Apply Code Coverage Badge

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

README.md

@@ -1,5 +1,5 @@
 # Micro 
-![Coverage](https://img.shields.io/badge/Coverage-44.9%25-yellow)
+![Coverage](https://img.shields.io/badge/Coverage-45.1%25-yellow)
 
 Micro is a standard library for microservices.
 

codec/codec.go

@@ -3,6 +3,8 @@ package codec
 
 import (
 	"errors"
+
+	"gopkg.in/yaml.v3"
 )
 
 var (
@@ -54,3 +56,22 @@ func (m *RawMessage) UnmarshalJSON(data []byte) error {
 	*m = append((*m)[0:0], data...)
 	return nil
 }
+
+// MarshalYAML returns m as the JSON encoding of m.
+func (m *RawMessage) MarshalYAML() ([]byte, error) {
+	if m == nil {
+		return []byte("null"), nil
+	} else if len(*m) == 0 {
+		return []byte("null"), nil
+	}
+	return *m, nil
+}
+
+// UnmarshalYAML sets *m to a copy of data.
+func (m *RawMessage) UnmarshalYAML(n *yaml.Node) error {
+	if m == nil {
+		return errors.New("RawMessage UnmarshalYAML on nil pointer")
+	}
+	*m = append((*m)[0:0], []byte(n.Value)...)
+	return nil
+}

codec/frame.go

@@ -1,5 +1,7 @@
 package codec
 
+import "gopkg.in/yaml.v3"
+
 // Frame gives us the ability to define raw data to send over the pipes
 type Frame struct {
 	Data []byte
@@ -20,6 +22,17 @@ func (m *Frame) UnmarshalJSON(data []byte) error {
 	return m.Unmarshal(data)
 }
 
+// MarshalYAML returns frame data
+func (m *Frame) MarshalYAML() ([]byte, error) {
+	return m.Marshal()
+}
+
+// UnmarshalYAML set frame data
+func (m *Frame) UnmarshalYAML(n *yaml.Node) error {
+	m.Data = []byte(n.Value)
+	return nil
+}
+
 // ProtoMessage noop func
 func (m *Frame) ProtoMessage() {}