+ IsValidUUID

validators.go

@@ -3,6 +3,8 @@ package utils
 import (
 	"net/url"
 	"os"
+
+	"github.com/google/uuid"
 )
 
 // DoesFileExist returns true, if a file exists (and actually is a file)
@@ -56,8 +58,8 @@ func IsStringInSliceOfStrings(slice []string, target string) bool {
 	return false
 }
 
-// IsValidUrl returns true, if s is a valid URL
+// IsValidURL returns true, if s is a valid URL
-func IsValidUrl(s string) bool {
+func IsValidURL(s string) bool {
 	u, err := url.Parse(s)
 	if err != nil || u.Scheme == "" || u.Host == "" {
 		return false
@@ -65,3 +67,9 @@ func IsValidUrl(s string) bool {
 
 	return true
 }
+
+// IsValidUUID returns true, if s is a valid UUID
+func IsValidUUID(s string) bool {
+	_, err := uuid.Parse(s)
+	return err == nil
+}

validators_test.go

@@ -38,7 +38,7 @@ func TestIsStringInSliceOfStrings(t *testing.T) {
 	}
 }
 
-func TestIsValidUrl(t *testing.T) {
+func TestIsValidURL(t *testing.T) {
 	data := map[string]bool{
 		"":                                   false,
 		"0x0001f346":                         false,
@@ -49,7 +49,27 @@ func TestIsValidUrl(t *testing.T) {
 	}
 
 	for d, expectedResult := range data {
-		result := IsValidUrl(d)
+		result := IsValidURL(d)
+		if result != expectedResult {
+			t.Errorf("\ngot:    %t\nwanted: %t\nfor:    %q", result, expectedResult, d)
+		}
+	}
+}
+
+func TestIsValidUUID(t *testing.T) {
+	data := map[string]bool{
+		"":                                     false,
+		"0x0001f346":                           false,
+		"0179eb94-7a81-11ee-b962-0242ac120002": true,
+		"c3bcd438-7a80-11ee-b962-0242ac120002": true,
+		"0a245e0a-7a81-11ee-b962-0242ac120002": true,
+		"9d90b107-fc59-45f8-a622-f55b0a1396d6": true,
+		"f327c2b7-15a5-43c4-aefb-c66c6f34a32e": true,
+		"02cb18ec-5d6a-428d-8159-643bde3f43bb": true,
+	}
+
+	for d, expectedResult := range data {
+		result := IsValidUUID(d)
 		if result != expectedResult {
 			t.Errorf("\ngot:    %t\nwanted: %t\nfor:    %q", result, expectedResult, d)
 		}