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// Copyright 2019 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 proto_test
import (
"fmt"
"reflect"
"sync"
"testing"
"github.com/google/go-cmp/cmp"
"google.golang.org/protobuf/proto"
"google.golang.org/protobuf/reflect/protoreflect"
pref "google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/runtime/protoimpl"
"google.golang.org/protobuf/testing/protocmp"
legacy1pb "google.golang.org/protobuf/internal/testprotos/legacy/proto2_20160225_2fc053c5"
testpb "google.golang.org/protobuf/internal/testprotos/test"
test3pb "google.golang.org/protobuf/internal/testprotos/test3"
descpb "google.golang.org/protobuf/types/descriptorpb"
)
func TestExtensionFuncs(t *testing.T) {
for _, test := range []struct {
message proto.Message
ext pref.ExtensionType
wantDefault interface{}
value interface{}
}{
{
message: &testpb.TestAllExtensions{},
ext: testpb.E_OptionalInt32,
wantDefault: int32(0),
value: int32(1),
},
{
message: &testpb.TestAllExtensions{},
ext: testpb.E_RepeatedString,
wantDefault: ([]string)(nil),
value: []string{"a", "b", "c"},
},
{
message: protoimpl.X.MessageOf(&legacy1pb.Message{}).Interface(),
ext: legacy1pb.E_Message_ExtensionOptionalBool,
wantDefault: false,
value: true,
},
} {
desc := fmt.Sprintf("Extension %v, value %v", test.ext.TypeDescriptor().FullName(), test.value)
if proto.HasExtension(test.message, test.ext) {
t.Errorf("%v:\nbefore setting extension HasExtension(...) = true, want false", desc)
}
got := proto.GetExtension(test.message, test.ext)
if d := cmp.Diff(test.wantDefault, got); d != "" {
t.Errorf("%v:\nbefore setting extension GetExtension(...) returns unexpected value (-want,+got):\n%v", desc, d)
}
proto.SetExtension(test.message, test.ext, test.value)
if !proto.HasExtension(test.message, test.ext) {
t.Errorf("%v:\nafter setting extension HasExtension(...) = false, want true", desc)
}
got = proto.GetExtension(test.message, test.ext)
if d := cmp.Diff(test.value, got); d != "" {
t.Errorf("%v:\nafter setting extension GetExtension(...) returns unexpected value (-want,+got):\n%v", desc, d)
}
proto.ClearExtension(test.message, test.ext)
if proto.HasExtension(test.message, test.ext) {
t.Errorf("%v:\nafter clearing extension HasExtension(...) = true, want false", desc)
}
}
}
func TestIsValid(t *testing.T) {
tests := []struct {
xt protoreflect.ExtensionType
vi interface{}
want bool
}{
{testpb.E_OptionalBool, nil, false},
{testpb.E_OptionalBool, bool(true), true},
{testpb.E_OptionalBool, new(bool), false},
{testpb.E_OptionalInt32, nil, false},
{testpb.E_OptionalInt32, int32(0), true},
{testpb.E_OptionalInt32, new(int32), false},
{testpb.E_OptionalInt64, nil, false},
{testpb.E_OptionalInt64, int64(0), true},
{testpb.E_OptionalInt64, new(int64), false},
{testpb.E_OptionalUint32, nil, false},
{testpb.E_OptionalUint32, uint32(0), true},
{testpb.E_OptionalUint32, new(uint32), false},
{testpb.E_OptionalUint64, nil, false},
{testpb.E_OptionalUint64, uint64(0), true},
{testpb.E_OptionalUint64, new(uint64), false},
{testpb.E_OptionalFloat, nil, false},
{testpb.E_OptionalFloat, float32(0), true},
{testpb.E_OptionalFloat, new(float32), false},
{testpb.E_OptionalDouble, nil, false},
{testpb.E_OptionalDouble, float64(0), true},
{testpb.E_OptionalDouble, new(float32), false},
{testpb.E_OptionalString, nil, false},
