551 lines
21 KiB
JavaScript
551 lines
21 KiB
JavaScript
var vows = require('vows')
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, assert = require('assert')
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, sandbox = require('sandboxed-module');
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vows.describe('log4js').addBatch({
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'getLogger': {
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topic: function() {
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var log4js = require('../lib/log4js');
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log4js.clearAppenders();
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var logger = log4js.getLogger('tests');
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logger.setLevel("DEBUG");
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return logger;
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},
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'should take a category and return a logger': function(logger) {
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assert.equal(logger.category, 'tests');
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assert.equal(logger.level.toString(), "DEBUG");
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assert.isFunction(logger.debug);
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assert.isFunction(logger.info);
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assert.isFunction(logger.warn);
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assert.isFunction(logger.error);
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assert.isFunction(logger.fatal);
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},
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'log events' : {
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topic: function(logger) {
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var events = [];
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logger.addListener("log", function (logEvent) { events.push(logEvent); });
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logger.debug("Debug event");
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logger.trace("Trace event 1");
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logger.trace("Trace event 2");
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logger.warn("Warning event");
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logger.error("Aargh!", new Error("Pants are on fire!"));
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logger.error("Simulated CouchDB problem", { err: 127, cause: "incendiary underwear" });
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return events;
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},
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'should emit log events': function(events) {
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assert.equal(events[0].level.toString(), 'DEBUG');
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assert.equal(events[0].data[0], 'Debug event');
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assert.instanceOf(events[0].startTime, Date);
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},
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'should not emit events of a lower level': function(events) {
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assert.length(events, 4);
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assert.equal(events[1].level.toString(), 'WARN');
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},
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'should include the error if passed in': function (events) {
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assert.instanceOf(events[2].data[1], Error);
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assert.equal(events[2].data[1].message, 'Pants are on fire!');
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}
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},
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},
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'fileAppender': {
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topic: function() {
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var appender
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, logmessages = []
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, thing = "thing"
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, fakeFS = {
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createWriteStream: function() {
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assert.equal(arguments[0], './tmp-tests.log');
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assert.isObject(arguments[1]);
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assert.equal(arguments[1].flags, 'a');
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assert.equal(arguments[1].mode, 0644);
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assert.equal(arguments[1].encoding, 'utf8');
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return {
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write: function(message) {
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logmessages.push(message);
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}
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, end: function() {}
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, destroySoon: function() {}
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};
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},
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watchFile: function() {
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throw new Error("watchFile should not be called if logSize is not defined");
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}
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},
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log4js = sandbox.require(
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'../lib/log4js',
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{
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requires: {
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'fs': fakeFS
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}
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}
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);
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log4js.clearAppenders();
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appender = log4js.fileAppender('./tmp-tests.log', log4js.layouts.messagePassThroughLayout);
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log4js.addAppender(appender, 'file-test');
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var logger = log4js.getLogger('file-test');
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logger.debug("this is a test");
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return logmessages;
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},
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'should write log messages to file': function(logmessages) {
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assert.length(logmessages, 1);
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assert.equal(logmessages, "this is a test\n");
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}
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},
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'fileAppender - with rolling based on size and number of files to keep': {
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topic: function() {
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var watchCb,
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filesOpened = [],
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filesEnded = [],
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filesRenamed = [],
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newFilenames = [],
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existingFiles = ['tests.log'],
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log4js = sandbox.require(
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'../lib/log4js'
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, {
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requires: {
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'fs': {
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watchFile: function(file, options, callback) {
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assert.equal(file, 'tests.log');
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assert.equal(options.persistent, false);
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assert.equal(options.interval, 30000);
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assert.isFunction(callback);
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watchCb = callback;
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},
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createWriteStream: function(file) {
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assert.equal(file, 'tests.log');
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filesOpened.push(file);
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return {
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end: function() {
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filesEnded.push(file);
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}
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};
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},
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statSync: function(file) {
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if (existingFiles.indexOf(file) < 0) {
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throw new Error("this file doesn't exist");
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} else {
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return true;
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}
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},
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renameSync: function(oldFile, newFile) {
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filesRenamed.push(oldFile);
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existingFiles.push(newFile);
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}
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}
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}
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}
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);
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var appender = log4js.fileAppender('tests.log', log4js.messagePassThroughLayout, 1024, 2, 30);
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return [watchCb, filesOpened, filesEnded, filesRenamed, existingFiles];
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},
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'should close current log file, rename all old ones, open new one on rollover': function(args) {
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var watchCb = args[0]
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, filesOpened = args[1]
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, filesEnded = args[2]
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, filesRenamed = args[3]
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, existingFiles = args[4];
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assert.isFunction(watchCb);
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//tell the watchCb that the file is below the threshold
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watchCb({ size: 891 }, { size: 0 });
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//filesOpened should still be the first one.
