Exemple #1
0
func init() {
	if err := proto.SetExtension(realNumber, pb.E_Name, &realNumberName); err != nil {
		panic(err)
	}
	if err := proto.SetExtension(realNumber, pb.E_Complex_RealExtension, complexNumber); err != nil {
		panic(err)
	}
}
Exemple #2
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func newTestMessage() *pb.MyMessage {
	msg := &pb.MyMessage{
		Count: proto.Int32(42),
		Name:  proto.String("Dave"),
		Quote: proto.String(`"I didn't want to go."`),
		Pet:   []string{"bunny", "kitty", "horsey"},
		Inner: &pb.InnerMessage{
			Host:      proto.String("footrest.syd"),
			Port:      proto.Int32(7001),
			Connected: proto.Bool(true),
		},
		Others: []*pb.OtherMessage{
			{
				Key:   proto.Int64(0xdeadbeef),
				Value: []byte{1, 65, 7, 12},
			},
			{
				Weight: proto.Float32(6.022),
				Inner: &pb.InnerMessage{
					Host: proto.String("lesha.mtv"),
					Port: proto.Int32(8002),
				},
			},
		},
		Bikeshed: pb.MyMessage_BLUE.Enum(),
		Somegroup: &pb.MyMessage_SomeGroup{
			GroupField: proto.Int32(8),
		},
		// One normally wouldn't do this.
		// This is an undeclared tag 13, as a varint (wire type 0) with value 4.
		XXX_unrecognized: []byte{13<<3 | 0, 4},
	}
	ext := &pb.Ext{
		Data: proto.String("Big gobs for big rats"),
	}
	if err := proto.SetExtension(msg, pb.E_Ext_More, ext); err != nil {
		panic(err)
	}
	greetings := []string{"adg", "easy", "cow"}
	if err := proto.SetExtension(msg, pb.E_Greeting, greetings); err != nil {
		panic(err)
	}

	// Add an unknown extension. We marshal a pb.Ext, and fake the ID.
	b, err := proto.Marshal(&pb.Ext{Data: proto.String("3G skiing")})
	if err != nil {
		panic(err)
	}
	b = append(proto.EncodeVarint(201<<3|proto.WireBytes), b...)
	proto.SetRawExtension(msg, 201, b)

	// Extensions can be plain fields, too, so let's test that.
	b = append(proto.EncodeVarint(202<<3|proto.WireVarint), 19)
	proto.SetRawExtension(msg, 202, b)

