blob: 97525497ddbabba420ea719e458e4185d35a80d2 [file] [log] [blame]
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package protopack
import (
"bytes"
"encoding/hex"
"fmt"
"math"
"testing"
"github.com/google/go-cmp/cmp"
"google.golang.org/protobuf/encoding/prototext"
pdesc "google.golang.org/protobuf/reflect/protodesc"
pref "google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/types/descriptorpb"
)
var msgDesc = func() pref.MessageDescriptor {
const s = `
name: "test.proto"
syntax: "proto2"
message_type: [{
name: "Message"
field: [
{name:"f1" number:1 label:LABEL_REPEATED type:TYPE_BOOL options:{packed:true}},
{name:"f2" number:2 label:LABEL_REPEATED type:TYPE_INT64 options:{packed:true}},
{name:"f3" number:3 label:LABEL_REPEATED type:TYPE_SINT64 options:{packed:true}},
{name:"f4" number:4 label:LABEL_REPEATED type:TYPE_UINT64 options:{packed:true}},
{name:"f5" number:5 label:LABEL_REPEATED type:TYPE_FIXED32 options:{packed:true}},
{name:"f6" number:6 label:LABEL_REPEATED type:TYPE_SFIXED32 options:{packed:true}},
{name:"f7" number:7 label:LABEL_REPEATED type:TYPE_FLOAT options:{packed:true}},
{name:"f8" number:8 label:LABEL_REPEATED type:TYPE_FIXED64 options:{packed:true}},
{name:"f9" number:9 label:LABEL_REPEATED type:TYPE_SFIXED64 options:{packed:true}},
{name:"f10" number:10 label:LABEL_REPEATED type:TYPE_DOUBLE options:{packed:true}},
{name:"f11" number:11 label:LABEL_OPTIONAL type:TYPE_STRING},
{name:"f12" number:12 label:LABEL_OPTIONAL type:TYPE_BYTES},
{name:"f13" number:13 label:LABEL_OPTIONAL type:TYPE_MESSAGE type_name:".Message"},
{name:"f14" number:14 label:LABEL_OPTIONAL type:TYPE_GROUP type_name:".Message.F14"}
]
nested_type: [{name: "F14"}]
}]
`
pb := new(descriptorpb.FileDescriptorProto)
if err := prototext.Unmarshal([]byte(s), pb); err != nil {
panic(err)
}
fd, err := pdesc.NewFile(pb, nil)
if err != nil {
panic(err)
}
return fd.Messages().Get(0)
}()
// dhex decodes a hex-string and returns the bytes and panics if s is invalid.
func dhex(s string) []byte {
b, err := hex.DecodeString(s)
if err != nil {
panic(err)
}
return b
}
func TestPack(t *testing.T) {
tests := []struct {
raw []byte
msg Message
wantOutCompact string
wantOutMulti string
wantOutSource string
}{{
raw: dhex("080088808080800002088280808080000a09010002828080808000"),
msg: Message{
Tag{1, VarintType}, Bool(false),
Denormalized{5, Tag{1, VarintType}}, Uvarint(2),
Tag{1, VarintType}, Denormalized{5, Uvarint(2)},
Tag{1, BytesType}, LengthPrefix{Bool(true), Bool(false), Uvarint(2), Denormalized{5, Uvarint(2)}},
},
wantOutSource: `protopack.Message{
protopack.Tag{1, protopack.VarintType}, protopack.Bool(false),
protopack.Denormalized{+5, protopack.Tag{1, protopack.VarintType}}, protopack.Uvarint(2),
protopack.Tag{1, protopack.VarintType}, protopack.Denormalized{+5, protopack.Uvarint(2)},
protopack.Tag{1, protopack.BytesType}, protopack.LengthPrefix{protopack.Bool(true), protopack.Bool(false), protopack.Uvarint(2), protopack.Denormalized{+5, protopack.Uvarint(2)}},
}`,
}, {
raw: dhex("100010828080808000121980808080808080808001ffffffffffffffff7f828080808000"),
msg: Message{
Tag{2, VarintType}, Varint(0),
Tag{2, VarintType}, Denormalized{5, Varint(2)},
Tag{2, BytesType}, LengthPrefix{Varint(math.MinInt64), Varint(math.MaxInt64), Denormalized{5, Varint(2)}},
},
wantOutCompact: `Message{Tag{2, Varint}, Varint(0), Tag{2, Varint}, Denormalized{+5, Varint(2)}, Tag{2, Bytes}, LengthPrefix{Varint(-9223372036854775808), Varint(9223372036854775807), Denormalized{+5, Varint(2)}}}`,
}, {
