bunyan-formatter/__tests__/simple.js

Writable stream that formats bunyan records that are piped into it.

'use strict';

var bunyan = require('bunyan')
  , bformat = require('../')
  , test = require('tap').test
  ;

function inspect(obj, depth) {
  console.error(require('util').inspect(obj, false, depth || 5, true));
}

describe('simple', () => {
  beforeAll(() => {
    writes = [];
  });
  var formatOut = bformat({ outputMode: 'simple'}, { write: onwrite })
  var log = bunyan.createLogger({ name: 'app', stream: formatOut, level: 'debug' } );

  var writes = [];
  function onwrite (c) {
    writes.push(c)
  }

  it('info', () => {
    log.info('starting up');
    expect(writes).toMatchSnapshot();
  });

  it('debug', () => {
    log.debug('things are heating up', { temperature: 80, status: { started: 'yes', overheated: 'no' } });
    expect(writes).toMatchSnapshot();
  });

  it('warn', () => {
    log.warn('getting a bit hot', { temperature: 120 });
    expect(writes).toMatchSnapshot();
  })

  it('error', () => {
    log.error('OOOOHHH it burns!', new Error('temperature: 200'));
    expect(writes).toMatchSnapshot();
  })

  it('fatal', () => {
    log.fatal('I died! Do you know what that means???');
    expect(writes).toMatchSnapshot();
  });
});