608 lines
18 KiB
Go
608 lines
18 KiB
Go
// Protocol Buffers for Go with Gadgets
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//
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// Copyright (c) 2013, The GoGo Authors. All rights reserved.
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// http://github.com/gogo/protobuf
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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/*
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The testgen plugin generates Test and Benchmark functions for each message.
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Tests are enabled using the following extensions:
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- testgen
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- testgen_all
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Benchmarks are enabled using the following extensions:
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- benchgen
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- benchgen_all
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Let us look at:
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github.com/gogo/protobuf/test/example/example.proto
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Btw all the output can be seen at:
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github.com/gogo/protobuf/test/example/*
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The following message:
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option (gogoproto.testgen_all) = true;
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option (gogoproto.benchgen_all) = true;
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message A {
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optional string Description = 1 [(gogoproto.nullable) = false];
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optional int64 Number = 2 [(gogoproto.nullable) = false];
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optional bytes Id = 3 [(gogoproto.customtype) = "github.com/gogo/protobuf/test/custom.Uuid", (gogoproto.nullable) = false];
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}
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given to the testgen plugin, will generate the following test code:
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func TestAProto(t *testing.T) {
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popr := math_rand.New(math_rand.NewSource(time.Now().UnixNano()))
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p := NewPopulatedA(popr, false)
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data, err := github_com_gogo_protobuf_proto.Marshal(p)
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if err != nil {
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panic(err)
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}
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msg := &A{}
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if err := github_com_gogo_protobuf_proto.Unmarshal(data, msg); err != nil {
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panic(err)
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}
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for i := range data {
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data[i] = byte(popr.Intn(256))
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}
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if err := p.VerboseEqual(msg); err != nil {
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t.Fatalf("%#v !VerboseProto %#v, since %v", msg, p, err)
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}
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if !p.Equal(msg) {
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t.Fatalf("%#v !Proto %#v", msg, p)
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}
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}
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func BenchmarkAProtoMarshal(b *testing.B) {
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popr := math_rand.New(math_rand.NewSource(616))
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total := 0
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pops := make([]*A, 10000)
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for i := 0; i < 10000; i++ {
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pops[i] = NewPopulatedA(popr, false)
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}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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data, err := github_com_gogo_protobuf_proto.Marshal(pops[i%10000])
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if err != nil {
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panic(err)
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}
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total += len(data)
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}
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b.SetBytes(int64(total / b.N))
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}
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func BenchmarkAProtoUnmarshal(b *testing.B) {
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popr := math_rand.New(math_rand.NewSource(616))
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total := 0
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datas := make([][]byte, 10000)
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for i := 0; i < 10000; i++ {
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data, err := github_com_gogo_protobuf_proto.Marshal(NewPopulatedA(popr, false))
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if err != nil {
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panic(err)
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}
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datas[i] = data
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}
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msg := &A{}
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b.ResetTimer()
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for i := 0; i < b.N; i++ {
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total += len(datas[i%10000])
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if err := github_com_gogo_protobuf_proto.Unmarshal(datas[i%10000], msg); err != nil {
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panic(err)
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}
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}
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b.SetBytes(int64(total / b.N))
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}
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func TestAJSON(t *testing1.T) {
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popr := math_rand1.New(math_rand1.NewSource(time1.Now().UnixNano()))
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p := NewPopulatedA(popr, true)
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jsondata, err := encoding_json.Marshal(p)
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if err != nil {
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panic(err)
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}
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msg := &A{}
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err = encoding_json.Unmarshal(jsondata, msg)
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if err != nil {
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panic(err)
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}
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if err := p.VerboseEqual(msg); err != nil {
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t.Fatalf("%#v !VerboseProto %#v, since %v", msg, p, err)
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}
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if !p.Equal(msg) {
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t.Fatalf("%#v !Json Equal %#v", msg, p)
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}
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}
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func TestAProtoText(t *testing2.T) {
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popr := math_rand2.New(math_rand2.NewSource(time2.Now().UnixNano()))
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p := NewPopulatedA(popr, true)
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data := github_com_gogo_protobuf_proto1.MarshalTextString(p)
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msg := &A{}
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if err := github_com_gogo_protobuf_proto1.UnmarshalText(data, msg); err != nil {
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panic(err)
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}
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if err := p.VerboseEqual(msg); err != nil {
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t.Fatalf("%#v !VerboseProto %#v, since %v", msg, p, err)
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}
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if !p.Equal(msg) {
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t.Fatalf("%#v !Proto %#v", msg, p)
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}
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}
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func TestAProtoCompactText(t *testing2.T) {
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popr := math_rand2.New(math_rand2.NewSource(time2.Now().UnixNano()))
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p := NewPopulatedA(popr, true)
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data := github_com_gogo_protobuf_proto1.CompactTextString(p)
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msg := &A{}
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if err := github_com_gogo_protobuf_proto1.UnmarshalText(data, msg); err != nil {
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panic(err)
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}
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if err := p.VerboseEqual(msg); err != nil {
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t.Fatalf("%#v !VerboseProto %#v, since %v", msg, p, err)
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}
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if !p.Equal(msg) {
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t.Fatalf("%#v !Proto %#v", msg, p)
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}
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}
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Other registered tests are also generated.
