Exemple #1
0
func Generate(req *plugin.CodeGeneratorRequest) *plugin.CodeGeneratorResponse {
	// Begin by allocating a generator. The request and response structures are stored there
	// so we can do error handling easily - the response structure contains the field to
	// report failure.
	g := generator.New()
	g.Request = req

	g.CommandLineParameters(g.Request.GetParameter())

	// Create a wrapped version of the Descriptors and EnumDescriptors that
	// point to the file that defines them.
	g.WrapTypes()

	g.SetPackageNames()
	g.BuildTypeNameMap()

	g.GenerateAllFiles()

	gtest := generator.New()

	data, err := proto.Marshal(req)
	if err != nil {
		g.Error(err, "failed to marshal modified proto")
	}
	if err := proto.Unmarshal(data, gtest.Request); err != nil {
		g.Error(err, "parsing modified proto")
	}

	if len(gtest.Request.FileToGenerate) == 0 {
		gtest.Fail("no files to generate")
	}

	gtest.CommandLineParameters(gtest.Request.GetParameter())

	// Create a wrapped version of the Descriptors and EnumDescriptors that
	// point to the file that defines them.
	gtest.WrapTypes()

	gtest.SetPackageNames()
	gtest.BuildTypeNameMap()

	gtest.GeneratePlugin(testgen.NewPlugin())

	for i := 0; i < len(gtest.Response.File); i++ {
		if strings.Contains(*gtest.Response.File[i].Content, `//These tests are generated by github.com/yoyowallet/protobuf/plugin/testgen`) {
			gtest.Response.File[i].Name = proto.String(strings.Replace(*gtest.Response.File[i].Name, ".pb.go", "pb_test.go", -1))
			g.Response.File = append(g.Response.File, gtest.Response.File[i])
		}
	}

	for i := 0; i < len(g.Response.File); i++ {
		formatted, err := format.Source([]byte(g.Response.File[i].GetContent()))
		if err != nil {
			g.Error(err, "go format error")
		}
		fmts := string(formatted)
		g.Response.File[i].Content = &fmts
	}
	return g.Response
}
Exemple #2
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func TestOldUnoM(t *testing.T) {
	popr := math_rand.New(math_rand.NewSource(time.Now().UnixNano()))
	older := NewPopulatedOldUnoM(popr, true)
	// need optional field to be always initialized, to check it's lost in this test
	older.Field1 = proto.String(randStringUnrecognized(popr))
	data1, err := proto.Marshal(older)
	if err != nil {
		panic(err)
	}

	newer := &UnoM{}
	if err := proto.Unmarshal(data1, newer); err != nil {
		panic(err)
	}
	data2, err := proto.Marshal(newer)
	if err != nil {
		panic(err)
	}

	older2 := &OldUnoM{}
	if err := proto.Unmarshal(data2, older2); err != nil {
		panic(err)
	}

	// check that Field1 is lost
	if older2.Field1 != nil {
		t.Fatalf("field must be lost, but it's not, older: %#v, older2: %#v", older, older2)
	}

	// now restore Field1 and messages should be equal now
	older2.Field1 = older.Field1
	if err := older.VerboseEqual(older2); err != nil {
		t.Fatalf("%#v !VerboseProto %#v, since %v", older, older2, err)
	}
}
func TestUnmarshalPartiallyPopulatedOptionalFieldsFails(t *testing.T) {
	// Fill in all fields, then randomly remove one.
	dataOut := &test.NinOptNative{
		Field1:  proto.Float64(0),
		Field2:  proto.Float32(0),
		Field3:  proto.Int32(0),
		Field4:  proto.Int64(0),
		Field5:  proto.Uint32(0),
		Field6:  proto.Uint64(0),
		Field7:  proto.Int32(0),
		Field8:  proto.Int64(0),
		Field9:  proto.Uint32(0),
		Field10: proto.Int32(0),
		Field11: proto.Uint64(0),
		Field12: proto.Int64(0),
		Field13: proto.Bool(false),
		Field14: proto.String("0"),
		Field15: []byte("0"),
	}
	r := rand.New(rand.NewSource(time.Now().UnixNano()))
	fieldName := "Field" + strconv.Itoa(r.Intn(15)+1)
	field := reflect.ValueOf(dataOut).Elem().FieldByName(fieldName)
	fieldType := field.Type()
	field.Set(reflect.Zero(fieldType))
	encodedMessage, err := proto.Marshal(dataOut)
	if err != nil {
		t.Fatalf("Unexpected error when marshalling dataOut: %v", err)
	}
	dataIn := NidOptNative{}
	err = proto.Unmarshal(encodedMessage, &dataIn)
	if err.Error() != `proto: required field "`+fieldName+`" not set` {
		t.Fatalf(`err.Error() != "proto: required field "`+fieldName+`" not set"; was "%s" instead`, err.Error())
	}
}
Exemple #4
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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 #5
0
func TestStringEscaping(t *testing.T) {
	testCases := []struct {
		in  *pb.Strings
		out string
	}{
		{
			// Test data from C++ test (TextFormatTest.StringEscape).
			// Single divergence: we don't escape apostrophes.
			&pb.Strings{StringField: proto.String("\"A string with ' characters \n and \r newlines and \t tabs and \001 slashes \\ and  multiple   spaces")},
			"string_field: \"\\\"A string with ' characters \\n and \\r newlines and \\t tabs and \\001 slashes \\\\ and  multiple   spaces\"\n",
		},
		{
			// Test data from the same C++ test.
			&pb.Strings{StringField: proto.String("\350\260\267\346\255\214")},
			"string_field: \"\\350\\260\\267\\346\\255\\214\"\n",
		},
		{
			// Some UTF-8.
			&pb.Strings{StringField: proto.String("\x00\x01\xff\x81")},
			`string_field: "\000\001\377\201"` + "\n",
		},
	}

	for i, tc := range testCases {
		var buf bytes.Buffer
		if err := proto.MarshalText(&buf, tc.in); err != nil {
			t.Errorf("proto.MarsalText: %v", err)
			continue
		}
		s := buf.String()
		if s != tc.out {
			t.Errorf("#%d: Got:\n%s\nExpected:\n%s\n", i, s, tc.out)
			continue
		}

