497 lines
20 KiB
JavaScript
497 lines
20 KiB
JavaScript
var vows = require('vows'),
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assert = require('assert');
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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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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].message, '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, 2);
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assert.equal(events[1].level.toString(), 'WARN');
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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, logmessages = [], thing = "thing", fakeFS = {
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openSync: function() {
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assert.equal(arguments[0], './tmp-tests.log');
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assert.equal(arguments[1], 'a');
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assert.equal(arguments[2], 0644);
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return thing;
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},
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write: function() {
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assert.equal(arguments[0], thing);
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assert.isString(arguments[1]);
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assert.isNull(arguments[2]);
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assert.equal(arguments[3], "utf8");
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logmessages.push(arguments[1]);
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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 = require('../lib/log4js')(fakeFS);
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log4js.clearAppenders();
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appender = log4js.fileAppender('./tmp-tests.log', log4js.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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filesClosed = [],
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filesRenamed = [],
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newFilenames = [],
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existingFiles = ['tests.log'],
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log4js = require('../lib/log4js')({
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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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openSync: function(file) {
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assert.equal(file, 'tests.log');
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filesOpened.push(file);
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return file;
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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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closeSync: function(file) {
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//it should always be closing tests.log
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assert.equal(file, 'tests.log');
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filesClosed.push(file);
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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, filesClosed, 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], filesOpened = args[1], filesClosed = args[2], filesRenamed = args[3], 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(filesClosed, 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(filesClosed, 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(filesClosed, 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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openSync: function(file) {
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return file;
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},
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write: function(file, 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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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 = require('../lib/log4js')(fakeFS);
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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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},
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'with no appenders defined' : {
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topic: function() {
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var logger, message, log4js = require('../lib/log4js')(null, function (msg) { message = msg; } );
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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.message, "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.message, '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.message, "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.message, '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.message, '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.message, "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.message, '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.message, "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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fakeFS = {
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readFileSync: function (file, encoding) {
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assert.equal(file, '/path/to/config/log4js.json');
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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 === '/path/to/config/log4js.json') {
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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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fakeConsoleLog = function (msg) { message = msg; },
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fakeRequirePath = [ '/a/b/c', '/some/other/path', '/path/to/config', '/some/later/directory' ],
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log4js = require('../lib/log4js')(fakeFS, fakeConsoleLog, fakeRequirePath),
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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 ];
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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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assert.deepEqual(pathsChecked, [
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'log4js.json',
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'/a/b/c/log4js.json',
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'/some/other/path/log4js.json',
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'/path/to/config/log4js.json',
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'/some/later/directory/log4js.json',
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require('path').normalize(__dirname + '/../lib/log4js.json')
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]);
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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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'colouredLayout': {
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topic: function() {
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return require('../lib/log4js')().colouredLayout;
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},
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'should apply level colour codes to output': function(layout) {
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var output = layout({
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message: "nonsense",
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startTime: new Date(2010, 11, 5, 14, 18, 30, 45),
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categoryName: "cheese",
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level: {
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colour: "green",
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toString: function() { return "ERROR"; }
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}
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});
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assert.equal(output, '\033[90m[2010-12-05 14:18:30.045] \033[39m\033[32m[ERROR] \033[39m\033[90mcheese - \033[39mnonsense');
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}
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},
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'messagePassThroughLayout': {
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topic: function() {
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return require('../lib/log4js')().messagePassThroughLayout;
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},
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'should take a logevent and output only the message' : function(layout) {
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assert.equal(layout({
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message: "nonsense",
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startTime: new Date(2010, 11, 5, 14, 18, 30, 45),
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categoryName: "cheese",
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level: {
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colour: "green",
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toString: function() { return "ERROR"; }
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}
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}), "nonsense");
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}
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},
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'basicLayout': {
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topic: function() {
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var layout = require('../lib/log4js')().basicLayout,
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event = {
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message: 'this is a test',
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startTime: new Date(2010, 11, 5, 14, 18, 30, 45),
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categoryName: "tests",
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level: {
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colour: "green",
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toString: function() { return "DEBUG"; }
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}
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};
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return [layout, event];
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},
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'should take a logevent and output a formatted string': function(args) {
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var layout = args[0], event = args[1];
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assert.equal(layout(event), "[2010-12-05 14:18:30.045] [DEBUG] tests - this is a test");
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},
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'should output a stacktrace, message if the event has an error attached': function(args) {
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var layout = args[0], event = args[1], output, lines,
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error = new Error("Some made-up error"),
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stack = error.stack.split(/\n/);
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event.exception = error;
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output = layout(event);
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lines = output.split(/\n/);
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assert.length(lines, stack.length+1);
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assert.equal(lines[0], "[2010-12-05 14:18:30.045] [DEBUG] tests - this is a test");
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assert.equal(lines[1], "[2010-12-05 14:18:30.045] [DEBUG] tests - Error: Some made-up error");
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for (var i = 1; i < stack.length; i++) {
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assert.equal(lines[i+1], stack[i]);
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}
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},
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'should output a name and message if the event has something that pretends to be an error': function(args) {
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var layout = args[0], event = args[1], output, lines;
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event.exception = {
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name: 'Cheese',
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message: 'Gorgonzola smells.'
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};
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output = layout(event);
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lines = output.split(/\n/);
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assert.length(lines, 2);
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assert.equal(lines[0], "[2010-12-05 14:18:30.045] [DEBUG] tests - this is a test");
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assert.equal(lines[1], "[2010-12-05 14:18:30.045] [DEBUG] tests - Cheese: Gorgonzola smells.");
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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); }));
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logger = log4js.getLogger();
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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) {
|
|
assert.length(logEvents, 2);
|
|
assert.equal(logEvents[0].message, 'this should, though');
|
|
assert.equal(logEvents[1].message, 'so should this');
|
|
}
|
|
},
|
|
|
|
'Date extensions': {
|
|
topic: function() {
|
|
require('../lib/log4js');
|
|
return new Date(2010, 0, 11, 14, 31, 30, 5);
|
|
},
|
|
'should add a toFormattedString method to Date': function(date) {
|
|
assert.isFunction(date.toFormattedString);
|
|
},
|
|
'should default to a format': function(date) {
|
|
assert.equal(date.toFormattedString(), '2010-01-11 14:31:30.005');
|
|
}
|
|
}
|
|
|
|
}).export(module);
|