Files
netbird/shared/management/networkmap/decode_test.go
2026-08-24 17:42:23 +02:00

62 lines
2.2 KiB
Go

package networkmap
import (
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
protobuf "google.golang.org/protobuf/proto"
"github.com/netbirdio/netbird/shared/management/networkmap/nmdata"
"github.com/netbirdio/netbird/shared/management/proto"
)
func TestDecodePolicy(t *testing.T) {
assert.Equal(t,
nmdata.Resource{Type: "peer", ID: "valid-id"},
resourceFromProto(
&proto.ResourceCompact{Type: "peer", PeerIndexSet: true, PeerIndex: uint32(1)},
[]string{"invalid-id-0", "valid-id", "invalid-id-2"}))
// check invalid peer index returns an empty resource
assert.Equal(t,
nmdata.Resource{},
resourceFromProto(
&proto.ResourceCompact{Type: "peer", PeerIndexSet: true, PeerIndex: uint32(100)},
[]string{"invalid-id-0", "valid-id", "invalid-id-2"}))
assert.Equal(t,
nmdata.Resource{Type: "domain", ID: "domain"},
resourceFromProto(
&proto.ResourceCompact{Type: "domain", Id: "domain"}, []string{}))
assert.Equal(t,
nmdata.Resource{Type: "host", ID: "host"},
resourceFromProto(
&proto.ResourceCompact{Type: "host", Id: "host"}, []string{}))
assert.Equal(t,
nmdata.Resource{Type: "subnet", ID: "subnet"},
resourceFromProto(
&proto.ResourceCompact{Type: "subnet", Id: "subnet"}, []string{}))
// an unknown resource type return an empty resource
assert.Equal(t,
nmdata.Resource{},
resourceFromProto(
&proto.ResourceCompact{Type: "boom", Id: "boom"}, []string{}))
}
// ResourceCompact fields 1-3 are the v0.77 wire contract. Retyping any of them
// makes peers on either side of the change silently drop policy resources, so
// the encoding is pinned here as raw bytes: field 1 "peer" (bytes), field 2
// true (varint), field 3 7 (varint).
func TestResourceCompactLegacyWireFormat(t *testing.T) {
legacy := []byte{0x0a, 0x04, 'p', 'e', 'e', 'r', 0x10, 0x01, 0x18, 0x07}
var decoded proto.ResourceCompact
require.NoError(t, protobuf.Unmarshal(legacy, &decoded))
assert.Equal(t, "peer", decoded.Type)
assert.True(t, decoded.PeerIndexSet)
assert.Equal(t, uint32(7), decoded.PeerIndex)
encoded, err := protobuf.Marshal(&proto.ResourceCompact{Type: "peer", PeerIndexSet: true, PeerIndex: 7})
require.NoError(t, err)
assert.Equal(t, legacy, encoded)
}