q", r, expected, actual)
}
}
}
}
func TestParseReferenceWithTagAndDigest(t *testing.T) {
shortRef := "busybox:latest@sha256:86e0e091d0da6bde2456dbb48306f3956bbeb2eae1b5b9a43045843f69fe4aaa"
ref, err := ParseNormalizedNamed(shortRef)
if err != nil {
t.Fatal(err)
}
if expected, actual := "docker.io/library/"+shortRef, ref.String(); actual != expected {
t.Fatalf("Invalid parsed reference for %q: expected %q, got %q", ref, expected, actual)
}
if _, isTagged := ref.(NamedTagged); !isTagged {
t.Fatalf("Reference from %q should support tag", ref)
}
if _, isCanonical := ref.(Canonical); !isCanonical {
t.Fatalf("Reference from %q should support digest", ref)
}
if expected, actual := shortRef, FamiliarString(ref); actual != expected {
t.Fatalf("Invalid parsed reference for %q: expected %q, got %q", ref, expected, actual)
}
}
func TestInvalidReferenceComponents(t *testing.T) {
if _, err := ParseNormalizedNamed("-foo"); err == nil {
t.Fatal("Expected WithName to detect invalid name")
}
ref, err := ParseNormalizedNamed("busybox")
if err != nil {
t.Fatal(err)
}
if _, err := WithTag(ref, "-foo"); err == nil {
t.Fatal("Expected WithName to detect invalid tag")
}
if _, err := WithDigest(ref, digest.Digest("foo")); err == nil {
t.Fatal("Expected WithDigest to detect invalid digest")
}
}
func equalReference(r1, r2 Reference) bool {
switch v1 := r1.(type) {
case digestReference:
if v2, ok := r2.(digestReference); ok {
return v1 == v2
}
case repository:
if v2, ok := r2.(repository); ok {
return v1 == v2
}
case taggedReference:
if v2, ok := r2.(taggedReference); ok {
return v1 == v2
}
case canonicalReference:
if v2, ok := r2.(canonicalReference); ok {
return v1 == v2
}
case reference:
if v2, ok := r2.(reference); ok {
return v1 == v2
}
}
return false
}
func TestParseAnyReference(t *testing.T) {
tcases := []struct {
Reference string
Equivalent string
Expected Reference
}{
{
Reference: "redis",
Equivalent: "docker.io/library/redis",
},
{
Reference: "redis:latest",
Equivalent: "docker.io/library/redis:latest",
},
{
Reference: "docker.io/library/redis:latest",
Equivalent: "docker.io/library/redis:latest",
},
{
Reference: "redis@sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
Equivalent: "docker.io/library/redis@sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
},
{
Reference: "docker.io/library/redis@sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
Equivalent: "docker.io/library/redis@sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
},
{
Reference: "dmcgowan/myapp",
Equivalent: "docker.io/dmcgowan/myapp",
},
{
Reference: "dmcgowan/myapp:latest",
Equivalent: "docker.io/dmcgowan/myapp:latest",
},
{
Reference: "docker.io/mcgowan/myapp:latest",
Equivalent: "docker.io/mcgowan/myapp:latest",
},
{
Reference: "dmcgowan/myapp@sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
Equivalent: "docker.io/dmcgowan/myapp@sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
},
{
Reference: "docker.io/dmcgowan/myapp@sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
Equivalent: "docker.io/dmcgowan/myapp@sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
},
{
Reference: "dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
Expected: digestReference("sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c"),
Equivalent: "sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
},
{
Reference: "sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
Expected: digestReference("sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c"),
Equivalent: "sha256:dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9c",
},
{
Reference: "dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9",
Equivalent: "docker.io/library/dbcc1c35ac38df41fd2f5e4130b32ffdb93ebae8b3dbe638c23575912276fc9",
},
{
Reference: "dbcc1",
Equivalent: "docker.io/library/dbcc1",
},
}
for _, tcase := range tcases {
var ref Reference
var err error
ref, err = ParseAnyReference(tcase.Reference)
if err != nil {
t.Fatalf("Error parsing reference %s: %v", tcase.Reference, err)
}
if ref.String() != tcase.Equivalent {
t.Fatalf("Unexpected string: %s, expected %s", ref.String(), tcase.Equivalent)
}
expected := tcase.Expected
if expected == nil {
expected, err = Parse(tcase.Equivalent)
if err != nil {
t.Fatalf("Error parsing reference %s: %v", tcase.Equivalent, err)
}
}
if !equalReference(ref, expected) {
