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path: root/swarm/network/simulation/kademlia_test.go
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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 simulation

import (
    "context"
    "sync"
    "testing"
    "time"

    "github.com/ethereum/go-ethereum/node"
    "github.com/ethereum/go-ethereum/p2p/simulations/adapters"
    "github.com/ethereum/go-ethereum/swarm/network"
)

func TestWaitTillHealthy(t *testing.T) {
    t.Skip("WaitTillHealthy depends on discovery, which relies on a reliable SuggestPeer, which is not reliable")

    sim := New(map[string]ServiceFunc{
        "bzz": func(ctx *adapters.ServiceContext, b *sync.Map) (node.Service, func(), error) {
            addr := network.NewAddr(ctx.Config.Node())
            hp := network.NewHiveParams()
            config := &network.BzzConfig{
                OverlayAddr:  addr.Over(),
                UnderlayAddr: addr.Under(),
                HiveParams:   hp,
            }
            kad := network.NewKademlia(addr.Over(), network.NewKadParams())
            // store kademlia in node's bucket under BucketKeyKademlia
            // so that it can be found by WaitTillHealthy method.
            b.Store(BucketKeyKademlia, kad)
            return network.NewBzz(config, kad, nil, nil, nil), nil, nil
        },
    })
    defer sim.Close()

    _, err := sim.AddNodesAndConnectRing(10)
    if err != nil {
        t.Fatal(err)
    }

    ctx, cancel := context.WithTimeout(context.Background(), 120*time.Second)
    defer cancel()
    ill, err := sim.WaitTillHealthy(ctx)
    if err != nil {
        for id, kad := range ill {
            t.Log("Node", id)
            t.Log(kad.String())
        }
        if err != nil {
            t.Fatal(err)
        }
    }
}