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chunk_header_test.go
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chunk_header_test.go
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//
// Copyright (c) 2018- yutopp ([email protected])
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at https://www.boost.org/LICENSE_1_0.txt)
//
package rtmp
import (
"bytes"
"testing"
"github.com/stretchr/testify/require"
)
func TestChunkBasicHeader(t *testing.T) {
type testCase struct {
name string
value *chunkBasicHeader
binary []byte
}
testCases := []testCase{
{
name: "cs normal 1",
value: &chunkBasicHeader{
fmt: 1,
chunkStreamID: 2,
},
binary: []byte{
// 0b01 : fmt = 1
// 000010 : csID = 2
0x42,
},
},
{
name: "cs normal 2",
value: &chunkBasicHeader{
fmt: 2,
chunkStreamID: 63,
},
binary: []byte{
// 0b10 : fmt = 2
// 111111 : csID = 63
0xbf,
},
},
{
name: "cs medium 1",
value: &chunkBasicHeader{
fmt: 0,
chunkStreamID: 64,
},
binary: []byte{
// 0b00 : fmt = 0
// 000000 : csID(marker) = 0
//
0x00,
// 0b00000000 : csID = 0 = 64 - 64
0x00,
},
},
{
name: "cs medium 2",
value: &chunkBasicHeader{
fmt: 1,
chunkStreamID: 319,
},
binary: []byte{
// 0b01 : fmt = 1
// 000000 : csID(marker) = 0
0x40,
// 0b11111111 : csID = 255 = 319 - 64
0xff,
},
},
{
name: "cs large 1",
value: &chunkBasicHeader{
fmt: 3,
chunkStreamID: 320,
},
binary: []byte{
// 0b11 : fmt = 3
// 000001 : csID(marker) = 0
//
0xc1,
// 0b00000000,00000001 : csID = 256 = 320 - 64
0x00, 0x01,
},
},
{
name: "cs large 2",
value: &chunkBasicHeader{
fmt: 0,
chunkStreamID: 65599,
},
binary: []byte{
// 0b00 : fmt = 0
// 000001 : csID(marker) = 1
0x01,
// 0b11111111,11111111 : csID = 65535 = 65599 - 64
0xff, 0xff,
},
},
}
t.Run("Encode", func(t *testing.T) {
for _, tc := range testCases {
tc := tc // capture
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
buf := new(bytes.Buffer)
err := encodeChunkBasicHeader(buf, tc.value)
require.Nil(t, err)
require.Equal(t, tc.binary, buf.Bytes())
})
}
})
t.Run("Decode", func(t *testing.T) {
for _, tc := range testCases {
tc := tc // capture
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
r := bytes.NewReader(tc.binary)
var mh chunkBasicHeader
err := decodeChunkBasicHeader(r, nil, &mh)
require.Nil(t, err)
require.Equal(t, tc.value, &mh)
})
}
})
}
func TestChunkBasicHeaderError(t *testing.T) {
t.Run("Out of range(over)", func(t *testing.T) {
buf := new(bytes.Buffer)
err := encodeChunkBasicHeader(buf, &chunkBasicHeader{
fmt: 3,
chunkStreamID: 65600,
})
require.EqualError(t, err, "Chunk stream id is out of range: 65600 must be in range [2, 65599]")
})
t.Run("Out of range(under)", func(t *testing.T) {
buf := new(bytes.Buffer)
err := encodeChunkBasicHeader(buf, &chunkBasicHeader{
fmt: 3,
chunkStreamID: 1,
})
require.EqualError(t, err, "Chunk stream id is out of range: 1 must be in range [2, 65599]")
})
}
func TestChunkMessageHeader(t *testing.T) {
basic := &chunkMessageHeader{
timestamp: 10,
timestampDelta: 10,
messageLength: 10,
messageTypeID: 10,
messageStreamID: 10,
}
extendedBoundary := &chunkMessageHeader{
timestamp: 16777215,
timestampDelta: 16777215,
messageLength: 20,
messageTypeID: 20,
messageStreamID: 20,
}
extended := &chunkMessageHeader{
timestamp: 16777216,
timestampDelta: 16777216,
messageLength: 30,
messageTypeID: 30,
messageStreamID: 30,
}
type testCase struct {
name string
fmt byte
value *chunkMessageHeader
binary []byte
}
testCases := []testCase{
{
name: "basic fmt 0",
fmt: 0,
value: &chunkMessageHeader{
timestamp: basic.timestamp,
messageLength: basic.messageLength,
messageTypeID: basic.messageTypeID,
messageStreamID: basic.messageStreamID,
},
binary: []byte{
// Timestamp 10(BigEndian, 24bits)
0x00, 0x00, 0x0a,
// MessageLength 10(BigEndian, 24bits)
0x00, 0x00, 0x0a,
// MessageTypeID 10(8bits)
0x0a,
// MessageStreamID 10(*LittleEndian*, 32bits)