	return msg
}
Exemple #3
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func TestNilExtension(t *testing.T) {
	msg := &pb.MyMessage{
		Count: proto.Int32(1),
	}
	if err := proto.SetExtension(msg, pb.E_Ext_Text, proto.String("hello")); err != nil {
		t.Fatal(err)
	}
	if err := proto.SetExtension(msg, pb.E_Ext_More, (*pb.Ext)(nil)); err == nil {
		t.Error("expected SetExtension to fail due to a nil extension")
	} else if want := "proto: SetExtension called with nil value of type *testdata.Ext"; err.Error() != want {
		t.Errorf("expected error %v, got %v", want, err)
	}
	// Note: if the behavior of Marshal is ever changed to ignore nil extensions, update
	// this test to verify that E_Ext_Text is properly propagated through marshal->unmarshal.
}
Exemple #4
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func TestGetExtensionStability(t *testing.T) {
	check := func(m *pb.MyMessage) bool {
		ext1, err := proto.GetExtension(m, pb.E_Ext_More)
		if err != nil {
			t.Fatalf("GetExtension() failed: %s", err)
		}
		ext2, err := proto.GetExtension(m, pb.E_Ext_More)
		if err != nil {
			t.Fatalf("GetExtension() failed: %s", err)
		}
		return ext1 == ext2
	}
	msg := &pb.MyMessage{Count: proto.Int32(4)}
	ext0 := &pb.Ext{}
	if err := proto.SetExtension(msg, pb.E_Ext_More, ext0); err != nil {
		t.Fatalf("Could not set ext1: %s", ext0)
	}
	if !check(msg) {
		t.Errorf("GetExtension() not stable before marshaling")
	}
	bb, err := proto.Marshal(msg)
	if err != nil {
		t.Fatalf("Marshal() failed: %s", err)
	}
	msg1 := &pb.MyMessage{}
	err = proto.Unmarshal(bb, msg1)
	if err != nil {
		t.Fatalf("Unmarshal() failed: %s", err)
	}
	if !check(msg1) {
		t.Errorf("GetExtension() not stable after unmarshaling")
	}
}
Exemple #5
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func TestRepeatedExtensionsMsgsIssue161(t *testing.T) {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	rep := 10
	nins := make([]*NinOptNative, rep)
	for i := range nins {
		nins[i] = NewPopulatedNinOptNative(r, true)
	}
	input := &MyExtendable{}
	if err := proto.SetExtension(input, E_FieldE, nins); err != nil {
		t.Fatal(err)
	}
	data, err := proto.Marshal(input)
	if err != nil {
		t.Fatal(err)
	}
	output := &MyExtendable{}
	if err := proto.Unmarshal(data, output); err != nil {
		t.Fatal(err)
	}
	if !input.Equal(output) {
		t.Fatal("expected equal")
	}
	data2, err2 := proto.Marshal(output)
	if err2 != nil {
		t.Fatal(err2)
	}
	if len(data) != len(data2) {
		t.Fatal("expected equal length buffers")
	}
}
Exemple #6
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//See another version of this test in proto/extensions_test.go
func TestGetExtensionStability(t *testing.T) {
	check := func(m *NoExtensionsMap) bool {
		ext1, err := proto.GetExtension(m, E_FieldB1)
		if err != nil {
			t.Fatalf("GetExtension() failed: %s", err)
		}
		ext2, err := proto.GetExtension(m, E_FieldB1)
		if err != nil {
			t.Fatalf("GetExtension() failed: %s", err)
		}
		return ext1.(*NinOptNative).Equal(ext2)
	}
	msg := &NoExtensionsMap{Field1: proto.Int64(2)}
	ext0 := &NinOptNative{Field1: proto.Float64(1)}
	if err := proto.SetExtension(msg, E_FieldB1, ext0); err != nil {
		t.Fatalf("Could not set ext1: %s", ext0)
	}
	if !check(msg) {
		t.Errorf("GetExtension() not stable before marshaling")
	}
	bb, err := proto.Marshal(msg)
	if err != nil {
		t.Fatalf("Marshal() failed: %s", err)
	}
	msg1 := &NoExtensionsMap{}
