From fdac804dc9375ebe7c607059c186b771d5c49800 Mon Sep 17 00:00:00 2001
From: Owen Mooney <mooneyow@tcd.ie>
Date: Wed, 25 Jul 2018 13:14:11 +0100
Subject: Add TFTP server name option (#92)

---
 dhcpv4/option_tftp_server_name_test.go | 60 ++++++++++++++++++++++++++++++++++
 1 file changed, 60 insertions(+)
 create mode 100644 dhcpv4/option_tftp_server_name_test.go

(limited to 'dhcpv4/option_tftp_server_name_test.go')

diff --git a/dhcpv4/option_tftp_server_name_test.go b/dhcpv4/option_tftp_server_name_test.go
new file mode 100644
index 0000000..caddf95
--- /dev/null
+++ b/dhcpv4/option_tftp_server_name_test.go
@@ -0,0 +1,60 @@
+package dhcpv4
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestOptTFTPServerNameCode(t *testing.T) {
+	opt := OptTFTPServerName{}
+	require.Equal(t, OptionTFTPServerName, opt.Code())
+}
+
+func TestOptTFTPServerNameToBytes(t *testing.T) {
+	opt := OptTFTPServerName{
+		TFTPServerName: []byte("linuxboot"),
+	}
+	data := opt.ToBytes()
+	expected := []byte{
+		66, // OptionTFTPServerName
+		9,  // length
+		'l', 'i', 'n', 'u', 'x', 'b', 'o', 'o', 't',
+	}
+	require.Equal(t, expected, data)
+}
+
+func TestParseOptTFTPServerName(t *testing.T) {
+	expected := []byte{
+		66, 9, 'l', 'i', 'n', 'u', 'x', 'b', 'o', 'o', 't',
+	}
+	opt, err := ParseOptTFTPServerName(expected)
+	require.NoError(t, err)
+	require.Equal(t, 9, opt.Length())
+	require.Equal(t, "linuxboot", string(opt.TFTPServerName))
+}
+
+func TestParseOptTFTPServerNameZeroLength(t *testing.T) {
+	expected := []byte{
+		66, 0,
+	}
+	_, err := ParseOptTFTPServerName(expected)
+	require.Error(t, err)
+}
+
+func TestParseOptTFTPServerNameInvalidLength(t *testing.T) {
+	expected := []byte{
+		66, 9, 'l', 'i', 'n', 'u', 'x', 'b',
+	}
+	_, err := ParseOptTFTPServerName(expected)
+	require.Error(t, err)
+}
+
+func TestParseOptTFTPServerNameShortLength(t *testing.T) {
+	expected := []byte{
+		66, 4, 'l', 'i', 'n', 'u', 'x',
+	}
+	opt, err := ParseOptTFTPServerName(expected)
+	require.NoError(t, err)
+	require.Equal(t, []byte("linu"), opt.TFTPServerName)
+}
-- 
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