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package lsat
import (
"bytes"
"errors"
"testing"
"github.com/lightningnetwork/lnd/lntypes"
)
var (
testPaymentHash lntypes.Hash
testTokenID [TokenIDSize]byte
)
// TestIdentifierSerialization ensures proper serialization of known identifier
// versions and failures for unknown versions.
func TestIdentifierSerialization(t *testing.T) {
t.Parallel()
tests := []struct {
name string
id Identifier
err error
}{
{
name: "valid identifier",
id: Identifier{
Version: LatestVersion,
PaymentHash: testPaymentHash,
TokenID: testTokenID,
},
err: nil,
},
{
name: "unknown version",
id: Identifier{
Version: LatestVersion + 1,
PaymentHash: testPaymentHash,
TokenID: testTokenID,
},
err: ErrUnknownVersion,
},
}
for _, test := range tests {
test := test
success := t.Run(test.name, func(t *testing.T) {
var buf bytes.Buffer
err := EncodeIdentifier(&buf, &test.id)
if !errors.Is(err, test.err) {
t.Fatalf("expected err \"%v\", got \"%v\"",
test.err, err)
}
if test.err != nil {
return
}
id, err := DecodeIdentifier(&buf)
if err != nil {
t.Fatalf("unable to decode identifier: %v", err)
}
if *id != test.id {
t.Fatalf("expected id %v, got %v", test.id, *id)
}
})
if !success {
return
}
}
}