	err = proto.Unmarshal(bb, msg1)
	if err != nil {
		t.Fatalf("Unmarshal() failed: %s", err)
	}
	if !check(msg1) {
		t.Errorf("GetExtension() not stable after unmarshaling")
	}
}
Exemple #7
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func TestRepeatedExtensionsFieldsIssue161(t *testing.T) {
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	rep := 10
	ints := make([]int64, rep)
	for i := range ints {
		ints[i] = r.Int63()
	}
	input := &MyExtendable{}
	if err := proto.SetExtension(input, E_FieldD, ints); err != nil {
		t.Fatal(err)
	}
	data, err := proto.Marshal(input)
	if err != nil {
		t.Fatal(err)
	}
	output := &MyExtendable{}
	if err := proto.Unmarshal(data, output); err != nil {
		t.Fatal(err)
	}
	if !input.Equal(output) {
		t.Fatal("expected equal")
	}
	data2, err2 := proto.Marshal(output)
	if err2 != nil {
		t.Fatal(err2)
	}
	if len(data) != len(data2) {
		t.Fatal("expected equal length buffers")
	}
}
Exemple #8
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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())
	}
}
Exemple #9
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func TestExtensionsNoExtensionsMapSetExtension(t *testing.T) {
	m := NewPopulatedNoExtensionsMap(extr, false)
	err := proto.SetExtension(m, E_FieldA1, &fieldA)
	if err != nil {
		panic(err)
	}
	check(t, m, fieldA, E_FieldA1)
}
Exemple #10
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func TestExtensionsMyExtendable(t *testing.T) {
	m := NewPopulatedMyExtendable(extr, false)
	err := proto.SetExtension(m, E_FieldA, &fieldA)
	if err != nil {
		panic(err)
	}
	check(t, m, fieldA, E_FieldA)
	proto.SetRawExtension(m, 100, fieldABytes)
	check(t, m, fieldA, E_FieldA)
}
Exemple #11
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func TestExtensionsRoundTrip(t *testing.T) {
	msg := &pb.MyMessage{}
	ext1 := &pb.Ext{
		Data: proto.String("hi"),
	}
	ext2 := &pb.Ext{
		Data: proto.String("there"),
	}
	exists := proto.HasExtension(msg, pb.E_Ext_More)
	if exists {
		t.Error("Extension More present unexpectedly")
	}
	if err := proto.SetExtension(msg, pb.E_Ext_More, ext1); err != nil {
		t.Error(err)
	}
	if err := proto.SetExtension(msg, pb.E_Ext_More, ext2); err != nil {
		t.Error(err)
	}
	e, err := proto.GetExtension(msg, pb.E_Ext_More)
	if err != nil {
		t.Error(err)
	}
	x, ok := e.(*pb.Ext)
	if !ok {
		t.Errorf("e has type %T, expected testdata.Ext", e)
	} else if *x.Data != "there" {
		t.Errorf("SetExtension failed to overwrite, got %+v, not 'there'", x)
	}
	proto.ClearExtension(msg, pb.E_Ext_More)
	if _, err = proto.GetExtension(msg, pb.E_Ext_More); err != proto.ErrMissingExtension {
		t.Errorf("got %v, expected ErrMissingExtension", e)
	}
	if _, err := proto.GetExtension(msg, pb.E_X215); err == nil {
		t.Error("expected bad extension error, got nil")
	}
	if err := proto.SetExtension(msg, pb.E_X215, 12); err == nil {
		t.Error("expected extension err")
	}
	if err := proto.SetExtension(msg, pb.E_Ext_More, 12); err == nil {
		t.Error("expected some sort of type mismatch error, got nil")
	}
}
Exemple #12
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func TestExtensionDescsWithMissingExtensions(t *testing.T) {
	msg := &pb.MyMessage{Count: proto.Int32(0)}
	extdesc1 := pb.E_Ext_More
	if descs, err := proto.ExtensionDescs(msg); len(descs) != 0 || err != nil {
		t.Errorf("proto.ExtensionDescs: got %d descs, error %v; want 0, nil", len(descs), err)
	}