0x0a, 0x00, 0x00, 0x00,
},
},
{
name: "basic fmt 1",
fmt: 1,
value: &chunkMessageHeader{
timestampDelta: basic.timestampDelta,
messageLength: basic.messageLength,
messageTypeID: basic.messageTypeID,
},
binary: []byte{
// Timestamp Delta 10(BigEndian, 24bits)
0x00, 0x00, 0x0a,
// MessageLength 10(BigEndian, 24bits)
0x00, 0x00, 0x0a,
// MessageTypeID 10(8bits)
0x0a,
},
},
{
name: "basic fmt 2",
fmt: 2,
value: &chunkMessageHeader{
timestampDelta: basic.timestampDelta,
},
binary: []byte{
// Timestamp Delta 10(BigEndian, 24bits)
0x00, 0x00, 0x0a,
},
},
{
name: "extended boundary fmt 0",
fmt: 0,
value: &chunkMessageHeader{
timestamp: extendedBoundary.timestamp,
messageLength: extendedBoundary.messageLength,
messageTypeID: extendedBoundary.messageTypeID,
messageStreamID: extendedBoundary.messageStreamID,
},
binary: []byte{
// Timestamp MARKER(BigEndian, 24bits)
0xff, 0xff, 0xff,
// MessageLength 20(BigEndian, 24bits)
0x00, 0x00, 0x14,
// MessageTypeID 20(8bits)
0x14,
// MessageStreamID 20(*LittleEndian*, 32bits)
0x14, 0x00, 0x00, 0x00,
// ExtendTimestamp 16777215(BigEndian, 32bits)
0x00, 0xff, 0xff, 0xff,
},
},
{
name: "extended boundary fmt 1",
fmt: 1,
value: &chunkMessageHeader{
timestampDelta: extendedBoundary.timestampDelta,
messageLength: extendedBoundary.messageLength,
messageTypeID: extendedBoundary.messageTypeID,
},
binary: []byte{
// Timestamp Delta MARKER(BigEndian, 24bits)
0xff, 0xff, 0xff,
// MessageLength 20(BigEndian, 24bits)
0x00, 0x00, 0x14,
// MessageTypeID 20(8bits)
0x14,
// ExtendTimestamp Delta 16777215(BigEndian, 32bits)
0x00, 0xff, 0xff, 0xff,
},
},
{
name: "extended boundary fmt 2",
fmt: 2,
value: &chunkMessageHeader{
timestampDelta: extendedBoundary.timestampDelta,
},
binary: []byte{
// Timestamp Delta MARKER(BigEndian, 24bits)
0xff, 0xff, 0xff,
// ExtendTimestamp Delta 0(BigEndian, 32bits)
0x00, 0xff, 0xff, 0xff,
},
},
{
name: "extended fmt 0",
fmt: 0,
value: &chunkMessageHeader{
timestamp: extended.timestamp,
messageLength: extended.messageLength,
messageTypeID: extended.messageTypeID,
messageStreamID: extended.messageStreamID,
},
binary: []byte{
// Timestamp MARKER(BigEndian, 24bits)
0xff, 0xff, 0xff,
// MessageLength 30(BigEndian, 24bits)
0x00, 0x00, 0x1e,
// MessageTypeID 30(8bits)
0x1e,
// MessageStreamID 30(*LittleEndian*, 32bits)
0x1e, 0x00, 0x00, 0x00,
// ExtendTimestamp 16777216(BigEndian, 32bits)
0x01, 0x00, 0x00, 0x00,
},
},
{
name: "extended fmt 1",
fmt: 1,
value: &chunkMessageHeader{
timestampDelta: extended.timestampDelta,
messageLength: extended.messageLength,
messageTypeID: extended.messageTypeID,
},
binary: []byte{
// Timestamp Delta MARKER(BigEndian, 24bits)
0xff, 0xff, 0xff,
// MessageLength 30(BigEndian, 24bits)
0x00, 0x00, 0x1e,
// MessageTypeID 30(8bits)
0x1e,
// ExtendTimestamp Delta 16777216(BigEndian, 32bits)
0x01, 0x00, 0x00, 0x00,
},
},
{
name: "extended fmt 2",
fmt: 2,
value: &chunkMessageHeader{
timestampDelta: extended.timestampDelta,
},
binary: []byte{
// Timestamp Delta MARKER(BigEndian, 24bits)
0xff, 0xff, 0xff,
// ExtendTimestamp Delta 16777216(BigEndian, 32bits)
0x01, 0x00, 0x00, 0x00,
},
},
{
name: "fmt 3",
fmt: 3,
value: &chunkMessageHeader{},
binary: []byte(nil),
},
}
t.Run("Encode", func(t *testing.T) {
for _, tc := range testCases {
tc := tc // capture
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
buf := new(bytes.Buffer)
err := encodeChunkMessageHeader(buf, tc.fmt, tc.value)
require.Nil(t, err)
require.Equal(t, tc.binary, buf.Bytes())
})
}
})
t.Run("Decode", func(t *testing.T) {
for _, tc := range testCases {
tc := tc // capture
t.Run(tc.name, func(t *testing.T) {
t.Parallel()
r := bytes.NewReader(tc.binary)
var mh chunkMessageHeader
err := decodeChunkMessageHeader(r, tc.fmt, nil, &mh)
require.Nil(t, err)
require.Equal(t, tc.value, &mh)
})
}
})
}