express-middleware/test/src/middleware/childLogger.test.js

Set of middlewares for Chauffeur-Privé

'use strict';

const { expect } = require('chai');
const sinon = require('sinon');
const childLogger = require('../../../src/middleware/childLogger.js');

describe('child logger middleware - childLogger.js', () => {
  it('should throw assertion error when logger is missing', () => {
    expect(childLogger).to.throw('Logger is missing');
  });

  it('should work with a requestId', done => {
    const req = { requestId: '110e8400-e29b-11d4-a716-446655440000' };
    const logger = { child: () => {} };
    const childSpy = sinon.spy(logger, 'child');
    const middleware = childLogger(logger);

    expect(middleware).to.be.instanceof(Function);

    middleware(req, null, () => {
      childSpy.calledOnce;
      expect(childSpy.args[0].length).to.equal(1);
      expect(childSpy.args[0][0]).to.deep.equal({
        requestId: '110e8400-e29b-11d4-a716-446655440000'
      });
      done();
    });
  });

  it('should work without a requestId', done => {
    const req = {};
    const logger = { child: () => {} };
    const childSpy = sinon.spy(logger, 'child');
    const middleware = childLogger(logger);

    expect(middleware).to.be.instanceof(Function);

    middleware(req, null, () => {
      childSpy.calledOnce;
      expect(childSpy.args[0].length).to.equal(1);
      expect(childSpy.args[0][0]).to.deep.equal({ requestId: undefined });
      done();
    });
  });
});