	ext1 := &pb.Ext{}
	if err := proto.SetExtension(msg, extdesc1, ext1); err != nil {
		t.Fatalf("Could not set ext1: %s", err)
	}
	extdesc2 := &proto.ExtensionDesc{
		ExtendedType:  (*pb.MyMessage)(nil),
		ExtensionType: (*bool)(nil),
		Field:         123456789,
		Name:          "a.b",
		Tag:           "varint,123456789,opt",
	}
	ext2 := proto.Bool(false)
	if err := proto.SetExtension(msg, extdesc2, ext2); err != nil {
		t.Fatalf("Could not set ext2: %s", err)
	}

	b, err := proto.Marshal(msg)
	if err != nil {
		t.Fatalf("Could not marshal msg: %v", err)
	}
	if err = proto.Unmarshal(b, msg); err != nil {
		t.Fatalf("Could not unmarshal into msg: %v", err)
	}

	descs, err := proto.ExtensionDescs(msg)
	if err != nil {
		t.Fatalf("proto.ExtensionDescs: got error %v", err)
	}
	sortExtDescs(descs)
	wantDescs := []*proto.ExtensionDesc{extdesc1, {Field: extdesc2.Field}}
	if !reflect.DeepEqual(descs, wantDescs) {
		t.Errorf("proto.ExtensionDescs(msg) sorted extension ids: got %+v, want %+v", descs, wantDescs)
	}
}
Exemple #13
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func (g *Generator) GetMapValueField(field, valField *descriptor.FieldDescriptorProto) *descriptor.FieldDescriptorProto {
	if gogoproto.IsCustomType(field) && gogoproto.IsCastValue(field) {
		g.Fail("cannot have a customtype and casttype: ", field.String())
	}
	valField = proto.Clone(valField).(*descriptor.FieldDescriptorProto)
	if valField.Options == nil {
		valField.Options = &descriptor.FieldOptions{}
	}