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Tests are registered to this test plugin by calling the following function.
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func RegisterTestPlugin(newFunc NewTestPlugin)
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where NewTestPlugin is:
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type NewTestPlugin func(g *generator.Generator) TestPlugin
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and TestPlugin is an interface:
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type TestPlugin interface {
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Generate(imports generator.PluginImports, file *generator.FileDescriptor) (used bool)
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}
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Plugins that use this interface include:
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- populate
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- gostring
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- equal
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- union
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- and more
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Please look at these plugins as examples of how to create your own.
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A good idea is to let each plugin generate its own tests.
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*/
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package testgen
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import (
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"github.com/gogo/protobuf/gogoproto"
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"github.com/gogo/protobuf/protoc-gen-gogo/generator"
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)
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type TestPlugin interface {
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Generate(imports generator.PluginImports, file *generator.FileDescriptor) (used bool)
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}
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type NewTestPlugin func(g *generator.Generator) TestPlugin
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var testplugins = make([]NewTestPlugin, 0)
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func RegisterTestPlugin(newFunc NewTestPlugin) {
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testplugins = append(testplugins, newFunc)
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}
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type plugin struct {
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*generator.Generator
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generator.PluginImports
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tests []TestPlugin
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}
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func NewPlugin() *plugin {
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return &plugin{}
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}
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func (p *plugin) Name() string {
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return "testgen"
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}
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func (p *plugin) Init(g *generator.Generator) {
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p.Generator = g
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p.tests = make([]TestPlugin, 0, len(testplugins))
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for i := range testplugins {
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p.tests = append(p.tests, testplugins[i](g))
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}
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}
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func (p *plugin) Generate(file *generator.FileDescriptor) {
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p.PluginImports = generator.NewPluginImports(p.Generator)
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atLeastOne := false
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for i := range p.tests {
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used := p.tests[i].Generate(p.PluginImports, file)
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if used {
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atLeastOne = true
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}
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}
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if atLeastOne {
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p.P(`//These tests are generated by github.com/gogo/protobuf/plugin/testgen`)
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}
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}
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type testProto struct {
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*generator.Generator
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}
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func newProto(g *generator.Generator) TestPlugin {
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return &testProto{g}
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}
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func (p *testProto) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
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used := false
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testingPkg := imports.NewImport("testing")
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randPkg := imports.NewImport("math/rand")
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timePkg := imports.NewImport("time")
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protoPkg := imports.NewImport("github.com/gogo/protobuf/proto")
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if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
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protoPkg = imports.NewImport("github.com/golang/protobuf/proto")
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}
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for _, message := range file.Messages() {
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ccTypeName := generator.CamelCaseSlice(message.TypeName())
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if message.DescriptorProto.GetOptions().GetMapEntry() {
