94 lines
2.5 KiB
JavaScript
94 lines
2.5 KiB
JavaScript
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/*
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* file-archive-test.js: Tests for instances of the File transport setting the archive option,
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*
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* (C) 2015 Nimrod Becker
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* MIT LICENSE
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*
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*/
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/* eslint-disable no-sync */
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const assert = require('assert');
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const rimraf = require('rimraf');
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const fs = require('fs');
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const path = require('path');
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const winston = require('../../lib/winston');
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const { MESSAGE } = require('triple-beam');
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//
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// Remove all log fixtures
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//
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function removeFixtures(done) {
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rimraf(path.join(__dirname, '..', 'fixtures', 'logs', 'testarchive*'), done);
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}
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let archiveTransport = null;
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describe('winston/transports/file/zippedArchive', function () {
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describe('An instance of the File Transport with tailable true', function () {
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before(removeFixtures);
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after(removeFixtures);
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it('init logger AFTER cleaning up old files', function () {
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archiveTransport = new winston.transports.File({
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timestamp: true,
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json: false,
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zippedArchive: true,
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tailable: true,
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filename: 'testarchive.log',
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dirname: path.join(__dirname, '..', 'fixtures', 'logs'),
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maxsize: 4096,
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maxFiles: 3
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});
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});
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it('when created archived files are rolled', function (done) {
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let created = 0;
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let loggedTotal = 0;
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function data(ch, kb) {
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return String.fromCharCode(65 + ch).repeat(kb * 1024 - 1);
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}
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function logKbytes(kbytes, txt) {
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const toLog = {};
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toLog[MESSAGE] = data(txt, kbytes);
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archiveTransport.log(toLog);
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}
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archiveTransport.on('logged', function (info) {
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loggedTotal += info[MESSAGE].length + 1;
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if (loggedTotal >= 14 * 1024) { // just over 3 x 4kb files
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return done();
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}
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if (loggedTotal % 4096 === 0) {
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created++;
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}
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// eslint-disable-next-line max-nested-callbacks
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setTimeout(() => logKbytes(1, created), 1);
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});
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logKbytes(1, created);
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});
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it('should be only 3 files called testarchive.log, testarchive1.log.gz and testarchive2.log.gz', function () {
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for (var num = 0; num < 4; num++) {
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const file = !num ? 'testarchive.log' : 'testarchive' + num + '.log.gz';
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const fullpath = path.join(__dirname, '..', 'fixtures', 'logs', file);
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if (num === 3) {
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return assert.throws(function () {
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fs.statSync(fullpath);
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}, Error);
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}
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assert.doesNotThrow(function () {
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fs.statSync(fullpath);
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}, Error);
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}
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});
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});
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});
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