	stdtime := gogoproto.IsStdTime(field)
	if stdtime {
		if err := proto.SetExtension(valField.Options, gogoproto.E_Stdtime, &stdtime); err != nil {
			g.Fail(err.Error())
		}
	}

	stddur := gogoproto.IsStdDuration(field)
	if stddur {
		if err := proto.SetExtension(valField.Options, gogoproto.E_Stdduration, &stddur); err != nil {
			g.Fail(err.Error())
		}
	}

	if valType := gogoproto.GetCastValue(field); len(valType) > 0 {
		if err := proto.SetExtension(valField.Options, gogoproto.E_Casttype, &valType); err != nil {
			g.Fail(err.Error())
		}
	}
	if valType := gogoproto.GetCustomType(field); len(valType) > 0 {
		if err := proto.SetExtension(valField.Options, gogoproto.E_Customtype, &valType); err != nil {
			g.Fail(err.Error())
		}
	}

	nullable := gogoproto.IsNullable(field)
	if err := proto.SetExtension(valField.Options, gogoproto.E_Nullable, &nullable); err != nil {
		g.Fail(err.Error())
	}
	return valField
}
Exemple #14
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func SetBoolEnumOption(extension *proto.ExtensionDesc, value bool) func(enum *descriptor.EnumDescriptorProto) {
	return func(enum *descriptor.EnumDescriptorProto) {
		if EnumHasBoolExtension(enum, extension) {
			return
		}
		if enum.Options == nil {
			enum.Options = &descriptor.EnumOptions{}
		}
		if err := proto.SetExtension(enum.Options, extension, &value); err != nil {
			panic(err)
		}
	}
}
Exemple #15
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func SetBoolMessageOption(extension *proto.ExtensionDesc, value bool) func(msg *descriptor.DescriptorProto) {
	return func(msg *descriptor.DescriptorProto) {
		if MessageHasBoolExtension(msg, extension) {
			return
		}
		if msg.Options == nil {
			msg.Options = &descriptor.MessageOptions{}
		}
		if err := proto.SetExtension(msg.Options, extension, &value); err != nil {
			panic(err)
		}
	}
}
Exemple #16
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func SetBoolFileOption(extension *proto.ExtensionDesc, value bool) func(file *descriptor.FileDescriptorProto) {
	return func(file *descriptor.FileDescriptorProto) {
		if FileHasBoolExtension(file, extension) {
			return
		}
		if file.Options == nil {
			file.Options = &descriptor.FileOptions{}
		}
		if err := proto.SetExtension(file.Options, extension, &value); err != nil {
			panic(err)
		}
	}
}
Exemple #17
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func (g *Generator) GetMapKeyField(field, keyField *descriptor.FieldDescriptorProto) *descriptor.FieldDescriptorProto {
	if !gogoproto.IsCastKey(field) {
		return keyField
	}
	keyField = proto.Clone(keyField).(*descriptor.FieldDescriptorProto)
	if keyField.Options == nil {
		keyField.Options = &descriptor.FieldOptions{}
	}
	keyType := gogoproto.GetCastKey(field)
	if err := proto.SetExtension(keyField.Options, gogoproto.E_Casttype, &keyType); err != nil {
		g.Fail(err.Error())
	}
	return keyField
}
Exemple #18
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func TestGetExtensionsWithMissingExtensions(t *testing.T) {
	msg := &pb.MyMessage{}
	ext1 := &pb.Ext{}
	if err := proto.SetExtension(msg, pb.E_Ext_More, ext1); err != nil {
		t.Fatalf("Could not set ext1: %s", err)
	}
	exts, err := proto.GetExtensions(msg, []*proto.ExtensionDesc{
		pb.E_Ext_More,
		pb.E_Ext_Text,
	})
	if err != nil {
		t.Fatalf("GetExtensions() failed: %s", err)
	}
	if exts[0] != ext1 {
		t.Errorf("ext1 not in returned extensions: %T %v", exts[0], exts[0])
	}
	if exts[1] != nil {
		t.Errorf("ext2 in returned extensions: %T %v", exts[1], exts[1])
	}
}
Exemple #19
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func TestClearAllExtensions(t *testing.T) {
	// unregistered extension
	desc := &proto.ExtensionDesc{
		ExtendedType:  (*pb.MyMessage)(nil),
		ExtensionType: (*bool)(nil),
		Field:         101010100,
		Name:          "emptyextension",
		Tag:           "varint,0,opt",
	}
	m := &pb.MyMessage{}
	if proto.HasExtension(m, desc) {
		t.Errorf("proto.HasExtension(%s): got true, want false", proto.MarshalTextString(m))
	}
	if err := proto.SetExtension(m, desc, proto.Bool(true)); err != nil {
		t.Errorf("proto.SetExtension(m, desc, true): got error %q, want nil", err)
	}
	if !proto.HasExtension(m, desc) {
		t.Errorf("proto.HasExtension(%s): got false, want true", proto.MarshalTextString(m))
	}
	proto.ClearAllExtensions(m)
	if proto.HasExtension(m, desc) {
		t.Errorf("proto.HasExtension(%s): got true, want false", proto.MarshalTextString(m))
	}
}
Exemple #20
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func makeGolden() []golden {
	nested := &pb.Nested{Bunny: "Monty"}
	nb, err := proto.Marshal(nested)
	if err != nil {
		panic(err)
	}
	m1 := &pb.Message{
		Name:        "David",
		ResultCount: 47,
		Anything:    &types.Any{TypeUrl: "type.googleapis.com/" + proto.MessageName(nested), Value: nb},
	}
	m2 := &pb.Message{
		Name:        "David",
		ResultCount: 47,
		Anything:    &types.Any{TypeUrl: "http://[::1]/type.googleapis.com/" + proto.MessageName(nested), Value: nb},
	}
	m3 := &pb.Message{
		Name:        "David",
		ResultCount: 47,
		Anything:    &types.Any{TypeUrl: `type.googleapis.com/"/` + proto.MessageName(nested), Value: nb},
	}
	m4 := &pb.Message{
		Name:        "David",
		ResultCount: 47,
		Anything:    &types.Any{TypeUrl: "type.googleapis.com/a/path/" + proto.MessageName(nested), Value: nb},
	}
	m5 := &types.Any{TypeUrl: "type.googleapis.com/" + proto.MessageName(nested), Value: nb}