t.Errorf("Unexpected reference %#v, expected %#v", ref, expected)
}
}
}
func TestNormalizedSplitHostname(t *testing.T) {
testcases := []struct {
input string
domain string
name string
}{
{
input: "test.com/foo",
domain: "test.com",
name: "foo",
},
{
input: "test_com/foo",
domain: "docker.io",
name: "test_com/foo",
},
{
input: "docker/migrator",
domain: "docker.io",
name: "docker/migrator",
},
{
input: "test.com:8080/foo",
domain: "test.com:8080",
name: "foo",
},
{
input: "test-com:8080/foo",
domain: "test-com:8080",
name: "foo",
},
{
input: "foo",
domain: "docker.io",
name: "library/foo",
},
{
input: "xn--n3h.com/foo",
domain: "xn--n3h.com",
name: "foo",
},
{
input: "xn--n3h.com:18080/foo",
domain: "xn--n3h.com:18080",
name: "foo",
},
{
input: "docker.io/foo",
domain: "docker.io",
name: "library/foo",
},
{
input: "docker.io/library/foo",
domain: "docker.io",
name: "library/foo",
},
{
input: "docker.io/library/foo/bar",
domain: "docker.io",
name: "library/foo/bar",
},
}
for _, testcase := range testcases {
failf := func(format string, v ...interface{}) {
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
t.Fail()
}
named, err := ParseNormalizedNamed(testcase.input)
if err != nil {
failf("error parsing name: %s", err)
}
domain, name := SplitHostname(named)
if domain != testcase.domain {
failf("unexpected domain: got %q, expected %q", domain, testcase.domain)
}
if name != testcase.name {
failf("unexpected name: got %q, expected %q", name, testcase.name)
}
}
}
func TestMatchError(t *testing.T) {
named, err := ParseAnyReference("foo")
if err != nil {
t.Fatal(err)
}
_, err = FamiliarMatch("[-x]", named)
if err == nil {
t.Fatalf("expected an error, got nothing")
}
}
func TestMatch(t *testing.T) {
matchCases := []struct {
reference string
pattern string
expected bool
}{
{
reference: "foo",
pattern: "foo/**/ba[rz]",
expected: false,
},
{
reference: "foo/any/bat",
pattern: "foo/**/ba[rz]",
expected: false,
},
{
reference: "foo/a/bar",
pattern: "foo/**/ba[rz]",
expected: true,
},
{
reference: "foo/b/baz",
pattern: "foo/**/ba[rz]",
expected: true,
},
{
reference: "foo/c/baz:tag",
pattern: "foo/**/ba[rz]",
expected: true,
},
{
reference: "foo/c/baz:tag",
pattern: "foo/*/baz:tag",
expected: true,
},
{
reference: "foo/c/baz:tag",
pattern: "foo/c/baz:tag",
expected: true,
},
{
reference: "example.com/foo/c/baz:tag",
pattern: "*/foo/c/baz",
expected: true,
},
{
reference: "example.com/foo/c/baz:tag",
pattern: "example.com/foo/c/baz",
expected: true,
},
}
for _, c := range matchCases {
named, err := ParseAnyReference(c.reference)
if err != nil {
t.Fatal(err)
}
actual, err := FamiliarMatch(c.pattern, named)
if err != nil {
t.Fatal(err)
}
if actual != c.expected {
t.Fatalf("expected %s match %s to be %v, was %v", c.reference, c.pattern, c.expected, actual)
}
}
}
func TestParseDockerRef(t *testing.T) {
testcases := []struct {
name string
input string
expected string
}{
{
name: "nothing",
input: "busybox",
expected: "docker.io/library/busybox:latest",
},
{
name: "tag only",
input: "busybox:latest",
expected: "docker.io/library/busybox:latest",
},
{
name: "digest only",
input: "busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
expected: "docker.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
},
{
name: "path only",
input: "library/busybox",
expected: "docker.io/library/busybox:latest",
},
{
name: "hostname only",
input: "docker.io/busybox",
expected: "docker.io/library/busybox:latest",
},
{
name: "no tag",
input: "docker.io/library/busybox",
expected: "docker.io/library/busybox:latest",
},
{
name: "no path",
input: "docker.io/busybox:latest",
expected: "docker.io/library/busybox:latest",
},
{
name: "no hostname",
input: "library/busybox:latest",
expected: "docker.io/library/busybox:latest",
},
{
name: "full reference with tag",
input: "docker.io/library/busybox:latest",
expected: "docker.io/library/busybox:latest",
},
{
name: "gcr reference without tag",
input: "gcr.io/library/busybox",
expected: "gcr.io/library/busybox:latest",
},
{
name: "both tag and digest",
input: "gcr.io/library/busybox:latest@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
expected: "gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
},
}
for _, test := range testcases {
t.Run(test.name, func(t *testing.T) {
normalized, err := ParseDockerRef(test.input)
