logger/test.js at master · 17koa/logger · GitHub

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/**
 * test cases
 */

// test tools
var chai = require('chai');
var sinon = require('sinon');
var sc = require('sinon-chai');
var request = require('supertest');
chai.use(sc);
var expect = chai.expect;

// test subjects
var chalk = require('chalk');
var app = require('./test-server');
var log, sandbox;

describe('koa-logger', function() {
  beforeEach(function() {
    sandbox = sinon.sandbox.create();
    log = sandbox.spy(console, 'log');
  });

  afterEach(function() {
    sandbox.restore();
  });

  it('should log a request', function(done) {
    request(app.listen()).get('/200').expect(200, 'hello world', function() {
      expect(log).to.have.been.called;
      done();
    });
  });

  it('should log a request with correct method and url', function(done) {
    request(app.listen()).head('/200').expect(200, function() {
      expect(log).to.have.been.calledWith('  ' + chalk.gray('<--')
        + ' ' + chalk.bold('%s')
        + ' ' + chalk.gray('%s'),
          'HEAD',
          '/200');
      done();
    });
  });

  it('should log a response', function(done) {
    request(app.listen()).get('/200').expect(200, function() {
      expect(log).to.have.been.calledTwice;
      done();
    });
  });

  it('should log a 200 response', function(done) {
    request(app.listen()).get('/200').expect(200, function() {
      expect(log).to.have.been.calledWith('  ' + chalk.gray('-->')
        + ' ' + chalk.bold('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.green('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.gray('%s'),
          'GET',
          '/200',
          200,
          sinon.match.any,
          '11b');
      done();
    });
  });

  it('should log a 301 response', function(done) {
    request(app.listen()).get('/301').expect(301, function() {
      expect(log).to.have.been.calledWith('  ' + chalk.gray('-->')
        + ' ' + chalk.bold('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.cyan('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.gray('%s'),
          'GET',
          '/301',
          301,
          sinon.match.any,
          '-');
      done();
    });
  });

  it('should log a 304 response', function(done) {
    request(app.listen()).get('/304').expect(304, function() {
      expect(log).to.have.been.calledWith('  ' + chalk.gray('-->')
        + ' ' + chalk.bold('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.cyan('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.gray('%s'),
          'GET',
          '/304',
          304,
          sinon.match.any,
          '');
      done();
    });
  });

  it('should log a 404 response', function(done) {
    request(app.listen()).get('/404').expect(404, function() {
      expect(log).to.have.been.calledWith('  ' + chalk.gray('-->')
        + ' ' + chalk.bold('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.yellow('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.gray('%s'),
          'GET',
          '/404',
          404,
          sinon.match.any,
          '9b');
      done();
    });
  });

  it('should log a 500 response', function(done) {
    request(app.listen()).get('/500').expect(500, function() {
      expect(log).to.have.been.calledWith('  ' + chalk.gray('-->')
        + ' ' + chalk.bold('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.red('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.gray('%s'),
          'GET',
          '/500',
          500,
          sinon.match.any,
          '12b');
      done();
    });
  });

  it('should log middleware error', function(done) {
    request(app.listen()).get('/error').expect(500, function() {
      expect(log).to.have.been.calledWith('  ' + chalk.red('xxx')
        + ' ' + chalk.bold('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.red('%s')
        + ' ' + chalk.gray('%s')
        + ' ' + chalk.gray('%s'),
          'GET',
          '/error',
          500,
          sinon.match.any,
          '-');
      done();
    });
  });
});