	any1 := &testpb.MyMessage{Count: proto.Int32(47), Name: proto.String("David")}
	proto.SetExtension(any1, testpb.E_Ext_More, &testpb.Ext{Data: proto.String("foo")})
	proto.SetExtension(any1, testpb.E_Ext_Text, proto.String("bar"))
	any1b, err := proto.Marshal(any1)
	if err != nil {
		panic(err)
	}
	any2 := &testpb.MyMessage{Count: proto.Int32(42), Bikeshed: testpb.MyMessage_GREEN.Enum(), RepBytes: [][]byte{[]byte("roboto")}}
	proto.SetExtension(any2, testpb.E_Ext_More, &testpb.Ext{Data: proto.String("baz")})
	any2b, err := proto.Marshal(any2)
	if err != nil {
		panic(err)
	}
	m6 := &pb.Message{
		Name:        "David",
		ResultCount: 47,
		Anything:    &types.Any{TypeUrl: "type.googleapis.com/" + proto.MessageName(any1), Value: any1b},
		ManyThings: []*types.Any{
			{TypeUrl: "type.googleapis.com/" + proto.MessageName(any2), Value: any2b},
			{TypeUrl: "type.googleapis.com/" + proto.MessageName(any1), Value: any1b},
		},
	}

	const (
		m1Golden = `
name: "David"
result_count: 47
anything: <
  [type.googleapis.com/proto3_proto.Nested]: <
    bunny: "Monty"
  >
>
`
		m2Golden = `
name: "David"
result_count: 47
anything: <
  ["http://[::1]/type.googleapis.com/proto3_proto.Nested"]: <
    bunny: "Monty"
  >
>
`
		m3Golden = `
name: "David"
result_count: 47
anything: <
  ["type.googleapis.com/\"/proto3_proto.Nested"]: <
    bunny: "Monty"
  >
>
`
		m4Golden = `
name: "David"
result_count: 47
anything: <
  [type.googleapis.com/a/path/proto3_proto.Nested]: <
    bunny: "Monty"
  >
>
`
		m5Golden = `
[type.googleapis.com/proto3_proto.Nested]: <
  bunny: "Monty"
>
`
		m6Golden = `
name: "David"
result_count: 47
anything: <
  [type.googleapis.com/testdata.MyMessage]: <
    count: 47
    name: "David"
    [testdata.Ext.more]: <
      data: "foo"
    >
    [testdata.Ext.text]: "bar"
  >
>
many_things: <
  [type.googleapis.com/testdata.MyMessage]: <
    count: 42
    bikeshed: GREEN
    rep_bytes: "roboto"
    [testdata.Ext.more]: <
      data: "baz"
    >
  >
>
many_things: <
  [type.googleapis.com/testdata.MyMessage]: <
    count: 47
    name: "David"
    [testdata.Ext.more]: <
      data: "foo"
    >
    [testdata.Ext.text]: "bar"
  >
>
`
	)
	return []golden{
		{m1, strings.TrimSpace(m1Golden) + "\n", strings.TrimSpace(compact(m1Golden)) + " "},
		{m2, strings.TrimSpace(m2Golden) + "\n", strings.TrimSpace(compact(m2Golden)) + " "},
		{m3, strings.TrimSpace(m3Golden) + "\n", strings.TrimSpace(compact(m3Golden)) + " "},
		{m4, strings.TrimSpace(m4Golden) + "\n", strings.TrimSpace(compact(m4Golden)) + " "},
		{m5, strings.TrimSpace(m5Golden) + "\n", strings.TrimSpace(compact(m5Golden)) + " "},
		{m6, strings.TrimSpace(m6Golden) + "\n", strings.TrimSpace(compact(m6Golden)) + " "},
	}
}
Exemple #21
0
func TestUnmarshalRepeatingNonRepeatedExtension(t *testing.T) {
	// We may see multiple instances of the same extension in the wire
	// format. For example, the proto compiler may encode custom options in
	// this way. Here, we verify that we merge the extensions together.
	tests := []struct {
		name string
		ext  []*pb.ComplexExtension
	}{
		{
			"two fields",
			[]*pb.ComplexExtension{
				{First: proto.Int32(7)},
				{Second: proto.Int32(11)},
			},
		},
		{
			"repeated field",
			[]*pb.ComplexExtension{
				{Third: []int32{1000}},
				{Third: []int32{2000}},
			},
		},
		{
			"two fields and repeated field",
			[]*pb.ComplexExtension{
				{Third: []int32{1000}},
				{First: proto.Int32(9)},
				{Second: proto.Int32(21)},
				{Third: []int32{2000}},
			},
		},
	}
	for _, test := range tests {
		var buf bytes.Buffer
		var want pb.ComplexExtension

		// Generate a serialized representation of a repeated extension
		// by catenating bytes together.
		for i, e := range test.ext {
			// Merge to create the wanted proto.
			proto.Merge(&want, e)

			// serialize the message
			msg := new(pb.OtherMessage)
			err := proto.SetExtension(msg, pb.E_Complex, e)
			if err != nil {
				t.Fatalf("[%s] Error setting extension %d: %v", test.name, i, err)
			}
			b, err := proto.Marshal(msg)
			if err != nil {
				t.Fatalf("[%s] Error marshaling message %d: %v", test.name, i, err)
			}
			buf.Write(b)
		}

