507 lines
13 KiB
Go
507 lines
13 KiB
Go
package nbt
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import (
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"bytes"
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"compress/gzip"
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"io"
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"math"
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"reflect"
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"strconv"
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"strings"
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"testing"
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)
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func TestUnmarshal_string(t *testing.T) {
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data := []byte{
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0x08, 0x00, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0x00, 0x09,
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0x42, 0x61, 0x6e, 0x61, 0x6e, 0x72, 0x61, 0x6d, 0x61,
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}
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// Unmarshal to string
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var Name string
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if err := Unmarshal(data, &Name); err != nil {
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t.Fatal(err)
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}
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if Name != "Bananrama" {
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t.Errorf("Unmarshal NBT fail: get %q, want %q", Name, "Bananrama")
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}
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// Unmarshal to any
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var infName any
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if err := Unmarshal(data, &infName); err != nil {
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t.Fatal(err)
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}
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if infName != "Bananrama" {
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t.Errorf("Unmarshal NBT fail: get %q, want %q", Name, "Bananrama")
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}
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}
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func TestUnmarshal_simple(t *testing.T) {
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data := []byte{
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0x0a, 0x00, 0x0b, 0x68, 0x65, 0x6c, 0x6c, 0x6f,
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0x20, 0x77, 0x6f, 0x72, 0x6c, 0x64, 0x08, 0x00,
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0x04, 0x6e, 0x61, 0x6d, 0x65, 0x00, 0x09, 0x42,
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0x61, 0x6e, 0x61, 0x6e, 0x72, 0x61, 0x6d, 0x61,
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0x00,
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}
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// test parse
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var value struct {
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Name string `nbt:"name"`
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}
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if err := Unmarshal(data, &value); err != nil {
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t.Fatal(err)
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}
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if value.Name != "Bananrama" {
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t.Errorf("Unmarshal NBT fail: get %q, want %q", value.Name, "Bananrama")
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}
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// test rawRead
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var empty struct{}
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if err := Unmarshal(data, &empty); err != nil {
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t.Fatal(err)
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}
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}
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// Generated by vscode-hexdump
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var bigTestData = [...]byte{
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0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0xed, 0x54, 0xcf, 0x4f, 0x1a, 0x41,
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0x14, 0x7e, 0xc2, 0x02, 0xcb, 0x96, 0x82, 0xb1,
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0xc4, 0x10, 0x63, 0xcc, 0xab, 0xb5, 0x84, 0xa5,
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0xdb, 0xcd, 0x42, 0x11, 0x89, 0xb1, 0x88, 0x16,
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0x2c, 0x9a, 0x0d, 0x1a, 0xd8, 0xa8, 0x31, 0x86,
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0xb8, 0x2b, 0xc3, 0x82, 0x2e, 0xbb, 0x66, 0x77,
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0xb0, 0xf1, 0xd4, 0x4b, 0x7b, 0x6c, 0x7a, 0xeb,
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0x3f, 0xd3, 0x23, 0x7f, 0x43, 0xcf, 0xbd, 0xf6,
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0xbf, 0xa0, 0xc3, 0x2f, 0x7b, 0x69, 0xcf, 0xbd,
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0xf0, 0x32, 0xc9, 0xf7, 0xe6, 0xbd, 0x6f, 0xe6,
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0x7b, 0x6f, 0x26, 0x79, 0x02, 0x04, 0x54, 0x72,
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0x4f, 0x2c, 0x0e, 0x78, 0xcb, 0xb1, 0x4d, 0x8d,
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0x78, 0xf4, 0xe3, 0x70, 0x62, 0x3e, 0x08, 0x7b,
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0x1d, 0xc7, 0xa5, 0x93, 0x18, 0x0f, 0x82, 0x47,
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0xdd, 0xee, 0x84, 0x02, 0x62, 0xb5, 0xa2, 0xaa,
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0xc7, 0x78, 0x76, 0x5c, 0x57, 0xcb, 0xa8, 0x55,
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0x0f, 0x1b, 0xc8, 0xd6, 0x1e, 0x6a, 0x95, 0x86,
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0x86, 0x0d, 0xad, 0x7e, 0x58, 0x7b, 0x8f, 0x83,
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0xcf, 0x83, 0x4f, 0x83, 0x6f, 0xcf, 0x03, 0x10,
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0x6e, 0x5b, 0x8e, 0x3e, 0xbe, 0xa5, 0x38, 0x4c,