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assert.length(filesOpened, 1);
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//tell the watchCb that the file is now over the threshold
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watchCb({ size: 1053 }, { size: 891 });
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//it should have closed the first log file.
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assert.length(filesEnded, 1);
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//it should have renamed the previous log file
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assert.length(filesRenamed, 1);
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//and we should have two files now
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assert.length(existingFiles, 2);
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assert.deepEqual(existingFiles, ['tests.log', 'tests.log.1']);
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//and opened a new log file.
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assert.length(filesOpened, 2);
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//now tell the watchCb that we've flipped over the threshold again
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watchCb({ size: 1025 }, { size: 123 });
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//it should have closed the old file
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assert.length(filesEnded, 2);
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//it should have renamed both the old log file, and the previous '.1' file
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assert.length(filesRenamed, 3);
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assert.deepEqual(filesRenamed, ['tests.log', 'tests.log.1', 'tests.log' ]);
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//it should have renamed 2 more file
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assert.length(existingFiles, 4);
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assert.deepEqual(existingFiles, ['tests.log', 'tests.log.1', 'tests.log.2', 'tests.log.1']);
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//and opened a new log file
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assert.length(filesOpened, 3);
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//tell the watchCb we've flipped again.
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watchCb({ size: 1024 }, { size: 234 });
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//close the old one again.
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assert.length(filesEnded, 3);
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//it should have renamed the old log file and the 2 backups, with the last one being overwritten.
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assert.length(filesRenamed, 5);
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assert.deepEqual(filesRenamed, ['tests.log', 'tests.log.1', 'tests.log', 'tests.log.1', 'tests.log' ]);
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//it should have renamed 2 more files
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assert.length(existingFiles, 6);
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assert.deepEqual(existingFiles, ['tests.log', 'tests.log.1', 'tests.log.2', 'tests.log.1', 'tests.log.2', 'tests.log.1']);
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//and opened a new log file
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assert.length(filesOpened, 4);
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}
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},
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'configure' : {
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topic: function() {
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var messages = {}, fakeFS = {
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createWriteStream: function(file) {
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return {
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write: function(message) {
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if (!messages.hasOwnProperty(file)) {
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messages[file] = [];
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}
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messages[file].push(message);
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}
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, end: function() {}
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, destroySoon: function() {}
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};
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},
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readFileSync: function(file, encoding) {
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return require('fs').readFileSync(file, encoding);
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},
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watchFile: function(file) {
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messages.watchedFile = file;
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}
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},
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log4js = sandbox.require(
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'../lib/log4js'
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, {
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requires: {
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'fs': fakeFS
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}
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}
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);
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return [ log4js, messages ];
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},
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'should load appender configuration from a json file': function(args) {
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var log4js = args[0], messages = args[1];
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delete messages['tmp-tests.log'];
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log4js.clearAppenders();
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//this config file defines one file appender (to ./tmp-tests.log)
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//and sets the log level for "tests" to WARN
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log4js.configure('test/log4js.json');
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var logger = log4js.getLogger("tests");
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logger.info('this should not be written to the file');
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logger.warn('this should be written to the file');
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assert.length(messages['tmp-tests.log'], 1);
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assert.equal(messages['tmp-tests.log'][0], 'this should be written to the file\n');
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},
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'should handle logLevelFilter configuration': function(args) {
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var log4js = args[0], messages = args[1];
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delete messages['tmp-tests.log'];
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delete messages['tmp-tests-warnings.log'];
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log4js.clearAppenders();
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log4js.configure('test/with-logLevelFilter.json');
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var logger = log4js.getLogger("tests");
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logger.info('main');
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logger.error('both');
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logger.warn('both');
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logger.debug('main');
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assert.length(messages['tmp-tests.log'], 4);
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assert.length(messages['tmp-tests-warnings.log'], 2);
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assert.deepEqual(messages['tmp-tests.log'], ['main\n','both\n','both\n','main\n']);
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assert.deepEqual(messages['tmp-tests-warnings.log'], ['both\n','both\n']);
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},
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'should handle fileAppender with log rolling' : function(args) {
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var log4js = args[0], messages = args[1];
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delete messages['tmp-test.log'];
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log4js.configure('test/with-log-rolling.json');
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assert.equal(messages.watchedFile, 'tmp-test.log');
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},
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'should handle an object or a file name': function(args) {
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var log4js = args[0],
