func (p *test) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool { used := false randPkg := imports.NewImport("math/rand") timePkg := imports.NewImport("time") testingPkg := imports.NewImport("testing") protoPkg := imports.NewImport("github.com/gogo/protobuf/proto") if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) { protoPkg = imports.NewImport("github.com/golang/protobuf/proto") } for _, message := range file.Messages() { ccTypeName := generator.CamelCaseSlice(message.TypeName()) if !gogoproto.HasCompare(file.FileDescriptorProto, message.DescriptorProto) { continue } if message.DescriptorProto.GetOptions().GetMapEntry() { continue } if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) { used = true p.P(`func Test`, ccTypeName, `Compare(t *`, testingPkg.Use(), `.T) {`) p.In() p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(`, timePkg.Use(), `.Now().UnixNano()))`) p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`) p.P(`data, err := `, protoPkg.Use(), `.Marshal(p)`) p.P(`if err != nil {`) p.In() p.P(`panic(err)`) p.Out() p.P(`}`) p.P(`msg := &`, ccTypeName, `{}`) p.P(`if err := `, protoPkg.Use(), `.Unmarshal(data, msg); err != nil {`) p.In() p.P(`panic(err)`) p.Out() p.P(`}`) p.P(`if c := p.Compare(msg); c != 0 {`) p.In() p.P(`t.Fatalf("%#v !Compare %#v, since %d", msg, p, c)`) p.Out() p.P(`}`) p.P(`p2 := NewPopulated`, ccTypeName, `(popr, false)`) p.P(`c := p.Compare(p2)`) p.P(`c2 := p2.Compare(p)`) p.P(`if c != (-1 * c2) {`) p.In() p.P(`t.Errorf("p.Compare(p2) = %d", c)`) p.P(`t.Errorf("p2.Compare(p) = %d", c2)`) p.P(`t.Errorf("p = %#v", p)`) p.P(`t.Errorf("p2 = %#v", p2)`) p.Out() p.P(`}`) p.Out() p.P(`}`) } } return used }
func (p *plugin) Generate(file *generator.FileDescriptor) { p.PluginImports = generator.NewPluginImports(p.Generator) p.fmtPkg = p.NewImport("fmt") p.bytesPkg = p.NewImport("bytes") p.sortkeysPkg = p.NewImport("github.com/gogo/protobuf/sortkeys") for _, msg := range file.Messages() { if msg.DescriptorProto.GetOptions().GetMapEntry() { continue } if gogoproto.HasCompare(file.FileDescriptorProto, msg.DescriptorProto) { p.generateMessage(file, msg) } } }