		// Unmarshal and read the merged proto.
		msg2 := new(pb.OtherMessage)
		err := proto.Unmarshal(buf.Bytes(), msg2)
		if err != nil {
			t.Fatalf("[%s] Error unmarshaling message: %v", test.name, err)
		}
		e, err := proto.GetExtension(msg2, pb.E_Complex)
		if err != nil {
			t.Fatalf("[%s] Error getting extension: %v", test.name, err)
		}
		ext := e.(*pb.ComplexExtension)
		if ext == nil {
			t.Fatalf("[%s] Invalid extension", test.name)
		}
		if !reflect.DeepEqual(*ext, want) {
			t.Errorf("[%s] Wrong value for ComplexExtension: got: %v want: %v\n", test.name, ext, want)
		}
	}
}
Exemple #22
0
func TestMarshalUnmarshalRepeatedExtension(t *testing.T) {
	// Add a repeated extension to the result.
	tests := []struct {
		name string
		ext  []*pb.ComplexExtension
	}{
		{
			"two fields",
			[]*pb.ComplexExtension{
				{First: proto.Int32(7)},
				{Second: proto.Int32(11)},
			},
		},
		{
			"repeated field",
			[]*pb.ComplexExtension{
				{Third: []int32{1000}},
				{Third: []int32{2000}},
			},
		},
		{
			"two fields and repeated field",
			[]*pb.ComplexExtension{
				{Third: []int32{1000}},
				{First: proto.Int32(9)},
				{Second: proto.Int32(21)},
				{Third: []int32{2000}},
			},
		},
	}
	for _, test := range tests {
		// Marshal message with a repeated extension.
		msg1 := new(pb.OtherMessage)
		err := proto.SetExtension(msg1, pb.E_RComplex, test.ext)
		if err != nil {
			t.Fatalf("[%s] Error setting extension: %v", test.name, err)
		}
		b, err := proto.Marshal(msg1)
		if err != nil {
			t.Fatalf("[%s] Error marshaling message: %v", test.name, err)
		}

		// Unmarshal and read the merged proto.
		msg2 := new(pb.OtherMessage)
		err = proto.Unmarshal(b, msg2)
		if err != nil {
			t.Fatalf("[%s] Error unmarshaling message: %v", test.name, err)
		}
		e, err := proto.GetExtension(msg2, pb.E_RComplex)
		if err != nil {
			t.Fatalf("[%s] Error getting extension: %v", test.name, err)
		}
		ext := e.([]*pb.ComplexExtension)
		if ext == nil {
			t.Fatalf("[%s] Invalid extension", test.name)
		}
		if !reflect.DeepEqual(ext, test.ext) {
			t.Errorf("[%s] Wrong value for ComplexExtension: got: %v want: %v\n", test.name, ext, test.ext)
		}
	}
}
Exemple #23
0
func TestGetExtensionDefaults(t *testing.T) {
	var setFloat64 float64 = 1
	var setFloat32 float32 = 2
	var setInt32 int32 = 3
	var setInt64 int64 = 4
	var setUint32 uint32 = 5
	var setUint64 uint64 = 6
	var setBool = true
	var setBool2 = false
	var setString = "Goodnight string"
	var setBytes = []byte("Goodnight bytes")
	var setEnum = pb.DefaultsMessage_TWO

	type testcase struct {
		ext  *proto.ExtensionDesc // Extension we are testing.
		want interface{}          // Expected value of extension, or nil (meaning that GetExtension will fail).
		def  interface{}          // Expected value of extension after ClearExtension().
	}
	tests := []testcase{
		{pb.E_NoDefaultDouble, setFloat64, nil},
		{pb.E_NoDefaultFloat, setFloat32, nil},
		{pb.E_NoDefaultInt32, setInt32, nil},
		{pb.E_NoDefaultInt64, setInt64, nil},
		{pb.E_NoDefaultUint32, setUint32, nil},
		{pb.E_NoDefaultUint64, setUint64, nil},
		{pb.E_NoDefaultSint32, setInt32, nil},
		{pb.E_NoDefaultSint64, setInt64, nil},
		{pb.E_NoDefaultFixed32, setUint32, nil},
		{pb.E_NoDefaultFixed64, setUint64, nil},
		{pb.E_NoDefaultSfixed32, setInt32, nil},
		{pb.E_NoDefaultSfixed64, setInt64, nil},
		{pb.E_NoDefaultBool, setBool, nil},
		{pb.E_NoDefaultBool, setBool2, nil},
		{pb.E_NoDefaultString, setString, nil},
		{pb.E_NoDefaultBytes, setBytes, nil},
		{pb.E_NoDefaultEnum, setEnum, nil},
		{pb.E_DefaultDouble, setFloat64, float64(3.1415)},
		{pb.E_DefaultFloat, setFloat32, float32(3.14)},
		{pb.E_DefaultInt32, setInt32, int32(42)},
		{pb.E_DefaultInt64, setInt64, int64(43)},
		{pb.E_DefaultUint32, setUint32, uint32(44)},
		{pb.E_DefaultUint64, setUint64, uint64(45)},
		{pb.E_DefaultSint32, setInt32, int32(46)},
		{pb.E_DefaultSint64, setInt64, int64(47)},
		{pb.E_DefaultFixed32, setUint32, uint32(48)},
		{pb.E_DefaultFixed64, setUint64, uint64(49)},
		{pb.E_DefaultSfixed32, setInt32, int32(50)},
		{pb.E_DefaultSfixed64, setInt64, int64(51)},
		{pb.E_DefaultBool, setBool, true},
		{pb.E_DefaultBool, setBool2, true},
		{pb.E_DefaultString, setString, "Hello, string"},
		{pb.E_DefaultBytes, setBytes, []byte("Hello, bytes")},
		{pb.E_DefaultEnum, setEnum, pb.DefaultsMessage_ONE},
	}

