generate.sh

# Install protoc
# Left as exercise to reader

# Install protoc-gen-gogo and friends
go get github.com/gogo/protobuf/proto
go get github.com/gogo/protobuf/jsonpb
go get github.com/gogo/protobuf/protoc-gen-gogo
go get github.com/gogo/protobuf/gogoproto

protoc ./my/my.proto --gogo_out=:./ -I./ -I.$GOPATH/src

my.proto

syntax = "proto3";

import "github.com/gogo/protobuf/gogoproto/gogo.proto";

option (gogoproto.compare_all) = true;
option (gogoproto.testgen_all) = true;

message Value {
    oneof type {
        int64 type_one = 1;
        uint64 type_two = 2;
    }
}

mypb_test.go

// Code generated by protoc-gen-gogo.
// source: data/data.proto
// DO NOT EDIT!

/*
Package data is a generated protocol buffer package.

It is generated from these files:
	data/data.proto

It has these top-level messages:
	Value
*/
package data

import testing "testing"
import math_rand "math/rand"
import time "time"
import github_com_gogo_protobuf_proto "github.com/gogo/protobuf/proto"
import github_com_gogo_protobuf_jsonpb "github.com/gogo/protobuf/jsonpb"
import proto "github.com/gogo/protobuf/proto"
import fmt "fmt"
import math "math"
import _ "github.com/gogo/protobuf/gogoproto"

// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf

func TestValueProto(t *testing.T) {
	seed := time.Now().UnixNano()
	popr := math_rand.New(math_rand.NewSource(seed))
	p := NewPopulatedValue(popr, false)
	dAtA, err := github_com_gogo_protobuf_proto.Marshal(p)
	if err != nil {
		t.Fatalf("seed = %d, err = %v", seed, err)
	}
	msg := &Value{}
	if err := github_com_gogo_protobuf_proto.Unmarshal(dAtA, msg); err != nil {
		t.Fatalf("seed = %d, err = %v", seed, err)
	}
	littlefuzz := make([]byte, len(dAtA))
	copy(littlefuzz, dAtA)
	for i := range dAtA {
		dAtA[i] = byte(popr.Intn(256))
	}
	if !p.Equal(msg) {
		t.Fatalf("seed = %d, %#v !Proto %#v", seed, msg, p)
	}
	if len(littlefuzz) > 0 {
		fuzzamount := 100
		for i := 0; i < fuzzamount; i++ {
			littlefuzz[popr.Intn(len(littlefuzz))] = byte(popr.Intn(256))
			littlefuzz = append(littlefuzz, byte(popr.Intn(256)))
		}
		// shouldn't panic
		_ = github_com_gogo_protobuf_proto.Unmarshal(littlefuzz, msg)
	}
}

func TestValueJSON(t *testing.T) {
	seed := time.Now().UnixNano()
	popr := math_rand.New(math_rand.NewSource(seed))
	p := NewPopulatedValue(popr, true)
	marshaler := github_com_gogo_protobuf_jsonpb.Marshaler{}
	jsondata, err := marshaler.MarshalToString(p)
	if err != nil {
		t.Fatalf("seed = %d, err = %v", seed, err)
	}
	msg := &Value{}
	err = github_com_gogo_protobuf_jsonpb.UnmarshalString(jsondata, msg)
	if err != nil {
		t.Fatalf("seed = %d, err = %v", seed, err)
	}
	if !p.Equal(msg) {
		t.Fatalf("seed = %d, %#v !Json Equal %#v", seed, msg, p)
	}
}
func TestValueProtoText(t *testing.T) {
	seed := time.Now().UnixNano()
	popr := math_rand.New(math_rand.NewSource(seed))
	p := NewPopulatedValue(popr, true)
	dAtA := github_com_gogo_protobuf_proto.MarshalTextString(p)
	msg := &Value{}
	if err := github_com_gogo_protobuf_proto.UnmarshalText(dAtA, msg); err != nil {
		t.Fatalf("seed = %d, err = %v", seed, err)
	}
	if !p.Equal(msg) {
		t.Fatalf("seed = %d, %#v !Proto %#v", seed, msg, p)
	}
}

func TestValueProtoCompactText(t *testing.T) {
	seed := time.Now().UnixNano()
	popr := math_rand.New(math_rand.NewSource(seed))
	p := NewPopulatedValue(popr, true)
	dAtA := github_com_gogo_protobuf_proto.CompactTextString(p)
	msg := &Value{}
	if err := github_com_gogo_protobuf_proto.UnmarshalText(dAtA, msg); err != nil {
		t.Fatalf("seed = %d, err = %v", seed, err)
	}
	if !p.Equal(msg) {
		t.Fatalf("seed = %d, %#v !Proto %#v", seed, msg, p)
	}
}

func TestValueCompare(t *testing.T) {
	popr := math_rand.New(math_rand.NewSource(time.Now().UnixNano()))
	p := NewPopulatedValue(popr, false)
	dAtA, err := github_com_gogo_protobuf_proto.Marshal(p)
	if err != nil {
		panic(err)
	}
	msg := &Value{}
	if err := github_com_gogo_protobuf_proto.Unmarshal(dAtA, msg); err != nil {
		panic(err)
	}
	if c := p.Compare(msg); c != 0 {
		t.Fatalf("%#v !Compare %#v, since %d", msg, p, c)
	}
	p2 := NewPopulatedValue(popr, false)
	c := p.Compare(p2)
	c2 := p2.Compare(p)
	if c != (-1 * c2) {
		t.Errorf("p.Compare(p2) = %d", c)
		t.Errorf("p2.Compare(p) = %d", c2)
		t.Errorf("p = %#v", p)
		t.Errorf("p2 = %#v", p2)
	}
}

//These tests are generated by github.com/gogo/protobuf/plugin/testgen