{testpb.E_OptionalString, string(""), true},
{testpb.E_OptionalString, new(string), false},
{testpb.E_OptionalNestedEnum, nil, false},
{testpb.E_OptionalNestedEnum, testpb.TestAllTypes_BAZ, true},
{testpb.E_OptionalNestedEnum, testpb.TestAllTypes_BAZ.Enum(), false},
{testpb.E_OptionalNestedMessage, nil, false},
{testpb.E_OptionalNestedMessage, (*testpb.TestAllExtensions_NestedMessage)(nil), true},
{testpb.E_OptionalNestedMessage, new(testpb.TestAllExtensions_NestedMessage), true},
{testpb.E_OptionalNestedMessage, new(testpb.TestAllExtensions), false},
{testpb.E_RepeatedBool, nil, false},
{testpb.E_RepeatedBool, []bool(nil), true},
{testpb.E_RepeatedBool, []bool{}, true},
{testpb.E_RepeatedBool, []bool{false}, true},
{testpb.E_RepeatedBool, []*bool{}, false},
{testpb.E_RepeatedInt32, nil, false},
{testpb.E_RepeatedInt32, []int32(nil), true},
{testpb.E_RepeatedInt32, []int32{}, true},
{testpb.E_RepeatedInt32, []int32{0}, true},
{testpb.E_RepeatedInt32, []*int32{}, false},
{testpb.E_RepeatedInt64, nil, false},
{testpb.E_RepeatedInt64, []int64(nil), true},
{testpb.E_RepeatedInt64, []int64{}, true},
{testpb.E_RepeatedInt64, []int64{0}, true},
{testpb.E_RepeatedInt64, []*int64{}, false},
{testpb.E_RepeatedUint32, nil, false},
{testpb.E_RepeatedUint32, []uint32(nil), true},
{testpb.E_RepeatedUint32, []uint32{}, true},
{testpb.E_RepeatedUint32, []uint32{0}, true},
{testpb.E_RepeatedUint32, []*uint32{}, false},
{testpb.E_RepeatedUint64, nil, false},
{testpb.E_RepeatedUint64, []uint64(nil), true},
{testpb.E_RepeatedUint64, []uint64{}, true},
{testpb.E_RepeatedUint64, []uint64{0}, true},
{testpb.E_RepeatedUint64, []*uint64{}, false},
{testpb.E_RepeatedFloat, nil, false},
{testpb.E_RepeatedFloat, []float32(nil), true},
{testpb.E_RepeatedFloat, []float32{}, true},
{testpb.E_RepeatedFloat, []float32{0}, true},
{testpb.E_RepeatedFloat, []*float32{}, false},
{testpb.E_RepeatedDouble, nil, false},
{testpb.E_RepeatedDouble, []float64(nil), true},
{testpb.E_RepeatedDouble, []float64{}, true},
{testpb.E_RepeatedDouble, []float64{0}, true},
{testpb.E_RepeatedDouble, []*float64{}, false},
{testpb.E_RepeatedString, nil, false},
{testpb.E_RepeatedString, []string(nil), true},
{testpb.E_RepeatedString, []string{}, true},
{testpb.E_RepeatedString, []string{""}, true},
{testpb.E_RepeatedString, []*string{}, false},
{testpb.E_RepeatedNestedEnum, nil, false},
{testpb.E_RepeatedNestedEnum, []testpb.TestAllTypes_NestedEnum(nil), true},
{testpb.E_RepeatedNestedEnum, []testpb.TestAllTypes_NestedEnum{}, true},
{testpb.E_RepeatedNestedEnum, []testpb.TestAllTypes_NestedEnum{0}, true},
{testpb.E_RepeatedNestedEnum, []*testpb.TestAllTypes_NestedEnum{}, false},
{testpb.E_RepeatedNestedMessage, nil, false},
{testpb.E_RepeatedNestedMessage, []*testpb.TestAllExtensions_NestedMessage(nil), true},
{testpb.E_RepeatedNestedMessage, []*testpb.TestAllExtensions_NestedMessage{}, true},
{testpb.E_RepeatedNestedMessage, []*testpb.TestAllExtensions_NestedMessage{{}}, true},
{testpb.E_RepeatedNestedMessage, []*testpb.TestAllExtensions{}, false},
}
for _, tt := range tests {
// Check the results of IsValidInterface.
got := tt.xt.IsValidInterface(tt.vi)
if got != tt.want {
t.Errorf("%v.IsValidInterface() = %v, want %v", tt.xt.TypeDescriptor().FullName(), got, tt.want)
}
if !got {
continue
}
// Set the extension value and verify the results of Has.