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continue
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}
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if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
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used = true
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p.P(`func Test`, ccTypeName, `Proto(t *`, testingPkg.Use(), `.T) {`)
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p.In()
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p.P(`seed := `, timePkg.Use(), `.Now().UnixNano()`)
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p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(seed))`)
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p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`)
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p.P(`data, err := `, protoPkg.Use(), `.Marshal(p)`)
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p.P(`if err != nil {`)
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p.In()
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p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
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p.Out()
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p.P(`}`)
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p.P(`msg := &`, ccTypeName, `{}`)
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p.P(`if err := `, protoPkg.Use(), `.Unmarshal(data, msg); err != nil {`)
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p.In()
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p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
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p.Out()
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p.P(`}`)
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p.P(`littlefuzz := make([]byte, len(data))`)
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p.P(`copy(littlefuzz, data)`)
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p.P(`for i := range data {`)
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p.In()
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p.P(`data[i] = byte(popr.Intn(256))`)
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p.Out()
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p.P(`}`)
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if gogoproto.HasVerboseEqual(file.FileDescriptorProto, message.DescriptorProto) {
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p.P(`if err := p.VerboseEqual(msg); err != nil {`)
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p.In()
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p.P(`t.Fatalf("seed = %d, %#v !VerboseProto %#v, since %v", seed, msg, p, err)`)
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p.Out()
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p.P(`}`)
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}
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p.P(`if !p.Equal(msg) {`)
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p.In()
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p.P(`t.Fatalf("seed = %d, %#v !Proto %#v", seed, msg, p)`)
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p.Out()
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p.P(`}`)
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p.P(`if len(littlefuzz) > 0 {`)
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p.In()
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p.P(`fuzzamount := 100`)
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p.P(`for i := 0; i < fuzzamount; i++ {`)
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p.In()
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p.P(`littlefuzz[popr.Intn(len(littlefuzz))] = byte(popr.Intn(256))`)
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p.P(`littlefuzz = append(littlefuzz, byte(popr.Intn(256)))`)
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p.Out()
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p.P(`}`)
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p.P(`// shouldn't panic`)
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p.P(`_ = `, protoPkg.Use(), `.Unmarshal(littlefuzz, msg)`)
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p.Out()
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p.P(`}`)
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p.Out()
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p.P(`}`)
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p.P()
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}
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if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
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if gogoproto.IsMarshaler(file.FileDescriptorProto, message.DescriptorProto) || gogoproto.IsUnsafeMarshaler(file.FileDescriptorProto, message.DescriptorProto) {
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p.P(`func Test`, ccTypeName, `MarshalTo(t *`, testingPkg.Use(), `.T) {`)
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p.In()
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p.P(`seed := `, timePkg.Use(), `.Now().UnixNano()`)
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p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(seed))`)
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p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`)
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if gogoproto.IsProtoSizer(file.FileDescriptorProto, message.DescriptorProto) {
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p.P(`size := p.ProtoSize()`)
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} else {
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p.P(`size := p.Size()`)
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}
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p.P(`data := make([]byte, size)`)
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p.P(`for i := range data {`)
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p.In()
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p.P(`data[i] = byte(popr.Intn(256))`)
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p.Out()
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p.P(`}`)
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p.P(`_, err := p.MarshalTo(data)`)
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p.P(`if err != nil {`)
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p.In()
