feat(core): add emtpy sucees result (#908)

* feat(core): add emtpy sucees result

Signed-off-by: Patrik Cyvoct <[email protected]>

Author: Sh4d1

internal/core/result.go

@@ -15,13 +15,17 @@ type SuccessResult struct {
 	Details  string
 	Resource string
 	Verb     string
+	Empty    bool
 }
 
 var standardSuccessMessages = map[string]string{
 	"delete": "%s has been successfully deleted.",
 }
 
 func (s *SuccessResult) MarshalHuman() (string, error) {
+	if s.Empty {
+		return "", nil
+	}
 	message := s.getMessage()
 	if !strings.HasSuffix(message, ".") {
 		message += "."
@@ -38,6 +42,10 @@ func (s *SuccessResult) MarshalHuman() (string, error) {
 }
 
 func (s *SuccessResult) MarshalJSON() ([]byte, error) {
+	if s.Empty {
+		type emptyRes struct{}
+		return json.Marshal(&emptyRes{})
+	}
 	type tmpRes struct {
 		Message string `json:"message"`
 		Details string `json:"details"`

internal/core/result_test.go

@@ -0,0 +1,24 @@
+package core
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestResult(t *testing.T) {
+	result := &SuccessResult{
+		Empty:    true,
+		Details:  "dummy",
+		Message:  "dummy",
+		Resource: "dummy",
+		Verb:     "dummy",
+	}
+
+	humanOutput, err := result.MarshalHuman()
+	assert.NoError(t, err)
+	assert.Equal(t, "", humanOutput)
+	jsonOutput, err := result.MarshalJSON()
+	assert.NoError(t, err)
+	assert.Equal(t, []byte("{}"), jsonOutput)
+}