110 lines
2.6 KiB
Go
110 lines
2.6 KiB
Go
package dhcpd
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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func TestDHCPOptionParser(t *testing.T) {
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testCases := []struct {
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name string
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in string
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wantErrMsg string
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wantData []byte
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wantCode uint8
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}{{
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name: "hex_success",
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in: "6 hex c0a80101c0a80102",
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wantErrMsg: "",
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wantData: []byte{0xC0, 0xA8, 0x01, 0x01, 0xC0, 0xA8, 0x01, 0x02},
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wantCode: 6,
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}, {
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name: "ip_success",
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in: "6 ip 1.2.3.4",
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wantErrMsg: "",
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wantData: []byte{0x01, 0x02, 0x03, 0x04},
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wantCode: 6,
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}, {
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name: "ip_success_v6",
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in: "6 ip ::1234",
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wantErrMsg: "",
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wantData: []byte{
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x12, 0x34,
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},
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wantCode: 6,
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}, {
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name: "ips_success",
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in: "6 ips 192.168.1.1,192.168.1.2",
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wantErrMsg: "",
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wantData: []byte{0xC0, 0xA8, 0x01, 0x01, 0xC0, 0xA8, 0x01, 0x02},
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wantCode: 6,
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}, {
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name: "text_success",
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in: "252 text http://192.168.1.1/",
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wantErrMsg: "",
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wantData: []byte("http://192.168.1.1/"),
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wantCode: 252,
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}, {
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name: "bad_parts",
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in: "6 ip",
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wantErrMsg: `invalid option string "6 ip": need at least three fields`,
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wantCode: 0,
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wantData: nil,
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}, {
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name: "bad_code",
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in: "256 ip 1.1.1.1",
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wantErrMsg: `invalid option string "256 ip 1.1.1.1": parsing option code: ` +
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`strconv.ParseUint: parsing "256": value out of range`,
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wantCode: 0,
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wantData: nil,
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}, {
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name: "bad_type",
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in: "6 bad 1.1.1.1",
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wantErrMsg: `invalid option string "6 bad 1.1.1.1": unknown option type "bad"`,
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wantCode: 0,
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wantData: nil,
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}, {
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name: "hex_error",
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in: "6 hex ZZZ",
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wantErrMsg: `invalid option string "6 hex ZZZ": decoding hex: ` +
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`encoding/hex: invalid byte: U+005A 'Z'`,
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wantData: nil,
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wantCode: 0,
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}, {
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name: "ip_error",
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in: "6 ip 1.2.3.x",
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wantErrMsg: `invalid option string "6 ip 1.2.3.x": invalid ip`,
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wantData: nil,
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wantCode: 0,
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}, {
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name: "ips_error",
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in: "6 ips 192.168.1.1,192.168.1.x",
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wantErrMsg: `invalid option string "6 ips 192.168.1.1,192.168.1.x": ` +
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`parsing ip at index 1: invalid ip`,
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wantData: nil,
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wantCode: 0,
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}}
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p := newDHCPOptionParser()
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for _, tc := range testCases {
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t.Run(tc.name, func(t *testing.T) {
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code, data, err := p.parse(tc.in)
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if tc.wantErrMsg == "" {
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assert.Nil(t, err)
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} else {
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require.NotNil(t, err)
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assert.Equal(t, tc.wantErrMsg, err.Error())
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}
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assert.Equal(t, tc.wantCode, code)
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assert.Equal(t, tc.wantData, data)
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})
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}
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}
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