wantHas := true
pv := tt.xt.ValueOf(tt.vi)
switch v := pv.Interface().(type) {
case protoreflect.List:
wantHas = v.Len() > 0
case protoreflect.Message:
wantHas = v.IsValid()
}
m := &testpb.TestAllExtensions{}
proto.SetExtension(m, tt.xt, tt.vi)
gotHas := proto.HasExtension(m, tt.xt)
if gotHas != wantHas {
t.Errorf("HasExtension(%q) = %v, want %v", tt.xt.TypeDescriptor().FullName(), gotHas, wantHas)
}
// Check consistency of IsValidInterface and IsValidValue.
got = tt.xt.IsValidValue(pv)
if got != tt.want {
t.Errorf("%v.IsValidValue() = %v, want %v", tt.xt.TypeDescriptor().FullName(), got, tt.want)
}
if !got {
continue
}
// Use of reflect.DeepEqual is intentional.
// We really do want to ensure that the memory layout is identical.
vi := tt.xt.InterfaceOf(pv)
if !reflect.DeepEqual(vi, tt.vi) {
t.Errorf("InterfaceOf(ValueOf(...)) round-trip mismatch: got %v, want %v", vi, tt.vi)
}
}
}
func TestExtensionRanger(t *testing.T) {
tests := []struct {
msg proto.Message
want map[pref.ExtensionType]interface{}
}{{
msg: &testpb.TestAllExtensions{},
want: map[pref.ExtensionType]interface{}{
testpb.E_OptionalInt32: int32(5),
testpb.E_OptionalString: string("hello"),
testpb.E_OptionalNestedMessage: &testpb.TestAllExtensions_NestedMessage{},
testpb.E_OptionalNestedEnum: testpb.TestAllTypes_BAZ,
testpb.E_RepeatedFloat: []float32{+32.32, -32.32},
testpb.E_RepeatedNestedMessage: []*testpb.TestAllExtensions_NestedMessage{{}},
testpb.E_RepeatedNestedEnum: []testpb.TestAllTypes_NestedEnum{testpb.TestAllTypes_BAZ},
},
}, {
msg: &descpb.MessageOptions{},
want: map[pref.ExtensionType]interface{}{
test3pb.E_OptionalInt32: int32(5),
test3pb.E_OptionalString: string("hello"),
test3pb.E_OptionalForeignMessage: &test3pb.ForeignMessage{},
test3pb.E_OptionalForeignEnum: test3pb.ForeignEnum_FOREIGN_BAR,
test3pb.E_OptionalOptionalInt32: int32(5),
test3pb.E_OptionalOptionalString: string("hello"),
test3pb.E_OptionalOptionalForeignMessage: &test3pb.ForeignMessage{},
test3pb.E_OptionalOptionalForeignEnum: test3pb.ForeignEnum_FOREIGN_BAR,
},
}}
for _, tt := range tests {
for xt, v := range tt.want {
proto.SetExtension(tt.msg, xt, v)
}
got := make(map[pref.ExtensionType]interface{})
proto.RangeExtensions(tt.msg, func(xt pref.ExtensionType, v interface{}) bool {
got[xt] = v
return true
})
if diff := cmp.Diff(tt.want, got, protocmp.Transform()); diff != "" {
t.Errorf("proto.RangeExtensions mismatch (-want +got):\n%s", diff)
}
}
}
func TestExtensionGetRace(t *testing.T) {
// Concurrently fetch an extension value while marshaling the message containing it.
// Create the message with proto.Unmarshal to give lazy extension decoding (if present)
// a chance to occur.
want := int32(42)
m1 := &testpb.TestAllExtensions{}
proto.SetExtension(m1, testpb.E_OptionalNestedMessage, &testpb.TestAllExtensions_NestedMessage{A: proto.Int32(want)})
b, err := proto.Marshal(m1)
if err != nil {
t.Fatal(err)
}
m := &testpb.TestAllExtensions{}
if err := proto.Unmarshal(b, m); err != nil {
t.Fatal(err)
}
var wg sync.WaitGroup
for i := 0; i < 3; i++ {
wg.Add(1)
go func() {
defer wg.Done()
if _, err := proto.Marshal(m); err != nil {
t.Error(err)
}
}()
wg.Add(1)
go func() {
defer wg.Done()
got := proto.GetExtension(m, testpb.E_OptionalNestedMessage).(*testpb.TestAllExtensions_NestedMessage).GetA()
if got != want {
t.Errorf("GetExtension(optional_nested_message).a = %v, want %v", got, want)
}
}()
}
wg.Wait()
}
|
