reword and add test

Author: vigneshshanmugam

__tests__/core/totp.test.ts

@@ -0,0 +1,37 @@
+/**
+ * MIT License
+ *
+ * Copyright (c) 2020-present, Elastic NV
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ *
+ */
+
+import { createTOTP } from '../../src/core/totp';
+
+describe('TOTP', () => {
+  it('generate one time token', () => {
+    const totp = createTOTP({ secret: "FLIIOLP3IR3W" });
+    expect(totp.generate().length).toBe(6);
+    expect(totp.toString()).toEqual('otpauth://totp/SyntheticsTOTP?secret=FLIIOLP3IR3Q&algorithm=SHA1&digits=6&period=30')
+  });
+});
+
+
+

src/core/totp.ts

@@ -27,11 +27,12 @@ import { TOTP } from "otpauth";
 
 type TOTPOptions = {
   /**
-   * Service provider name.
+   * Provider or Service the secret is associated with
    */
   issuer?: string
   /**
    * Account Identifier.
+   * @default 'SyntheticsTOTP'
    */
   label?: string
   /**
@@ -48,17 +49,17 @@ type TOTPOptions = {
    */
   algorithm?: string
   /**
-   * Length of the generated token.
+   * Number of digits in the generated token.
    * @default 6
    */
   digits?: number
   /**
-   * Interval in seconds for which the token is valid.
+   * Validity period in seconds for the token.
    * @default 30
    */
   period?: number
 };
 
 export function createTOTP(options: TOTPOptions) {
-  return new TOTP({ ...options });
+  return new TOTP({ label: "SyntheticsTOTP", ...options });
 }