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 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/pixty/gogoprotobuf/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
}
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 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 (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 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.
}
// (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/pixty/gogoprotobuf/proto"
pb "github.com/pixty/gogoprotobuf/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")},