Ensure initials calculate correctly for Unicode via runes

core/stringutil/initials.go

@@ -23,11 +23,11 @@ func MakeInitials(firstname, lastname string) string {
 	b := ""
 
 	if len(firstname) > 0 {
-		a = firstname[:1]
+		a = string([]rune(firstname)[:1])
 	}
 
 	if len(lastname) > 0 {
-		b = lastname[:1]
+		b = string([]rune(lastname)[:1])
 	}
 
 	return strings.ToUpper(a + b)

core/stringutil/initials_test.go

@@ -13,11 +13,13 @@ package stringutil
 
 import "testing"
 
+// go test github.com/documize/community/core/stringutil -run TestInitials
 func TestInitials(t *testing.T) {
 	in(t, "Harvey", "Kandola", "HK")
 	in(t, "Harvey", "", "H")
 	in(t, "", "Kandola", "K")
 	in(t, "", "", "")
+	in(t, "Иванов", "Иванов", "ИИ")
 }
 
 func in(t *testing.T, firstname, lastname, expecting string) {