serverless-offline-sns/test/mock/handler.ts

Serverless plugin to run a local SNS server and call lambdas with events notifications.

import { setEvent, setPongs, setResult } from "./mock.state.js";

let nPongs = 0;

export const resetPongs = () => {
  nPongs = 0;
  setPongs(0);
};

export const pongHandler = (evt, ctx, cb) => {
  nPongs += 1;
  setPongs(nPongs);
  setEvent(evt);
  cb(null, "{}");
};

export const envHandler = (evt, ctx, cb) => {
  setResult(process.env["MY_VAR"]);
  cb(null, "{}");
};

export const pseudoHandler = (evt, ctx, cb) => {
  setResult(evt.Records[0].Sns.TopicArn);
  cb(null, "{}");
};

export const asyncHandler = async (evt, ctx) => {
  await new Promise((res) => setTimeout(res, 100));
  setResult(evt.Records[0].Sns.TopicArn);
  return "{}";
};

const defaultExportHandler = (evt, ctx, cb) => {
  nPongs += 1;
  setPongs(nPongs);
  setEvent(evt);
  cb(null, "{}");
};

export default { defaultExportHandler };