swarm: network rewrite merge

swarm/network/hive_test.go

@@ -0,0 +1,108 @@
+// Copyright 2016 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 network
+
+import (
+	"io/ioutil"
+	"log"
+	"os"
+	"testing"
+
+	p2ptest "github.com/ethereum/go-ethereum/p2p/testing"
+	"github.com/ethereum/go-ethereum/swarm/state"
+)
+
+func newHiveTester(t *testing.T, params *HiveParams, n int, store state.Store) (*bzzTester, *Hive) {
+	// setup
+	addr := RandomAddr() // tested peers peer address
+	to := NewKademlia(addr.OAddr, NewKadParams())
+	pp := NewHive(params, to, store) // hive
+
+	return newBzzBaseTester(t, n, addr, DiscoverySpec, pp.Run), pp
+}
+
+func TestRegisterAndConnect(t *testing.T) {
+	params := NewHiveParams()
+	s, pp := newHiveTester(t, params, 1, nil)
+
+	id := s.IDs[0]
+	raddr := NewAddrFromNodeID(id)
+	pp.Register([]OverlayAddr{OverlayAddr(raddr)})
+
+	// start the hive and wait for the connection
+	err := pp.Start(s.Server)
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer pp.Stop()
+	// retrieve and broadcast
+	err = s.TestDisconnected(&p2ptest.Disconnect{
+		Peer:  s.IDs[0],
+		Error: nil,
+	})
+
+	if err == nil || err.Error() != "timed out waiting for peers to disconnect" {
+		t.Fatalf("expected peer to connect")
+	}
+}
+
+func TestHiveStatePersistance(t *testing.T) {
+	log.SetOutput(os.Stdout)
+
+	dir, err := ioutil.TempDir("", "hive_test_store")
+	if err != nil {
+		panic(err)
+	}
+	defer os.RemoveAll(dir)
+
+	store, err := state.NewDBStore(dir) //start the hive with an empty dbstore
+
+	params := NewHiveParams()
+	s, pp := newHiveTester(t, params, 5, store)
+
+	peers := make(map[string]bool)
+	for _, id := range s.IDs {
+		raddr := NewAddrFromNodeID(id)
+		pp.Register([]OverlayAddr{OverlayAddr(raddr)})
+		peers[raddr.String()] = true
+	}
+
+	// start the hive and wait for the connection
+	err = pp.Start(s.Server)
+	if err != nil {
+		t.Fatal(err)
+	}
+	pp.Stop()
+	store.Close()
+
+	persistedStore, err := state.NewDBStore(dir) //start the hive with an empty dbstore
+
+	s1, pp := newHiveTester(t, params, 1, persistedStore)
+
+	//start the hive and wait for the connection
+
+	pp.Start(s1.Server)
+	i := 0
+	pp.Overlay.EachAddr(nil, 256, func(addr OverlayAddr, po int, nn bool) bool {
+		delete(peers, addr.(*BzzAddr).String())
+		i++
+		return true
+	})
+	if len(peers) != 0 || i != 5 {
+		t.Fatalf("invalid peers loaded")
+	}
+}