89 lines
3.1 KiB
Go
89 lines
3.1 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/distribution/reference"
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"github.com/opencontainers/go-digest"
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)
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func TestParseImageReferences(t *testing.T) {
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refs := []string{
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"gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
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"gcr.io/library/busybox:1.2",
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"sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582",
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"arbitrary-ref",
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}
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expectedTags := []string{
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"gcr.io/library/busybox:1.2",
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}
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expectedDigests := []string{"gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582"}
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tags, digests := ParseImageReferences(refs)
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assert.Equal(t, expectedTags, tags)
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assert.Equal(t, expectedDigests, digests)
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}
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func TestGetRepoDigestAndTag(t *testing.T) {
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digest := digest.Digest("sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59582")
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for _, test := range []struct {
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desc string
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ref string
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schema1 bool
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expectedRepoDigest string
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expectedRepoTag string
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}{
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{
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desc: "repo tag should be empty if original ref has no tag",
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ref: "gcr.io/library/busybox@" + digest.String(),
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expectedRepoDigest: "gcr.io/library/busybox@" + digest.String(),
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},
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{
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desc: "repo tag should not be empty if original ref has tag",
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ref: "gcr.io/library/busybox:latest",
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expectedRepoDigest: "gcr.io/library/busybox@" + digest.String(),
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expectedRepoTag: "gcr.io/library/busybox:latest",
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},
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{
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desc: "repo digest should be empty if original ref is schema1 and has no digest",
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ref: "gcr.io/library/busybox:latest",
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schema1: true,
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expectedRepoDigest: "",
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expectedRepoTag: "gcr.io/library/busybox:latest",
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},
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{
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desc: "repo digest should not be empty if original ref is schema1 but has digest",
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ref: "gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59594",
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schema1: true,
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expectedRepoDigest: "gcr.io/library/busybox@sha256:e6693c20186f837fc393390135d8a598a96a833917917789d63766cab6c59594",
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expectedRepoTag: "",
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},
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} {
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test := test
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t.Run(test.desc, func(t *testing.T) {
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named, err := reference.ParseDockerRef(test.ref)
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assert.NoError(t, err)
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repoDigest, repoTag := GetRepoDigestAndTag(named, digest, test.schema1)
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assert.Equal(t, test.expectedRepoDigest, repoDigest)
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assert.Equal(t, test.expectedRepoTag, repoTag)
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})
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}
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}
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