// Copyright 2012 The Go Authors. All rights reserved. // Use of this source code is governed by a BSD-style // license that can be found in the LICENSE file. package net import ( "fmt" "os/exec" "testing" ) func (ti *testInterface) setBroadcast(suffix int) error { ti.name = fmt.Sprintf("gotest%d", suffix) xname, err := exec.LookPath("ip") if err != nil { return err } ti.setupCmds = append(ti.setupCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "link", "add", ti.name, "type", "dummy"}, }) ti.setupCmds = append(ti.setupCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "address", "add", ti.local, "peer", ti.remote, "dev", ti.name}, }) ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "address", "del", ti.local, "peer", ti.remote, "dev", ti.name}, }) ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "link", "delete", ti.name, "type", "dummy"}, }) return nil } func (ti *testInterface) setLinkLocal(suffix int) error { ti.name = fmt.Sprintf("gotest%d", suffix) xname, err := exec.LookPath("ip") if err != nil { return err } ti.setupCmds = append(ti.setupCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "link", "add", ti.name, "type", "dummy"}, }) ti.setupCmds = append(ti.setupCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "address", "add", ti.local, "dev", ti.name}, }) ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "address", "del", ti.local, "dev", ti.name}, }) ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "link", "delete", ti.name, "type", "dummy"}, }) return nil } func (ti *testInterface) setPointToPoint(suffix int) error { ti.name = fmt.Sprintf("gotest%d", suffix) xname, err := exec.LookPath("ip") if err != nil { return err } ti.setupCmds = append(ti.setupCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "tunnel", "add", ti.name, "mode", "gre", "local", ti.local, "remote", ti.remote}, }) ti.setupCmds = append(ti.setupCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "address", "add", ti.local, "peer", ti.remote, "dev", ti.name}, }) ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "address", "del", ti.local, "peer", ti.remote, "dev", ti.name}, }) ti.teardownCmds = append(ti.teardownCmds, &exec.Cmd{ Path: xname, Args: []string{"ip", "tunnel", "del", ti.name, "mode", "gre", "local", ti.local, "remote", ti.remote}, }) return nil } const ( numOfTestIPv4MCAddrs = 14 numOfTestIPv6MCAddrs = 18 ) var ( igmpInterfaceTable = []Interface{ {Name: "lo"}, {Name: "eth0"}, {Name: "eth1"}, {Name: "eth2"}, {Name: "eth0.100"}, {Name: "eth0.101"}, {Name: "eth0.102"}, {Name: "eth0.103"}, {Name: "device1tap2"}, } igmp6InterfaceTable = []Interface{ {Name: "lo"}, {Name: "eth0"}, {Name: "eth1"}, {Name: "eth2"}, {Name: "eth0.100"}, {Name: "eth0.101"}, {Name: "eth0.102"}, {Name: "eth0.103"}, {Name: "device1tap2"}, {Name: "pan0"}, } ) func TestParseProcNet(t *testing.T) { defer func() { if p := recover(); p != nil { t.Fatalf("panicked: %v", p) } }() var ifmat4 []Addr for _, ifi := range igmpInterfaceTable { ifmat := parseProcNetIGMP("testdata/igmp", &ifi) ifmat4 = append(ifmat4, ifmat...) } if len(ifmat4) != numOfTestIPv4MCAddrs { t.Fatalf("got %d; want %d", len(ifmat4), numOfTestIPv4MCAddrs) } var ifmat6 []Addr for _, ifi := range igmp6InterfaceTable { ifmat := parseProcNetIGMP6("testdata/igmp6", &ifi) ifmat6 = append(ifmat6, ifmat...) } if len(ifmat6) != numOfTestIPv6MCAddrs { t.Fatalf("got %d; want %d", len(ifmat6), numOfTestIPv6MCAddrs) } }