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0x64, 0xfd, 0x10, 0xea, 0xda, 0x74, 0xa6, 0x23,
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0x40, 0xdc, 0x66, 0x2e, 0x69, 0xe1, 0xb5, 0xd3,
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0xbb, 0x73, 0xfa, 0x76, 0x0b, 0x29, 0xdb, 0x0b,
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0xe0, 0xef, 0xe8, 0x3d, 0x1e, 0x38, 0x5b, 0xef,
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0x11, 0x08, 0x56, 0xf5, 0xde, 0x5d, 0xdf, 0x0b,
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0x40, 0xe0, 0x5e, 0xb7, 0xfa, 0x64, 0xb7, 0x04,
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0x00, 0x8c, 0x41, 0x4c, 0x73, 0xc6, 0x08, 0x55,
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0x4c, 0xd3, 0x20, 0x2e, 0x7d, 0xa4, 0xc0, 0xc8,
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0xc2, 0x10, 0xb3, 0xba, 0xde, 0x58, 0x0b, 0x53,
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0xa3, 0xee, 0x44, 0x8e, 0x45, 0x03, 0x30, 0xb1,
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0x27, 0x53, 0x8c, 0x4c, 0xf1, 0xe9, 0x14, 0xa3,
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0x53, 0x8c, 0x85, 0xe1, 0xd9, 0x9f, 0xe3, 0xb3,
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0xf2, 0x44, 0x81, 0xa5, 0x7c, 0x33, 0xdd, 0xd8,
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0xbb, 0xc7, 0xaa, 0x75, 0x13, 0x5f, 0x28, 0x1c,
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0x08, 0xd7, 0x2e, 0xd1, 0x59, 0x3f, 0xaf, 0x1d,
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0x1b, 0x60, 0x21, 0x59, 0xdf, 0xfa, 0xf1, 0x05,
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0xfe, 0xc1, 0xce, 0xfc, 0x9d, 0xbd, 0x00, 0xbc,
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0xf1, 0x40, 0xc9, 0xf8, 0x85, 0x42, 0x40, 0x46,
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0xfe, 0x9e, 0xeb, 0xea, 0x0f, 0x93, 0x3a, 0x68,
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0x87, 0x60, 0xbb, 0xeb, 0x32, 0x37, 0xa3, 0x28,
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0x0a, 0x8e, 0xbb, 0xf5, 0xd0, 0x69, 0x63, 0xca,
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0x4e, 0xdb, 0xe9, 0xec, 0xe6, 0xe6, 0x2b, 0x3b,
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0xbd, 0x25, 0xbe, 0x64, 0x49, 0x09, 0x3d, 0xaa,
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0xbb, 0x94, 0xfd, 0x18, 0x7e, 0xe8, 0xd2, 0x0e,
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0xda, 0x6f, 0x15, 0x4c, 0xb1, 0x68, 0x3e, 0x2b,
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0xe1, 0x9b, 0x9c, 0x84, 0x99, 0xbc, 0x84, 0x05,
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0x09, 0x65, 0x59, 0x16, 0x45, 0x00, 0xff, 0x2f,
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0x28, 0xae, 0x2f, 0xf2, 0xc2, 0xb2, 0xa4, 0x2e,
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0x1d, 0x20, 0x77, 0x5a, 0x3b, 0xb9, 0x8c, 0xca,
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0xe7, 0x29, 0xdf, 0x51, 0x41, 0xc9, 0x16, 0xb5,
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0xc5, 0x6d, 0xa1, 0x2a, 0xad, 0x2c, 0xc5, 0x31,
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0x7f, 0xba, 0x7a, 0x92, 0x8e, 0x5e, 0x9d, 0x5f,
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0xf8, 0x12, 0x05, 0x23, 0x1b, 0xd1, 0xf6, 0xb7,
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0x77, 0xaa, 0xcd, 0x95, 0x72, 0xbc, 0x9e, 0xdf,
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0x58, 0x5d, 0x4b, 0x97, 0xae, 0x92, 0x17, 0xb9,
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0x44, 0xd0, 0x80, 0xc8, 0xfa, 0x3e, 0xbf, 0xb3,
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0xdc, 0x54, 0xcb, 0x07, 0x75, 0x6e, 0xa3, 0xb6,
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0x76, 0x59, 0x92, 0x93, 0xa9, 0xdc, 0x51, 0x50,
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0x99, 0x6b, 0xcc, 0x35, 0xe6, 0x1a, 0xff, 0x57,
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0x23, 0x08, 0x42, 0xcb, 0xe9, 0x1b, 0xd6, 0x78,
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0xc2, 0xec, 0xfe, 0xfc, 0x7a, 0xfb, 0x7d, 0x78,
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0xd3, 0x84, 0xdf, 0xd4, 0xf2, 0xa4, 0xfb, 0x08,
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0x06, 0x00, 0x00,
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}
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type BigTestStruct struct {
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LongTest int64 `nbt:"longTest"`
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ShortTest int16 `nbt:"shortTest"`
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StringTest string `nbt:"stringTest"`
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FloatTest float32 `nbt:"floatTest"`
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IntTest int32 `nbt:"intTest"`
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NCT struct {
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Ham struct {
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Name string `nbt:"name"`
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Value float32 `nbt:"value"`
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} `nbt:"ham"`
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Egg struct {
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Name string `nbt:"name"`
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Value float32 `nbt:"value"`
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} `nbt:"egg"`
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} `nbt:"nested compound test"`
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ListTest []int64 `nbt:"listTest (long),list"`
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ListTest2 [2]struct {
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Name string `nbt:"name"`
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CreatedOn int64 `nbt:"created-on"`
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} `nbt:"listTest (compound)"`
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ByteTest byte `nbt:"byteTest"`
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ByteArrayTest []byte `nbtkey:"byteArrayTest (the first 1000 values of (n*n*255+n*7)%100, starting with n=0 (0, 62, 34, 16, 8, ...))"`
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DoubleTest float64 `nbt:"doubleTest"`
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}
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func MakeBigTestStruct() BigTestStruct {