if err != nil {
t.Fatal(err)
}
output := normalized.String()
if output != test.expected {
t.Fatalf("expected %q to be parsed as %v, got %v", test.input, test.expected, output)
}
_, err = Parse(output)
if err != nil {
t.Fatalf("%q should be a valid reference, but got an error: %v", output, err)
}
})
}
}

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reference/docker/reference_test.go Normal file
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/*
Copyright The containerd 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 docker
import (
_ "crypto/sha256"
_ "crypto/sha512"
"encoding/json"
"strconv"
"strings"
"testing"
"github.com/opencontainers/go-digest"
)
func TestReferenceParse(t *testing.T) {
// referenceTestcases is a unified set of testcases for
// testing the parsing of references
referenceTestcases := []struct {
// input is the repository name or name component testcase
input string
// err is the error expected from Parse, or nil
err error
// repository is the string representation for the reference
repository string
// domain is the domain expected in the reference
domain string
// tag is the tag for the reference
tag string
// digest is the digest for the reference (enforces digest reference)
digest string
}{
{
input: "test_com",
repository: "test_com",
},
{
input: "test.com:tag",
repository: "test.com",
tag: "tag",
},
{
input: "test.com:5000",
repository: "test.com",
tag: "5000",
},
{
input: "test.com/repo:tag",
domain: "test.com",
repository: "test.com/repo",
tag: "tag",
},
{
input: "test:5000/repo",
domain: "test:5000",
repository: "test:5000/repo",
},
{
input: "test:5000/repo:tag",
domain: "test:5000",
repository: "test:5000/repo",
tag: "tag",
},
{
input: "test:5000/repo@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
domain: "test:5000",
repository: "test:5000/repo",
digest: "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
},
{
input: "test:5000/repo:tag@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
domain: "test:5000",
repository: "test:5000/repo",
tag: "tag",
digest: "sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
},
{
input: "test:5000/repo",
domain: "test:5000",
repository: "test:5000/repo",
},
{
input: "",
err: ErrNameEmpty,
},
{
input: ":justtag",
err: ErrReferenceInvalidFormat,
},
{
input: "@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
err: ErrReferenceInvalidFormat,
},
{
input: "repo@sha256:ffffffffffffffffffffffffffffffffff",
err: digest.ErrDigestInvalidLength,
},
{
input: "validname@invaliddigest:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
err: digest.ErrDigestUnsupported,
},
{
input: "Uppercase:tag",
err: ErrNameContainsUppercase,
},
// FIXME "Uppercase" is incorrectly handled as a domain-name here, therefore passes.
// See https://github.com/docker/distribution/pull/1778, and https://github.com/docker/docker/pull/20175
// {
// input: "Uppercase/lowercase:tag",
// err: ErrNameContainsUppercase,
// },
{
input: "test:5000/Uppercase/lowercase:tag",
err: ErrNameContainsUppercase,
},
{
input: "lowercase:Uppercase",
repository: "lowercase",
tag: "Uppercase",
},
{
input: strings.Repeat("a/", 128) + "a:tag",
err: ErrNameTooLong,
},
{
input: strings.Repeat("a/", 127) + "a:tag-puts-this-over-max",
domain: "a",
repository: strings.Repeat("a/", 127) + "a",
tag: "tag-puts-this-over-max",
},
{
input: "aa/asdf$$^/aa",
err: ErrReferenceInvalidFormat,
},
{
input: "sub-dom1.foo.com/bar/baz/quux",
domain: "sub-dom1.foo.com",
repository: "sub-dom1.foo.com/bar/baz/quux",
},
{
input: "sub-dom1.foo.com/bar/baz/quux:some-long-tag",
domain: "sub-dom1.foo.com",
repository: "sub-dom1.foo.com/bar/baz/quux",
tag: "some-long-tag",
},
{
input: "b.gcr.io/test.example.com/my-app:test.example.com",
domain: "b.gcr.io",
repository: "b.gcr.io/test.example.com/my-app",
tag: "test.example.com",
},
{
input: "xn--n3h.com/myimage:xn--n3h.com", // ☃.com in punycode
domain: "xn--n3h.com",
repository: "xn--n3h.com/myimage",
tag: "xn--n3h.com",
},
{
input: "xn--7o8h.com/myimage:xn--7o8h.com@sha512:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", // 🐳.com in punycode
domain: "xn--7o8h.com",
repository: "xn--7o8h.com/myimage",
tag: "xn--7o8h.com",
digest: "sha512:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
},
{
input: "foo_bar.com:8080",
repository: "foo_bar.com",
tag: "8080",
},
{
