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// Copyright 2024 the u-root Authors. All rights reserved
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package netcat
import "testing"
func TestNetcatSocketType_String(t *testing.T) {
testCases := []struct {
name string
socketType SocketType
expected string
}{
{"TCP", SOCKET_TYPE_TCP, "tcp"},
{"UDP", SOCKET_TYPE_UDP, "udp"},
{"UNIX", SOCKET_TYPE_UNIX, "unix"},
{"VSOCK", SOCKET_TYPE_VSOCK, "vsock"},
{"SCTP", SOCKET_TYPE_SCTP, "sctp"},
{"UDP-VSOCK", SOCKET_TYPE_UDP_VSOCK, "udp-vsock"},
{"UNIXGRAM", SOCKET_TYPE_UDP_UNIX, "unixgram"},
{"NONE", SOCKET_TYPE_NONE, "none"},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
result := tc.socketType.String()
if result != tc.expected {
t.Errorf("expected %s, got %s", tc.expected, result)
}
})
}
}
func TestNetwork(t *testing.T) {
testCases := []struct {
name string
config ProtocolOptions
expected string
wantErr bool
}{
{name: "TCP", config: ProtocolOptions{SocketType: SOCKET_TYPE_TCP, IPType: IP_V4_V6}, expected: "tcp", wantErr: false},
{name: "TCP IPv4", config: ProtocolOptions{SocketType: SOCKET_TYPE_TCP, IPType: IP_V4}, expected: "tcp4", wantErr: false},
{name: "TCP IPv6", config: ProtocolOptions{SocketType: SOCKET_TYPE_TCP, IPType: IP_V6}, expected: "tcp6", wantErr: false},
{name: "UDP", config: ProtocolOptions{SocketType: SOCKET_TYPE_UDP, IPType: IP_V4_V6}, expected: "udp", wantErr: false},
{name: "UDP IPv4", config: ProtocolOptions{SocketType: SOCKET_TYPE_UDP, IPType: IP_V4}, expected: "udp4", wantErr: false},
{name: "UDP IPv6", config: ProtocolOptions{SocketType: SOCKET_TYPE_UDP, IPType: IP_V6}, expected: "udp6", wantErr: false},
{name: "UNIX", config: ProtocolOptions{SocketType: SOCKET_TYPE_UNIX}, expected: "unix", wantErr: false},
{name: "UNIXGRAM", config: ProtocolOptions{SocketType: SOCKET_TYPE_UDP_UNIX}, expected: "unixgram", wantErr: false},
{name: "VSOCK", config: ProtocolOptions{SocketType: SOCKET_TYPE_VSOCK}, expected: "", wantErr: false},
{name: "UDP VSOCK", config: ProtocolOptions{SocketType: SOCKET_TYPE_UDP_VSOCK}, expected: "", wantErr: false},
{name: "SCTP", config: ProtocolOptions{SocketType: SOCKET_TYPE_SCTP}, expected: "sctp", wantErr: false},
{name: "SCTP IPv4", config: ProtocolOptions{SocketType: SOCKET_TYPE_SCTP, IPType: IP_V4}, expected: "sctp4", wantErr: false},
{name: "SCTP IPv6", config: ProtocolOptions{SocketType: SOCKET_TYPE_SCTP, IPType: IP_V6}, expected: "sctp6", wantErr: false},
{name: "Invalid", config: ProtocolOptions{SocketType: 999, IPType: 999}, expected: "", wantErr: true},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
network, err := tc.config.Network()
if (err != nil) != tc.wantErr {
t.Errorf("NetcatConfig.Network() error = %v, wantErr %v", err, tc.wantErr)
return
}
if network != tc.expected {
t.Errorf("NetcatConfig.Network() = %v, expected %v", network, tc.expected)
}
})
}
}
func TestParseSocketType(t *testing.T) {
tests := []struct {
name string
udp bool
unix bool
vsock bool
sctp bool
expectedType SocketType
expectError bool
}{
{name: "TCP only", udp: false, unix: false, vsock: false, sctp: false, expectedType: SOCKET_TYPE_TCP, expectError: false},
{name: "UDP only", udp: true, unix: false, vsock: false, sctp: false, expectedType: SOCKET_TYPE_UDP, expectError: false},
{name: "UDP and UNIX", udp: true, unix: true, vsock: false, sctp: false, expectedType: SOCKET_TYPE_UDP_UNIX, expectError: false},
{name: "UDP and VSOCK", udp: true, unix: false, vsock: true, sctp: false, expectedType: SOCKET_TYPE_UDP_VSOCK, expectError: false},
{name: "UNIX only", udp: false, unix: true, vsock: false, sctp: false, expectedType: SOCKET_TYPE_UNIX, expectError: false},
{name: "VSOCK only", udp: false, unix: false, vsock: true, sctp: false, expectedType: SOCKET_TYPE_VSOCK, expectError: false},
{name: "SCTP only", udp: false, unix: false, vsock: false, sctp: true, expectedType: SOCKET_TYPE_SCTP, expectError: false},
{name: "Invalid combination", udp: true, unix: true, vsock: true, sctp: true, expectedType: SOCKET_TYPE_NONE, expectError: true},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gotType, err := ParseSocketType(tt.udp, tt.unix, tt.vsock, tt.sctp)
if (err != nil) != tt.expectError {
t.Errorf("ParseSocketType() error = %v, expectError %v", err, tt.expectError)
return
}
if gotType != tt.expectedType {
t.Errorf("ParseSocketType() = %v, want %v", gotType, tt.expectedType)
}
})
}
}
func TestSplitVSockAddr(t *testing.T) {
tests := []struct {
name string
addr string
wantCID uint32
wantPort uint32
wantErr bool
}{
{
name: "valid address",
addr: "3:1024",
wantCID: 3,
wantPort: 1024,
wantErr: false,
},
{
name: "invalid address format",
addr: "3-1024",
wantCID: 0,
wantPort: 0,
wantErr: true,
},
{
name: "invalid CID",
addr: "abc:1024",
wantCID: 0,
wantPort: 0,
wantErr: true,
},
{
name: "invalid port",
addr: "3:abc",
wantCID: 0,
wantPort: 0,
wantErr: true,
},
{
name: "empty address",
addr: "",
wantCID: 0,
wantPort: 0,
wantErr: true,
},
{
name: "only CID",
addr: "3:",
wantCID: 0,
wantPort: 0,
wantErr: true,
},
{
name: "only port",
addr: ":1024",
wantCID: 0,
wantPort: 0,
wantErr: true,
},
{
name: "extra fields",
addr: "3:1024:extra",
wantCID: 0,
wantPort: 0,
wantErr: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
gotCID, gotPort, err := SplitVSockAddr(tt.addr)
if (err != nil) != tt.wantErr {
t.Errorf("splitVSockAddr() error = %v, wantErr %v", err, tt.wantErr)
return
}
if gotCID != tt.wantCID {
t.Errorf("splitVSockAddr() gotCID = %v, want %v", gotCID, tt.wantCID)
}
if gotPort != tt.wantPort {
t.Errorf("splitVSockAddr() gotPort = %v, want %v", gotPort, tt.wantPort)
}
})
}
}