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https://github.com/protocolbuffers/protobuf-go.git
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302cb325fb
MessageSets are a deprecated proto1 feature, long since superseded by extensions. Add disabled-by-default support behind flags.Proto1Legacy. Change-Id: I7d3ace07f3b0efd59673034f3dc633b908345a88 Reviewed-on: https://go-review.googlesource.com/c/protobuf/+/185538 Reviewed-by: Joe Tsai <thebrokentoaster@gmail.com>
191 lines
5.8 KiB
Go
191 lines
5.8 KiB
Go
// Copyright 2019 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style.
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// license that can be found in the LICENSE file.
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package proto_test
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import (
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"google.golang.org/protobuf/internal/encoding/pack"
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"google.golang.org/protobuf/internal/flags"
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"google.golang.org/protobuf/proto"
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messagesetpb "google.golang.org/protobuf/internal/testprotos/messageset/messagesetpb"
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msetextpb "google.golang.org/protobuf/internal/testprotos/messageset/msetextpb"
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)
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func init() {
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if flags.Proto1Legacy {
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testProtos = append(testProtos, messageSetTestProtos...)
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}
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}
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var messageSetTestProtos = []testProto{
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{
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desc: "MessageSet type_id before message content",
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decodeTo: []proto.Message{build(
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&messagesetpb.MessageSet{},
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extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
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Ext1Field1: proto.Int32(10),
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}),
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)},
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wire: pack.Message{
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{2, pack.VarintType}, pack.Varint(1000),
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(10),
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}),
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pack.Tag{1, pack.EndGroupType},
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}.Marshal(),
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},
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{
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desc: "MessageSet type_id after message content",
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decodeTo: []proto.Message{build(
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&messagesetpb.MessageSet{},
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extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
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Ext1Field1: proto.Int32(10),
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}),
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)},
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wire: pack.Message{
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(10),
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}),
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pack.Tag{2, pack.VarintType}, pack.Varint(1000),
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pack.Tag{1, pack.EndGroupType},
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}.Marshal(),
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},
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{
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desc: "MessageSet preserves unknown field",
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decodeTo: []proto.Message{build(
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&messagesetpb.MessageSet{},
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extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
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Ext1Field1: proto.Int32(10),
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}),
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unknown(pack.Message{
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pack.Tag{4, pack.VarintType}, pack.Varint(30),
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}.Marshal()),
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)},
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wire: pack.Message{
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{2, pack.VarintType}, pack.Varint(1000),
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(10),
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}),
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pack.Tag{1, pack.EndGroupType},
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// Unknown field
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pack.Tag{4, pack.VarintType}, pack.Varint(30),
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}.Marshal(),
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},
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{
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desc: "MessageSet with unknown type_id",
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decodeTo: []proto.Message{build(
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&messagesetpb.MessageSet{},
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unknown(pack.Message{
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{2, pack.VarintType}, pack.Varint(1002),
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(10),
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}),
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pack.Tag{1, pack.EndGroupType},
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}.Marshal()),
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)},
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wire: pack.Message{
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{2, pack.VarintType}, pack.Varint(1002),
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(10),
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}),
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pack.Tag{1, pack.EndGroupType},
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}.Marshal(),
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},
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{
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desc: "MessageSet merges repeated message fields in item",
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decodeTo: []proto.Message{build(
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&messagesetpb.MessageSet{},
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extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
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Ext1Field1: proto.Int32(10),
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Ext1Field2: proto.Int32(20),
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}),
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)},
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wire: pack.Message{
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{2, pack.VarintType}, pack.Varint(1000),
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(10),
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}),
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{2, pack.VarintType}, pack.Varint(20),
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}),
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pack.Tag{1, pack.EndGroupType},
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}.Marshal(),
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},
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{
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desc: "MessageSet merges message fields in repeated items",
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decodeTo: []proto.Message{build(
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&messagesetpb.MessageSet{},
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extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{
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Ext1Field1: proto.Int32(10),
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Ext1Field2: proto.Int32(20),
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}),
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extend(msetextpb.E_Ext2_MessageSetExtension, &msetextpb.Ext2{
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Ext2Field1: proto.Int32(30),
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}),
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)},
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wire: pack.Message{
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// Ext1, field1
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{2, pack.VarintType}, pack.Varint(1000),
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(10),
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}),
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pack.Tag{1, pack.EndGroupType},
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// Ext2, field1
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{2, pack.VarintType}, pack.Varint(1001),
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(30),
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}),
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pack.Tag{1, pack.EndGroupType},
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// Ext2, field2
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{2, pack.VarintType}, pack.Varint(1000),
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{2, pack.VarintType}, pack.Varint(20),
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}),
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pack.Tag{1, pack.EndGroupType},
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}.Marshal(),
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},
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{
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desc: "MessageSet with missing type_id",
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decodeTo: []proto.Message{build(
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&messagesetpb.MessageSet{},
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unknown(pack.Message{
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(10),
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}),
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pack.Tag{1, pack.EndGroupType},
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}.Marshal()),
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)},
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wire: pack.Message{
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{3, pack.BytesType}, pack.LengthPrefix(pack.Message{
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pack.Tag{1, pack.VarintType}, pack.Varint(10),
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}),
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pack.Tag{1, pack.EndGroupType},
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}.Marshal(),
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},
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{
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desc: "MessageSet with missing message",
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decodeTo: []proto.Message{build(
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&messagesetpb.MessageSet{},
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extend(msetextpb.E_Ext1_MessageSetExtension, &msetextpb.Ext1{}),
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)},
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wire: pack.Message{
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pack.Tag{1, pack.StartGroupType},
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pack.Tag{2, pack.VarintType}, pack.Varint(1000),
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pack.Tag{1, pack.EndGroupType},
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}.Marshal(),
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},
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}
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