haste-server/node_modules/winston/test/custom-timestamp-test.js

62 lines
1.8 KiB
JavaScript

/*
* custom-timestamp-test.js: Test function as timestamp option for transport `{ timestamp: function () {} }`
*
* (C) 2011 Charlie Robbins, Tom Shinnick
* MIT LICENSE
*
*/
var assert = require('assert'),
events = require('events'),
fs = require('fs'),
path = require('path'),
vows = require('vows'),
winston = require('../lib/winston'),
helpers = require('./helpers');
function assertTimestamp (basename, options) {
var filename = path.join(__dirname, 'fixtures', 'logs', basename + '.log');
try { fs.unlinkSync(filename) }
catch (ex) { }
return {
topic: function () {
options.filename = filename;
var transport = new (winston.transports.File)(options);
// We must wait until transport file has emitted the 'flush'
// event to be sure the file has been created and written
transport.once('flush', this.callback.bind(this, null, filename));
transport.log('info', 'When a fake tree falls in the forest...', null, function () {});
},
"should log with the appropriate timestamp": function (_, filename) {
var data = fs.readFileSync(filename, 'utf8');
assert.isNotNull(data.match(options.pattern));
}
}
}
vows.describe('winston/transport/timestamp').addBatch({
"When timestamp option is used": {
"with file transport": {
"with value set to false": assertTimestamp('noTimestamp', {
pattern: /^info\:/,
json: false,
timestamp: false
}),
"with value set to true ": assertTimestamp('defaultTimestamp', {
pattern: /^\d\d? \w{3}/,
json: false,
timestamp: true
}),
"and function value": assertTimestamp('customTimestamp', {
pattern: /^\d{8}\./,
json: false,
timestamp: function () {
return '20110803.171657';
}
})
}
}
}).export(module);