github.com/annchain/OG@v0.0.9/p2p/onode/localnode_test.go (about)

     1  // Copyright 2018 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package onode
    18  
    19  import (
    20  	ogcrypto2 "github.com/annchain/OG/deprecated/ogcrypto"
    21  	"github.com/annchain/OG/types/msg"
    22  	"testing"
    23  
    24  	"github.com/annchain/OG/p2p/enr"
    25  )
    26  
    27  func newLocalNodeForTesting() (*LocalNode, *DB) {
    28  	db, _ := OpenDB("")
    29  	key, _ := ogcrypto2.GenerateKey()
    30  	return NewLocalNode(db, key), db
    31  }
    32  
    33  func TestLocalNode(t *testing.T) {
    34  	ln, db := newLocalNodeForTesting()
    35  	defer db.Close()
    36  
    37  	if ln.Node().ID() != ln.ID() {
    38  		t.Fatal("inconsistent ID")
    39  	}
    40  	val := msg.Uint(3)
    41  	ln.Set(enr.WithEntry("x", &val))
    42  	var x msg.Uint
    43  	if err := ln.Node().Load(enr.WithEntry("x", &x)); err != nil {
    44  		t.Fatal("can't load entry 'x':", err)
    45  	} else if x != 3 {
    46  		t.Fatal("wrong value for entry 'x':", x)
    47  	}
    48  }
    49  
    50  func TestLocalNodeSeqPersist(t *testing.T) {
    51  	ln, db := newLocalNodeForTesting()
    52  	defer db.Close()
    53  
    54  	if s := ln.Node().Seq(); s != 1 {
    55  		t.Fatalf("wrong initial seq %d, want 1", s)
    56  	}
    57  	val := msg.Uint(1)
    58  	ln.Set(enr.WithEntry("x", &val))
    59  	if s := ln.Node().Seq(); s != 2 {
    60  		t.Fatalf("wrong seq %d after set, want 2", s)
    61  	}
    62  
    63  	// Create a new instance, it should reload the sequence number.
    64  	// The number increases just after that because a new record is
    65  	// created without the "x" entry.
    66  	ln2 := NewLocalNode(db, ln.key)
    67  	if s := ln2.Node().Seq(); s != 3 {
    68  		t.Fatalf("wrong seq %d on new instance, want 3", s)
    69  	}
    70  
    71  	// Create a new instance with a different node key on the same database.
    72  	// This should reset the sequence number.
    73  	key, _ := ogcrypto2.GenerateKey()
    74  	ln3 := NewLocalNode(db, key)
    75  	if s := ln3.Node().Seq(); s != 1 {
    76  		t.Fatalf("wrong seq %d on instance with changed key, want 1", s)
    77  	}
    78  }