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@otp-service/testkit

v0.1.2

Published

Test doubles and deterministic fixtures for OTP package testing.

Downloads

30

Vulnerabilities

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Links

Git

Maintainers

surajrhsurajrh

Keywords

Readme

@otp-service/testkit

In-memory ChallengeStore, recording OtpDelivery, deterministic OTP generator, and fixed clock helper — intended for tests and local examples, not production.

ESM only · Node.js ≥ 22 · License: MIT

Install

npm install --save-dev @otp-service/testkit @otp-service/core

Use --save-dev so test doubles are not pulled into production installs unless you intend to.

Usage

import { createOtpService, hmacOtpSigner } from "@otp-service/core";
import {
  InMemoryChallengeStore,
  RecordingDelivery,
  createDeterministicOtpGenerator
} from "@otp-service/testkit";

const delivery = new RecordingDelivery();
const generator = createDeterministicOtpGenerator(["123456"]);
const otpService = createOtpService({
  store: new InMemoryChallengeStore(),
  delivery,
  otpGenerator: () => generator.nextOtp(),
  signer: hmacOtpSigner({ secret: "test-secret" }),
  policy: { maxVerifyAttempts: 3, otpLength: 6, ttlSeconds: 600 }
});

// After generateChallenge:
expect(delivery.lastRequest().otp).toBe("123456");

Exports

| Export | Purpose | |--------|---------| | InMemoryChallengeStore | Volatile ChallengeStore | | RecordingDelivery | Captures DeliveryRequest[] / lastRequest() | | createDeterministicOtpGenerator | Predictable OTP sequence | | createFixedClock | Time-dependent tests |

Related packages

Links