implement IBAN validation

1 files changed, 32 insertions, 0 deletions

diff --git a/packages/taler-util/src/iban.test.ts b/packages/taler-util/src/iban.test.ts
new file mode 100644
index 000000000..69fb2dd75
--- /dev/null
+++ b/packages/taler-util/src/iban.test.ts
@@ -0,0 +1,32 @@
+/*
+ This file is part of GNU Taler
+ (C) 2023 Taler Systems S.A.
+
+ GNU Taler is free software; you can redistribute it and/or modify it under the
+ terms of the GNU General Public License as published by the Free Software
+ Foundation; either version 3, or (at your option) any later version.
+
+ GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
+ WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
+ A PARTICULAR PURPOSE.  See the GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along with
+ GNU Taler; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
+ */
+
+import test from "ava";
+import { generateIban, validateIban } from "./iban.js";
+
+test("iban validation", (t) => {
+  t.assert(validateIban("foo").type === "invalid");
+  t.assert(validateIban("NL71RABO9996666778").type === "valid");
+  t.assert(validateIban("NL71RABO9996666779").type === "invalid");
+});
+
+
+
+test("iban generation", (t) => {
+  let iban1 = generateIban("DE", 10);
+  console.log("generated IBAN", iban1);
+  t.assert(validateIban(iban1).type === "valid");
+});