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box_types_metadata_test.go
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/
box_types_metadata_test.go
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package mp4
import (
"bytes"
"io"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestBoxTypesMetadata(t *testing.T) {
testCases := []struct {
name string
src IImmutableBox
dst IBox
bin []byte
str string
ctx Context
}{
{
name: "ilst",
src: &Ilst{},
dst: &Ilst{},
bin: nil,
str: ``,
},
{
name: "ilst meta container",
src: &IlstMetaContainer{
AnyTypeBox: AnyTypeBox{Type: StrToBoxType("----")},
},
dst: &IlstMetaContainer{
AnyTypeBox: AnyTypeBox{Type: StrToBoxType("----")},
},
bin: nil,
str: ``,
ctx: Context{UnderIlst: true},
},
{
name: "ilst data (binary)",
src: &Data{DataType: 0, DataLang: 0x12345678, Data: []byte("foo")},
dst: &Data{},
bin: []byte{
0x00, 0x00, 0x00, 0x00, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x66, 0x6f, 0x6f, // data
},
str: `DataType=BINARY DataLang=305419896 Data=[0x66, 0x6f, 0x6f]`,
ctx: Context{UnderIlstMeta: true},
},
{
name: "ilst data (utf8)",
src: &Data{DataType: 1, DataLang: 0x12345678, Data: []byte("foo")},
dst: &Data{},
bin: []byte{
0x00, 0x00, 0x00, 0x01, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x66, 0x6f, 0x6f, // data
},
str: `DataType=UTF8 DataLang=305419896 Data="foo"`,
ctx: Context{UnderIlstMeta: true},
},
{
name: "ilst data (utf8 escaped)",
src: &Data{DataType: 1, DataLang: 0x12345678, Data: []byte{0x00, 'f', 'o', 'o'}},
dst: &Data{},
bin: []byte{
0x00, 0x00, 0x00, 0x01, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x00, 0x66, 0x6f, 0x6f, // data
},
str: `DataType=UTF8 DataLang=305419896 Data=".foo"`,
ctx: Context{UnderIlstMeta: true},
},
{
name: "ilst data (utf16)",
src: &Data{DataType: 2, DataLang: 0x12345678, Data: []byte("foo")},
dst: &Data{},
bin: []byte{
0x00, 0x00, 0x00, 0x02, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x66, 0x6f, 0x6f, // data
},
str: `DataType=UTF16 DataLang=305419896 Data=[0x66, 0x6f, 0x6f]`,
ctx: Context{UnderIlstMeta: true},
},
{
name: "ilst data (mac string)",
src: &Data{DataType: 3, DataLang: 0x12345678, Data: []byte("foo")},
dst: &Data{},
bin: []byte{
0x00, 0x00, 0x00, 0x03, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x66, 0x6f, 0x6f, // data
},
str: `DataType=MAC_STR DataLang=305419896 Data=[0x66, 0x6f, 0x6f]`,
ctx: Context{UnderIlstMeta: true},
},
{
name: "ilst data (jpsg)",
src: &Data{DataType: 14, DataLang: 0x12345678, Data: []byte("foo")},
dst: &Data{},
bin: []byte{
0x00, 0x00, 0x00, 0x0e, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x66, 0x6f, 0x6f, // data
},
str: `DataType=JPEG DataLang=305419896 Data=[0x66, 0x6f, 0x6f]`,
ctx: Context{UnderIlstMeta: true},
},
{
name: "ilst data (int)",
src: &Data{DataType: 21, DataLang: 0x12345678, Data: []byte("foo")},
dst: &Data{},
bin: []byte{
0x00, 0x00, 0x00, 0x15, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x66, 0x6f, 0x6f, // data
},
str: `DataType=INT DataLang=305419896 Data=[0x66, 0x6f, 0x6f]`,
ctx: Context{UnderIlstMeta: true},
},
{
name: "ilst data (float32)",
src: &Data{DataType: 22, DataLang: 0x12345678, Data: []byte("foo")},
dst: &Data{},
bin: []byte{
0x00, 0x00, 0x00, 0x16, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x66, 0x6f, 0x6f, // data
},