		// Check round-trip.
		pb := new(pb.Strings)
		if err := proto.UnmarshalText(s, pb); err != nil {
			t.Errorf("#%d: UnmarshalText: %v", i, err)
			continue
		}
		if !proto.Equal(pb, tc.in) {
			t.Errorf("#%d: Round-trip failed:\nstart: %v\n  end: %v", i, tc.in, pb)
		}
	}
}
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")
	}
}
func TestMarshalToSucceedsWhenRequiredFieldIsPresent(t *testing.T) {
	data := RequiredExample{
		TheRequiredString: proto.String("present"),
	}
	buf, err := proto.Marshal(&data)
	if err != nil {
		t.Fatalf("err != nil; was %v instead", err)
	}
	if len(buf) == 0 {
		t.Fatalf(`len(buf) == 0; expected nonzero`)
	}
}
Exemple #8
0
func (g *Generator) GeneratePlugin(p Plugin) {
	p.Init(g)
	// Generate the output. The generator runs for every file, even the files
	// that we don't generate output for, so that we can collate the full list
	// of exported symbols to support public imports.
	genFileMap := make(map[*FileDescriptor]bool, len(g.genFiles))
	for _, file := range g.genFiles {
		genFileMap[file] = true
	}
	i := 0
	for _, file := range g.allFiles {
		g.Reset()
		g.generatePlugin(file, p)
		if _, ok := genFileMap[file]; !ok {
			continue
		}
		g.Response.File[i] = new(plugin.CodeGeneratorResponse_File)
		g.Response.File[i].Name = proto.String(goFileName(*file.Name))
		g.Response.File[i].Content = proto.String(g.String())
		i++
	}
}
func TestUnmarshalSucceedsWhenRequiredIsNotPresent(t *testing.T) {
	dataOut := RequiredExample{
		TheRequiredString: proto.String("present"),
	}
	encodedMessage, err := proto.Marshal(&dataOut)
	if err != nil {
		t.Fatalf("Unexpected error when marshalling dataOut: %v", err)
	}
	dataIn := RequiredExample{}
	err = proto.Unmarshal(encodedMessage, &dataIn)
	if err != nil {
		t.Fatalf("err != nil; was %v instead", err)
	}
}
Exemple #10
0
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
}
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 #12
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func TestRepeatedNilText(t *testing.T) {
	m := &pb.MessageList{
		Message: []*pb.MessageList_Message{
			nil,
			{
				Name: proto.String("Horse"),
			},
			nil,
		},
	}
	want := `Message <nil>
Message {
  name: "Horse"
}
Message <nil>
`
	if s := proto.MarshalTextString(m); s != want {
		t.Errorf(" got: %s\nwant: %s", s, want)
	}
}
Exemple #13
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func TestTextOneof(t *testing.T) {
	tests := []struct {
		m    proto.Message
		want string
	}{
		// zero message
		{&pb.Communique{}, ``},
		// scalar field
		{&pb.Communique{Union: &pb.Communique_Number{Number: 4}}, `number:4`},
		// message field
		{&pb.Communique{Union: &pb.Communique_Msg{
			Msg: &pb.Strings{StringField: proto.String("why hello!")},
		}}, `msg:<string_field:"why hello!" >`},
		// bad oneof (should not panic)
		{&pb.Communique{Union: &pb.Communique_Msg{Msg: nil}}, `msg:/* nil */`},
	}
	for _, test := range tests {
		got := strings.TrimSpace(test.m.String())
		if got != test.want {
			t.Errorf("\n got %s\nwant %s", got, test.want)
		}
	}
}
Exemple #14
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	marshalerAllOptions = Marshaler{
		EnumsAsString: true,
		Indent:        "  ",
	}

	simpleObject = &pb.Simple{
		OInt32:  proto.Int32(-32),
		OInt64:  proto.Int64(-6400000000),
		OUint32: proto.Uint32(32),
		OUint64: proto.Uint64(6400000000),
		OSint32: proto.Int32(-13),
		OSint64: proto.Int64(-2600000000),
		OFloat:  proto.Float32(3.14),
		ODouble: proto.Float64(6.02214179e23),
		OBool:   proto.Bool(true),
		OString: proto.String("hello \"there\""),
		OBytes:  []byte("beep boop"),
	}

	simpleObjectJSON = `{` +
		`"o_bool":true,` +
		`"o_int32":-32,` +
		`"o_int64":-6400000000,` +
		`"o_uint32":32,` +
		`"o_uint64":6400000000,` +
		`"o_sint32":-13,` +
		`"o_sint64":-2600000000,` +
		`"o_float":3.14,` +
		`"o_double":6.02214179e+23,` +
		`"o_string":"hello \"there\"",` +
		`"o_bytes":"YmVlcCBib29w"` +
Exemple #15
0
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

package proto_test

import (
	"testing"

	"github.com/yoyowallet/protobuf/proto"

	proto3pb "github.com/yoyowallet/protobuf/proto/proto3_proto"
	pb "github.com/yoyowallet/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")},