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p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
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p.Out()
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p.P(`}`)
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p.P(`msg := &`, ccTypeName, `{}`)
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p.P(`if err := `, protoPkg.Use(), `.Unmarshal(data, msg); err != nil {`)
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p.In()
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p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
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p.Out()
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p.P(`}`)
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p.P(`for i := range data {`)
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p.In()
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p.P(`data[i] = byte(popr.Intn(256))`)
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p.Out()
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p.P(`}`)
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if gogoproto.HasVerboseEqual(file.FileDescriptorProto, message.DescriptorProto) {
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p.P(`if err := p.VerboseEqual(msg); err != nil {`)
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p.In()
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p.P(`t.Fatalf("seed = %d, %#v !VerboseProto %#v, since %v", seed, msg, p, err)`)
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p.Out()
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p.P(`}`)
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}
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p.P(`if !p.Equal(msg) {`)
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p.In()
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p.P(`t.Fatalf("seed = %d, %#v !Proto %#v", seed, msg, p)`)
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p.Out()
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p.P(`}`)
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p.Out()
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p.P(`}`)
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p.P()
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}
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}
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if gogoproto.HasBenchGen(file.FileDescriptorProto, message.DescriptorProto) {
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used = true
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p.P(`func Benchmark`, ccTypeName, `ProtoMarshal(b *`, testingPkg.Use(), `.B) {`)
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p.In()
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p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(616))`)
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p.P(`total := 0`)
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p.P(`pops := make([]*`, ccTypeName, `, 10000)`)
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p.P(`for i := 0; i < 10000; i++ {`)
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p.In()
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p.P(`pops[i] = NewPopulated`, ccTypeName, `(popr, false)`)
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p.Out()
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p.P(`}`)
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p.P(`b.ResetTimer()`)
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p.P(`for i := 0; i < b.N; i++ {`)
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p.In()
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p.P(`data, err := `, protoPkg.Use(), `.Marshal(pops[i%10000])`)
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p.P(`if err != nil {`)
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p.In()
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p.P(`panic(err)`)
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p.Out()
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p.P(`}`)
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p.P(`total += len(data)`)
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p.Out()
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p.P(`}`)
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p.P(`b.SetBytes(int64(total / b.N))`)
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p.Out()
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p.P(`}`)
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p.P()
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p.P(`func Benchmark`, ccTypeName, `ProtoUnmarshal(b *`, testingPkg.Use(), `.B) {`)
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p.In()
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p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(616))`)
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p.P(`total := 0`)
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p.P(`datas := make([][]byte, 10000)`)
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p.P(`for i := 0; i < 10000; i++ {`)
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p.In()
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p.P(`data, err := `, protoPkg.Use(), `.Marshal(NewPopulated`, ccTypeName, `(popr, false))`)
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p.P(`if err != nil {`)
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p.In()
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p.P(`panic(err)`)
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p.Out()
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p.P(`}`)
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p.P(`datas[i] = data`)
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p.Out()
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p.P(`}`)
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p.P(`msg := &`, ccTypeName, `{}`)
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p.P(`b.ResetTimer()`)
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p.P(`for i := 0; i < b.N; i++ {`)
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p.In()
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p.P(`total += len(datas[i%10000])`)
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p.P(`if err := `, protoPkg.Use(), `.Unmarshal(datas[i%10000], msg); err != nil {`)
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p.In()
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p.P(`panic(err)`)