input: "foo/foo_bar.com:8080",
domain: "foo",
repository: "foo/foo_bar.com",
tag: "8080",
},
}
for _, testcase := range referenceTestcases {
failf := func(format string, v ...interface{}) {
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
t.Fail()
}
repo, err := Parse(testcase.input)
if testcase.err != nil {
if err == nil {
failf("missing expected error: %v", testcase.err)
} else if testcase.err != err {
failf("mismatched error: got %v, expected %v", err, testcase.err)
}
continue
} else if err != nil {
failf("unexpected parse error: %v", err)
continue
}
if repo.String() != testcase.input {
failf("mismatched repo: got %q, expected %q", repo.String(), testcase.input)
}
if named, ok := repo.(Named); ok {
if named.Name() != testcase.repository {
failf("unexpected repository: got %q, expected %q", named.Name(), testcase.repository)
}
domain, _ := SplitHostname(named)
if domain != testcase.domain {
failf("unexpected domain: got %q, expected %q", domain, testcase.domain)
}
} else if testcase.repository != "" || testcase.domain != "" {
failf("expected named type, got %T", repo)
}
tagged, ok := repo.(Tagged)
if testcase.tag != "" {
if ok {
if tagged.Tag() != testcase.tag {
failf("unexpected tag: got %q, expected %q", tagged.Tag(), testcase.tag)
}
} else {
failf("expected tagged type, got %T", repo)
}
} else if ok {
failf("unexpected tagged type")
}
digested, ok := repo.(Digested)
if testcase.digest != "" {
if ok {
if digested.Digest().String() != testcase.digest {
failf("unexpected digest: got %q, expected %q", digested.Digest().String(), testcase.digest)
}
} else {
failf("expected digested type, got %T", repo)
}
} else if ok {
failf("unexpected digested type")
}
}
}
// TestWithNameFailure tests cases where WithName should fail. Cases where it
// should succeed are covered by TestSplitHostname, below.
func TestWithNameFailure(t *testing.T) {
testcases := []struct {
input string
err error
}{
{
input: "",
err: ErrNameEmpty,
},
{
input: ":justtag",
err: ErrReferenceInvalidFormat,
},
{
input: "@sha256:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
err: ErrReferenceInvalidFormat,
},
{
input: "validname@invaliddigest:ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",
err: ErrReferenceInvalidFormat,
},
{
input: strings.Repeat("a/", 128) + "a:tag",
err: ErrNameTooLong,
},
{
input: "aa/asdf$$^/aa",
err: ErrReferenceInvalidFormat,
},
}
for _, testcase := range testcases {
failf := func(format string, v ...interface{}) {
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
t.Fail()
}
_, err := WithName(testcase.input)
if err == nil {
failf("no error parsing name. expected: %s", testcase.err)
}
}
}
func TestSplitHostname(t *testing.T) {
testcases := []struct {
input string
domain string
name string
}{
{
input: "test.com/foo",
domain: "test.com",
name: "foo",
},
{
input: "test_com/foo",
domain: "",
name: "test_com/foo",
},
{
input: "test:8080/foo",
domain: "test:8080",
name: "foo",
},
{
input: "test.com:8080/foo",
domain: "test.com:8080",
name: "foo",
},
{
input: "test-com:8080/foo",
domain: "test-com:8080",
name: "foo",
},
{
input: "xn--n3h.com:18080/foo",
domain: "xn--n3h.com:18080",
name: "foo",
},
}
for _, testcase := range testcases {
failf := func(format string, v ...interface{}) {
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
t.Fail()
}
named, err := WithName(testcase.input)
if err != nil {
failf("error parsing name: %s", err)
}
domain, name := SplitHostname(named)
if domain != testcase.domain {
failf("unexpected domain: got %q, expected %q", domain, testcase.domain)
}
if name != testcase.name {
failf("unexpected name: got %q, expected %q", name, testcase.name)
}
}
}
type serializationType struct {
Description string
Field Field
}
func TestSerialization(t *testing.T) {
testcases := []struct {
description string
input string
name string
tag string
digest string
err error
}{
{
description: "empty value",
err: ErrNameEmpty,
},
{
description: "just a name",
input: "example.com:8000/named",
name: "example.com:8000/named",
},
{
description: "name with a tag",
input: "example.com:8000/named:tagged",
name: "example.com:8000/named",
tag: "tagged",
},
{
description: "name with digest",
input: "other.com/named@sha256:1234567890098765432112345667890098765432112345667890098765432112",
name: "other.com/named",
