log4js-node/test/tap/passenger-test.js

const { test } = require("tap");
const sandbox = require("@log4js-node/sandboxed-module");

// passenger provides a non-functional cluster module,
// but it does not implement the event emitter functions
const passengerCluster = {
  disconnect() {
    return false;
  },
  fork() {
    return false;
  },
  setupMaster() {
    return false;
  },
  isWorker: true,
  isMaster: false,
  schedulingPolicy: false,
  settings: false,
  worker: false,
  workers: false
};

const vcr = require("../../lib/appenders/recording");

const log4js = sandbox.require("../../lib/log4js", {
  requires: {
    cluster: passengerCluster,
    "./appenders/recording": vcr
  }
});

test("When running in Passenger", batch => {
  batch.test("it should still log", t => {
    log4js.configure({
      appenders: {
        vcr: { type: "recording" }
      },
      categories: {
        default: { appenders: ["vcr"], level: "info" }
      },
      disableClustering: true
    });
    log4js.getLogger().info("This should still work");

    const events = vcr.replay();
    t.equal(events.length, 1);
    t.equal(events[0].data[0], "This should still work");
    t.end();
  });

  batch.end();
});