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var want BigTestStruct
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want.NCT.Egg.Name = "Eggbert"
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want.NCT.Egg.Value = 0.5
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want.NCT.Ham.Name = "Hampus"
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want.NCT.Ham.Value = 0.75
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want.IntTest = 2147483647
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want.ByteTest = 127
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want.StringTest = "HELLO WORLD THIS IS A TEST STRING \xc3\x85\xc3\x84\xc3\x96!"
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want.ListTest = []int64{11, 12, 13, 14, 15}
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want.DoubleTest = 0.49312871321823148
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want.FloatTest = 0.49823147058486938
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want.LongTest = 9223372036854775807
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want.ListTest2[0].CreatedOn = 1264099775885
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want.ListTest2[0].Name = "Compound tag #0"
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want.ListTest2[1].CreatedOn = 1264099775885
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want.ListTest2[1].Name = "Compound tag #1"
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want.ByteArrayTest = make([]byte, 1000)
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for n := 0; n < 1000; n++ {
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want.ByteArrayTest[n] = byte((n*n*255 + n*7) % 100)
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}
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want.ShortTest = 32767
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return want
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}
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func TestDecoder_Decode_bigTest(t *testing.T) {
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// test parse
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var value BigTestStruct
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r, err := gzip.NewReader(bytes.NewReader(bigTestData[:]))
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if err != nil {
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t.Fatal(err)
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}
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if _, err := NewDecoder(r).Decode(&value); err != nil {
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t.Fatal(err)
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}
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want := MakeBigTestStruct()
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if !reflect.DeepEqual(value, want) {
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t.Errorf("parse fail, expect %v, get %v", want, value)
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}
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// test rawRead
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var empty struct{}
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r, err = gzip.NewReader(bytes.NewReader(bigTestData[:]))
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if err != nil {
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t.Fatal(err)
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}
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if _, err := NewDecoder(r).Decode(&empty); err != nil {
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t.Fatal(err)
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}
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var inf any
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r, err = gzip.NewReader(bytes.NewReader(bigTestData[:]))
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if err != nil {
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t.Fatal(err)
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}
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if _, err := NewDecoder(r).Decode(&inf); err != nil {
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t.Fatal(err)
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}
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// t.Log(inf)
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}
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func BenchmarkDecoder_Decode_bigTest(b *testing.B) {
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var value BigTestStruct
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for i := 0; i < b.N; i++ {
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r, err := gzip.NewReader(bytes.NewReader(bigTestData[:]))
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if err != nil {
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b.Fatal(err)
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}
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if _, err := NewDecoder(r).Decode(&value); err != nil {
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b.Fatal(err)
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}
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}
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want := MakeBigTestStruct()
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if !reflect.DeepEqual(value, want) {
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b.Errorf("parse fail, expect %v, get %v", want, value)
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}
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}
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func TestDecoder_overRead(t *testing.T) {
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const tail = 16
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// Uncompressed NBT
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enc := []byte{
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TagCompound, 0, 1, 'A',
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TagString, 0, 1, 'B', 0, 0,
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TagEnd,
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}
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dataLen := len(enc)
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// these zeros are honeypot, we should not read them
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enc = append(enc, make([]byte, tail)...)
