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package dhcpv6
import (
"testing"
"github.com/stretchr/testify/require"
)
func TestParseOptVendorClass(t *testing.T) {
data := []byte{
0xaa, 0xbb, 0xcc, 0xdd, // EnterpriseNumber
0, 10, 'H', 'T', 'T', 'P', 'C', 'l', 'i', 'e', 'n', 't',
0, 4, 't', 'e', 's', 't',
}
opt, err := ParseOptVendorClass(data)
require.NoError(t, err)
require.Equal(t, OptionVendorClass, opt.Code())
require.Equal(t, 2, len(opt.Data))
require.Equal(t, uint32(0xaabbccdd), opt.EnterpriseNumber)
require.Equal(t, []byte("HTTPClient"), opt.Data[0])
require.Equal(t, []byte("test"), opt.Data[1])
}
func TestOptVendorClassToBytes(t *testing.T) {
opt := OptVendorClass{
EnterpriseNumber: uint32(0xaabbccdd),
Data: [][]byte{
[]byte("HTTPClient"),
[]byte("test"),
},
}
data := opt.ToBytes()
expected := []byte{
0, 16, // OptionVendorClass
0, 22, // length
0xaa, 0xbb, 0xcc, 0xdd, // EnterpriseNumber
0, 10, 'H', 'T', 'T', 'P', 'C', 'l', 'i', 'e', 'n', 't',
0, 4, 't', 'e', 's', 't',
}
require.Equal(t, expected, data)
}
func TestOptVendorClassParseOptVendorClassMalformed(t *testing.T) {
buf := []byte{
0xaa, 0xbb, // truncated EnterpriseNumber
}
_, err := ParseOptVendorClass(buf)
require.Error(t, err, "ParseOptVendorClass() should error if given truncated EnterpriseNumber")
buf = []byte{
0xaa, 0xbb, 0xcc, 0xdd, // EnterpriseNumber
}
_, err = ParseOptVendorClass(buf)
require.Error(t, err, "ParseOptVendorClass() should error if given no vendor classes")
buf = []byte{
0xaa, 0xbb, 0xcc, 0xdd, // EnterpriseNumber
0, 9, 'l', 'i', 'n', 'u', 'x', 'b', 'o', 'o', 't',
0, 4, 't', 'e',
}
_, err = ParseOptVendorClass(buf)
require.Error(t, err, "ParseOptVendorClass() should error if given truncated vendor classes")
buf = []byte{
0xaa, 0xbb, 0xcc, 0xdd, // EnterpriseNumber
0, 9, 'l', 'i', 'n', 'u', 'x', 'b', 'o', 'o', 't',
0,
}
_, err = ParseOptVendorClass(buf)
require.Error(t, err, "ParseOptVendorClass() should error if given a truncated length")
}
func TestOptVendorClassString(t *testing.T) {
data := []byte{
0xaa, 0xbb, 0xcc, 0xdd, // EnterpriseNumber
0, 9, 'l', 'i', 'n', 'u', 'x', 'b', 'o', 'o', 't',
0, 4, 't', 'e', 's', 't',
}
opt, err := ParseOptVendorClass(data)
require.NoError(t, err)
str := opt.String()
require.Contains(
t,
str,
"enterprisenum=2864434397",
"String() should contain the enterprisenum",
)
require.Contains(
t,
str,
"data=[linuxboot, test]",
"String() should contain the list of vendor classes",
)
}
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