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package impl
import (
"testing"
"github.com/containers/image/v5/internal/private"
"github.com/containers/image/v5/pkg/compression"
compressionTypes "github.com/containers/image/v5/pkg/compression/types"
"github.com/stretchr/testify/assert"
)
func TestBlobMatchesRequiredCompression(t *testing.T) {
var opts private.TryReusingBlobOptions
cases := []struct {
requiredCompression *compressionTypes.Algorithm
candidateCompression *compressionTypes.Algorithm
result bool
}{
{&compression.Zstd, &compression.Zstd, true},
{&compression.Gzip, &compression.Zstd, false},
{&compression.Zstd, nil, false},
{nil, &compression.Zstd, true},
}
for _, c := range cases {
opts = private.TryReusingBlobOptions{RequiredCompression: c.requiredCompression}
assert.Equal(t, c.result, BlobMatchesRequiredCompression(opts, c.candidateCompression))
}
}
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