forked from TrueCloudLab/restic
300 lines
7.8 KiB
Go
300 lines
7.8 KiB
Go
// Go support for Protocol Buffers - Google's data interchange format
|
|
//
|
|
// Copyright 2011 The Go Authors. All rights reserved.
|
|
// https://github.com/golang/protobuf
|
|
//
|
|
// Redistribution and use in source and binary forms, with or without
|
|
// modification, are permitted provided that the following conditions are
|
|
// met:
|
|
//
|
|
// * Redistributions of source code must retain the above copyright
|
|
// notice, this list of conditions and the following disclaimer.
|
|
// * Redistributions in binary form must reproduce the above
|
|
// copyright notice, this list of conditions and the following disclaimer
|
|
// in the documentation and/or other materials provided with the
|
|
// distribution.
|
|
// * Neither the name of Google Inc. nor the names of its
|
|
// contributors may be used to endorse or promote products derived from
|
|
// this software without specific prior written permission.
|
|
//
|
|
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
|
|
package proto_test
|
|
|
|
import (
|
|
"testing"
|
|
|
|
"github.com/golang/protobuf/proto"
|
|
|
|
proto3pb "github.com/golang/protobuf/proto/proto3_proto"
|
|
pb "github.com/golang/protobuf/proto/testdata"
|
|
)
|
|
|
|
var cloneTestMessage = &pb.MyMessage{
|
|
Count: proto.Int32(42),
|
|
Name: proto.String("Dave"),
|
|
Pet: []string{"bunny", "kitty", "horsey"},
|
|
Inner: &pb.InnerMessage{
|
|
Host: proto.String("niles"),
|
|
Port: proto.Int32(9099),
|
|
Connected: proto.Bool(true),
|
|
},
|
|
Others: []*pb.OtherMessage{
|
|
{
|
|
Value: []byte("some bytes"),
|
|
},
|
|
},
|
|
Somegroup: &pb.MyMessage_SomeGroup{
|
|
GroupField: proto.Int32(6),
|
|
},
|
|
RepBytes: [][]byte{[]byte("sham"), []byte("wow")},
|
|
}
|
|
|
|
func init() {
|
|
ext := &pb.Ext{
|
|
Data: proto.String("extension"),
|
|
}
|
|
if err := proto.SetExtension(cloneTestMessage, pb.E_Ext_More, ext); err != nil {
|
|
panic("SetExtension: " + err.Error())
|
|
}
|
|
}
|
|
|
|
func TestClone(t *testing.T) {
|
|
m := proto.Clone(cloneTestMessage).(*pb.MyMessage)
|
|
if !proto.Equal(m, cloneTestMessage) {
|
|
t.Errorf("Clone(%v) = %v", cloneTestMessage, m)
|
|
}
|
|
|
|
// Verify it was a deep copy.
|
|
*m.Inner.Port++
|
|
if proto.Equal(m, cloneTestMessage) {
|
|
t.Error("Mutating clone changed the original")
|
|
}
|
|
// Byte fields and repeated fields should be copied.