digest: "sha256:1234567890098765432112345667890098765432112345667890098765432112",
},
}
for _, testcase := range testcases {
failf := func(format string, v ...interface{}) {
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
t.Fail()
}
m := map[string]string{
"Description": testcase.description,
"Field": testcase.input,
}
b, err := json.Marshal(m)
if err != nil {
failf("error marshalling: %v", err)
}
t := serializationType{}
if err := json.Unmarshal(b, &t); err != nil {
if testcase.err == nil {
failf("error unmarshalling: %v", err)
}
if err != testcase.err {
failf("wrong error, expected %v, got %v", testcase.err, err)
}
continue
} else if testcase.err != nil {
failf("expected error unmarshalling: %v", testcase.err)
}
if t.Description != testcase.description {
failf("wrong description, expected %q, got %q", testcase.description, t.Description)
}
ref := t.Field.Reference()
if named, ok := ref.(Named); ok {
if named.Name() != testcase.name {
failf("unexpected repository: got %q, expected %q", named.Name(), testcase.name)
}
} else if testcase.name != "" {
failf("expected named type, got %T", ref)
}
tagged, ok := ref.(Tagged)
if testcase.tag != "" {
if ok {
if tagged.Tag() != testcase.tag {
failf("unexpected tag: got %q, expected %q", tagged.Tag(), testcase.tag)
}
} else {
failf("expected tagged type, got %T", ref)
}
} else if ok {
failf("unexpected tagged type")
}
digested, ok := ref.(Digested)
if testcase.digest != "" {
if ok {
if digested.Digest().String() != testcase.digest {
failf("unexpected digest: got %q, expected %q", digested.Digest().String(), testcase.digest)
}
} else {
failf("expected digested type, got %T", ref)
}
} else if ok {
failf("unexpected digested type")
}
t = serializationType{
Description: testcase.description,
Field: AsField(ref),
}
b2, err := json.Marshal(t)
if err != nil {
failf("error marshing serialization type: %v", err)
}
if string(b) != string(b2) {
failf("unexpected serialized value: expected %q, got %q", string(b), string(b2))
}
// Ensure t.Field is not implementing "Reference" directly, getting
// around the Reference type system
var fieldInterface interface{} = t.Field
if _, ok := fieldInterface.(Reference); ok {
failf("field should not implement Reference interface")
}
}
}
func TestWithTag(t *testing.T) {
testcases := []struct {
name string
digest digest.Digest
tag string
combined string
}{
{
name: "test.com/foo",
tag: "tag",
combined: "test.com/foo:tag",
},
{
name: "foo",
tag: "tag2",
combined: "foo:tag2",
},
{
name: "test.com:8000/foo",
tag: "tag4",
combined: "test.com:8000/foo:tag4",
},
{
name: "test.com:8000/foo",
tag: "TAG5",
combined: "test.com:8000/foo:TAG5",
},
{
name: "test.com:8000/foo",
digest: "sha256:1234567890098765432112345667890098765",
tag: "TAG5",
combined: "test.com:8000/foo:TAG5@sha256:1234567890098765432112345667890098765",
},
}
for _, testcase := range testcases {
failf := func(format string, v ...interface{}) {
t.Logf(strconv.Quote(testcase.name)+": "+format, v...)
t.Fail()
}
named, err := WithName(testcase.name)
if err != nil {
failf("error parsing name: %s", err)
}
if testcase.digest != "" {
canonical, err := WithDigest(named, testcase.digest)
if err != nil {
failf("error adding digest")
}
named = canonical
}
tagged, err := WithTag(named, testcase.tag)
if err != nil {
failf("WithTag failed: %s", err)
}
if tagged.String() != testcase.combined {
failf("unexpected: got %q, expected %q", tagged.String(), testcase.combined)
}
}
}
func TestWithDigest(t *testing.T) {
testcases := []struct {
name string
digest digest.Digest
tag string
combined string
}{
{
name: "test.com/foo",
digest: "sha256:1234567890098765432112345667890098765",
combined: "test.com/foo@sha256:1234567890098765432112345667890098765",
},
{
name: "foo",
digest: "sha256:1234567890098765432112345667890098765",
combined: "foo@sha256:1234567890098765432112345667890098765",
},
{
name: "test.com:8000/foo",
digest: "sha256:1234567890098765432112345667890098765",
combined: "test.com:8000/foo@sha256:1234567890098765432112345667890098765",
},
{
name: "test.com:8000/foo",
digest: "sha256:1234567890098765432112345667890098765",
tag: "latest",
combined: "test.com:8000/foo:latest@sha256:1234567890098765432112345667890098765",
},
}
for _, testcase := range testcases {
failf := func(format string, v ...interface{}) {
t.Logf(strconv.Quote(testcase.name)+": "+format, v...)
