| // 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" | |
| "google.golang.org/protobuf/reflect/protodesc" | |
| "google.golang.org/protobuf/reflect/protoreflect" | |
| "google.golang.org/protobuf/types/descriptorpb" | |
| ) | |
| var msgDesc = func() protoreflect.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 := protodesc.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 | |
| msgDesc protoreflect.MessageDescriptor | |
| inferMsg bool | |
| 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)}}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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("080088808080800002088280808080000a09010002828080808000"), | |
| msg: Message{ | |
| Tag{1, VarintType}, Uvarint(0), | |
| Denormalized{5, Tag{1, VarintType}}, Uvarint(2), | |
| Tag{1, VarintType}, Denormalized{5, Uvarint(2)}, | |
| Tag{1, BytesType}, Bytes(Message{Bool(true), Bool(false), Uvarint(2), Denormalized{5, Uvarint(2)}}.Marshal()), | |
| }, | |
| inferMsg: true, | |
| }, { | |
| 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)}}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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)}}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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)}}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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)}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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)}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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))}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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)}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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)}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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))}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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")}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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")}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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}, | |
| }), | |
| }, | |
| msgDesc: msgDesc, | |
| 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("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}, | |
| }), | |
| }, | |
| inferMsg: true, | |
| }, { | |
| raw: dhex("6a28a006ffffffffffffffffff01a506ffffffffa106ffffffffffffffffa206056279746573a306ac06"), | |
| msg: Message{ | |
| Tag{13, BytesType}, Bytes(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{101, EndGroupType}, | |
| }.Marshal()), | |
| }, | |
| inferMsg: true, | |
| }, { | |
| 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}, | |
| })}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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}, | |
| }, | |
| msgDesc: msgDesc, | |
| 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"), | |
| }, | |
| msgDesc: msgDesc, | |
| }, { | |
| 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 }(), | |
| )), | |
| }, | |
| msgDesc: msgDesc, | |
| 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)), | |
| }, | |
| msgDesc: msgDesc, | |
| 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"), | |
| }, | |
| msgDesc: msgDesc, | |
| }, { | |
| 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"), | |
| }, | |
| }, | |
| msgDesc: msgDesc, | |
| }} | |
| 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.unmarshal(tt.raw, tt.msgDesc, tt.inferMsg) | |
| if !bytes.Equal(raw, tt.raw) { | |
| t.Errorf("Marshal() mismatch:\ngot %x\nwant %x", raw, tt.raw) | |
| } | |
| if diff := cmp.Diff(tt.msg, msg, equateFloatBits); diff != "" { | |
| t.Errorf("Unmarshal() mismatch (-want +got):\n%s", diff) | |
| } | |
| 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) | |
| } | |
| } | |
| }) | |
| } | |
| } |