badguardhome/internal/aghnet/net_linux_test.go

156 lines
3.7 KiB
Go

//go:build linux
// +build linux
package aghnet
import (
"bytes"
"net"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestDHCPCDStaticConfig(t *testing.T) {
const iface interfaceName = `wlan0`
testCases := []struct {
name string
data []byte
wantCont bool
}{{
name: "has_not",
data: []byte(`#comment` + nl +
`# comment` + nl +
`interface eth0` + nl +
`static ip_address=192.168.0.1/24` + nl +
`# interface ` + iface + nl +
`static ip_address=192.168.1.1/24` + nl +
`# comment` + nl,
),
wantCont: true,
}, {
name: "has",
data: []byte(`#comment` + nl +
`# comment` + nl +
`interface eth0` + nl +
`static ip_address=192.168.0.1/24` + nl +
`# interface ` + iface + nl +
`static ip_address=192.168.1.1/24` + nl +
`# comment` + nl +
`interface ` + iface + nl +
`# comment` + nl +
`static ip_address=192.168.2.1/24` + nl,
),
wantCont: false,
}}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
r := bytes.NewReader(tc.data)
_, cont, err := iface.dhcpcdStaticConfig(r)
require.NoError(t, err)
assert.Equal(t, tc.wantCont, cont)
})
}
}
func TestIfacesStaticConfig(t *testing.T) {
const iface interfaceName = `enp0s3`
testCases := []struct {
name string
data []byte
wantCont bool
wantPatterns []string
}{{
name: "has_not",
data: []byte(`allow-hotplug ` + iface + nl +
`#iface enp0s3 inet static` + nl +
`# address 192.168.0.200` + nl +
`# netmask 255.255.255.0` + nl +
`# gateway 192.168.0.1` + nl +
`iface ` + iface + ` inet dhcp` + nl,
),
wantCont: true,
wantPatterns: []string{},
}, {
name: "has",
data: []byte(`allow-hotplug ` + iface + nl +
`iface ` + iface + ` inet static` + nl +
` address 192.168.0.200` + nl +
` netmask 255.255.255.0` + nl +
` gateway 192.168.0.1` + nl +
`#iface ` + iface + ` inet dhcp` + nl,
),
wantCont: false,
wantPatterns: []string{},
}, {
name: "return_patterns",
data: []byte(`source hello` + nl +
`source world` + nl +
`#iface ` + iface + ` inet static` + nl,
),
wantCont: true,
wantPatterns: []string{"hello", "world"},
}, {
// This one tests if the first found valid interface prevents
// checking files under the `source` directive.
name: "ignore_patterns",
data: []byte(`source hello` + nl +
`source world` + nl +
`iface ` + iface + ` inet static` + nl,
),
wantCont: false,
wantPatterns: []string{},
}}
for _, tc := range testCases {
r := bytes.NewReader(tc.data)
t.Run(tc.name, func(t *testing.T) {
patterns, has, err := iface.ifacesStaticConfig(r)
require.NoError(t, err)
assert.Equal(t, tc.wantCont, has)
assert.ElementsMatch(t, tc.wantPatterns, patterns)
})
}
}
func TestSetStaticIPdhcpcdConf(t *testing.T) {
testCases := []struct {
name string
dhcpcdConf string
routers net.IP
}{{
name: "with_gateway",
dhcpcdConf: nl + `# wlan0 added by AdGuard Home.` + nl +
`interface wlan0` + nl +
`static ip_address=192.168.0.2/24` + nl +
`static routers=192.168.0.1` + nl +
`static domain_name_servers=192.168.0.2` + nl + nl,
routers: net.IP{192, 168, 0, 1},
}, {
name: "without_gateway",
dhcpcdConf: nl + `# wlan0 added by AdGuard Home.` + nl +
`interface wlan0` + nl +
`static ip_address=192.168.0.2/24` + nl +
`static domain_name_servers=192.168.0.2` + nl + nl,
routers: nil,
}}
ipNet := &net.IPNet{
IP: net.IP{192, 168, 0, 2},
Mask: net.IPMask{255, 255, 255, 0},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
s := dhcpcdConfIface("wlan0", ipNet, tc.routers, net.IP{192, 168, 0, 2})
assert.Equal(t, tc.dhcpcdConf, s)
})
}
}