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var value struct {
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B string
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}
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r := bytes.NewReader(enc)
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// Count read bytes by using io.LimitReader
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rr := io.LimitReader(r, math.MaxInt64).(*io.LimitedReader)
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if _, err := NewDecoder(rr).Decode(&value); err != nil {
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t.Fatal(err)
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}
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readBytesNum := math.MaxInt64 - rr.N
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if readBytesNum > int64(dataLen) || r.Len() < tail {
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t.Errorf("Over read! nbt length: %d, but you read %d", dataLen, readBytesNum)
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}
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}
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func TestDecoder_Decode_IntArray(t *testing.T) {
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data := []byte{
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TagIntArray, 0, 0,
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0, 0, 0, 3,
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0, 0, 0, 1,
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0, 0, 0, 2,
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0, 0, 0, 3,
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}
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var (
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value []int
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want = []int{1, 2, 3}
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value2 []int32
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want2 = []int32{1, 2, 3}
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)
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if err := Unmarshal(data, &value); err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(value, want) {
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t.Errorf("parse fail, expect %v, get %v", want, value)
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}
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if err := Unmarshal(data, &value2); err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(value2, want2) {
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t.Errorf("parse fail, expect %v, get %v", want2, value2)
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}
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// t.Log(value, value2)
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}
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func TestDecoder_Decode_LongArray(t *testing.T) {
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data := []byte{
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TagLongArray, 0, 0,
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0, 0, 0, 3,
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0, 0, 0, 0, 0, 0, 0, 1,
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0, 0, 0, 0, 0, 0, 0, 2,
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0, 0, 0, 0, 0, 0, 0, 3,
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}
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var (
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value []int64
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infValue any
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want = []int64{1, 2, 3}
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)
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if err := Unmarshal(data, &value); err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(value, want) {
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t.Errorf("parse fail, expect %v, get %v", want, value)
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}
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// t.Log(value)
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if err := Unmarshal(data, &infValue); err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(infValue, want) {
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t.Errorf("parse fail, expect %v, get %v", want, infValue)
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}
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// t.Log(infValue)
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}
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func TestDecoder_Decode_ByteArray(t *testing.T) {
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data := []byte{
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TagByteArray, 0, 0,
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0, 0, 0, 7,
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0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
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}
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var (
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value []byte
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infValue any
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want = []byte{0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07}
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)
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// Unmarshal to []byte
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if err := Unmarshal(data, &value); err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(value, want) {
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t.Errorf("parse fail, expect %v, get %v", want, value)
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}
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// t.Log(value)
