| // 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" |
| "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 protoreflect.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[protoreflect.ExtensionType]interface{} |
| }{{ |
| msg: &testpb.TestAllExtensions{}, |
| want: map[protoreflect.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[protoreflect.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[protoreflect.ExtensionType]interface{}) |
| proto.RangeExtensions(tt.msg, func(xt protoreflect.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() |
| } |