90 lines
3 KiB
Go
90 lines
3 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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package gostring
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import (
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"github.com/gogo/protobuf/gogoproto"
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"github.com/gogo/protobuf/plugin/testgen"
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"github.com/gogo/protobuf/protoc-gen-gogo/generator"
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)
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type test struct {
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*generator.Generator
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}
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func NewTest(g *generator.Generator) testgen.TestPlugin {
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return &test{g}
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}
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func (p *test) Generate(imports generator.PluginImports, file *generator.FileDescriptor) bool {
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used := false
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randPkg := imports.NewImport("math/rand")
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timePkg := imports.NewImport("time")
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testingPkg := imports.NewImport("testing")
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fmtPkg := imports.NewImport("fmt")
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parserPkg := imports.NewImport("go/parser")
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for _, message := range file.Messages() {
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ccTypeName := generator.CamelCaseSlice(message.TypeName())
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if !gogoproto.HasGoString(file.FileDescriptorProto, message.DescriptorProto) {
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continue
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}
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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, `GoString(t *`, testingPkg.Use(), `.T) {`)
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p.In()
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p.P(`popr := `, randPkg.Use(), `.New(`, randPkg.Use(), `.NewSource(`, timePkg.Use(), `.Now().UnixNano()))`)
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p.P(`p := NewPopulated`, ccTypeName, `(popr, false)`)
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p.P(`s1 := p.GoString()`)
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p.P(`s2 := `, fmtPkg.Use(), `.Sprintf("%#v", p)`)
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p.P(`if s1 != s2 {`)
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p.In()
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p.P(`t.Fatalf("GoString want %v got %v", s1, s2)`)
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p.Out()
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p.P(`}`)
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p.P(`_, err := `, parserPkg.Use(), `.ParseExpr(s1)`)
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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.Out()
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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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func init() {
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testgen.RegisterTestPlugin(NewTest)
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}
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