log4js-node/test/global-log-level-test.js

"use strict";
var vows = require('vows')
, assert = require('assert');

vows.describe('log4js global loglevel').addBatch({
  'global loglevel' : {
    topic: function() {
      var log4js = require('../lib/log4js');
      return log4js;
    },

    'set global loglevel on creation': function(log4js) {
      var log1 = log4js.getLogger('log1');
      var level = 'OFF';
      if (log1.level.toString() == level) {
        level = 'TRACE';
      }
      assert.notEqual(log1.level.toString(), level);

      log4js.setGlobalLogLevel(level);
      assert.equal(log1.level.toString(), level);

      var log2 = log4js.getLogger('log2');
      assert.equal(log2.level.toString(), level);
    },

    'global change loglevel': function(log4js) {
      var log1 = log4js.getLogger('log1');
      var log2 = log4js.getLogger('log2');
      var level = 'OFF';
      if (log1.level.toString() == level) {
        level = 'TRACE';
      }
      assert.notEqual(log1.level.toString(), level);

      log4js.setGlobalLogLevel(level);
      assert.equal(log1.level.toString(), level);
      assert.equal(log2.level.toString(), level);
    },

    'override loglevel': function(log4js) {
      var log1 = log4js.getLogger('log1');
      var log2 = log4js.getLogger('log2');
      var level = 'OFF';
      if (log1.level.toString() == level) {
        level = 'TRACE';
      }
      assert.notEqual(log1.level.toString(), level);

      var oldLevel = log1.level.toString();
      assert.equal(log2.level.toString(), oldLevel);

      log2.setLevel(level);
      assert.equal(log1.level.toString(), oldLevel);
      assert.equal(log2.level.toString(), level);
      assert.notEqual(oldLevel, level);

      log2.removeLevel();
      assert.equal(log1.level.toString(), oldLevel);
      assert.equal(log2.level.toString(), oldLevel);
    },

    'preload loglevel': function(log4js) {
      var log1 = log4js.getLogger('log1');
      var level = 'OFF';
      if (log1.level.toString() == level) {
        level = 'TRACE';
      }
      assert.notEqual(log1.level.toString(), level);

      var oldLevel = log1.level.toString();
      log4js.getLogger('log2').setLevel(level);

      assert.equal(log1.level.toString(), oldLevel);

      // get again same logger but as different variable
      var log2 = log4js.getLogger('log2');
      assert.equal(log2.level.toString(), level);
      assert.notEqual(oldLevel, level);

      log2.removeLevel();
      assert.equal(log1.level.toString(), oldLevel);
      assert.equal(log2.level.toString(), oldLevel);
    },

    'set level on all categories': function(log4js) {
      // Get 2 loggers
      var log1 = log4js.getLogger('log1');
      var log2 = log4js.getLogger('log2');

      // First a test with 2 categories with different levels
      var config = {
        'levels': {
          'log1': 'ERROR',
          'log2': 'WARN'
        }
      };
      log4js.configure(config);

      // Check if the levels are set correctly
      assert.equal('ERROR', log1.level.toString());
      assert.equal('WARN', log2.level.toString());

      log1.removeLevel();
      log2.removeLevel();

      // Almost identical test, but now we set
      // level on all categories
      var config2 = {
        'levels': {
          '[all]': 'DEBUG'
        }
      };
      log4js.configure(config2);

      // Check if the loggers got the DEBUG level
      assert.equal('DEBUG', log1.level.toString());
      assert.equal('DEBUG', log2.level.toString());
    }
  }
}).export(module);