	checkVal := func(test testcase, msg *pb.DefaultsMessage, valWant interface{}) error {
		val, err := proto.GetExtension(msg, test.ext)
		if err != nil {
			if valWant != nil {
				return fmt.Errorf("GetExtension(): %s", err)
			}
			if want := proto.ErrMissingExtension; err != want {
				return fmt.Errorf("Unexpected error: got %v, want %v", err, want)
			}
			return nil
		}

		// All proto2 extension values are either a pointer to a value or a slice of values.
		ty := reflect.TypeOf(val)
		tyWant := reflect.TypeOf(test.ext.ExtensionType)
		if got, want := ty, tyWant; got != want {
			return fmt.Errorf("unexpected reflect.TypeOf(): got %v want %v", got, want)
		}
		tye := ty.Elem()
		tyeWant := tyWant.Elem()
		if got, want := tye, tyeWant; got != want {
			return fmt.Errorf("unexpected reflect.TypeOf().Elem(): got %v want %v", got, want)
		}

		// Check the name of the type of the value.
		// If it is an enum it will be type int32 with the name of the enum.
		if got, want := tye.Name(), tye.Name(); got != want {
			return fmt.Errorf("unexpected reflect.TypeOf().Elem().Name(): got %v want %v", got, want)
		}

		// Check that value is what we expect.
		// If we have a pointer in val, get the value it points to.
		valExp := val
		if ty.Kind() == reflect.Ptr {
			valExp = reflect.ValueOf(val).Elem().Interface()
		}
		if got, want := valExp, valWant; !reflect.DeepEqual(got, want) {
			return fmt.Errorf("unexpected reflect.DeepEqual(): got %v want %v", got, want)
		}

		return nil
	}

	setTo := func(test testcase) interface{} {
		setTo := reflect.ValueOf(test.want)
		if typ := reflect.TypeOf(test.ext.ExtensionType); typ.Kind() == reflect.Ptr {
			setTo = reflect.New(typ).Elem()
			setTo.Set(reflect.New(setTo.Type().Elem()))
			setTo.Elem().Set(reflect.ValueOf(test.want))
		}
		return setTo.Interface()
	}

	for _, test := range tests {
		msg := &pb.DefaultsMessage{}
		name := test.ext.Name

		// Check the initial value.
		if err := checkVal(test, msg, test.def); err != nil {
			t.Errorf("%s: %v", name, err)
		}

		// Set the per-type value and check value.
		name = fmt.Sprintf("%s (set to %T %v)", name, test.want, test.want)
		if err := proto.SetExtension(msg, test.ext, setTo(test)); err != nil {
			t.Errorf("%s: SetExtension(): %v", name, err)
			continue
		}
		if err := checkVal(test, msg, test.want); err != nil {
			t.Errorf("%s: %v", name, err)
			continue
		}

		// Set and check the value.
		name += " (cleared)"
		proto.ClearExtension(msg, test.ext)
		if err := checkVal(test, msg, test.def); err != nil {
			t.Errorf("%s: %v", name, err)
		}
	}
}