p2p/simulation: move connection methods from swarm/network/simulation (#18323)

1 files changed, 0 insertions, 306 deletions

diff --git a/swarm/network/simulation/connect_test.go b/swarm/network/simulation/connect_test.go
deleted file mode 100644
index 6c94b3a01..000000000
--- a/swarm/network/simulation/connect_test.go
+++ /dev/null
@@ -1,306 +0,0 @@
-// 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 (
-	"testing"
-
-	"github.com/ethereum/go-ethereum/p2p/enode"
-)
-
-func TestConnectToPivotNode(t *testing.T) {
-	sim := New(noopServiceFuncMap)
-	defer sim.Close()
-
-	pid, err := sim.AddNode()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	sim.SetPivotNode(pid)
-
-	id, err := sim.AddNode()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(sim.Net.Conns) > 0 {
-		t.Fatal("no connections should exist after just adding nodes")
-	}
-
-	err = sim.ConnectToPivotNode(id)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if sim.Net.GetConn(id, pid) == nil {
-		t.Error("node did not connect to pivot node")
-	}
-}
-
-func TestConnectToLastNode(t *testing.T) {
-	sim := New(noopServiceFuncMap)
-	defer sim.Close()
-
-	n := 10
-
-	ids, err := sim.AddNodes(n)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	id, err := sim.AddNode()
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(sim.Net.Conns) > 0 {
-		t.Fatal("no connections should exist after just adding nodes")
-	}
-
-	err = sim.ConnectToLastNode(id)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	for _, i := range ids[:n-2] {
-		if sim.Net.GetConn(id, i) != nil {
-			t.Error("node connected to the node that is not the last")
-		}
-	}
-
-	if sim.Net.GetConn(id, ids[n-1]) == nil {
-		t.Error("node did not connect to the last node")
-	}
-}
-
-func TestConnectToRandomNode(t *testing.T) {
-	sim := New(noopServiceFuncMap)
-	defer sim.Close()
-
-	n := 10
-
-	ids, err := sim.AddNodes(n)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(sim.Net.Conns) > 0 {
-		t.Fatal("no connections should exist after just adding nodes")
-	}
-
-	err = sim.ConnectToRandomNode(ids[0])
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	var cc int
-	for i := 0; i < n; i++ {
-		for j := i + 1; j < n; j++ {
-			if sim.Net.GetConn(ids[i], ids[j]) != nil {
-				cc++
-			}
-		}
-	}
-
-	if cc != 1 {
-		t.Errorf("expected one connection, got %v", cc)
-	}
-}
-
-func TestConnectNodesFull(t *testing.T) {
-	sim := New(noopServiceFuncMap)
-	defer sim.Close()
-
-	ids, err := sim.AddNodes(12)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(sim.Net.Conns) > 0 {
-		t.Fatal("no connections should exist after just adding nodes")
-	}
-
-	err = sim.ConnectNodesFull(ids)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	testFull(t, sim, ids)
-}
-
-func testFull(t *testing.T, sim *Simulation, ids []enode.ID) {
-	n := len(ids)
-	var cc int
-	for i := 0; i < n; i++ {
-		for j := i + 1; j < n; j++ {
-			if sim.Net.GetConn(ids[i], ids[j]) != nil {
-				cc++
-			}
-		}
-	}
-
-	want := n * (n - 1) / 2
-
-	if cc != want {
-		t.Errorf("expected %v connection, got %v", want, cc)
-	}
-}
-
-func TestConnectNodesChain(t *testing.T) {
-	sim := New(noopServiceFuncMap)
-	defer sim.Close()
-
-	ids, err := sim.AddNodes(10)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(sim.Net.Conns) > 0 {
-		t.Fatal("no connections should exist after just adding nodes")
-	}
-
-	err = sim.ConnectNodesChain(ids)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	testChain(t, sim, ids)
-}
-
-func testChain(t *testing.T, sim *Simulation, ids []enode.ID) {
-	n := len(ids)
-	for i := 0; i < n; i++ {
-		for j := i + 1; j < n; j++ {
-			c := sim.Net.GetConn(ids[i], ids[j])
-			if i == j-1 {
-				if c == nil {
-					t.Errorf("nodes %v and %v are not connected, but they should be", i, j)
-				}
-			} else {
-				if c != nil {
-					t.Errorf("nodes %v and %v are connected, but they should not be", i, j)
-				}
-			}
-		}
-	}
-}
-
-func TestConnectNodesRing(t *testing.T) {
-	sim := New(noopServiceFuncMap)
-	defer sim.Close()
-
-	ids, err := sim.AddNodes(10)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(sim.Net.Conns) > 0 {
-		t.Fatal("no connections should exist after just adding nodes")
-	}
-
-	err = sim.ConnectNodesRing(ids)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	testRing(t, sim, ids)
-}
-
-func testRing(t *testing.T, sim *Simulation, ids []enode.ID) {
-	n := len(ids)
-	for i := 0; i < n; i++ {
-		for j := i + 1; j < n; j++ {
-			c := sim.Net.GetConn(ids[i], ids[j])
-			if i == j-1 || (i == 0 && j == n-1) {
-				if c == nil {
-					t.Errorf("nodes %v and %v are not connected, but they should be", i, j)
-				}
-			} else {
-				if c != nil {
-					t.Errorf("nodes %v and %v are connected, but they should not be", i, j)
-				}
-			}
-		}
-	}
-}
-
-func TestConnectToNodesStar(t *testing.T) {
-	sim := New(noopServiceFuncMap)
-	defer sim.Close()
-
-	ids, err := sim.AddNodes(10)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(sim.Net.Conns) > 0 {
-		t.Fatal("no connections should exist after just adding nodes")
-	}
-
-	centerIndex := 2
-
-	err = sim.ConnectNodesStar(ids[centerIndex], ids)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	testStar(t, sim, ids, centerIndex)
-}
-
-func testStar(t *testing.T, sim *Simulation, ids []enode.ID, centerIndex int) {
-	n := len(ids)
-	for i := 0; i < n; i++ {
-		for j := i + 1; j < n; j++ {
-			c := sim.Net.GetConn(ids[i], ids[j])
-			if i == centerIndex || j == centerIndex {
-				if c == nil {
-					t.Errorf("nodes %v and %v are not connected, but they should be", i, j)
-				}
-			} else {
-				if c != nil {
-					t.Errorf("nodes %v and %v are connected, but they should not be", i, j)
-				}
-			}
-		}
-	}
-}
-
-func TestConnectToNodesStarPivot(t *testing.T) {
-	sim := New(noopServiceFuncMap)
-	defer sim.Close()
-
-	ids, err := sim.AddNodes(10)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	if len(sim.Net.Conns) > 0 {
-		t.Fatal("no connections should exist after just adding nodes")
-	}
-
-	pivotIndex := 4
-
-	sim.SetPivotNode(ids[pivotIndex])
-
-	err = sim.ConnectNodesStarPivot(ids)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	testStar(t, sim, ids, pivotIndex)
-}