raw: dhex("1801188180808080001a1affffffffffffffffff01feffffffffffffffff01818080808000"),
msg: Message{
Tag{3, VarintType}, Svarint(-1),
Tag{3, VarintType}, Denormalized{5, Svarint(-1)},
Tag{3, BytesType}, LengthPrefix{Svarint(math.MinInt64), Svarint(math.MaxInt64), Denormalized{5, Svarint(-1)}},
},
wantOutMulti: `Message{
Tag{3, Varint}, Svarint(-1),
Tag{3, Varint}, Denormalized{+5, Svarint(-1)},
Tag{3, Bytes}, LengthPrefix{Svarint(-9223372036854775808), Svarint(9223372036854775807), Denormalized{+5, Svarint(-1)}},
}`,
}, {
raw: dhex("200120818080808000221100ffffffffffffffffff01818080808000"),
msg: Message{
Tag{4, VarintType}, Uvarint(+1),
Tag{4, VarintType}, Denormalized{5, Uvarint(+1)},
Tag{4, BytesType}, LengthPrefix{Uvarint(0), Uvarint(math.MaxUint64), Denormalized{5, Uvarint(+1)}},
},
wantOutSource: `protopack.Message{
protopack.Tag{4, protopack.VarintType}, protopack.Uvarint(1),
protopack.Tag{4, protopack.VarintType}, protopack.Denormalized{+5, protopack.Uvarint(1)},
protopack.Tag{4, protopack.BytesType}, protopack.LengthPrefix{protopack.Uvarint(0), protopack.Uvarint(18446744073709551615), protopack.Denormalized{+5, protopack.Uvarint(1)}},
}`,
}, {
raw: dhex("2d010000002a0800000000ffffffff"),
msg: Message{
Tag{5, Fixed32Type}, Uint32(+1),
Tag{5, BytesType}, LengthPrefix{Uint32(0), Uint32(math.MaxUint32)},
},
wantOutCompact: `Message{Tag{5, Fixed32}, Uint32(1), Tag{5, Bytes}, LengthPrefix{Uint32(0), Uint32(4294967295)}}`,
}, {
raw: dhex("35ffffffff320800000080ffffff7f"),
msg: Message{
Tag{6, Fixed32Type}, Int32(-1),
Tag{6, BytesType}, LengthPrefix{Int32(math.MinInt32), Int32(math.MaxInt32)},
},
wantOutMulti: `Message{
Tag{6, Fixed32}, Int32(-1),
Tag{6, Bytes}, LengthPrefix{Int32(-2147483648), Int32(2147483647)},
}`,
}, {
raw: dhex("3ddb0f49403a1001000000ffff7f7f0000807f000080ff"),
msg: Message{
Tag{7, Fixed32Type}, Float32(math.Pi),
Tag{7, BytesType}, LengthPrefix{Float32(math.SmallestNonzeroFloat32), Float32(math.MaxFloat32), Float32(math.Inf(+1)), Float32(math.Inf(-1))},
},
wantOutSource: `protopack.Message{
protopack.Tag{7, protopack.Fixed32Type}, protopack.Float32(3.1415927),
protopack.Tag{7, protopack.BytesType}, protopack.LengthPrefix{protopack.Float32(1e-45), protopack.Float32(3.4028235e+38), protopack.Float32(math.Inf(+1)), protopack.Float32(math.Inf(-1))},
}`,
}, {
raw: dhex("41010000000000000042100000000000000000ffffffffffffffff"),
msg: Message{
Tag{8, Fixed64Type}, Uint64(+1),
Tag{8, BytesType}, LengthPrefix{Uint64(0), Uint64(math.MaxUint64)},
},
wantOutCompact: `Message{Tag{8, Fixed64}, Uint64(1), Tag{8, Bytes}, LengthPrefix{Uint64(0), Uint64(18446744073709551615)}}`,
}, {
raw: dhex("49ffffffffffffffff4a100000000000000080ffffffffffffff7f"),
msg: Message{
Tag{9, Fixed64Type}, Int64(-1),
Tag{9, BytesType}, LengthPrefix{Int64(math.MinInt64), Int64(math.MaxInt64)},
},
wantOutMulti: `Message{
Tag{9, Fixed64}, Int64(-1),
Tag{9, Bytes}, LengthPrefix{Int64(-9223372036854775808), Int64(9223372036854775807)},
}`,
}, {
raw: dhex("51182d4454fb21094052200100000000000000ffffffffffffef7f000000000000f07f000000000000f0ff"),
msg: Message{
Tag{10, Fixed64Type}, Float64(math.Pi),
Tag{10, BytesType}, LengthPrefix{Float64(math.SmallestNonzeroFloat64), Float64(math.MaxFloat64), Float64(math.Inf(+1)), Float64(math.Inf(-1))},
},
wantOutMulti: `Message{
Tag{10, Fixed64}, Float64(3.141592653589793),
Tag{10, Bytes}, LengthPrefix{Float64(5e-324), Float64(1.7976931348623157e+308), Float64(+Inf), Float64(-Inf)},
}`,
}, {
raw: dhex("5a06737472696e675a868080808000737472696e67"),
