test(BankNameFromCard):add core method test

lib/dart_persian_tools.dart

@@ -30,3 +30,6 @@ export 'src/core/phone_number/phone_number.dart';
 
 // exports [getPlaceByNationalId] method and extension
 export 'src/core/get_place_by_national_id/get_place_by_national_id.dart';
+
+// exports [getBankNameFromCardNumber] method and extension
+export 'src/core/get_bank_name_from_card_number/get_bank_name_from_card_number.dart';

lib/src/core/get_bank_name_from_card_number/get_bank_name_from_card_number.dart

@@ -0,0 +1,9 @@
+import 'models.dart';
+
+Bank? getBankNameFromCardNumber(String cardNumber) {
+  return null;
+}
+
+extension BankNameFromCardNumber on String {
+  Bank? get bankNameFromCard => getBankNameFromCardNumber(this);
+}

test/test_get_bank_name_from_card_number.dart

@@ -0,0 +1,16 @@
+import 'package:dart_persian_tools/dart_persian_tools.dart';
+import 'package:test/test.dart';
+
+void main() {
+  group('test get_bank_name_from_card_number.dart', () {
+    test('test getBankNameFromCardNumber method', () {
+      expect(getBankNameFromCardNumber('6037701689095443')?.name, 'بانک کشاورزی');
+      expect(getBankNameFromCardNumber('6219861034529007')?.name, 'بانک سامان');
+      expect(getBankNameFromCardNumber('6219861034529007')?.name, 'بانک سامان');
+
+      expect(getBankNameFromCardNumber('621986103452900'), null);
+      expect(getBankNameFromCardNumber('9999991034529007'), null);
+      expect(getBankNameFromCardNumber(''), null);
+    });
+  });
+}