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p.Out()
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p.P(`}`)
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p.Out()
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p.P(`}`)
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p.P(`b.SetBytes(int64(total / b.N))`)
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p.Out()
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p.P(`}`)
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p.P()
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}
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}
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return used
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}
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type testJson struct {
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*generator.Generator
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}
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func newJson(g *generator.Generator) TestPlugin {
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return &testJson{g}
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}
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func (p *testJson) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
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used := false
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testingPkg := imports.NewImport("testing")
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randPkg := imports.NewImport("math/rand")
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timePkg := imports.NewImport("time")
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jsonPkg := imports.NewImport("github.com/gogo/protobuf/jsonpb")
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for _, message := range file.Messages() {
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ccTypeName := generator.CamelCaseSlice(message.TypeName())
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if message.DescriptorProto.GetOptions().GetMapEntry() {
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continue
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}
|
|
if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
|
|
used = true
|
|
p.P(`func Test`, ccTypeName, `JSON(t *`, testingPkg.Use(), `.T) {`)
|
|
p.In()
|
|
p.P(`seed := `, timePkg.Use(), `.Now().UnixNano()`)
|
|
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(seed))`)
|
|
p.P(`p := NewPopulated`, ccTypeName, `(popr, true)`)
|
|
p.P(`marshaler := `, jsonPkg.Use(), `.Marshaler{}`)
|
|
p.P(`jsondata, err := marshaler.MarshalToString(p)`)
|
|
p.P(`if err != nil {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
p.P(`msg := &`, ccTypeName, `{}`)
|
|
p.P(`err = `, jsonPkg.Use(), `.UnmarshalString(jsondata, msg)`)
|
|
p.P(`if err != nil {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
if gogoproto.HasVerboseEqual(file.FileDescriptorProto, message.DescriptorProto) {
|
|
p.P(`if err := p.VerboseEqual(msg); err != nil {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, %#v !VerboseProto %#v, since %v", seed, msg, p, err)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
}
|
|
p.P(`if !p.Equal(msg) {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, %#v !Json Equal %#v", seed, msg, p)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
}
|
|
}
|
|
return used
|
|
}
|
|
|
|
type testText struct {
|
|
*generator.Generator
|
|
}
|
|
|
|
func newText(g *generator.Generator) TestPlugin {
|
|
return &testText{g}
|
|
}
|
|
|
|
func (p *testText) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
|
|
used := false
|
|
testingPkg := imports.NewImport("testing")
|
|
randPkg := imports.NewImport("math/rand")
|
|
timePkg := imports.NewImport("time")
|
|
protoPkg := imports.NewImport("github.com/gogo/protobuf/proto")
|
|
if !gogoproto.ImportsGoGoProto(file.FileDescriptorProto) {
|
|
protoPkg = imports.NewImport("github.com/golang/protobuf/proto")
|
|
}
|
|
//fmtPkg := imports.NewImport("fmt")
|
|
for _, message := range file.Messages() {
|
|
ccTypeName := generator.CamelCaseSlice(message.TypeName())
|
|
if message.DescriptorProto.GetOptions().GetMapEntry() {
|
|
continue
|
|
}
|
|
if gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
|
|
used = true
|
|
|
|
p.P(`func Test`, ccTypeName, `ProtoText(t *`, testingPkg.Use(), `.T) {`)
|
|
p.In()
|
|
p.P(`seed := `, timePkg.Use(), `.Now().UnixNano()`)
|
|
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(seed))`)
|
|
p.P(`p := NewPopulated`, ccTypeName, `(popr, true)`)
|
|
p.P(`data := `, protoPkg.Use(), `.MarshalTextString(p)`)
|
|
p.P(`msg := &`, ccTypeName, `{}`)
|
|
p.P(`if err := `, protoPkg.Use(), `.UnmarshalText(data, msg); err != nil {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
if gogoproto.HasVerboseEqual(file.FileDescriptorProto, message.DescriptorProto) {
|
|
p.P(`if err := p.VerboseEqual(msg); err != nil {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, %#v !VerboseProto %#v, since %v", seed, msg, p, err)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
}
|
|
p.P(`if !p.Equal(msg) {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, %#v !Proto %#v", seed, msg, p)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
p.P()
|
|
|
|
p.P(`func Test`, ccTypeName, `ProtoCompactText(t *`, testingPkg.Use(), `.T) {`)
|
|
p.In()
|
|
p.P(`seed := `, timePkg.Use(), `.Now().UnixNano()`)
|
|
p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(seed))`)
|
|
p.P(`p := NewPopulated`, ccTypeName, `(popr, true)`)
|
|
p.P(`data := `, protoPkg.Use(), `.CompactTextString(p)`)
|
|
p.P(`msg := &`, ccTypeName, `{}`)
|
|
p.P(`if err := `, protoPkg.Use(), `.UnmarshalText(data, msg); err != nil {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, err = %v", seed, err)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
if gogoproto.HasVerboseEqual(file.FileDescriptorProto, message.DescriptorProto) {
|
|
p.P(`if err := p.VerboseEqual(msg); err != nil {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, %#v !VerboseProto %#v, since %v", seed, msg, p, err)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
}
|
|
p.P(`if !p.Equal(msg) {`)
|
|
p.In()
|
|
p.P(`t.Fatalf("seed = %d, %#v !Proto %#v", seed, msg, p)`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
p.Out()
|
|
p.P(`}`)
|
|
p.P()
|
|
|
|
}
|
|
}
|
|
return used
|
|
}
|
|
|
|
func init() {
|
|
RegisterTestPlugin(newProto)
|
|
RegisterTestPlugin(newJson)
|
|
RegisterTestPlugin(newText)
|
|
}
|