145 lines
4.2 KiB
Go
145 lines
4.2 KiB
Go
/*
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Copyright 2017 The Kubernetes 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 image
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import (
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"strings"
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"testing"
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imagespec "github.com/opencontainers/image-spec/specs-go/v1"
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assertlib "github.com/stretchr/testify/assert"
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"github.com/containerd/cri/pkg/store"
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)
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func TestImageStore(t *testing.T) {
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images := []Image{
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{
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ID: "sha256:1123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
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ChainID: "test-chain-id-1",
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RepoTags: []string{"tag-1"},
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RepoDigests: []string{"digest-1"},
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Size: 10,
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ImageSpec: imagespec.Image{},
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},
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{
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ID: "sha256:2123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
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ChainID: "test-chain-id-2abcd",
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RepoTags: []string{"tag-2abcd"},
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RepoDigests: []string{"digest-2abcd"},
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Size: 20,
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ImageSpec: imagespec.Image{},
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},
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{
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ID: "sha256:3123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
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RepoTags: []string{"tag-4a333"},
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RepoDigests: []string{"digest-4a333"},
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ChainID: "test-chain-id-4a333",
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Size: 30,
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ImageSpec: imagespec.Image{},
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},
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{
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ID: "sha256:4123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef",
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RepoTags: []string{"tag-4abcd"},
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RepoDigests: []string{"digest-4abcd"},
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ChainID: "test-chain-id-4abcd",
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Size: 40,
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ImageSpec: imagespec.Image{},
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},
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}
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assert := assertlib.New(t)
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genTruncIndex := func(normalName string) string { return normalName[:(len(normalName)+1)/2] }
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s := NewStore()
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t.Logf("should be able to add image")
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for _, img := range images {
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err := s.Add(img)
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assert.NoError(err)
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}
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t.Logf("should be able to get image")
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for _, v := range images {
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truncID := genTruncIndex(v.ID)
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got, err := s.Get(truncID)
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assert.NoError(err, "truncID:%s, fullID:%s", truncID, v.ID)
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assert.Equal(v, got)
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}
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t.Logf("should be able to get image by truncated imageId without algorithm")
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for _, v := range images {
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truncID := genTruncIndex(v.ID[strings.Index(v.ID, ":")+1:])
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got, err := s.Get(truncID)
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assert.NoError(err, "truncID:%s, fullID:%s", truncID, v.ID)
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assert.Equal(v, got)
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}
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t.Logf("should not be able to get image by ambiguous prefix")
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ambiguousPrefixs := []string{"sha256", "sha256:"}
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for _, v := range ambiguousPrefixs {
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_, err := s.Get(v)
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assert.NotEqual(nil, err)
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}
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t.Logf("should be able to list images")
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imgs := s.List()
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assert.Len(imgs, len(images))
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imageNum := len(images)
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for _, v := range images {
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truncID := genTruncIndex(v.ID)
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oldRepoTag := v.RepoTags[0]
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oldRepoDigest := v.RepoDigests[0]
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newRepoTag := oldRepoTag + "new"
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newRepoDigest := oldRepoDigest + "new"
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t.Logf("should be able to add new repo tags/digests")
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newImg := v
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newImg.RepoTags = []string{newRepoTag}
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newImg.RepoDigests = []string{newRepoDigest}
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err := s.Add(newImg)
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assert.NoError(err)
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got, err := s.Get(truncID)
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assert.NoError(err)
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assert.Len(got.RepoTags, 2)
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assert.Contains(got.RepoTags, oldRepoTag, newRepoTag)
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assert.Len(got.RepoDigests, 2)
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assert.Contains(got.RepoDigests, oldRepoDigest, newRepoDigest)
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t.Logf("should not be able to add duplicated repo tags/digests")
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err = s.Add(newImg)
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assert.NoError(err)
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got, err = s.Get(truncID)
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assert.NoError(err)
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assert.Len(got.RepoTags, 2)
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assert.Contains(got.RepoTags, oldRepoTag, newRepoTag)
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assert.Len(got.RepoDigests, 2)
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assert.Contains(got.RepoDigests, oldRepoDigest, newRepoDigest)
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t.Logf("should be able to delete image")
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s.Delete(truncID)
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imageNum--
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imgs = s.List()
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assert.Len(imgs, imageNum)
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t.Logf("get should return empty struct and ErrNotExist after deletion")
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img, err := s.Get(truncID)
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assert.Equal(Image{}, img)
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assert.Equal(store.ErrNotExist, err)
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}
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}
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