str: `DataType=FLOAT32 DataLang=305419896 Data=[0x66, 0x6f, 0x6f]`,
ctx: Context{UnderIlstMeta: true},
},
{
name: "ilst data (float64)",
src: &Data{DataType: 23, DataLang: 0x12345678, Data: []byte("foo")},
dst: &Data{},
bin: []byte{
0x00, 0x00, 0x00, 0x17, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x66, 0x6f, 0x6f, // data
},
str: `DataType=FLOAT64 DataLang=305419896 Data=[0x66, 0x6f, 0x6f]`,
ctx: Context{UnderIlstMeta: true},
},
{
name: "ilst data (string)",
src: &StringData{
AnyTypeBox: AnyTypeBox{Type: StrToBoxType("mean")},
Data: []byte{0x00, 'f', 'o', 'o'},
},
dst: &StringData{
AnyTypeBox: AnyTypeBox{Type: StrToBoxType("mean")},
},
bin: []byte{
0x00, 0x66, 0x6f, 0x6f, // data
},
str: `Data=".foo"`,
ctx: Context{UnderIlstFreeMeta: true},
},
{
name: "ilst numbered item",
src: &Item{
AnyTypeBox: AnyTypeBox{Type: Uint32ToBoxType(1)},
Version: 0,
Flags: [3]byte{'0'},
ItemName: []byte("data"),
Data: Data{DataType: 0, DataLang: 0x12345678, Data: []byte("foo")}},
dst: &Item{
AnyTypeBox: AnyTypeBox{Type: Uint32ToBoxType(1)},
},
bin: []byte{
0x00, // Version
0x30, 0x00, 0x0, // Flags
0x64, 0x61, 0x74, 0x61, // Item Name
0x0, 0x0, 0x0, 0x0, // data type
0x12, 0x34, 0x56, 0x78, // data lang
0x66, 0x6f, 0x6f, // data
},
str: `Version=0 Flags=0x000000 ItemName="data" Data={DataType=BINARY DataLang=305419896 Data=[0x66, 0x6f, 0x6f]}`,
ctx: Context{UnderIlst: true, QuickTimeKeysMetaEntryCount: 1},
},
{
name: "keys",
src: &Keys{
EntryCount: 2,
Entries: []Key{
{
KeySize: 27,
KeyNamespace: []byte("mdta"),
KeyValue: []byte("com.android.version"),
},
{
KeySize: 25,
KeyNamespace: []byte("mdta"),
KeyValue: []byte("com.android.model"),
},
},
},
dst: &Keys{},
bin: []byte{
0x0, // Version
0x0, 0x0, 0x0, // Flags
0x0, 0x0, 0x0, 0x2, // entry count
0x0, 0x0, 0x0, 0x1b, // entry 1 keysize
0x6d, 0x64, 0x74, 0x61, // entry 1 key namespace
0x63, 0x6f, 0x6d, 0x2e, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x2e, 0x76, 0x65, 0x72, 0x73, 0x69, 0x6f, 0x6e, // entry 1 key value
0x0, 0x0, 0x0, 0x19, // entry 2 keysize
0x6d, 0x64, 0x74, 0x61, // entry 2 key namespace
0x63, 0x6f, 0x6d, 0x2e, 0x61, 0x6e, 0x64, 0x72, 0x6f, 0x69, 0x64, 0x2e, 0x6d, 0x6f, 0x64, 0x65, 0x6c, // entry 2 key value
},
str: `Version=0 Flags=0x000000 EntryCount=2 Entries=[{KeySize=27 KeyNamespace="mdta" KeyValue="com.android.version"}, {KeySize=25 KeyNamespace="mdta" KeyValue="com.android.model"}]`,
ctx: Context{},
},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
// Marshal
buf := bytes.NewBuffer(nil)
n, err := Marshal(buf, tc.src, tc.ctx)
require.NoError(t, err)
assert.Equal(t, uint64(len(tc.bin)), n)
assert.Equal(t, tc.bin, buf.Bytes())
// Unmarshal
r := bytes.NewReader(tc.bin)
n, err = Unmarshal(r, uint64(len(tc.bin)), tc.dst, tc.ctx)
require.NoError(t, err)
assert.Equal(t, uint64(buf.Len()), n)
assert.Equal(t, tc.src, tc.dst)
s, err := r.Seek(0, io.SeekCurrent)
require.NoError(t, err)
assert.Equal(t, int64(buf.Len()), s)
// UnmarshalAny
dst, n, err := UnmarshalAny(bytes.NewReader(tc.bin), tc.src.GetType(), uint64(len(tc.bin)), tc.ctx)
require.NoError(t, err)
assert.Equal(t, uint64(buf.Len()), n)
assert.Equal(t, tc.src, dst)
s, err = r.Seek(0, io.SeekCurrent)
require.NoError(t, err)
assert.Equal(t, int64(buf.Len()), s)
// Stringify
str, err := Stringify(tc.src, tc.ctx)
require.NoError(t, err)
assert.Equal(t, tc.str, str)
})
}
}