logger/unwrap: add tagged option

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

client/client.go

@@ -74,7 +74,7 @@ type Request interface {
 type Response interface {
 	// Read the response
 	Codec() codec.Codec
-	// read the header
+	// Header data
 	Header() metadata.Metadata
 	// Read the undecoded response
 	Read() ([]byte, error)

logger/unwrap/unwrap.go

@@ -55,15 +55,16 @@ type unwrap struct {
 }
 
 type Options struct {
-	Codec         codec.Codec
-	Indent        string
-	UnwrapMethods bool
+	Codec   codec.Codec
+	Indent  string
+	Methods bool
+	Tagged  bool
 }
 
 func NewOptions(opts ...Option) Options {
 	options := Options{
-		Indent:        " ",
-		UnwrapMethods: false,
+		Indent:  " ",
+		Methods: false,
 	}
 	for _, o := range opts {
 		o(&options)
@@ -73,24 +74,30 @@ func NewOptions(opts ...Option) Options {
 
 type Option func(*Options)
 
-func UnwrapIndent(f string) Option {
+func Indent(f string) Option {
 	return func(o *Options) {
 		o.Indent = f
 	}
 }
 
-func UnwrapMethods(b bool) Option {
+func Methods(b bool) Option {
 	return func(o *Options) {
-		o.UnwrapMethods = b
+		o.Methods = b
 	}
 }
 
-func UnwrapCodec(c codec.Codec) Option {
+func Codec(c codec.Codec) Option {
 	return func(o *Options) {
 		o.Codec = c
 	}
 }
 
+func Tagged(b bool) Option {
+	return func(o *Options) {
+		o.Tagged = b
+	}
+}
+
 func Unwrap(val interface{}, opts ...Option) *unwrap {
 	options := NewOptions(opts...)
 	return &unwrap{val: val, opts: &options, pointers: make(map[uintptr]int)}
@@ -256,7 +263,7 @@ func (f *unwrap) format(v reflect.Value) {
 
 	// Call Stringer/error interfaces if they exist and the handle methods
 	// flag is enabled.
-	if !f.opts.UnwrapMethods {
+	if !f.opts.Methods {
 		if (kind != reflect.Invalid) && (kind != reflect.Interface) {
 			if handled := handleMethods(f.opts, f.s, v); handled {
 				return
@@ -341,7 +348,12 @@ func (f *unwrap) format(v reflect.Value) {
 		prevSkip := false
 		for i := 0; i < numFields; i++ {
 			sv, ok := vt.Field(i).Tag.Lookup("logger")
-			if ok && sv == "omit" {
+			if ok {
+				if sv == "omit" {
+					prevSkip = true
+					continue
+				}
+			} else if f.opts.Tagged {
 				prevSkip = true
 				continue
 			}

logger/unwrap/unwrap_test.go

@@ -1,24 +1,13 @@
 package unwrap
 
 import (
+	"fmt"
+	"strings"
 	"testing"
 
 	"go.unistack.org/micro/v3/codec"
 )
 
-func TestUnwrapOmit(t *testing.T) {
-	type val struct {
-		MP  map[string]string `json:"mp" logger:"omit"`
-		STR string            `json:"str"`
-		AR  []string          `json:"ar"`
-	}
-
-	v1 := &val{AR: []string{"string1", "string2"}, STR: "string", MP: map[string]string{"key": "val"}}
-
-	t.Logf("output: %#v", v1)
-	t.Logf("output: %#v", Unwrap(v1))
-}
-
 func TestUnwrap(t *testing.T) {
 	string1 := "string1"
 	string2 := "string2"
@@ -32,7 +21,10 @@ func TestUnwrap(t *testing.T) {
 
 	v1 := &val1{ar: []*string{&string1, &string2}, str: &string1, val: &val1{str: &string2}, mp: map[string]string{"key": "val"}}
 
-	t.Logf("output: %#v", Unwrap(v1))
+	buf := fmt.Sprintf("%#v", Unwrap(v1))
+	if strings.Compare(buf, `&unwrap.val1{mp:map[string]string{"key":"val"}, val:(*unwrap.val1){mp:map[string]string<nil>, val:(*unwrap.val1)<nil>, str:(*string)"string2", ar:[]*string<nil>}, str:(*string)"string1", ar:[]*string{<*><shown>, <*>"string2"}}`) != 0 {
+		t.Fatalf("not proper written %s", buf)
+	}
 
 	type val2 struct {
 		mp  map[string]string
@@ -42,11 +34,11 @@ func TestUnwrap(t *testing.T) {
 	}
 
 	v2 := &val2{ar: []string{string1, string2}, str: string1, val: &val2{str: string2}, mp: map[string]string{"key": "val"}}
-
-	t.Logf("output: %#v", v2)
+	_ = v2
+	// t.Logf("output: %#v", v2)
 }
 
-func TestUnwrapCodec(t *testing.T) {
+func TestCodec(t *testing.T) {
 	type val struct {
 		MP  map[string]string `json:"mp"`
 		STR string            `json:"str"`
@@ -55,5 +47,33 @@ func TestUnwrapCodec(t *testing.T) {
 
 	v1 := &val{AR: []string{"string1", "string2"}, STR: "string", MP: map[string]string{"key": "val"}}
 
-	t.Logf("output: %#v", Unwrap(v1, UnwrapCodec(codec.NewCodec())))
+	buf := fmt.Sprintf("%#v", Unwrap(v1, Codec(codec.NewCodec())))
+	if strings.Compare(buf, `{"mp":{"key":"val"},"str":"string","ar":["string1","string2"]}`) != 0 {
+		t.Fatalf("not proper written %s", buf)
+	}
+}
+
+func TestOmit(t *testing.T) {
+	type val struct {
+		Key1 string `logger:"omit"`
+		Key2 string `logger:"take"`
+	}
+	v1 := &val{Key1: "val1", Key2: "val2"}
+	buf := fmt.Sprintf("%#v", Unwrap(v1))
+	if strings.Compare(buf, `&unwrap.val{Key2:"val2"}`) != 0 {
+		t.Fatalf("not proper written %s", buf)
+	}
+}
+
+func TestTagged(t *testing.T) {
+	type val struct {
+		Key1 string `logger:"take"`
+		Key2 string
+	}
+
+	v1 := &val{Key1: "val1", Key2: "val2"}
+	buf := fmt.Sprintf("%#v", Unwrap(v1, Tagged(true)))
+	if strings.Compare(buf, `&unwrap.val{Key1:"val1"}`) != 0 {
+		t.Fatalf("not proper written %s", buf)
+	}
 }