AdGuardHome/internal/arpdb/arpdb_linux_internal_test.go
Stanislav Chzhen 6fea7099a2 Pull request 1967: AG-24794-imp-arpdb
Squashed commit of the following:

commit 6f6f6cc5d9b9ae04e369e0b789aaab74f234e6a0
Merge: 9aa3ac58c 8fb76701f
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Thu Aug 24 13:29:47 2023 +0300

    Merge branch 'master' into AG-24794-imp-arpdb

commit 9aa3ac58c76fc4b2f950a988d63dfebd0652e507
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Aug 23 16:14:02 2023 +0300

    scripts: gocognit: add arpdb

commit e99b0534be1891de1c13f4010beeedb4459ccd7c
Merge: 84893bc2d 3722c2846
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Aug 23 16:08:25 2023 +0300

    Merge branch 'master' into AG-24794-imp-arpdb

commit 84893bc2d3018c9ee1e411578b33cdb6ba6d3d81
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Aug 23 16:07:43 2023 +0300

    arpdb: add todo

commit ad4b3689b51324521bf47c478c61b6008332b4f5
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Wed Aug 23 14:02:07 2023 +0300

    arpdb: imp code

commit 9cdd17dadbb91ccc3f8e79ba7a21bc365647e089
Author: Stanislav Chzhen <s.chzhen@adguard.com>
Date:   Fri Aug 18 19:05:10 2023 +0300

    all: imp arpdb
2023-08-24 13:42:17 +03:00

102 lines
2.5 KiB
Go

//go:build linux
package arpdb
import (
"net"
"net/netip"
"sync"
"testing"
"testing/fstest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
const arpAOutputWrt = `
IP address HW type Flags HW address Mask Device
1.2.3.4.5 0x1 0x2 aa:bb:cc:dd:ee:ff * wan
1.2.3.4 0x1 0x2 12:34:56:78:910 * wan
192.168.1.2 0x1 0x2 ab:cd:ef:ab:cd:ef * wan
::ffff:ffff 0x1 0x2 ef:cd:ab:ef:cd:ab * wan`
const arpAOutput = `
invalid.mac (1.2.3.4) at 12:34:56:78:910 on el0 ifscope [ethernet]
invalid.ip (1.2.3.4.5) at ab:cd:ef:ab:cd:12 on ek0 ifscope [ethernet]
invalid.fmt 1 at 12:cd:ef:ab:cd:ef on er0 ifscope [ethernet]
? (192.168.1.2) at ab:cd:ef:ab:cd:ef on en0 ifscope [ethernet]
? (::ffff:ffff) at ef:cd:ab:ef:cd:ab on em0 expires in 100 seconds [ethernet]`
const ipNeighOutput = `
1.2.3.4.5 dev enp0s3 lladdr aa:bb:cc:dd:ee:ff DELAY
1.2.3.4 dev enp0s3 lladdr 12:34:56:78:910 DELAY
192.168.1.2 dev enp0s3 lladdr ab:cd:ef:ab:cd:ef DELAY
::ffff:ffff dev enp0s3 lladdr ef:cd:ab:ef:cd:ab router STALE`
var wantNeighs = []Neighbor{{
IP: netip.MustParseAddr("192.168.1.2"),
MAC: net.HardwareAddr{0xAB, 0xCD, 0xEF, 0xAB, 0xCD, 0xEF},
}, {
IP: netip.MustParseAddr("::ffff:ffff"),
MAC: net.HardwareAddr{0xEF, 0xCD, 0xAB, 0xEF, 0xCD, 0xAB},
}}
func TestFSysARPDB(t *testing.T) {
require.NoError(t, fstest.TestFS(testdata, "proc_net_arp"))
a := &fsysARPDB{
ns: &neighs{
mu: &sync.RWMutex{},
ns: make([]Neighbor, 0),
},
fsys: testdata,
filename: "proc_net_arp",
}
err := a.Refresh()
require.NoError(t, err)
ns := a.Neighbors()
assert.Equal(t, wantNeighs, ns)
}
func TestCmdARPDB_linux(t *testing.T) {
sh := mapShell{
"arp -a": {err: nil, out: arpAOutputWrt, code: 0},
"ip neigh": {err: nil, out: ipNeighOutput, code: 0},
}
substShell(t, sh.RunCmd)
t.Run("wrt", func(t *testing.T) {
a := &cmdARPDB{
parse: parseArpAWrt,
cmd: "arp",
args: []string{"-a"},
ns: &neighs{
mu: &sync.RWMutex{},
ns: make([]Neighbor, 0),
},
}
err := a.Refresh()
require.NoError(t, err)
assert.Equal(t, wantNeighs, a.Neighbors())
})
t.Run("ip_neigh", func(t *testing.T) {
a := &cmdARPDB{
parse: parseIPNeigh,
cmd: "ip",
args: []string{"neigh"},
ns: &neighs{
mu: &sync.RWMutex{},
ns: make([]Neighbor, 0),
},
}
err := a.Refresh()
require.NoError(t, err)
assert.Equal(t, wantNeighs, a.Neighbors())
})
}