rudder-js-sdk/test/e2e-prod/_setup/harness.ts

// Test-side helpers: load the seed artifact and build SDK clients against prod.

import { RudderClient } from '../../../src/client/RudderClient.js';
import type { TokenStore } from '../../../src/token/TokenStore.js';
import { readArtifact } from './artifact.js';
import type { SeedArtifact } from './types.js';

/** Loads the seed artifact; RUDDER_E2E_* env vars override file values. */
export function loadArtifact(): SeedArtifact {
  const file = readArtifact();
  if (!file) {
    throw new Error(
      'No seed artifact (.e2e-prod.local.json). Run `npm run test:e2e-prod` (globalSetup seeds automatically).',
    );
  }
  return {
    ...file,
    baseUrl: process.env.RUDDER_E2E_BASE_URL ?? file.baseUrl,
    projectKey: process.env.RUDDER_E2E_PROJECT_KEY ?? file.projectKey,
  };
}

export function createInMemoryTokenStore(): TokenStore {
  let access: string | null = null;
  let refresh: string | null = null;
  return {
    getAccessToken: () => access,
    getRefreshToken: () => refresh,
    saveTokens: (a, r) => {
      access = a;
      refresh = r;
    },
    clear: () => {
      access = null;
      refresh = null;
    },
  };
}

/** A client with no auth yet (in-memory tokens). */
export function makeProdClient(
  artifact: SeedArtifact = loadArtifact(),
): RudderClient {
  return new RudderClient({
    baseUrl: artifact.baseUrl,
    projectKey: artifact.projectKey,
    tokenStore: createInMemoryTokenStore(),
  });
}

/** A device-authenticated client. In Node each call mints a fresh player (ephemeral device id). */
export async function freshPlayer(
  artifact: SeedArtifact = loadArtifact(),
): Promise<RudderClient> {
  const client = makeProdClient(artifact);
  await client.auth.loginWithDevice({ region: 'en', language: 'en' });
  return client;
}