mirror of
https://github.com/edgelesssys/constellation.git
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117 lines
2.6 KiB
Go
117 lines
2.6 KiB
Go
/*
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Copyright (c) Edgeless Systems GmbH
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SPDX-License-Identifier: AGPL-3.0-only
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*/
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package extract
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import (
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"bytes"
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestDigest(t *testing.T) {
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testCases := map[string]struct {
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ociIndex string
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wantDigest string
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wantErr bool
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}{
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"valid OCI index": {
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ociIndex: validOCIIndex,
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wantDigest: "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
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wantErr: false,
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},
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"wrong version": {
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ociIndex: `{
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"schemaVersion": 1,
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"mediaType": "application/vnd.oci.image.index.v1+json",
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"manifests": [
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"digest": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
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"size": 0
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}
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]
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}`,
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wantErr: true,
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},
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"wrong media type": {
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ociIndex: `{
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"schemaVersion": 2,
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"mediaType": "application/something-else",
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"manifests": [
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"digest": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
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"size": 0
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}
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]
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}`,
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wantErr: true,
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},
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"incorrect manifest length": {
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ociIndex: `{
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"schemaVersion": 2,
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"mediaType": "application/vnd.oci.image.index.v1+json",
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"manifests": []
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}`,
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wantErr: true,
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},
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"incorrect manifest digest format": {
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ociIndex: `{
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"schemaVersion": 2,
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"mediaType": "application/vnd.oci.image.index.v1+json",
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"manifests": [
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"digest": "foo:bar",
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"size": 0
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}
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]
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}`,
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wantErr: true,
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},
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"malformed json": {
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ociIndex: `}`,
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wantErr: true,
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},
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}
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for name, tc := range testCases {
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t.Run(name, func(t *testing.T) {
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assert := assert.New(t)
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require := require.New(t)
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digest, err := Digest(bytes.NewBufferString(tc.ociIndex))
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if tc.wantErr {
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require.Error(err)
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return
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}
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require.NoError(err)
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assert.Equal(tc.wantDigest, digest)
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})
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}
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}
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const (
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// This is a valid OCI index.
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// It has a schema version of 2, a media type of
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// "application/vnd.oci.image.index.v1+json", and a single manifest.
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// The manifest has a media type of
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// "application/vnd.oci.image.manifest.v1+json", and a digest.
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// The digest is a valid SHA256 hash.
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validOCIIndex = `{
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"schemaVersion": 2,
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"mediaType": "application/vnd.oci.image.index.v1+json",
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"manifests": [
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{
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"mediaType": "application/vnd.oci.image.manifest.v1+json",
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"digest": "sha256:e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855",
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"size": 0
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}
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]
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}`
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)
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