containerd/internal/cri/util/references_test.go
Jin Dong 269997ac5a dedup GetRepoDigestAndTag
Signed-off-by: Jin Dong <djdongjin95@gmail.com>
2024-10-21 11:24:31 -04:00

89 lines
3.1 KiB
Go

/*
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 util
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/distribution/reference"
"github.com/opencontainers/go-digest"
)
func TestParseImageReferences(t *testing.T) {
refs := []string{
"gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
"gcr.io/library/busybox:1.2",
"sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
"arbitrary-ref",
}
expectedTags := []string{
"gcr.io/library/busybox:1.2",
}
expectedDigests := []string{"gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582"}
tags, digests := ParseImageReferences(refs)
assert.Equal(t, expectedTags, tags)
assert.Equal(t, expectedDigests, digests)
}
func TestGetRepoDigestAndTag(t *testing.T) {
digest := digest.Digest("sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582")
for _, test := range []struct {
desc string
ref string
schema1 bool
expectedRepoDigest string
expectedRepoTag string
}{
{
desc: "repo tag should be empty if original ref has no tag",
ref: "gcr.io/library/busybox@" + digest.String(),
expectedRepoDigest: "gcr.io/library/busybox@" + digest.String(),
},
{
desc: "repo tag should not be empty if original ref has tag",
ref: "gcr.io/library/busybox:latest",
expectedRepoDigest: "gcr.io/library/busybox@" + digest.String(),
expectedRepoTag: "gcr.io/library/busybox:latest",
},
{
desc: "repo digest should be empty if original ref is schema1 and has no digest",
ref: "gcr.io/library/busybox:latest",
schema1: true,
expectedRepoDigest: "",
expectedRepoTag: "gcr.io/library/busybox:latest",
},
{
desc: "repo digest should not be empty if original ref is schema1 but has digest",
ref: "gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59594",
schema1: true,
expectedRepoDigest: "gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59594",
expectedRepoTag: "",
},
} {
test := test
t.Run(test.desc, func(t *testing.T) {
named, err := reference.ParseDockerRef(test.ref)
assert.NoError(t, err)
repoDigest, repoTag := GetRepoDigestAndTag(named, digest, test.schema1)
assert.Equal(t, test.expectedRepoDigest, repoDigest)
assert.Equal(t, test.expectedRepoTag, repoTag)
})
}
}