mirror of https://bitbucket.org/ausocean/av.git
347 lines
11 KiB
Go
347 lines
11 KiB
Go
/*
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NAME
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lex_test.go
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DESCRIPTION
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See Readme.md
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AUTHOR
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Dan Kortschak <dan@ausocean.org>
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LICENSE
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lex_test.go is Copyright (C) 2017 the Australian Ocean Lab (AusOcean)
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It is free software: you can redistribute it and/or modify them
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with revid in gpl.txt. If not, see http://www.gnu.org/licenses.
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*/
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package lex
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import (
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"bytes"
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"fmt"
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"reflect"
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"testing"
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"time"
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)
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var h264Tests = []struct {
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name string
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input []byte
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delay time.Duration
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want [][]byte
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err error
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}{
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{
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name: "empty",
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},
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{
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name: "null short",
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input: []byte{0x00, 0x00, 0x01, 0x0},
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delay: 0,
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want: [][]byte{{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x0}},
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},
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{
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name: "null short delayed",
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input: []byte{0x00, 0x00, 0x01, 0x0},
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delay: time.Millisecond,
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want: [][]byte{{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x0}},
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},
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{
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name: "full short type 1",
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input: []byte{
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0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x01, 0x41, 'w', 'i', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd',
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},
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delay: 0,
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want: [][]byte{
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x01, 0x41, 'w', 'i', 't', 'h'},
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd'},
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},
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},
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{
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name: "full short type 5",
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input: []byte{
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0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x01, 0x45, 'w', 'i', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd',
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},
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delay: 0,
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want: [][]byte{
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x01, 0x45, 'w', 'i', 't', 'h'},
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd'},
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},
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},
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{
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name: "full short type 8",
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input: []byte{
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0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x01, 0x48, 'w', 'i', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd',
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},
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delay: 0,
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want: [][]byte{
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x01, 0x48, 'w', 'i', 't', 'h'},
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd'},
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},
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},
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{
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name: "full short delayed",
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input: []byte{
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0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x01, 0x41, 'w', 'i', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd',
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},
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delay: time.Millisecond,
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want: [][]byte{
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x01, 0x41, 'w', 'i', 't', 'h'},
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd'},
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},
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},
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{
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name: "full long type 1",
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input: []byte{
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x00, 0x01, 0x41, 'w', 'i', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd',
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},
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delay: 0,
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want: [][]byte{
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x00, 0x01, 0x41, 'w', 'i', 't', 'h'},
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd'},
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},
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},
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{
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name: "full long type 5",
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input: []byte{
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x00, 0x01, 0x45, 'w', 'i', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd',
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},
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delay: 0,
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want: [][]byte{
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x00, 0x01, 0x45, 'w', 'i', 't', 'h'},
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd'},
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},
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},
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{
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name: "full long type 8",
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input: []byte{
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x00, 0x01, 0x48, 'w', 'i', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd',
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},
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delay: 0,
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want: [][]byte{
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x00, 0x01, 0x48, 'w', 'i', 't', 'h'},
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd'},
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},
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},
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{
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name: "full long delayed",
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input: []byte{
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x00, 0x01, 0x41, 'w', 'i', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd',
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},
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delay: time.Millisecond,
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want: [][]byte{
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'u', 'l', 'l',
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0x00, 0x00, 0x00, 0x01, 0x00, 'f', 'r', 'a', 'm', 'e',
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0x00, 0x00, 0x00, 0x01, 0x41, 'w', 'i', 't', 'h'},
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{0x0, 0x0, 0x1, 0x9, 0xf0, 0x00, 0x00, 0x00, 0x01, 0x00, 'l', 'e', 'n', 'g', 't', 'h',
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0x00, 0x00, 0x00, 0x01, 0x00, 's', 'p', 'r', 'e', 'a', 'd'},
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},
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},
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}
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func TestH264(t *testing.T) {
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for _, test := range h264Tests {
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var buf chunkEncoder
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err := H264(&buf, bytes.NewReader(test.input), test.delay)