|
|
if &m.Pet[0] == &cloneTestMessage.Pet[0] {
|
|
t.Error("Pet: repeated field not copied")
|
|
}
|
|
if &m.Others[0] == &cloneTestMessage.Others[0] {
|
|
t.Error("Others: repeated field not copied")
|
|
}
|
|
if &m.Others[0].Value[0] == &cloneTestMessage.Others[0].Value[0] {
|
|
t.Error("Others[0].Value: bytes field not copied")
|
|
}
|
|
if &m.RepBytes[0] == &cloneTestMessage.RepBytes[0] {
|
|
t.Error("RepBytes: repeated field not copied")
|
|
}
|
|
if &m.RepBytes[0][0] == &cloneTestMessage.RepBytes[0][0] {
|
|
t.Error("RepBytes[0]: bytes field not copied")
|
|
}
|
|
}
|
|
|
|
func TestCloneNil(t *testing.T) {
|
|
var m *pb.MyMessage
|
|
if c := proto.Clone(m); !proto.Equal(m, c) {
|
|
t.Errorf("Clone(%v) = %v", m, c)
|
|
}
|
|
}
|
|
|
|
var mergeTests = []struct {
|
|
src, dst, want proto.Message
|
|
}{
|
|
{
|
|
src: &pb.MyMessage{
|
|
Count: proto.Int32(42),
|
|
},
|
|
dst: &pb.MyMessage{
|
|
Name: proto.String("Dave"),
|
|
},
|
|
want: &pb.MyMessage{
|
|
Count: proto.Int32(42),
|
|
Name: proto.String("Dave"),
|
|
},
|
|
},
|
|
{
|
|
src: &pb.MyMessage{
|
|
Inner: &pb.InnerMessage{
|
|
Host: proto.String("hey"),
|
|
Connected: proto.Bool(true),
|
|
},
|
|
Pet: []string{"horsey"},
|
|
Others: []*pb.OtherMessage{
|
|
{
|
|
Value: []byte("some bytes"),
|
|
},
|
|
},
|
|
},
|
|
dst: &pb.MyMessage{
|
|
Inner: &pb.InnerMessage{
|
|
Host: proto.String("niles"),
|
|
Port: proto.Int32(9099),
|
|
},
|
|
Pet: []string{"bunny", "kitty"},
|
|
Others: []*pb.OtherMessage{
|
|
{
|
|
Key: proto.Int64(31415926535),
|
|
},
|
|
{
|
|
// Explicitly test a src=nil field
|
|
Inner: nil,
|
|
},
|
|
},
|
|
},
|
|
want: &pb.MyMessage{
|
|
Inner: &pb.InnerMessage{
|
|
Host: proto.String("hey"),
|
|
Connected: proto.Bool(true),
|
|
Port: proto.Int32(9099),
|
|
},
|
|
Pet: []string{"bunny", "kitty", "horsey"},
|
|
Others: []*pb.OtherMessage{
|
|
{
|
|
Key: proto.Int64(31415926535),
|
|
},
|
|
{},
|
|
{
|
|
Value: []byte("some bytes"),
|
|
},
|
|
},
|
|
},
|
|
},
|
|
{
|
|
src: &pb.MyMessage{
|
|
RepBytes: [][]byte{[]byte("wow")},
|
|
},
|
|
dst: &pb.MyMessage{
|
|
Somegroup: &pb.MyMessage_SomeGroup{
|
|
GroupField: proto.Int32(6),
|
|
},
|
|
RepBytes: [][]byte{[]byte("sham")},
|
|
},
|
|
want: &pb.MyMessage{
|
|
Somegroup: &pb.MyMessage_SomeGroup{
|
|
GroupField: proto.Int32(6),
|
|
},
|
|
RepBytes: [][]byte{[]byte("sham"), []byte("wow")},
|
|
},
|
|
},
|
|
// Check that a scalar bytes field replaces rather than appends.
