replace Json with Read

cmd/testdata/.snapshots/TestExecute-GetterAndInterfaceAndReader.go

@@ -0,0 +1,42 @@
+package test
+
+import (
+	"encoding/json"
+	"io"
+)
+
+type ITester interface {
+	Field1() string
+	SetField1(val string)
+	GetSecondField() int32
+	Read(p []byte) (int, error)
+}
+
+// TesterWrapper encapulates the type Tester
+type TesterWrapper struct {
+	// The name of the original type, it gets initalized when calling Read() function, DO NOT USE IT
+	DataType string `json:"_data_type,omitempty"`
+	Tester
+}
+
+func (t TesterWrapper) Field1() string {
+	return t.Tester.Field1
+}
+
+func (t TesterWrapper) SetField1(val string) {
+	t.Tester.Field1 = val
+}
+
+func (t TesterWrapper) GetSecondField() int32 
+	return t.Tester.Field2
+}
+
+func (t TesterWrapper) Read(p []byte) (int, error) {
+	t.DataType = "Tester"
+	data, err := json.Marshal(t)
+	if err != nil {
+		return 0, err
+	}
+	n := copy(p, data)
+	return n, nil
+}