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messages = args[1],
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config = {
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"appenders": [
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{
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"type" : "file",
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"filename" : "cheesy-wotsits.log",
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"maxLogSize" : 1024,
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"backups" : 3,
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"pollInterval" : 15
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}
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]
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};
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delete messages['cheesy-wotsits.log'];
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log4js.configure(config);
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assert.equal(messages.watchedFile, 'cheesy-wotsits.log');
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}
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},
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'with no appenders defined' : {
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topic: function() {
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var logger
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, message
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, log4js = sandbox.require(
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'../lib/log4js'
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, {
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globals: {
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console: {
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log: function(msg) {
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message = msg;
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}
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}
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}
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}
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);
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logger = log4js.getLogger("some-logger");
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logger.debug("This is a test");
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return message;
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},
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'should default to the console appender': function(message) {
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assert.isTrue(/This is a test$/.test(message));
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}
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},
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'addAppender' : {
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topic: function() {
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var log4js = require('../lib/log4js');
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log4js.clearAppenders();
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return log4js;
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},
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'without a category': {
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'should register the function as a listener for all loggers': function (log4js) {
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var appenderEvent, appender = function(evt) { appenderEvent = evt; }, logger = log4js.getLogger("tests");
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log4js.addAppender(appender);
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logger.debug("This is a test");
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assert.equal(appenderEvent.data[0], "This is a test");
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assert.equal(appenderEvent.categoryName, "tests");
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assert.equal(appenderEvent.level.toString(), "DEBUG");
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},
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'should also register as an appender for loggers if an appender for that category is defined': function (log4js) {
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var otherEvent, appenderEvent, cheeseLogger;
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log4js.addAppender(function (evt) { appenderEvent = evt; });
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log4js.addAppender(function (evt) { otherEvent = evt; }, 'cheese');
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cheeseLogger = log4js.getLogger('cheese');
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cheeseLogger.debug('This is a test');
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assert.deepEqual(appenderEvent, otherEvent);
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assert.equal(otherEvent.data[0], 'This is a test');
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assert.equal(otherEvent.categoryName, 'cheese');
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otherEvent = undefined;
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appenderEvent = undefined;
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log4js.getLogger('pants').debug("this should not be propagated to otherEvent");
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assert.isUndefined(otherEvent);
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assert.equal(appenderEvent.data[0], "this should not be propagated to otherEvent");
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}
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},
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'with a category': {
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'should only register the function as a listener for that category': function(log4js) {
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var appenderEvent, appender = function(evt) { appenderEvent = evt; }, logger = log4js.getLogger("tests");
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log4js.addAppender(appender, 'tests');
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logger.debug('this is a category test');
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assert.equal(appenderEvent.data[0], 'this is a category test');
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appenderEvent = undefined;
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log4js.getLogger('some other category').debug('Cheese');
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assert.isUndefined(appenderEvent);
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}
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},
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'with multiple categories': {
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'should register the function as a listener for all the categories': function(log4js) {
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var appenderEvent, appender = function(evt) { appenderEvent = evt; }, logger = log4js.getLogger('tests');
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log4js.addAppender(appender, 'tests', 'biscuits');
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logger.debug('this is a test');
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assert.equal(appenderEvent.data[0], 'this is a test');
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appenderEvent = undefined;
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var otherLogger = log4js.getLogger('biscuits');
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otherLogger.debug("mmm... garibaldis");
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assert.equal(appenderEvent.data[0], "mmm... garibaldis");
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appenderEvent = undefined;
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log4js.getLogger("something else").debug("pants");
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assert.isUndefined(appenderEvent);
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},
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'should register the function when the list of categories is an array': function(log4js) {
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var appenderEvent, appender = function(evt) { appenderEvent = evt; };
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log4js.addAppender(appender, ['tests', 'pants']);
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log4js.getLogger('tests').debug('this is a test');
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assert.equal(appenderEvent.data[0], 'this is a test');
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appenderEvent = undefined;
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log4js.getLogger('pants').debug("big pants");
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assert.equal(appenderEvent.data[0], "big pants");
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appenderEvent = undefined;
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log4js.getLogger("something else").debug("pants");
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assert.isUndefined(appenderEvent);
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}
