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120 lines
3.1 KiB
Go
120 lines
3.1 KiB
Go
// Copyright 2014 Damjan Cvetko. All rights reserved.
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//
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// Use of this source code is governed by a BSD-style license
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// that can be found in the LICENSE file in the root of the source
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// tree.
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package pcapgo
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import (
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"bytes"
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"testing"
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"time"
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)
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// test header read
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func TestCreatePcapReader(t *testing.T) {
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test := []byte{
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0xd4, 0xc3, 0xb2, 0xa1, 0x02, 0x00, 0x04, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xff, 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
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}
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buf := bytes.NewBuffer(test)
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_, err := NewReader(buf)
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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}
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// test big endian file read
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func TestCreatePcapReaderBigEndian(t *testing.T) {
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test := []byte{
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0xa1, 0xb2, 0xc3, 0xd4, 0x00, 0x02, 0x00, 0x04,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0xff, 0xff, 0x00, 0x00, 0x00, 0x01,
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}
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buf := bytes.NewBuffer(test)
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_, err := NewReader(buf)
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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}
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// test opening invalid data
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func TestCreatePcapReaderFail(t *testing.T) {
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test := []byte{
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0xd0, 0xc3, 0xb2, 0xa1, 0x02, 0x00, 0x04, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0xff, 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
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}
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buf := bytes.NewBuffer(test)
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_, err := NewReader(buf)
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if err == nil {
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t.Error("Should fail but did not")
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t.FailNow()
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}
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}
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func TestPacket(t *testing.T) {
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test := []byte{
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0xd4, 0xc3, 0xb2, 0xa1, 0x02, 0x00, 0x04, 0x00, // magic, maj, min
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // tz, sigfigs
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0xff, 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, // snaplen, linkType
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0x5A, 0xCC, 0x1A, 0x54, 0x01, 0x00, 0x00, 0x00, // sec, usec
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0x04, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, // cap len, full len
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0x01, 0x02, 0x03, 0x04, // data
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}
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buf := bytes.NewBuffer(test)
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r, err := NewReader(buf)
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data, ci, err := r.ReadPacketData()
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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if !ci.Timestamp.Equal(time.Date(2014, 9, 18, 12, 13, 14, 1000, time.UTC)) {
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t.Error("Invalid time read")
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t.FailNow()
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}
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if ci.CaptureLength != 4 || ci.Length != 8 {
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t.Error("Invalid CapLen or Len")
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}
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want := []byte{1, 2, 3, 4}
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if !bytes.Equal(data, want) {
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t.Errorf("buf mismatch:\nwant: %+v\ngot: %+v", want, data)
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}
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}
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func TestPacketNano(t *testing.T) {
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test := []byte{
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0x4d, 0x3c, 0xb2, 0xa1, 0x02, 0x00, 0x04, 0x00, // magic, maj, min
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0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, // tz, sigfigs
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0xff, 0xff, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, // snaplen, linkType
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0x5A, 0xCC, 0x1A, 0x54, 0x01, 0x00, 0x00, 0x00, // sec, usec
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0x04, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, // cap len, full len
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0x01, 0x02, 0x03, 0x04, // data
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}
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buf := bytes.NewBuffer(test)
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r, err := NewReader(buf)
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data, ci, err := r.ReadPacketData()
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if err != nil {
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t.Error(err)
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t.FailNow()
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}
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if !ci.Timestamp.Equal(time.Date(2014, 9, 18, 12, 13, 14, 1, time.UTC)) {
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t.Error("Invalid time read")
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t.FailNow()
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}
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if ci.CaptureLength != 4 || ci.Length != 8 {
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t.Error("Invalid CapLen or Len")
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}
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want := []byte{1, 2, 3, 4}
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if !bytes.Equal(data, want) {
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t.Errorf("buf mismatch:\nwant: %+v\ngot: %+v", want, data)
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}
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}
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