Added func to redact slices

common_test.go

@@ -255,6 +255,8 @@ func (suite *LoggerSuite) LogLineEqual(line string, records map[string]string) {
 				stringvalue = actual.String()
 			case map[string]interface{}:
 				stringvalue = fmt.Sprintf("%v", value)
+			case []interface{}:
+				stringvalue = fmt.Sprintf("%v", value)
 			default:
 				suite.Failf(fmt.Sprintf("The value of the key %s cannot be casted to string", key), "Type: %s", reflect.TypeOf(value))
 			}

redact.go

@@ -5,6 +5,7 @@ import (
 	"fmt"
 )
 
+// Redact redacts a stringable value
 func Redact(value interface{}) string {
 	if value == nil {
 		return ""
@@ -15,10 +16,21 @@ func Redact(value interface{}) string {
 	return ""
 }
 
+// RedactAll redacts all items in a slice of redactable items
+func RedactAll[T Redactable](items []T) []any {
+	redacted := make([]any, len(items))
+	for i, item := range items {
+		redacted[i] = item.Redact()
+	}
+	return redacted
+}
+
+// RedactWithHash redacts a value with a hash
 func RedactWithHash(value interface{}) string {
 	return RedactWithPrefixedHash("REDACTED", value)
 }
 
+// RedactWithPrefixedHash redacts a value with a prefix and a hash
 func RedactWithPrefixedHash(prefix string, value interface{}) string {
 	if value == nil {
 		return ""

redact_test.go

@@ -44,6 +44,27 @@ func (suite *RedactSuite) TestCanRedactSensitiveStruct() {
 	})
 }
 
+func (suite *RedactSuite) TestCanRedactSensitiveSliceOfStruct() {
+	customers := []User{{"12345678", "John Doe", nil}, {"87654321", "Jane Doe", nil}}
+	output := CaptureStdout(func() {
+		log := logger.Create("test", &logger.StdoutStream{Unbuffered: true})
+		log.Record("customers", logger.RedactAll(customers)).Infof("message")
+	})
+	suite.LogLineEqual(output, map[string]string{
+		"customers": `\[map\[id:12345678 name:REDACTED\] map\[id:87654321 name:REDACTED\]\]`,
+		"hostname":  `[a-zA-Z_0-9\-\.]+`,
+		"level":     "30",
+		"msg":       "message",
+		"name":      "test",
+		"pid":       "[0-9]+",
+		"scope":     "main",
+		"tid":       "[0-9]+",
+		"time":      `[0-9]+-[0-9]+-[0-9]+T[0-9]+:[0-9]+:[0-9]+Z`,
+		"topic":     "main",
+		"v":         "0",
+	})
+}
+
 func (suite *RedactSuite) TestCanRedactMessage() {
 	redactor := core.Must(logger.NewRedactor(`\+[0-9]{11}`))
 	suite.Require().NotEmpty(redactor.String())