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if fmt.Sprint(err) != fmt.Sprint(test.err) {
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t.Errorf("unexpected error for %q: got:%v want:%v", test.name, err, test.err)
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}
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if err != nil {
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continue
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}
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got := [][]byte(buf)
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if !reflect.DeepEqual(got, test.want) {
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t.Errorf("unexpected result for %q:\ngot :%#v\nwant:%#v", test.name, got, test.want)
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}
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}
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}
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var mjpegTests = []struct {
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name string
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input []byte
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delay time.Duration
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want [][]byte
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err error
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}{
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{
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name: "empty",
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},
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{
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name: "null",
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input: []byte{0xff, 0xd8, 0xff, 0xd9},
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delay: 0,
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want: [][]byte{{0xff, 0xd8, 0xff, 0xd9}},
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},
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{
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name: "null delayed",
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input: []byte{0xff, 0xd8, 0xff, 0xd9},
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delay: time.Millisecond,
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want: [][]byte{{0xff, 0xd8, 0xff, 0xd9}},
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},
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{
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name: "full",
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input: []byte{
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0xff, 0xd8, 'f', 'u', 'l', 'l', 0xff, 0xd9,
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0xff, 0xd8, 'f', 'r', 'a', 'm', 'e', 0xff, 0xd9,
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0xff, 0xd8, 'w', 'i', 't', 'h', 0xff, 0xd9,
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0xff, 0xd8, 'l', 'e', 'n', 'g', 't', 'h', 0xff, 0xd9,
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0xff, 0xd8, 's', 'p', 'r', 'e', 'a', 'd', 0xff, 0xd9,
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},
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delay: 0,
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want: [][]byte{
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{0xff, 0xd8, 'f', 'u', 'l', 'l', 0xff, 0xd9},
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{0xff, 0xd8, 'f', 'r', 'a', 'm', 'e', 0xff, 0xd9},
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{0xff, 0xd8, 'w', 'i', 't', 'h', 0xff, 0xd9},
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{0xff, 0xd8, 'l', 'e', 'n', 'g', 't', 'h', 0xff, 0xd9},
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{0xff, 0xd8, 's', 'p', 'r', 'e', 'a', 'd', 0xff, 0xd9},
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},
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},
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{
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name: "full delayed",
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input: []byte{
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0xff, 0xd8, 'f', 'u', 'l', 'l', 0xff, 0xd9,
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0xff, 0xd8, 'f', 'r', 'a', 'm', 'e', 0xff, 0xd9,
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0xff, 0xd8, 'w', 'i', 't', 'h', 0xff, 0xd9,
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0xff, 0xd8, 'l', 'e', 'n', 'g', 't', 'h', 0xff, 0xd9,
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0xff, 0xd8, 's', 'p', 'r', 'e', 'a', 'd', 0xff, 0xd9,
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},
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delay: time.Millisecond,
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want: [][]byte{
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{0xff, 0xd8, 'f', 'u', 'l', 'l', 0xff, 0xd9},
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{0xff, 0xd8, 'f', 'r', 'a', 'm', 'e', 0xff, 0xd9},
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{0xff, 0xd8, 'w', 'i', 't', 'h', 0xff, 0xd9},
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{0xff, 0xd8, 'l', 'e', 'n', 'g', 't', 'h', 0xff, 0xd9},
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{0xff, 0xd8, 's', 'p', 'r', 'e', 'a', 'd', 0xff, 0xd9},
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},
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},
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}
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func TestMJEG(t *testing.T) {
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for _, test := range mjpegTests {
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var buf chunkEncoder
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err := MJPEG(&buf, bytes.NewReader(test.input), test.delay)
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if fmt.Sprint(err) != fmt.Sprint(test.err) {
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t.Errorf("unexpected error for %q: got:%v want:%v", test.name, err, test.err)
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}
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if err != nil {
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continue
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}
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got := [][]byte(buf)
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if !reflect.DeepEqual(got, test.want) {
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t.Errorf("unexpected result for %q:\ngot :%#v\nwant:%#v", test.name, got, test.want)
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}
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}
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}
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type chunkEncoder [][]byte
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func (e *chunkEncoder) Encode(b []byte) error {
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*e = append(*e, b)
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return nil
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}
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func (*chunkEncoder) Stream() <-chan []byte { panic("INVALID USE") }
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func TestScannerReadByte(t *testing.T) {
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data := []byte("Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.")
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for _, size := range []int{1, 2, 8, 1 << 10} {
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r := newScanner(bytes.NewReader(data), make([]byte, size))
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var got []byte
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for {
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b, err := r.readByte()
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if err != nil {
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break
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}
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got = append(got, b)
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}
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if !bytes.Equal(got, data) {
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t.Errorf("unexpected result for buffer size %d:\ngot :%q\nwant:%q", size, got, data)
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}
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}
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}
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func TestScannerScanUntilZero(t *testing.T) {
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data := []byte("Lorem ipsum dolor sit amet, consectetur adipiscing elit,\x00 sed do eiusmod tempor incididunt ut \x00labore et dolore magna aliqua.")
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for _, size := range []int{1, 2, 8, 1 << 10} {
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r := newScanner(bytes.NewReader(data), make([]byte, size))
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var got [][]byte
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for {
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buf, _, err := r.scanUntilZeroInto(nil)
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got = append(got, buf)
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if err != nil {
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break
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}
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}
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want := bytes.SplitAfter(data, []byte{0})
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if !reflect.DeepEqual(got, want) {
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t.Errorf("unexpected result for buffer zie %d:\ngot :%q\nwant:%q", size, got, want)
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}
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}
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}
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