t.Fail()
}
named, err := WithName(testcase.name)
if err != nil {
failf("error parsing name: %s", err)
}
if testcase.tag != "" {
tagged, err := WithTag(named, testcase.tag)
if err != nil {
failf("error adding tag")
}
named = tagged
}
digested, err := WithDigest(named, testcase.digest)
if err != nil {
failf("WithDigest failed: %s", err)
}
if digested.String() != testcase.combined {
failf("unexpected: got %q, expected %q", digested.String(), testcase.combined)
}
}
}
func TestParseNamed(t *testing.T) {
testcases := []struct {
input string
domain string
name string
err error
}{
{
input: "test.com/foo",
domain: "test.com",
name: "foo",
},
{
input: "test:8080/foo",
domain: "test:8080",
name: "foo",
},
{
input: "test_com/foo",
err: ErrNameNotCanonical,
},
{
input: "test.com",
err: ErrNameNotCanonical,
},
{
input: "foo",
err: ErrNameNotCanonical,
},
{
input: "library/foo",
err: ErrNameNotCanonical,
},
{
input: "docker.io/library/foo",
domain: "docker.io",
name: "library/foo",
},
// Ambiguous case, parser will add "library/" to foo
{
input: "docker.io/foo",
err: ErrNameNotCanonical,
},
}
for _, testcase := range testcases {
failf := func(format string, v ...interface{}) {
t.Logf(strconv.Quote(testcase.input)+": "+format, v...)
t.Fail()
}
named, err := ParseNamed(testcase.input)
if err != nil && testcase.err == nil {
failf("error parsing name: %s", err)
continue
} else if err == nil && testcase.err != nil {
failf("parsing succeeded: expected error %v", testcase.err)
continue
} else if err != testcase.err {
failf("unexpected error %v, expected %v", err, testcase.err)
continue
} else if err != nil {
continue
}
domain, name := SplitHostname(named)
if domain != testcase.domain {
failf("unexpected domain: got %q, expected %q", domain, testcase.domain)
}
if name != testcase.name {
failf("unexpected name: got %q, expected %q", name, testcase.name)
}
}
}

534
reference/docker/regexp_test.go Normal file
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@ -0,0 +1,534 @@
/*
Copyright The containerd 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 docker
import (
"regexp"
"strings"
"testing"
)
type regexpMatch struct {
input string
match bool
subs []string
}
func checkRegexp(t *testing.T, r *regexp.Regexp, m regexpMatch) {
matches := r.FindStringSubmatch(m.input)
if m.match && matches != nil {
if len(matches) != (r.NumSubexp()+1) || matches[0] != m.input {
t.Fatalf("Bad match result %#v for %q", matches, m.input)
}
if len(matches) < (len(m.subs) + 1) {
t.Errorf("Expected %d sub matches, only have %d for %q", len(m.subs), len(matches)-1, m.input)
}
for i := range m.subs {
if m.subs[i] != matches[i+1] {
t.Errorf("Unexpected submatch %d: %q, expected %q for %q", i+1, matches[i+1], m.subs[i], m.input)
}
}
} else if m.match {
t.Errorf("Expected match for %q", m.input)
} else if matches != nil {
t.Errorf("Unexpected match for %q", m.input)
}
}
func TestDomainRegexp(t *testing.T) {
hostcases := []regexpMatch{
{
input: "test.com",
match: true,
},
{
input: "test.com:10304",
match: true,
},
{
input: "test.com:http",
match: false,
},
{
input: "localhost",
match: true,
},
{
input: "localhost:8080",
match: true,
},
{
input: "a",
match: true,
},
{
input: "a.b",
match: true,
},
{
input: "ab.cd.com",
match: true,
},
{
input: "a-b.com",
match: true,
},
{
input: "-ab.com",
match: false,
},
{
input: "ab-.com",
match: false,
},
{
input: "ab.c-om",
match: true,
},
{
input: "ab.-com",
match: false,
},
{
input: "ab.com-",
match: false,
},
{
input: "0101.com",
match: true, // TODO(dmcgowan): valid if this should be allowed
},
{
input: "001a.com",
match: true,
},
{
input: "b.gbc.io:443",
match: true,
},
{
input: "b.gbc.io",
match: true,
},
{
input: "xn--n3h.com", // ☃.com in punycode
