🧹 add json marshal for scoring system (#4345)

explorer/impact.go

@@ -164,6 +164,23 @@ func (s *ScoringSystem) UnmarshalYAML(node *yaml.Node) error {
 	return nil
 }
 
+func (s *ScoringSystem) MarshalJSON() ([]byte, error) {
+	switch *s {
+	case ScoringSystem_WORST:
+		return []byte("highest impact"), nil
+	case ScoringSystem_WEIGHTED:
+		return []byte("weighted"), nil
+	case ScoringSystem_AVERAGE:
+		return []byte("average"), nil
+	case ScoringSystem_BANDED:
+		return []byte("banded"), nil
+	case ScoringSystem_DECAYED:
+		return []byte("decayed"), nil
+	default:
+		return []byte("unknown"), nil
+	}
+}
+
 func (s *ScoringSystem) MarshalYAML() (interface{}, error) {
 	switch *s {
 	case ScoringSystem_WORST:

explorer/impact_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/stretchr/testify/require"
 )
 
-func TestParsing(t *testing.T) {
+func TestImpactParsing(t *testing.T) {
 	tests := []struct {
 		title string
 		data  string
@@ -81,7 +81,7 @@ func TestParsing(t *testing.T) {
 	}
 }
 
-func TestMerging(t *testing.T) {
+func TestImpactMerging(t *testing.T) {
 	tests := []struct {
 		title string
 		base  *Impact
@@ -131,3 +131,13 @@ func TestMerging(t *testing.T) {
 		})
 	}
 }
+
+func TestScoringSystemParsing(t *testing.T) {
+	s := ScoringSystem_DECAYED
+	raw, err := json.Marshal(s)
+	require.NoError(t, err)
+
+	err = json.Unmarshal(raw, &s)
+	require.NoError(t, err)
+	assert.Equal(t, ScoringSystem_DECAYED, s)
+}