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}
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},
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'default setup': {
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topic: function() {
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var pathsChecked = [],
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message,
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logger,
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modulePath = require('path').normalize(__dirname + '/../lib/log4js.json'),
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fakeFS = {
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readFileSync: function (file, encoding) {
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assert.equal(file, modulePath);
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assert.equal(encoding, 'utf8');
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return '{ "appenders" : [ { "type": "console", "layout": { "type": "messagePassThrough" }} ] }';
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},
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statSync: function (path) {
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pathsChecked.push(path);
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if (path === modulePath) {
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return true;
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} else {
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throw new Error("no such file");
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}
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}
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},
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fakeConsole = {
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log : function (msg) { message = msg; },
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info: this.log,
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warn: this.log,
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debug: this.log,
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error: this.log
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},
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log4js = sandbox.require(
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'../lib/log4js',
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{
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requires: {
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'fs': fakeFS
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},
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globals: {
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'console': fakeConsole
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}
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}
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);
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logger = log4js.getLogger('a-test');
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logger.debug("this is a test");
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return [ pathsChecked, message, modulePath ];
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},
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'should check current directory, require paths, and finally the module dir for log4js.json': function(args) {
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var pathsChecked = args[0];
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expectedPaths = ['log4js.json'].concat(
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require.paths.map(function(item) {
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return item + '/log4js.json';
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}),
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args[2]
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);
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assert.deepEqual(pathsChecked, expectedPaths);
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},
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'should configure log4js from first log4js.json found': function(args) {
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var message = args[1];
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assert.equal(message, 'this is a test');
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}
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},
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'logLevelFilter': {
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topic: function() {
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var log4js = require('../lib/log4js'), logEvents = [], logger;
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log4js.clearAppenders();
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log4js.addAppender(log4js.logLevelFilter('ERROR', function(evt) { logEvents.push(evt); }), "logLevelTest");
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logger = log4js.getLogger("logLevelTest");
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logger.debug('this should not trigger an event');
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logger.warn('neither should this');
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logger.error('this should, though');
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logger.fatal('so should this');
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return logEvents;
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},
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'should only pass log events greater than or equal to its own level' : function(logEvents) {
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assert.length(logEvents, 2);
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assert.equal(logEvents[0].data[0], 'this should, though');
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assert.equal(logEvents[1].data[0], 'so should this');
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}
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},
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'console' : {
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topic: function() {
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var fakeConsole = {}
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, logEvents = []
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, log4js;
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['trace','debug','log','info','warn','error'].forEach(function(fn) {
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fakeConsole[fn] = function() {
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throw new Error("this should not be called.");
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};
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});
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log4js = sandbox.require(
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'../lib/log4js'
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, {
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globals: {
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console: fakeConsole
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}
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}
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);
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log4js.clearAppenders();
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log4js.addAppender(function(evt) {
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logEvents.push(evt);
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});
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fakeConsole.log("Some debug message someone put in a module");
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fakeConsole.debug("Some debug");
|
|
fakeConsole.error("An error");
|
|
fakeConsole.info("some info");
|
|
fakeConsole.warn("a warning");
|
|
|
|
fakeConsole.log("cheese (%s) and biscuits (%s)", "gouda", "garibaldis");
|
|
fakeConsole.log({ lumpy: "tapioca" });
|
|
fakeConsole.log("count %d", 123);
|
|
fakeConsole.log("stringify %j", { lumpy: "tapioca" });
|
|
|
|
return logEvents;
|
|
},
|
|
'should replace console.log methods with log4js ones': function(logEvents) {
|
|
assert.equal(logEvents[0].data[0], "Some debug message someone put in a module");
|
|
assert.equal(logEvents[0].level.toString(), "INFO");
|
|
assert.equal(logEvents[1].data[0], "Some debug");
|
|
assert.equal(logEvents[1].level.toString(), "DEBUG");
|
|
assert.equal(logEvents[2].data[0], "An error");
|
|
assert.equal(logEvents[2].level.toString(), "ERROR");
|
|
assert.equal(logEvents[3].data[0], "some info");
|
|
assert.equal(logEvents[3].level.toString(), "INFO");
|
|
assert.equal(logEvents[4].data[0], "a warning");
|
|
assert.equal(logEvents[4].level.toString(), "WARN");
|
|
}
|
|
},
|
|
'configuration persistence' : {
|
|
'should maintain appenders between requires': function () {
|
|
var logEvent, firstLog4js = require('../lib/log4js'), secondLog4js;
|
|
firstLog4js.clearAppenders();
|
|
firstLog4js.addAppender(function(evt) { logEvent = evt; });
|
|
|
|
secondLog4js = require('../lib/log4js');
|
|
secondLog4js.getLogger().info("This should go to the appender defined in firstLog4js");
|
|
|
|
assert.equal(logEvent.data[0], "This should go to the appender defined in firstLog4js");
|
|
}
|
|
}
|
|
|
|
}).export(module);
|