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package dhcpv4
import (
"net"
"testing"
"time"
"github.com/stretchr/testify/require"
)
func TestTransactionIDModifier(t *testing.T) {
d, err := New()
require.NoError(t, err)
WithTransactionID(TransactionID{0xdd, 0xcc, 0xbb, 0xaa})(d)
require.Equal(t, TransactionID{0xdd, 0xcc, 0xbb, 0xaa}, d.TransactionID)
}
func TestBroadcastModifier(t *testing.T) {
d, err := New()
require.NoError(t, err)
// set and test broadcast
WithBroadcast(true)(d)
require.Equal(t, true, d.IsBroadcast())
// set and test unicast
WithBroadcast(false)(d)
require.Equal(t, true, d.IsUnicast())
}
func TestHwAddrModifier(t *testing.T) {
hwaddr := net.HardwareAddr{0xa, 0xb, 0xc, 0xd, 0xe, 0xf}
d, err := New(WithHwAddr(hwaddr))
require.NoError(t, err)
require.Equal(t, hwaddr, d.ClientHWAddr)
}
func TestWithOptionModifier(t *testing.T) {
d, err := New(WithOption(OptDomainName("slackware.it")))
require.NoError(t, err)
dnOpt := d.DomainName()
require.NotNil(t, dnOpt)
require.Equal(t, "slackware.it", dnOpt)
}
func TestWithoutOptionModifier(t *testing.T) {
d, err := New(
WithOption(OptDomainName("slackware.it")),
WithoutOption(OptionDomainName),
)
require.NoError(t, err)
require.False(t, d.Options.Has(OptionDomainName))
require.Equal(t, "", d.DomainName())
}
func TestUserClassModifier(t *testing.T) {
d, err := New(WithUserClass("linuxboot", false))
require.NoError(t, err)
expected := []byte{
'l', 'i', 'n', 'u', 'x', 'b', 'o', 'o', 't',
}
require.Equal(t, expected, d.GetOneOption(OptionUserClassInformation))
}
func TestUserClassModifierRFC(t *testing.T) {
d, err := New(WithUserClass("linuxboot", true))
require.NoError(t, err)
expected := []byte{
9, 'l', 'i', 'n', 'u', 'x', 'b', 'o', 'o', 't',
}
require.Equal(t, expected, d.GetOneOption(OptionUserClassInformation))
}
func TestWithNetboot(t *testing.T) {
d, err := New(WithNetboot)
require.NoError(t, err)
require.Equal(t, "TFTP Server Name, Bootfile Name", d.ParameterRequestList().String())
}
func TestWithNetbootExistingTFTP(t *testing.T) {
d, _ := New()
d.UpdateOption(OptParameterRequestList(OptionTFTPServerName))
WithNetboot(d)
require.Equal(t, "TFTP Server Name, Bootfile Name", d.ParameterRequestList().String())
}
func TestWithNetbootExistingBootfileName(t *testing.T) {
d, _ := New()
d.UpdateOption(OptParameterRequestList(OptionBootfileName))
WithNetboot(d)
require.Equal(t, "TFTP Server Name, Bootfile Name", d.ParameterRequestList().String())
}
func TestWithNetbootExistingBoth(t *testing.T) {
d, _ := New()
d.UpdateOption(OptParameterRequestList(OptionBootfileName, OptionTFTPServerName))
WithNetboot(d)
require.Equal(t, "TFTP Server Name, Bootfile Name", d.ParameterRequestList().String())
}
func TestWithRequestedOptions(t *testing.T) {
// Check if OptionParameterRequestList is created when not present
d, err := New(WithRequestedOptions(OptionFQDN))
require.NoError(t, err)
require.NotNil(t, d)
opts := d.ParameterRequestList()
require.NotNil(t, opts)
require.ElementsMatch(t, opts, []OptionCode{OptionFQDN})
// Check if already set options are preserved
WithRequestedOptions(OptionHostName)(d)
require.NotNil(t, d)
opts = d.ParameterRequestList()
require.NotNil(t, opts)
require.ElementsMatch(t, opts, []OptionCode{OptionFQDN, OptionHostName})
}
func TestWithRelay(t *testing.T) {
ip := net.IP{10, 0, 0, 1}
d, err := New(WithRelay(ip))
require.NoError(t, err)
require.True(t, d.IsUnicast(), "expected unicast")
require.Equal(t, ip, d.GatewayIPAddr)
require.Equal(t, uint8(1), d.HopCount)
}
func TestWithNetmask(t *testing.T) {
d, err := New(WithNetmask(net.IPv4Mask(255, 255, 255, 0)))
require.NoError(t, err)
require.Equal(t, net.IPv4Mask(255, 255, 255, 0), d.SubnetMask())
}
func TestWithLeaseTime(t *testing.T) {
d, err := New(WithLeaseTime(uint32(3600)))
require.NoError(t, err)
require.True(t, d.Options.Has(OptionIPAddressLeaseTime))
require.Equal(t, 3600*time.Second, d.IPAddressLeaseTime(10*time.Second))
}
func TestWithDNS(t *testing.T) {
d, err := New(WithDNS(net.ParseIP("10.0.0.1"), net.ParseIP("10.0.0.2")))
require.NoError(t, err)
dns := d.DNS()
require.Equal(t, net.ParseIP("10.0.0.1").To4(), dns[0])
require.Equal(t, net.ParseIP("10.0.0.2").To4(), dns[1])
}
func TestWithDomainSearchList(t *testing.T) {
d, err := New(WithDomainSearchList("slackware.it", "dhcp.slackware.it"))
require.NoError(t, err)
osl := d.DomainSearch()
require.NotNil(t, osl)
require.Equal(t, 2, len(osl.Labels))
require.Equal(t, "slackware.it", osl.Labels[0])
require.Equal(t, "dhcp.slackware.it", osl.Labels[1])
}
func TestWithRouter(t *testing.T) {
rtr := net.ParseIP("10.0.0.254").To4()
d, err := New(WithRouter(rtr))
require.NoError(t, err)
ortr := d.Router()
require.Equal(t, rtr, ortr[0])
}
func TestWithRelayAgentInfo(t *testing.T) {
req, _ := New(WithGeneric(OptionRelayAgentInformation, []byte{
1, 5, 'l', 'i', 'n', 'u', 'x',
2, 4, 'b', 'o', 'o', 't',
}))
req.OpCode = OpcodeBootRequest
resp, _ := NewReplyFromRequest(req)
opt := resp.RelayAgentInfo()
require.NotNil(t, opt)
require.Equal(t, len(opt.Options), 2)
circuit := opt.Get(GenericOptionCode(1))
remote := opt.Get(GenericOptionCode(2))
require.Equal(t, circuit, []byte("linux"))
require.Equal(t, remote, []byte("boot"))
}
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