msg: Message{
Tag{11, BytesType}, String("string"),
Tag{11, BytesType}, Denormalized{+5, String("string")},
},
wantOutCompact: `Message{Tag{11, Bytes}, String("string"), Tag{11, Bytes}, Denormalized{+5, String("string")}}`,
}, {
raw: dhex("62056279746573628580808080006279746573"),
msg: Message{
Tag{12, BytesType}, Bytes("bytes"),
Tag{12, BytesType}, Denormalized{+5, Bytes("bytes")},
},
wantOutMulti: `Message{
Tag{12, Bytes}, Bytes("bytes"),
Tag{12, Bytes}, Denormalized{+5, Bytes("bytes")},
}`,
}, {
raw: dhex("6a28a006ffffffffffffffffff01a506ffffffffa106ffffffffffffffffa206056279746573a306a406"),
msg: Message{
Tag{13, BytesType}, LengthPrefix(Message{
Tag{100, VarintType}, Uvarint(math.MaxUint64),
Tag{100, Fixed32Type}, Uint32(math.MaxUint32),
Tag{100, Fixed64Type}, Uint64(math.MaxUint64),
Tag{100, BytesType}, Bytes("bytes"),
Tag{100, StartGroupType}, Tag{100, EndGroupType},
}),
},
wantOutSource: `protopack.Message{
protopack.Tag{13, protopack.BytesType}, protopack.LengthPrefix(protopack.Message{
protopack.Tag{100, protopack.VarintType}, protopack.Uvarint(18446744073709551615),
protopack.Tag{100, protopack.Fixed32Type}, protopack.Uint32(4294967295),
protopack.Tag{100, protopack.Fixed64Type}, protopack.Uint64(18446744073709551615),
protopack.Tag{100, protopack.BytesType}, protopack.Bytes("bytes"),
protopack.Tag{100, protopack.StartGroupType},
protopack.Tag{100, protopack.EndGroupType},
}),
}`,
}, {
raw: dhex("6aa88080808000a006ffffffffffffffffff01a506ffffffffa106ffffffffffffffffa206056279746573a306a406"),
msg: Message{
Tag{13, BytesType}, Denormalized{5, LengthPrefix(Message{
Tag{100, VarintType}, Uvarint(math.MaxUint64),
Tag{100, Fixed32Type}, Uint32(math.MaxUint32),
Tag{100, Fixed64Type}, Uint64(math.MaxUint64),
Tag{100, BytesType}, Bytes("bytes"),
Tag{100, StartGroupType}, Tag{100, EndGroupType},
})},
},
wantOutCompact: `Message{Tag{13, Bytes}, Denormalized{+5, LengthPrefix(Message{Tag{100, Varint}, Uvarint(18446744073709551615), Tag{100, Fixed32}, Uint32(4294967295), Tag{100, Fixed64}, Uint64(18446744073709551615), Tag{100, Bytes}, Bytes("bytes"), Tag{100, StartGroup}, Tag{100, EndGroup}})}}`,
}, {
raw: dhex("73a006ffffffffffffffffff01a506ffffffffa106ffffffffffffffffa206056279746573a306a40674"),
msg: Message{
Tag{14, StartGroupType}, Message{
Tag{100, VarintType}, Uvarint(math.MaxUint64),
Tag{100, Fixed32Type}, Uint32(math.MaxUint32),
Tag{100, Fixed64Type}, Uint64(math.MaxUint64),
Tag{100, BytesType}, Bytes("bytes"),
Tag{100, StartGroupType}, Tag{100, EndGroupType},
},
Tag{14, EndGroupType},
},
wantOutMulti: `Message{
Tag{14, StartGroup},
Message{
Tag{100, Varint}, Uvarint(18446744073709551615),
Tag{100, Fixed32}, Uint32(4294967295),
Tag{100, Fixed64}, Uint64(18446744073709551615),
Tag{100, Bytes}, Bytes("bytes"),
Tag{100, StartGroup},
Tag{100, EndGroup},
},
Tag{14, EndGroup},
}`,
}, {
raw: dhex("d0faa972cd02a5f09051c2d8aa0d6a26a89c311eddef024b423c0f6f47b64227a1600db56e3f73d4113096c9a88e2b99f2d847516853d76a1a6e9811c85a2ab3"),
msg: Message{
Tag{29970346, VarintType}, Uvarint(333),
Tag{21268228, Fixed32Type}, Uint32(229300418),
Tag{13, BytesType}, LengthPrefix(Message{
Tag{100805, VarintType}, Uvarint(30),
Tag{5883, Fixed32Type}, Uint32(255607371),
Tag{13, Type(7)},
Raw("G\xb6B'\xa1`\r\xb5n?s\xd4\x110\x96ɨ\x8e+\x99\xf2\xd8GQhS"),
}),
Tag{1706, Type(7)},
Raw("\x1an\x98\x11\xc8Z*\xb3"),
},
}, {
raw: dhex("3d08d0e57f"),
msg: Message{
Tag{7, Fixed32Type}, Float32(math.Float32frombits(
// TODO: Remove workaround for compiler bug (see https://golang.org/issues/27193).
