1 files changed, 19 insertions, 0 deletions
diff --git a/spec/frontend/authentication/webauthn/util_spec.js b/spec/frontend/authentication/webauthn/util_spec.js
new file mode 100644
index 00000000000..c9b8bfd8679
--- /dev/null
+++ b/spec/frontend/authentication/webauthn/util_spec.js
@@ -0,0 +1,19 @@
+import { base64ToBuffer, bufferToBase64 } from '~/authentication/webauthn/util';
+
+const encodedString = 'SGVsbG8gd29ybGQh';
+const stringBytes = [72, 101, 108, 108, 111, 32, 119, 111, 114, 108, 100, 33];
+
+describe('Webauthn utils', () => {
+  it('base64ToBuffer', () => {
+    const toArray = (val) => new Uint8Array(val);
+
+    expect(base64ToBuffer(encodedString)).toBeInstanceOf(ArrayBuffer);
+
+    expect(toArray(base64ToBuffer(encodedString))).toEqual(toArray(stringBytes));
+  });
+
+  it('bufferToBase64', () => {
+    const buffer = base64ToBuffer(encodedString);
+    expect(bufferToBase64(buffer)).toBe(encodedString);
+  });
+});