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/*
* file-test.js: Tests for instances of the File transport
*
* (C) 2010 Charlie Robbins
* MIT LICENSE
*
*/
var assert = require('assert'),
exec = require('child_process').exec,
fs = require('fs'),
path = require('path'),
vows = require('vows'),
winston = require('../../lib/winston'),
helpers = require('../helpers');
var maxsizeTransport = new winston.transports.File({
timestamp: false,
json: false,
filename: path.join(__dirname, '..', 'fixtures', 'logs', 'testmaxsize.log'),
maxsize: 4096
});
vows.describe('winston/transports/file/maxsize').addBatch({
"An instance of the File Transport": {
"when passed a valid filename": {
"the log() method": {
topic: function () {
exec('rm -rf ' + path.join(__dirname, '..', 'fixtures', 'logs', 'testmaxsize*'), this.callback);
},
"when passed more than the maxsize": {
topic: function () {
var that = this,
data = new Array(1018).join('-');
//
// Setup a list of files which we will later stat.
//
that.files = [];
function logKbytes (kbytes) {
//
// With no timestamp and at the info level,
// winston adds exactly 7 characters:
// [info](4)[ :](2)[\n](1)
//
for (var i = 0; i < kbytes; i++) {
maxsizeTransport.log('info', data, null, function () { });
}
}
maxsizeTransport.on('open', function (file) {
var match = file.match(/(\d+)\.log$/),
count = match ? match[1] : 0;
that.files.push(file);
if (that.files.length === 5) {
return that.callback();
}
logKbytes(4);
});
logKbytes(4);
},
"should create multiple files correctly": function () {
this.files.forEach(function (file) {
try {
var stats = fs.statSync(file);
assert.equal(stats.size, 4096);
}
catch (ex) {
assert.isNull(ex);
}
});
}
}
}
}
}
}).export(module);
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