git.r.bdr.sh - rbdr/cologne/blob - test/loggers/console.js

   1 'use strict';
   2
   3 const Tap = require('tap');
   4
   5 const ConsoleLogger = require('../../lib/loggers/console');
   6
   7 // Prepare the test
   8
   9 const dummyFormatter = {
  10   values: [],
  11   format: function (log) {
  12
  13     this.values.push(log);
  14     return 'lol';
  15   }
  16 };
  17
  18 const dummyConsole = {
  19   values: {
  20     log: 0,
  21     warn: 0,
  22     error: 0,
  23     info: 0
  24   },
  25   _log: function (type, ...logs) {
  26
  27     this.values[type] += logs.length;
  28   },
  29   log: function (...logs) {
  30
  31     this._log('log', ...logs);
  32   },
  33   warn: function (...logs) {
  34
  35     this._log('warn', ...logs);
  36   },
  37   error: function (...logs) {
  38
  39     this._log('error', ...logs);
  40   },
  41   info: function (...logs) {
  42
  43     this._log('info', ...logs);
  44   }
  45 };
  46
  47 const logObjectA = {
  48   _timestamp: Date.now() + .134,
  49   _cologneLog: '1.0.0',
  50   _from: 'Dummy Logger',
  51   _level: 6,
  52   _levelString: 'info',
  53   message: 'MessageOne'
  54 };
  55
  56 const logObjectB = {
  57   _timestamp: Date.now() + .134,
  58   _cologneLog: '1.0.0',
  59   _from: 'Dummy Logger',
  60   _level: 6,
  61   _levelString: 'info',
  62   message: 'MessageTwo'
  63 };
  64
  65 const exampleLogs = [logObjectA, logObjectB];
  66
  67 const regularLogger = new ConsoleLogger({});
  68 const overrideLogger = new ConsoleLogger({
  69   console: dummyConsole
  70 });
  71 const formattedLogger = new ConsoleLogger({
  72   console: dummyConsole,
  73   formatter: dummyFormatter
  74 });
  75
  76 /**
  77  * TEST: #log() - regular
  78  */
  79
  80 Tap.equal(regularLogger.console, global.console,
  81   'It should default to the global console');
  82
  83 /**
  84  * TEST: #log() - override
  85  */
  86
  87 logObjectA._level = 5;
  88 logObjectB._level = 6;
  89 overrideLogger.log(...exampleLogs); // should go to info
  90
  91 logObjectA._level = 4;
  92 logObjectB._level = 4;
  93 overrideLogger.log(...exampleLogs); // should go to warn
  94
  95 logObjectA._level = 1;
  96 logObjectB._level = 3;
  97 overrideLogger.log(...exampleLogs); // should go to error
  98
  99 logObjectA._level = 0;
 100 logObjectB._level = 2;
 101 overrideLogger.log(...exampleLogs); // should go to error
 102
 103 logObjectA._level = 7;
 104 logObjectB._level = 8;
 105 overrideLogger.log(...exampleLogs); // should go to log
 106
 107 Tap.equal(dummyConsole.values.log, exampleLogs.length,
 108   'It should send debug messages to console\'s #log');
 109 Tap.equal(dummyConsole.values.info, exampleLogs.length,
 110   'It should send info and notice messages to console\'s #info');
 111 Tap.equal(dummyConsole.values.warn, exampleLogs.length,
 112   'It should send warn messages to console\'s #warn');
 113 Tap.equal(dummyConsole.values.error, exampleLogs.length * 2,
 114   'It should send error messages to console\'s #error');
 115
 116 /**
 117  * TEST: #log() - with formatter
 118  */
 119
 120 formattedLogger.log(...exampleLogs); // should go to log
 121
 122 Tap.similar(dummyFormatter.values, exampleLogs,
 123   'If available, it should send the objects to the formatter');