func() uint32 { return 0x7fe5d008 }(),
)),
},
wantOutSource: `protopack.Message{
protopack.Tag{7, protopack.Fixed32Type}, protopack.Float32(math.Float32frombits(0x7fe5d008)),
}`,
}, {
raw: dhex("51a8d65110771bf97f"),
msg: Message{
Tag{10, Fixed64Type}, Float64(math.Float64frombits(0x7ff91b771051d6a8)),
},
wantOutSource: `protopack.Message{
protopack.Tag{10, protopack.Fixed64Type}, protopack.Float64(math.Float64frombits(0x7ff91b771051d6a8)),
}`,
}, {
raw: dhex("ab2c14481ab3e9a76d937fb4dd5e6c616ef311f62b7fe888785fca5609ffe81c1064e50dd7a9edb408d317e2891c0d54c719446938d41ab0ccf8e61dc28b0ebb"),
msg: Message{
Tag{709, StartGroupType},
Tag{2, EndGroupType},
Tag{9, VarintType}, Uvarint(26),
Tag{28655254, StartGroupType},
Message{
Tag{2034, StartGroupType},
Tag{194006, EndGroupType},
},
Tag{13, EndGroupType},
Tag{12, Fixed64Type}, Uint64(9865274810543764334),
Tag{15, VarintType}, Uvarint(95),
Tag{1385, BytesType}, Bytes("\xff\xe8\x1c\x10d\xe5\rש"),
Tag{17229, Fixed32Type}, Uint32(2313295827),
Tag{3, EndGroupType},
Tag{1, Fixed32Type}, Uint32(1142540116),
Tag{13, Fixed64Type}, Uint64(2154683029754926136),
Tag{28856, BytesType},
Raw("\xbb"),
},
}, {
raw: dhex("29baa4ac1c1e0a20183393bac434b8d3559337ec940050038770eaa9937f98e4"),
msg: Message{
Tag{5, Fixed64Type}, Uint64(1738400580611384506),
Tag{6, StartGroupType},
Message{
Tag{13771682, StartGroupType},
Message{
Tag{175415, VarintType}, Uvarint(7059),
},
Denormalized{+1, Tag{333, EndGroupType}},
Tag{10, VarintType}, Uvarint(3),
Tag{1792, Type(7)},
Raw("꩓\u007f\x98\xe4"),
},
},
}}
equateFloatBits := cmp.Options{
cmp.Comparer(func(x, y Float32) bool {
return math.Float32bits(float32(x)) == math.Float32bits(float32(y))
}),
cmp.Comparer(func(x, y Float64) bool {
return math.Float64bits(float64(x)) == math.Float64bits(float64(y))
}),
}
for _, tt := range tests {
t.Run("", func(t *testing.T) {
var msg Message
raw := tt.msg.Marshal()
msg.UnmarshalDescriptor(tt.raw, msgDesc)
if !bytes.Equal(raw, tt.raw) {
t.Errorf("Marshal() mismatch:\ngot %x\nwant %x", raw, tt.raw)
}
if !cmp.Equal(msg, tt.msg, equateFloatBits) {
t.Errorf("Unmarshal() mismatch:\ngot %+v\nwant %+v", msg, tt.msg)
}
if got, want := tt.msg.Size(), len(tt.raw); got != want {
t.Errorf("Size() = %v, want %v", got, want)
}
if tt.wantOutCompact != "" {
gotOut := fmt.Sprintf("%v", tt.msg)
if string(gotOut) != tt.wantOutCompact {
t.Errorf("fmt.Sprintf(%q, msg):\ngot: %s\nwant: %s", "%v", gotOut, tt.wantOutCompact)
}
}
if tt.wantOutMulti != "" {
gotOut := fmt.Sprintf("%+v", tt.msg)
if string(gotOut) != tt.wantOutMulti {
t.Errorf("fmt.Sprintf(%q, msg):\ngot: %s\nwant: %s", "%+v", gotOut, tt.wantOutMulti)
}
}
if tt.wantOutSource != "" {
gotOut := fmt.Sprintf("%#v", tt.msg)
if string(gotOut) != tt.wantOutSource {
t.Errorf("fmt.Sprintf(%q, msg):\ngot: %s\nwant: %s", "%#v", gotOut, tt.wantOutSource)
}
}
})
}
}