|
|
{
|
|
src: &pb.OtherMessage{Value: []byte("foo")},
|
|
dst: &pb.OtherMessage{Value: []byte("bar")},
|
|
want: &pb.OtherMessage{Value: []byte("foo")},
|
|
},
|
|
{
|
|
src: &pb.MessageWithMap{
|
|
NameMapping: map[int32]string{6: "Nigel"},
|
|
MsgMapping: map[int64]*pb.FloatingPoint{
|
|
0x4001: &pb.FloatingPoint{F: proto.Float64(2.0)},
|
|
0x4002: &pb.FloatingPoint{
|
|
F: proto.Float64(2.0),
|
|
},
|
|
},
|
|
ByteMapping: map[bool][]byte{true: []byte("wowsa")},
|
|
},
|
|
dst: &pb.MessageWithMap{
|
|
NameMapping: map[int32]string{
|
|
6: "Bruce", // should be overwritten
|
|
7: "Andrew",
|
|
},
|
|
MsgMapping: map[int64]*pb.FloatingPoint{
|
|
0x4002: &pb.FloatingPoint{
|
|
F: proto.Float64(3.0),
|
|
Exact: proto.Bool(true),
|
|
}, // the entire message should be overwritten
|
|
},
|
|
},
|
|
want: &pb.MessageWithMap{
|
|
NameMapping: map[int32]string{
|
|
6: "Nigel",
|
|
7: "Andrew",
|
|
},
|
|
MsgMapping: map[int64]*pb.FloatingPoint{
|
|
0x4001: &pb.FloatingPoint{F: proto.Float64(2.0)},
|
|
0x4002: &pb.FloatingPoint{
|
|
F: proto.Float64(2.0),
|
|
},
|
|
},
|
|
ByteMapping: map[bool][]byte{true: []byte("wowsa")},
|
|
},
|
|
},
|
|
// proto3 shouldn't merge zero values,
|
|
// in the same way that proto2 shouldn't merge nils.
|
|
{
|
|
src: &proto3pb.Message{
|
|
Name: "Aaron",
|
|
Data: []byte(""), // zero value, but not nil
|
|
},
|
|
dst: &proto3pb.Message{
|
|
HeightInCm: 176,
|
|
Data: []byte("texas!"),
|
|
},
|
|
want: &proto3pb.Message{
|
|
Name: "Aaron",
|
|
HeightInCm: 176,
|
|
Data: []byte("texas!"),
|
|
},
|
|
},
|
|
// Oneof fields should merge by assignment.
|
|
{
|
|
src: &pb.Communique{
|
|
Union: &pb.Communique_Number{41},
|
|
},
|
|
dst: &pb.Communique{
|
|
Union: &pb.Communique_Name{"Bobby Tables"},
|
|
},
|
|
want: &pb.Communique{
|
|
Union: &pb.Communique_Number{41},
|
|
},
|
|
},
|
|
// Oneof nil is the same as not set.
|
|
{
|
|
src: &pb.Communique{},
|
|
dst: &pb.Communique{
|
|
Union: &pb.Communique_Name{"Bobby Tables"},
|
|
},
|
|
want: &pb.Communique{
|
|
Union: &pb.Communique_Name{"Bobby Tables"},
|
|
},
|
|
},
|
|
{
|
|
src: &proto3pb.Message{
|
|
Terrain: map[string]*proto3pb.Nested{
|
|
"kay_a": &proto3pb.Nested{Cute: true}, // replace
|
|
"kay_b": &proto3pb.Nested{Bunny: "rabbit"}, // insert
|
|
},
|
|
},
|
|
dst: &proto3pb.Message{
|
|
Terrain: map[string]*proto3pb.Nested{
|
|
"kay_a": &proto3pb.Nested{Bunny: "lost"}, // replaced
|
|
"kay_c": &proto3pb.Nested{Bunny: "bunny"}, // keep
|
|
},
|
|
},
|
|
want: &proto3pb.Message{
|
|
Terrain: map[string]*proto3pb.Nested{
|
|
"kay_a": &proto3pb.Nested{Cute: true},
|
|
"kay_b": &proto3pb.Nested{Bunny: "rabbit"},
|
|
"kay_c": &proto3pb.Nested{Bunny: "bunny"},
|
|
},
|
|
},
|
|
},
|
|
}
|
|
|
|
func TestMerge(t *testing.T) {
|
|
for _, m := range mergeTests {
|
|
got := proto.Clone(m.dst)
|
|
proto.Merge(got, m.src)
|
|
if !proto.Equal(got, m.want) {
|
|
t.Errorf("Merge(%v, %v)\n got %v\nwant %v\n", m.dst, m.src, got, m.want)
|
|
}
|
|
}
|
|
}
|