Method Generate

plugin/union/uniontest.go:45–82

(imports generator.PluginImports, file *generator.FileDescriptor)

}

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")
	for _, message := range file.Messages() {
		if !gogoproto.IsUnion(file.FileDescriptorProto, message.DescriptorProto) ||
			!gogoproto.HasTestGen(file.FileDescriptorProto, message.DescriptorProto) {
			continue
		}
		if message.DescriptorProto.GetOptions().GetMapEntry() {
			continue
		}
		used = true
		ccTypeName := generator.CamelCaseSlice(message.TypeName())

		p.P(`func Test`, ccTypeName, `OnlyOne(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, true)`)
		p.P(`v := p.GetValue()`)
		p.P(`msg := &`, ccTypeName, `{}`)
		p.P(`if !msg.SetValue(v) {`)
		p.In()
		p.P(`t.Fatalf("OnlyOne: Could not set Value")`)
		p.Out()
		p.P(`}`)
		p.P(`if !p.Equal(msg) {`)
		p.In()
		p.P(`t.Fatalf("%#v !OnlyOne Equal %#v", msg, p)`)
		p.Out()
		p.P(`}`)
		p.Out()
		p.P(`}`)

	}
	return used
}

func init() {
	testgen.RegisterTestPlugin(NewTest)