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// Unmarshal to any
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if err := Unmarshal(data, &infValue); err != nil {
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t.Fatal(err)
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}
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if !reflect.DeepEqual(infValue, want) {
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t.Errorf("parse fail, expect %v, get %v", want, value)
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}
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// t.Log(infValue)
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}
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func TestDecoder_Decode_bool(t *testing.T) {
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data := [][]byte{
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{TagByte, 0, 0, 0},
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{TagByte, 0, 0, 1},
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{TagByte, 0, 0, 2},
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{TagByte, 0, 0, 128},
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{TagByte, 0, 0, 255},
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}
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want := []bool{
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false, true, true, true, true,
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}
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var value bool
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for i, v := range data {
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// Unmarshal to []byte
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if err := Unmarshal(v, &value); err != nil {
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t.Fatal(err)
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}
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if value != want[i] {
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t.Errorf("parse fail, expect %v, get %v", want, value)
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}
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}
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}
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func TestDecoder_Decode_ErrorString(t *testing.T) {
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data := []byte{
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0x08, 0x00, 0x04, 0x6e, 0x61, 0x6d, 0x65, 0xFF, 0xFE,
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0x42, 0x61, 0x6e, 0x61, 0x6e, 0x72, 0x61, 0x6d, 0x61,
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}
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// Unmarshal to string
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var Name string
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err := Unmarshal(data, &Name)
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if err == nil {
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t.Error("should return a error if len < 0")
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}
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t.Log(err)
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}
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type TextBool bool
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func (b TextBool) MarshalText() (text []byte, err error) {
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return []byte(strconv.FormatBool(bool(b))), nil
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}
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func (b *TextBool) UnmarshalText(text []byte) (err error) {
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*((*bool)(b)), err = strconv.ParseBool(string(text))
|
|
return
|
|
}
|
|
|
|
func TestDecoder_Decode_textUnmarshaler(t *testing.T) {
|
|
var b TextBool
|
|
data := []byte{
|
|
TagString, 0, 0,
|
|
0, 4, 't', 'r', 'u', 'e',
|
|
}
|
|
_, err := NewDecoder(bytes.NewReader(data)).Decode(&b)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if b != true {
|
|
t.Errorf("b should be true")
|
|
}
|
|
|
|
var s struct {
|
|
A TextBool
|
|
}
|
|
data = []byte{
|
|
TagCompound, 0, 0,
|
|
TagString, 0, 1, 'A', 0, 4, 't', 'r', 'u', 'e',
|
|
TagEnd,
|
|
}
|
|
_, err = NewDecoder(bytes.NewReader(data)).Decode(&s)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
if s.A != true {
|
|
t.Errorf("s.A should be true")
|
|
}
|
|
}
|
|
|
|
func TestDecoder_Decode_ErrorUnknownField(t *testing.T) {
|
|
data := []byte{
|
|
TagCompound, 0, 1, 'S',
|
|
TagByte, 0, 1, 'A', 1,
|
|
TagByte, 0, 1, 'B', 2,
|
|
TagEnd,
|
|
}
|
|
var v struct {
|
|
A byte `nbt:"a"`
|
|
}
|
|
d := NewDecoder(bytes.NewReader(data))
|
|
d.DisallowUnknownFields()
|
|
if _, err := d.Decode(&v); err == nil || !strings.Contains(err.Error(), "unknown field") {
|
|
t.Errorf("should return an error unmarshalling unknown field")
|
|
}
|
|
}
|
|
|
|
func TestDecoder_Decode_keysWithComma(t *testing.T) {
|
|
data := []byte{
|
|
TagCompound, 0, 1, 'S',
|
|
TagString, 0, 1, 't',
|
|
0, 4, 'T', 'n', 'z', 'e',
|
|
TagEnd,
|
|
}
|
|
var s struct {
|
|
T string `nbt:"t,omitempty"`
|
|
}
|
|
|
|
if _, err := NewDecoder(bytes.NewReader(data)).Decode(&s); err != nil {
|
|
t.Errorf("decode error: %v", err)
|
|
}
|
|
|
|
want := "Tnze"
|
|
if s.T != want {
|
|
t.Errorf("unmarshal error: got %q, want %q", s.T, want)
|
|
}
|
|
}
|
|
|
|
func TestDecoder_Decode_keysWithComma2(t *testing.T) {
|
|
data := []byte{
|
|
TagCompound, 0, 1, 'S',
|
|
TagString, 0, 11, 't', ',', 'o', 'm', 'i', 't', 'e', 'm', 'p', 't', 'y',
|
|
0, 4, 'T', 'n', 'z', 'e',
|
|
TagEnd,
|
|
}
|
|
var s struct {
|
|
T string `nbtkey:"t,omitempty"`
|
|
}
|
|
|
|
if _, err := NewDecoder(bytes.NewReader(data)).Decode(&s); err != nil {
|
|
t.Errorf("decode error: %v", err)
|
|
}
|
|
|
|
want := "Tnze"
|
|
if s.T != want {
|
|
t.Errorf("unmarshal error: got %q, want %q", s.T, want)
|
|
}
|
|
}
|