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p2p/simulation: move connection methods from swarm/network/simulation…
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,190 @@ | ||
| // 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 simulations | ||
|
|
||
| import ( | ||
| "testing" | ||
|
|
||
| "github.com/ethereum/go-ethereum/node" | ||
| "github.com/ethereum/go-ethereum/p2p/enode" | ||
| "github.com/ethereum/go-ethereum/p2p/simulations/adapters" | ||
| ) | ||
|
|
||
| func newTestNetwork(t *testing.T, nodeCount int) (*Network, []enode.ID) { | ||
| adapter := adapters.NewSimAdapter(adapters.Services{ | ||
| "noopwoop": func(ctx *adapters.ServiceContext) (node.Service, error) { | ||
| return NewNoopService(nil), nil | ||
| }, | ||
| }) | ||
|
|
||
| // create network | ||
| network := NewNetwork(adapter, &NetworkConfig{ | ||
| DefaultService: "noopwoop", | ||
| }) | ||
|
|
||
| // create and start nodes | ||
| ids := make([]enode.ID, nodeCount) | ||
| for i := range ids { | ||
| conf := adapters.RandomNodeConfig() | ||
| node, err := network.NewNodeWithConfig(conf) | ||
| if err != nil { | ||
| t.Fatalf("error creating node: %s", err) | ||
| } | ||
| if err := network.Start(node.ID()); err != nil { | ||
| t.Fatalf("error starting node: %s", err) | ||
| } | ||
| ids[i] = node.ID() | ||
| } | ||
|
|
||
| if len(network.Conns) > 0 { | ||
| t.Fatal("no connections should exist after just adding nodes") | ||
| } | ||
|
|
||
| return network, ids | ||
| } | ||
|
|
||
| func TestConnectToPivotNode(t *testing.T) { | ||
| net, ids := newTestNetwork(t, 2) | ||
| defer net.Shutdown() | ||
|
|
||
| pivot := ids[0] | ||
| net.SetPivotNode(pivot) | ||
|
|
||
| other := ids[1] | ||
| err := net.ConnectToPivotNode(other) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| if net.GetConn(pivot, other) == nil { | ||
| t.Error("pivot and the other node are not connected") | ||
| } | ||
| } | ||
|
|
||
| func TestConnectToLastNode(t *testing.T) { | ||
| net, ids := newTestNetwork(t, 10) | ||
| defer net.Shutdown() | ||
|
|
||
| first := ids[0] | ||
| if err := net.ConnectToLastNode(first); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| last := ids[len(ids)-1] | ||
| for i, id := range ids { | ||
| if id == first || id == last { | ||
| continue | ||
| } | ||
|
|
||
| if net.GetConn(first, id) != nil { | ||
| t.Errorf("connection must not exist with node(ind: %v, id: %v)", i, id) | ||
| } | ||
| } | ||
|
|
||
| if net.GetConn(first, last) == nil { | ||
| t.Error("first and last node must be connected") | ||
| } | ||
| } | ||
|
|
||
| func TestConnectToRandomNode(t *testing.T) { | ||
| net, ids := newTestNetwork(t, 10) | ||
| defer net.Shutdown() | ||
|
|
||
| err := net.ConnectToRandomNode(ids[0]) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| var cc int | ||
| for i, a := range ids { | ||
| for _, b := range ids[i:] { | ||
| if net.GetConn(a, b) != nil { | ||
| cc++ | ||
| } | ||
| } | ||
| } | ||
|
|
||
| if cc != 1 { | ||
| t.Errorf("expected one connection, got %v", cc) | ||
| } | ||
| } | ||
|
|
||
| func TestConnectNodesFull(t *testing.T) { | ||
| net, ids := newTestNetwork(t, 12) | ||
| defer net.Shutdown() | ||
|
|
||
| err := net.ConnectNodesFull(ids) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| VerifyFull(t, net, ids) | ||
| } | ||
|
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||
| func TestConnectNodesChain(t *testing.T) { | ||
| net, ids := newTestNetwork(t, 10) | ||
| defer net.Shutdown() | ||
|
|
||
| err := net.ConnectNodesChain(ids) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
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| VerifyChain(t, net, ids) | ||
| } | ||
|
|
||
| func TestConnectNodesRing(t *testing.T) { | ||
| net, ids := newTestNetwork(t, 10) | ||
| defer net.Shutdown() | ||
|
|
||
| err := net.ConnectNodesRing(ids) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
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| VerifyRing(t, net, ids) | ||
| } | ||
|
|
||
| func TestConnectNodesStar(t *testing.T) { | ||
| net, ids := newTestNetwork(t, 10) | ||
| defer net.Shutdown() | ||
|
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| pivotIndex := 2 | ||
|
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| err := net.ConnectNodesStar(ids[pivotIndex], ids) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| VerifyStar(t, net, ids, pivotIndex) | ||
| } | ||
|
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| func TestConnectNodesStarPivot(t *testing.T) { | ||
| net, ids := newTestNetwork(t, 10) | ||
| defer net.Shutdown() | ||
|
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| pivotIndex := 4 | ||
|
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| net.SetPivotNode(ids[pivotIndex]) | ||
|
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| err := net.ConnectNodesStarPivot(ids) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
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| VerifyStar(t, net, ids, pivotIndex) | ||
| } |
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