467 lines
18 KiB
JavaScript
467 lines
18 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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'invalid configuration': {
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'should throw an exception': function() {
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assert.throws(function() {
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log4js.configure({ "type": "invalid" });
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});
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}
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},
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'configuration when passed as object': {
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topic: function() {
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var appenderConfig
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, log4js = sandbox.require(
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'../lib/log4js'
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, { requires:
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{ './appenders/file.js':
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{
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name: "file"
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, appender: function() {}
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, configure: function(configuration) {
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appenderConfig = configuration;
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return function() {};
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}
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}
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}
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}
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)
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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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log4js.configure(config);
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return appenderConfig;
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},
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'should be passed to appender config': function(configuration) {
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assert.equal(configuration.filename, 'cheesy-wotsits.log');
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}
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},
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'configuration when passed as filename': {
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topic: function() {
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var appenderConfig
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, configFilename
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, log4js = sandbox.require(
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'../lib/log4js'
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, { requires:
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{ 'fs':
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{
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readFileSync: function(filename) {
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configFilename = filename;
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return JSON.stringify({
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appenders: [
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{ type: "file"
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, filename: "whatever.log"
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}
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]
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});
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},
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readdirSync: function() {
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return ['file.js'];
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}
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}
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, './appenders/file.js':
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{
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name: "file"
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, appender: function() {}
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, configure: function(configuration) {
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appenderConfig = configuration;
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return function() {};
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}
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}
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}
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}
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);
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log4js.configure("/path/to/cheese.json");
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return [ configFilename, appenderConfig ];
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},
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'should read the config from a file': function(args) {
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assert.equal(args[0], '/path/to/cheese.json');
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},
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'should pass config to appender': function(args) {
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assert.equal(args[1].filename, "whatever.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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, that = this
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, fakeConsoleAppender = {
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name: "console"
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, appender: function() {
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return function(evt) {
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that.callback(null, evt);
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}
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}
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, configure: function() {
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return fakeConsoleAppender.appender();
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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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'./appenders/console.js': fakeConsoleAppender
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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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},
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'should default to the console appender': function(evt) {
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assert.equal(evt.data[0], "This is a test");
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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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appenderEvent,
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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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readdirSync: function(dir) {
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return require('fs').readdirSync(dir);
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},
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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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'name': 'console'
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, 'appender': function () {
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return function(evt) { appenderEvent = evt; }
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}
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, 'configure': function (config) {
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return fakeConsole.appender();
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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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, './appenders/console.js': 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, appenderEvent, 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 appenderEvent = args[1];
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assert.equal(appenderEvent.data[0], 'this is a test');
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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");
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fakeConsole.error("An error");
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fakeConsole.info("some info");
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fakeConsole.warn("a warning");
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fakeConsole.log("cheese (%s) and biscuits (%s)", "gouda", "garibaldis");
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fakeConsole.log({ lumpy: "tapioca" });
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fakeConsole.log("count %d", 123);
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fakeConsole.log("stringify %j", { lumpy: "tapioca" });
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return logEvents;
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},
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'should replace console.log methods with log4js ones': function(logEvents) {
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assert.equal(logEvents[0].data[0], "Some debug message someone put in a module");
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assert.equal(logEvents[0].level.toString(), "INFO");
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assert.equal(logEvents[1].data[0], "Some debug");
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assert.equal(logEvents[1].level.toString(), "DEBUG");
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assert.equal(logEvents[2].data[0], "An error");
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assert.equal(logEvents[2].level.toString(), "ERROR");
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assert.equal(logEvents[3].data[0], "some info");
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assert.equal(logEvents[3].level.toString(), "INFO");
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assert.equal(logEvents[4].data[0], "a warning");
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assert.equal(logEvents[4].level.toString(), "WARN");
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}
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},
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'configuration persistence' : {
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'should maintain appenders between requires': function () {
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var logEvent, firstLog4js = require('../lib/log4js'), secondLog4js;
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firstLog4js.clearAppenders();
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firstLog4js.addAppender(function(evt) { logEvent = evt; });
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secondLog4js = require('../lib/log4js');
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secondLog4js.getLogger().info("This should go to the appender defined in firstLog4js");
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assert.equal(logEvent.data[0], "This should go to the appender defined in firstLog4js");
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}
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},
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'configuration reload' : {
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topic: function() {
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var pathsChecked = [],
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logEvents = [],
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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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config: { appenders: [ { type: 'console', layout: { type: 'messagePassThrough' } } ],
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levels: { 'a-test' : 'INFO' } },
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readdirSync: function(dir) {
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return require('fs').readdirSync(dir);
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},
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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 JSON.stringify(fakeFS.config);
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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 { mtime: new Date() };
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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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'name': 'console',
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'appender': function () {
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return function(evt) { logEvents.push(evt); };
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},
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'configure': function (config) {
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return fakeConsole.appender();
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}
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},
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setIntervalCallback,
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fakeSetInterval = function(cb, timeout) {
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setIntervalCallback = cb;
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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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'./appenders/console.js': fakeConsole
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},
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globals: {
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'console': fakeConsole,
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'setInterval' : fakeSetInterval,
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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.info("info1");
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logger.debug("debug2 - should be ignored");
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delete fakeFS.config.levels;
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setIntervalCallback();
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logger.info("info3");
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logger.debug("debug4");
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return [ pathsChecked, logEvents, modulePath ];
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},
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'should configure log4js from first log4js.json found': function(args) {
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var logEvents = args[1];
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assert.length(logEvents, 3);
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assert.equal(logEvents[0].data[0], 'info1');
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assert.equal(logEvents[1].data[0], 'info3');
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assert.equal(logEvents[2].data[0], 'debug4');
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}
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}
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}).export(module);
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