match: true,
},
{
input: "Asdf.com", // uppercase character
match: true,
},
}
r := regexp.MustCompile(`^` + DomainRegexp.String() + `$`)
for i := range hostcases {
checkRegexp(t, r, hostcases[i])
}
}
func TestFullNameRegexp(t *testing.T) {
if anchoredNameRegexp.NumSubexp() != 2 {
t.Fatalf("anchored name regexp should have two submatches: %v, %v != 2",
anchoredNameRegexp, anchoredNameRegexp.NumSubexp())
}
testcases := []regexpMatch{
{
input: "",
match: false,
},
{
input: "short",
match: true,
subs: []string{"", "short"},
},
{
input: "simple/name",
match: true,
subs: []string{"simple", "name"},
},
{
input: "library/ubuntu",
match: true,
subs: []string{"library", "ubuntu"},
},
{
input: "docker/stevvooe/app",
match: true,
subs: []string{"docker", "stevvooe/app"},
},
{
input: "aa/aa/aa/aa/aa/aa/aa/aa/aa/bb/bb/bb/bb/bb/bb",
match: true,
subs: []string{"aa", "aa/aa/aa/aa/aa/aa/aa/aa/bb/bb/bb/bb/bb/bb"},
},
{
input: "aa/aa/bb/bb/bb",
match: true,
subs: []string{"aa", "aa/bb/bb/bb"},
},
{
input: "a/a/a/a",
match: true,
subs: []string{"a", "a/a/a"},
},
{
input: "a/a/a/a/",
match: false,
},
{
input: "a//a/a",
match: false,
},
{
input: "a",
match: true,
subs: []string{"", "a"},
},
{
input: "a/aa",
match: true,
subs: []string{"a", "aa"},
},
{
input: "a/aa/a",
match: true,
subs: []string{"a", "aa/a"},
},
{
input: "foo.com",
match: true,
subs: []string{"", "foo.com"},
},
{
input: "foo.com/",
match: false,
},
{
input: "foo.com:8080/bar",
match: true,
subs: []string{"foo.com:8080", "bar"},
},
{
input: "foo.com:http/bar",
match: false,
},
{
input: "foo.com/bar",
match: true,
subs: []string{"foo.com", "bar"},
},
{
input: "foo.com/bar/baz",
match: true,
subs: []string{"foo.com", "bar/baz"},
},
{
input: "localhost:8080/bar",
match: true,
subs: []string{"localhost:8080", "bar"},
},
{
input: "sub-dom1.foo.com/bar/baz/quux",
match: true,
subs: []string{"sub-dom1.foo.com", "bar/baz/quux"},
},
{
input: "blog.foo.com/bar/baz",
match: true,
subs: []string{"blog.foo.com", "bar/baz"},
},
{
input: "a^a",
match: false,
},
{
input: "aa/asdf$$^/aa",
match: false,
},
{
input: "asdf$$^/aa",
match: false,
},
{
input: "aa-a/a",
match: true,
subs: []string{"aa-a", "a"},
},
{
input: strings.Repeat("a/", 128) + "a",
match: true,
subs: []string{"a", strings.Repeat("a/", 127) + "a"},
},
{
input: "a-/a/a/a",
match: false,
},
{
input: "foo.com/a-/a/a",
match: false,
},
{
input: "-foo/bar",
match: false,
},
{
input: "foo/bar-",
match: false,
},
{
input: "foo-/bar",
match: false,
},
{
input: "foo/-bar",
match: false,
},
{
input: "_foo/bar",
match: false,
},
{
input: "foo_bar",
match: true,
subs: []string{"", "foo_bar"},
},
{
input: "foo_bar.com",
match: true,
subs: []string{"", "foo_bar.com"},
},
{
input: "foo_bar.com:8080",
match: false,
},
{
input: "foo_bar.com:8080/app",
match: false,
},
{
input: "foo.com/foo_bar",
match: true,
subs: []string{"foo.com", "foo_bar"},
},
{
input: "____/____",
match: false,
},
{
input: "_docker/_docker",
match: false,
},
{
input: "docker_/docker_",
match: false,
},
{
input: "b.gcr.io/test.example.com/my-app",
match: true,
subs: []string{"b.gcr.io", "test.example.com/my-app"},
},
{
input: "xn--n3h.com/myimage", // ☃.com in punycode
match: true,
subs: []string{"xn--n3h.com", "myimage"},
},
{
input: "xn--7o8h.com/myimage", // 🐳.com in punycode
match: true,
subs: []string{"xn--7o8h.com", "myimage"},
},
{
input: "example.com/xn--7o8h.com/myimage", // 🐳.com in punycode
match: true,
subs: []string{"example.com", "xn--7o8h.com/myimage"},
},
{
input: "example.com/some_separator__underscore/myimage",
match: true,
subs: []string{"example.com", "some_separator__underscore/myimage"},
},
{
input: "example.com/__underscore/myimage",
match: false,
},
{
input: "example.com/..dots/myimage",
