You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.8 KiB
92 lines
2.8 KiB
var assert = require('assert'),
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fs = require('fs'),
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path = require('path'),
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vows = require('vows'),
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winston = require('../../lib/winston'),
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helpers = require('../helpers');
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var maxfilesTransport = new winston.transports.File({
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timestamp: false,
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json: false,
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filename: path.join(__dirname, '..', 'fixtures', 'logs', 'testtailrollingfiles.log'),
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maxsize: 4096,
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maxFiles: 3,
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tailable: true
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});
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process.on('uncaughtException', function (err) {
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console.log('caught exception');
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console.error(err);
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});
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vows.describe('winston/transports/file/tailrolling').addBatch({
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"An instance of the File Transport": {
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"when delete old test files": {
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topic: function () {
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var logs = path.join(__dirname, '..', 'fixtures', 'logs');
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fs.readdirSync(logs).forEach(function (file) {
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if (~file.indexOf('testtailrollingfiles')) {
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fs.unlinkSync(path.join(logs, file));
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}
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});
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this.callback();
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},
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"and when passed more files than the maxFiles": {
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topic: function () {
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var that = this,
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created = 0;
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function data(ch) {
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return new Array(1018).join(String.fromCharCode(65 + ch));
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};
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function logKbytes(kbytes, txt) {
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//
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// With no timestamp and at the info level,
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// winston adds exactly 7 characters:
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// [info](4)[ :](2)[\n](1)
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//
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for (var i = 0; i < kbytes; i++) {
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maxfilesTransport.log('info', data(txt), null, function () { });
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}
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}
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maxfilesTransport.on('logged', function () {
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if (++created == 4) {
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return that.callback();
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}
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logKbytes(4, created);
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});
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logKbytes(4, created);
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},
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"should be 3 log files, base to maxFiles - 1": function () {
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var file, fullpath;
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for (var num = 0; num < 4; num++) {
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file = !num ? 'testtailrollingfiles.log' : 'testtailrollingfiles' + num + '.log';
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fullpath = path.join(__dirname, '..', 'fixtures', 'logs', file);
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if (num == 3) {
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return assert.ok(!fs.existsSync(fullpath));
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}
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assert.ok(fs.existsSync(fullpath));
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}
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return false;
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},
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"should have files in correct order": function () {
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var file, fullpath, content;
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['D', 'C', 'B'].forEach(function (letter, i) {
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file = !i ? 'testtailrollingfiles.log' : 'testtailrollingfiles' + i + '.log';
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content = fs.readFileSync(path.join(__dirname, '..', 'fixtures', 'logs', file), 'ascii');
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assert.lengthOf(content.match(new RegExp(letter, 'g')), 4068);
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});
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}
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}
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}
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}
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}).export(module);
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