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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