Recover from npm package

[rbdr/cologne] / test / cologne / logger / file.js

'use strict';

let fs = require('fs');

let tap = require('tap');

let FileLogger = require('../../../lib/cologne/logger/file');

// Prepare the test
let logObjectA, logObjectB, rawFile, formatterFile, rawLogger, formatterLogger,
  params, dummyFormatter, formatterString;

rawFile = './raw.log';
formatterFile = './formatter.log';
formatterString = 'example';

logObjectA = {
  _timestamp: Date.now() + .134,
  _cologneLog: '1.0.0',
  _from: 'Dummy Logger',
  _level: 6,
  _levelString: 'info',
  message: 'MessageOne'
};

logObjectB = {
  _timestamp: Date.now() + .134,
  _cologneLog: '1.0.0',
  _from: 'Dummy Logger',
  _level: 6,
  _levelString: 'info',
  message: 'MessageTwo'
};

params = [logObjectA, logObjectB];


dummyFormatter = {
  values: [],
  format: function (logObject) {
    this.values.push(logObject);
    return formatterString;
  }
};

rawLogger = new FileLogger({
  file: rawFile
});
formatterLogger = new FileLogger({
  file: formatterFile,
  formatter: dummyFormatter
});

/**
 * TEST: #log() - regular
 */

rawLogger.log.apply(rawLogger, params);

setTimeout(function () {
  tap.test('raw file', function (t) {
    fs.readFile(rawFile, {encoding: 'utf8'}, function (error, contents) {
      let lines;

      lines = contents.trim().split('\n');

      tap.equal(lines.length, params.length,
               'it should send all params to the file');

      tap.equal(JSON.stringify(logObjectA), lines[0],
               'it should log the raw json object');

      fs.unlink(rawFile, function () {
        t.end();
      });
    });
  });
}, 10); // allow for flush
/**
 * TEST: #log() - formatter
 */

formatterLogger.log.apply(formatterLogger, params);

setTimeout(function () {
  tap.test('formatted file', function (t) {
    fs.readFile(formatterFile, {encoding: 'utf8'}, function (error, contents) {
      let lines;

      lines = contents.trim().split('\n');

      tap.equal(lines.length, params.length,
               'it should send all params to the file');

      tap.equal(formatterString, lines[0],
               'it should log the formatted object');

      fs.unlink(formatterFile, function () {
        t.end();
      });
    });
  });
}, 10);