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// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package dnsdisc
import (
"reflect"
"testing"
"github.com/davecgh/go-spew/spew"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/p2p/enode"
)
func TestParseRoot(t *testing.T) {
tests := []struct {
input string
e rootEntry
err error
}{
{
input: "enrtree-root:v1 e=TO4Q75OQ2N7DX4EOOR7X66A6OM seq=3 sig=N-YY6UB9xD0hFx1Gmnt7v0RfSxch5tKyry2SRDoLx7B4GfPXagwLxQqyf7gAMvApFn_ORwZQekMWa_pXrcGCtw",
err: entryError{"root", errSyntax},
},
{
input: "enrtree-root:v1 e=TO4Q75OQ2N7DX4EOOR7X66A6OM l=TO4Q75OQ2N7DX4EOOR7X66A6OM seq=3 sig=N-YY6UB9xD0hFx1Gmnt7v0RfSxch5tKyry2SRDoLx7B4GfPXagwLxQqyf7gAMvApFn_ORwZQekMWa_pXrcGCtw",
err: entryError{"root", errInvalidSig},
},
{
input: "enrtree-root:v1 e=QFT4PBCRX4XQCV3VUYJ6BTCEPU l=JGUFMSAGI7KZYB3P7IZW4S5Y3A seq=3 sig=3FmXuVwpa8Y7OstZTx9PIb1mt8FrW7VpDOFv4AaGCsZ2EIHmhraWhe4NxYhQDlw5MjeFXYMbJjsPeKlHzmJREQE",
e: rootEntry{
eroot: "QFT4PBCRX4XQCV3VUYJ6BTCEPU",
lroot: "JGUFMSAGI7KZYB3P7IZW4S5Y3A",
seq: 3,
sig: hexutil.MustDecode("0xdc5997b95c296bc63b3acb594f1f4f21bd66b7c16b5bb5690ce16fe006860ac6761081e686b69685ee0dc588500e5c393237855d831b263b0f78a947ce62511101"),
},
},
}
for i, test := range tests {
e, err := parseRoot(test.input)
if !reflect.DeepEqual(e, test.e) {
t.Errorf("test %d: wrong entry %s, want %s", i, spew.Sdump(e), spew.Sdump(test.e))
}
if err != test.err {
t.Errorf("test %d: wrong error %q, want %q", i, err, test.err)
}
}
}
func TestParseEntry(t *testing.T) {
testkey := testKey(signingKeySeed)
tests := []struct {
input string
e entry
err error
}{
// Subtrees:
{
input: "enrtree-branch:1,2",
err: entryError{"branch", errInvalidChild},
},
{
input: "enrtree-branch:AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA",
err: entryError{"branch", errInvalidChild},
},
{
input: "enrtree-branch:",
e: &branchEntry{},
},
{
input: "enrtree-branch:AAAAAAAAAAAAAAAAAAAA",
e: &branchEntry{[]string{"AAAAAAAAAAAAAAAAAAAA"}},
},
{
input: "enrtree-branch:AAAAAAAAAAAAAAAAAAAA,BBBBBBBBBBBBBBBBBBBB",
e: &branchEntry{[]string{"AAAAAAAAAAAAAAAAAAAA", "BBBBBBBBBBBBBBBBBBBB"}},
},
// Links
{
input: "enrtree://AKPYQIUQIL7PSIACI32J7FGZW56E5FKHEFCCOFHILBIMW3M6LWXS2@nodes.example.org",
e: &linkEntry{"AKPYQIUQIL7PSIACI32J7FGZW56E5FKHEFCCOFHILBIMW3M6LWXS2@nodes.example.org", "nodes.example.org", &testkey.PublicKey},
},
{
input: "enrtree://nodes.example.org",
err: entryError{"link", errNoPubkey},
},
{
input: "enrtree://AP62DT7WOTEQZGQZOU474PP3KMEGVTTE7A7NPRXKX3DUD57@nodes.example.org",
err: entryError{"link", errBadPubkey},
},
{
input: "enrtree://AP62DT7WONEQZGQZOU474PP3KMEGVTTE7A7NPRXKX3DUD57TQHGIA@nodes.example.org",
err: entryError{"link", errBadPubkey},
},
// ENRs
{
input: "enr:-HW4QES8QIeXTYlDzbfr1WEzE-XKY4f8gJFJzjJL-9D7TC9lJb4Z3JPRRz1lP4pL_N_QpT6rGQjAU9Apnc-C1iMP36OAgmlkgnY0iXNlY3AyNTZrMaED5IdwfMxdmR8W37HqSFdQLjDkIwBd4Q_MjxgZifgKSdM",
e: &enrEntry{node: testNode(nodesSeed1)},
},
{
input: "enr:-HW4QLZHjM4vZXkbp-5xJoHsKSbE7W39FPC8283X-y8oHcHPTnDDlIlzL5ArvDUlHZVDPgmFASrh7cWgLOLxj4wprRkHgmlkgnY0iXNlY3AyNTZrMaEC3t2jLMhDpCDX5mbSEwDn4L3iUfyXzoO8G28XvjGRkrAg=",
err: entryError{"enr", errInvalidENR},
},
// Invalid:
{input: "", err: errUnknownEntry},
{input: "foo", err: errUnknownEntry},
{input: "enrtree", err: errUnknownEntry},
{input: "enrtree-x=", err: errUnknownEntry},
}
for i, test := range tests {
e, err := parseEntry(test.input, enode.ValidSchemes)
if !reflect.DeepEqual(e, test.e) {
t.Errorf("test %d: wrong entry %s, want %s", i, spew.Sdump(e), spew.Sdump(test.e))
}
if err != test.err {
t.Errorf("test %d: wrong error %q, want %q", i, err, test.err)
}
}
}
func TestMakeTree(t *testing.T) {
nodes := testNodes(nodesSeed2, 50)
tree, err := MakeTree(2, nodes, nil)
if err != nil {
t.Fatal(err)
}
txt := tree.ToTXT("")
if len(txt) < len(nodes)+1 {
t.Fatal("too few TXT records in output")
}
}