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

'use strict';

const test = require('tap').test;
const log4js = require('../../lib/log4js');

function setupLogging(category, options) {
  const sent = {};

  function fake(event) {
    Object.keys(event).forEach((key) => {
      sent[key] = event[key];
    });
  }

  const lfsModule = require('../../lib/appenders/logFacesAppender');
  options.send = fake;
  log4js.clearAppenders();
  log4js.addAppender(lfsModule.configure(options), category);
  lfsModule.setContext('foo', 'bar');
  lfsModule.setContext('bar', 'foo');

  return {
    logger: log4js.getLogger(category),
    results: sent
  };
}

test('logFaces appender', (batch) => {
  batch.test('when using HTTP receivers', (t) => {
    const setup = setupLogging('myCategory', {
      type: 'logFacesAppender',
      application: 'LFS-HTTP',
      url: 'http://localhost/receivers/rx1'
    });

    setup.logger.warn('Log event #1');

    t.test('an event should be sent', (assert) => {
      const event = setup.results;
      assert.equal(event.a, 'LFS-HTTP');
      assert.equal(event.m, 'Log event #1');
      assert.equal(event.g, 'myCategory');
      assert.equal(event.p, 'WARN');
      assert.equal(event.p_foo, 'bar');
      assert.equal(event.p_bar, 'foo');

      // Assert timestamp, up to hours resolution.
      const date = new Date(event.t);
      assert.equal(
        date.toISOString().substring(0, 14),
        new Date().toISOString().substring(0, 14)
      );
      assert.end();
    });
    t.end();
  });

  batch.test('when using UDP receivers', (t) => {
    const setup = setupLogging('udpCategory', {
      type: 'logFacesAppender',
      application: 'LFS-UDP',
      remoteHost: '127.0.0.1',
      port: 55201
    });

    setup.logger.error('Log event #2');

    t.test('an event should be sent', (assert) => {
      const event = setup.results;
      assert.equal(event.a, 'LFS-UDP');
      assert.equal(event.m, 'Log event #2');
      assert.equal(event.g, 'udpCategory');
      assert.equal(event.p, 'ERROR');
      assert.equal(event.p_foo, 'bar');
      assert.equal(event.p_bar, 'foo');

      // Assert timestamp, up to hours resolution.
      const date = new Date(event.t);
      assert.equal(
        date.toISOString().substring(0, 14),
        new Date().toISOString().substring(0, 14)
      );
      assert.end();
    });
    t.end();
  });

  batch.end();
});