refactor: bytes testing & remove unused parameter & invalid recursive…

… type

tests/all_test.go

@@ -37,6 +37,7 @@ http_address: :3002
 read_timeout: 100s
 default_empty_map:
   test1: 1
+bytes: [1,2,3,4]
 map1:
   test1: 1000000
 map_not_leaf:
@@ -77,6 +78,7 @@ func TestOverideDefaultValue(t *testing.T) {
 		So(cc.Int64Slice, ShouldResemble, []int64{101, 202, 303})
 		So(x.Parse(cc), ShouldBeNil)
 
+		So(cc.Bytes, ShouldResemble, []byte{1, 2, 3, 4})
 		So(cc.HttpAddress, ShouldEqual, ":3002")
 		// map1作为叶子节点存在
 		So(cc.Map1, ShouldResemble, map[string]int{"test1": 1000000})

tests/conf.go

@@ -30,6 +30,7 @@ type RedisTimeout = redis.Timeout
 var optionUsage = `在这里描述一些应用级别的配置规则`
 
 // ConfigOptionDeclareWithDefault go-lint
+//
 //go:generate optiongen --option_with_struct_name=false --new_func=NewTestConfig --xconf=true --empty_composite_nil=true --usage_tag_name=usage
 func ConfigOptionDeclareWithDefault() interface{} {
 	return map[string]interface{}{
@@ -47,6 +48,7 @@ func ConfigOptionDeclareWithDefault() interface{} {
 		"ProcessCount":    int8(1),
 		"MaxUint64":       uint64(0),
 		"MaxInt":          int(0),
+		"Bytes":           []byte(nil),
 		"Int8":            int8(1),
 		"TimeDurations":   []time.Duration([]time.Duration{time.Second, time.Second}), // @MethodComment(延迟队列)
 		"DefaultEmptyMap": map[string]int{},

xcmd/middleware.go

@@ -7,7 +7,7 @@ import (
 )
 
 // Executer 命令执行方法
-type Executer = func(ctx context.Context, cmd *Command) error
+type Executer func(ctx context.Context, cmd *Command) error
 
 var usageExecuter = func(ctx context.Context, cmd *Command) error {
 	cmd.Usage()

xconf_usage.go

@@ -69,23 +69,19 @@ func (x *XConf) usageToWriter(w io.Writer, args ...string) (err error) {
 
 // usageLinesToWriter 打印usage信息到io.Writer
 func (x *XConf) usageLinesToWriter(w io.Writer) error {
-	using := x.zeroValPtrForLayout
 	optionUsageStr := x.optionUsage
-	if using == nil {
-		return errors.New("usageToWriter: should parse first")
-	}
-	lines, magic, err := x.usageLines(using)
+	lines, magic, err := x.usageLines()
 	if err != nil {
 		return fmt.Errorf("Usage err: " + err.Error())
 	}
 	fmt.Fprintln(w, xutil.TableFormat(lines, magic, true, optionUsageStr))
 	return nil
 }
 
-func (x *XConf) usageLines(valPtr interface{}) ([]string, string, error) {
+func (x *XConf) usageLines() ([]string, string, error) {
 	magic := "\x00"
 	var lineAll []string
-	lineAll = append(lineAll, "FLAG"+"\x00"+"ENV"+"\x00"+"TYPE"+"\x00"+"USAGE")
+	lineAll = append(lineAll, "FLAG"+magic+"ENV"+magic+"TYPE"+magic+"USAGE")
 	allFlag := xflag.GetFlagInfo(x.cc.FlagSet)
 	for _, v := range allFlag.List {
 		line := fmt.Sprintf("--%s", v.Name)
@@ -152,7 +148,7 @@ func (x *XConf) DumpInfo() {
 	}
 	lines = append(lines, fmt.Sprintf("# Hash Center : %s", hashCenter))
 
-	usageLines, magic, err := x.usageLines(x.zeroValPtrForLayout)
+	usageLines, magic, err := x.usageLines()
 	if err != nil {
 		x.cc.LogWarning("got error:" + err.Error())
 		return