socks5/request_test.go at master · screw-coding/socks5 · GitHub

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package socks5

import (
	"bytes"
	"testing"
)

func TestNewClientRequestMessage(t *testing.T) {
	tests := []struct {
		Version     byte
		Cmd         Command
		AddressType AddressType
		Address     []byte
		Port        []byte
		Error       error
		Message     ClientRequestMessage
	}{
		{
			Version:     SOCKS5Version,
			Cmd:         CommandConnect,
			AddressType: TypeIPv4,
			Address:     []byte{123, 35, 13, 90},
			Port:        []byte{0x00, 0x50},
			Error:       nil,
			Message: ClientRequestMessage{
				Cmd:         CommandConnect,
				AddressType: TypeIPv4,
				Address:     "123.35.13.90",
				Port:        0x0050,
			},
		},
		{
			Version:     0x04,
			Cmd:         CommandConnect,
			AddressType: TypeIPv4,
			Address:     []byte{123, 35, 13, 90},
			Port:        []byte{0x00, 0x50},
			Error:       ErrVersionNotSupported,
			Message: ClientRequestMessage{
				Cmd:         CommandConnect,
				AddressType: TypeIPv4,
				Address:     "123.35.13.90",
				Port:        0x0050,
			},
		},
	}

	for _, test := range tests {
		var buf bytes.Buffer
		buf.Write([]byte{test.Version, test.Cmd, ReservedField, test.AddressType})
		buf.Write(test.Address)
		buf.Write(test.Port)

		message, err := NewClientRequestMessage(&buf)
		if err != test.Error {
			t.Fatalf("should get error %s, but got %s\n", test.Error, err)
		}
		if err != nil {
			return
		}

		if *message != test.Message {
			t.Fatalf("should get message %v, but got %v\n", test.Message, *message)
		}

	}
}