winston-to-newrelic-logs/test/newrelic-winston.js

A transport for winston to send to New Relic Log Product

const stubs = {
  './newrelicHelper': require('./stubs/newrelicHelper')
};

const { createLogger } = require('winston');
const proxyquire = require('proxyquire');
const NewrelicWinston = proxyquire.noCallThru().load('../index.js', stubs);
const expect = require('chai').expect;

describe('newrelic-winston', function() {
  describe('Creating the trasport', function() {

    it('Have default properties when instantiated', function() {
        const newrelicWinston = new(NewrelicWinston)();

      expect(newrelicWinston.name).to.be.equal('newrelic-winston');
    });

    it('should have a log function', function() {
      const newrelicWinston = new(NewrelicWinston)();
      expect(typeof newrelicWinston.log).to.be.equal('function');
    });

    it('can be registered as winston transport using the add() function', function() {
      const logger = createLogger({
        transports: []
      });

      logger.add(new NewrelicWinston());

      return expect(logger.transports.map(i=>i.name)).to.include('newrelic-winston');
    });

    it('winston.log function should not throw any errors', function() {
        const logger = createLogger({
            transports: [new NewrelicWinston()],
        });
        expect(() => logger.error('foo')).to.not.throw(Error);
    });

  });
});