match: false,
},
{
input: "example.com/.dots/myimage",
match: false,
},
{
input: "example.com/nodouble..dots/myimage",
match: false,
},
{
input: "example.com/nodouble..dots/myimage",
match: false,
},
{
input: "docker./docker",
match: false,
},
{
input: ".docker/docker",
match: false,
},
{
input: "docker-/docker",
match: false,
},
{
input: "-docker/docker",
match: false,
},
{
input: "do..cker/docker",
match: false,
},
{
input: "do__cker:8080/docker",
match: false,
},
{
input: "do__cker/docker",
match: true,
subs: []string{"", "do__cker/docker"},
},
{
input: "b.gcr.io/test.example.com/my-app",
match: true,
subs: []string{"b.gcr.io", "test.example.com/my-app"},
},
{
input: "registry.io/foo/project--id.module--name.ver---sion--name",
match: true,
subs: []string{"registry.io", "foo/project--id.module--name.ver---sion--name"},
},
{
input: "Asdf.com/foo/bar", // uppercase character in hostname
match: true,
},
{
input: "Foo/FarB", // uppercase characters in remote name
match: false,
},
}
for i := range testcases {
checkRegexp(t, anchoredNameRegexp, testcases[i])
}
}
func TestReferenceRegexp(t *testing.T) {
if ReferenceRegexp.NumSubexp() != 3 {
t.Fatalf("anchored name regexp should have three submatches: %v, %v != 3",
ReferenceRegexp, ReferenceRegexp.NumSubexp())
}
testcases := []regexpMatch{
{
input: "registry.com:8080/myapp:tag",
match: true,
subs: []string{"registry.com:8080/myapp", "tag", ""},
},
{
input: "registry.com:8080/myapp@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
match: true,
subs: []string{"registry.com:8080/myapp", "", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
},
{
input: "registry.com:8080/myapp:tag2@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
match: true,
subs: []string{"registry.com:8080/myapp", "tag2", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
},
{
input: "registry.com:8080/myapp@sha256:badbadbadbad",
match: false,
},
{
input: "registry.com:8080/myapp:invalid~tag",
match: false,
},
{
input: "bad_hostname.com:8080/myapp:tag",
match: false,
},
{
input:// localhost treated as name, missing tag with 8080 as tag
"localhost:8080@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
match: true,
subs: []string{"localhost", "8080", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
},
{
input: "localhost:8080/name@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
match: true,
subs: []string{"localhost:8080/name", "", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
},
{
input: "localhost:http/name@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
match: false,
},
{
// localhost will be treated as an image name without a host
input: "localhost@sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912",
match: true,
subs: []string{"localhost", "", "sha256:be178c0543eb17f5f3043021c9e5fcf30285e557a4fc309cce97ff9ca6182912"},
},
{
input: "registry.com:8080/myapp@bad",
match: false,
},
{
input: "registry.com:8080/myapp@2bad",
match: false, // TODO(dmcgowan): Support this as valid
},
}
for i := range testcases {
checkRegexp(t, ReferenceRegexp, testcases[i])
}
}
func TestIdentifierRegexp(t *testing.T) {
fullCases := []regexpMatch{
{
input: "da304e823d8ca2b9d863a3c897baeb852ba21ea9a9f1414736394ae7fcaf9821",
match: true,
},
{
input: "7EC43B381E5AEFE6E04EFB0B3F0693FF2A4A50652D64AEC573905F2DB5889A1C",
match: false,
},
{
input: "da304e823d8ca2b9d863a3c897baeb852ba21ea9a9f1414736394ae7fcaf",
match: false,
},
{
input: "sha256:da304e823d8ca2b9d863a3c897baeb852ba21ea9a9f1414736394ae7fcaf9821",
match: false,
},
{
input: "da304e823d8ca2b9d863a3c897baeb852ba21ea9a9f1414736394ae7fcaf98218482",
match: false,
},
}
for i := range fullCases {
checkRegexp(t, anchoredIdentifierRegexp, fullCases[i])
}
}