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604 lines
18 KiB
604 lines
18 KiB
"use strict";
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var vows = require('vows')
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, assert = require('assert')
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, sandbox = require('sandboxed-module');
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function setupConsoleTest() {
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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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return { log4js: log4js, logEvents: logEvents, fakeConsole: fakeConsole };
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}
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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.equal(events.length, 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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require('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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{
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requires: {
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'./appenders/file':
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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 = { appenders:
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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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}
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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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{ statSync:
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function() {
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return { mtime: Date.now() };
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},
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readFileSync:
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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:
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function() {
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return ['file'];
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}
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},
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'./appenders/file':
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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': 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,
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appender = function(evt) { appenderEvent = evt; },
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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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'if an appender for a category is defined': {
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'should register for that category': function (log4js) {
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var otherEvent,
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appenderEvent,
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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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},
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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,
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appender = function(evt) { appenderEvent = evt; },
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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,
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appender = function(evt) { appenderEvent = evt; },
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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,
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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 appenderEvents = [],
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fakeConsole = {
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'name': 'console',
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'appender': function () {
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return function(evt) {
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appenderEvents.push(evt);
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};
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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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globalConsole = {
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log: function() { }
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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': fakeConsole
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},
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globals: {
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console: globalConsole
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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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globalConsole.log("this should not be logged");
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return appenderEvents;
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},
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'should configure a console appender': function(appenderEvents) {
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assert.equal(appenderEvents[0].data[0], 'this is a test');
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},
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'should not replace console.log with log4js version': function(appenderEvents) {
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assert.equal(appenderEvents.length, 1);
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}
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},
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'console' : {
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topic: setupConsoleTest,
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'when replaceConsole called': {
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topic: function(test) {
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test.log4js.replaceConsole();
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test.fakeConsole.log("Some debug message someone put in a module");
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test.fakeConsole.debug("Some debug");
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test.fakeConsole.error("An error");
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test.fakeConsole.info("some info");
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test.fakeConsole.warn("a warning");
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test.fakeConsole.log("cheese (%s) and biscuits (%s)", "gouda", "garibaldis");
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test.fakeConsole.log({ lumpy: "tapioca" });
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test.fakeConsole.log("count %d", 123);
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test.fakeConsole.log("stringify %j", { lumpy: "tapioca" });
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return test.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.length, 9);
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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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assert.equal(logEvents[5].data[0], "cheese (%s) and biscuits (%s)");
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assert.equal(logEvents[5].data[1], "gouda");
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assert.equal(logEvents[5].data[2], "garibaldis");
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}
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},
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'when turned off': {
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topic: function(test) {
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test.log4js.restoreConsole();
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try {
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test.fakeConsole.log("This should cause the error described in the setup");
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} catch (e) {
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return e;
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}
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},
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'should call the original console methods': function (err) {
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assert.instanceOf(err, Error);
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assert.equal(err.message, "this should not be called.");
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}
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},
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'configuration': {
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topic: function(test) {
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test.log4js.replaceConsole();
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test.log4js.configure({ replaceConsole: false });
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try {
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test.fakeConsole.log("This should cause the error described in the setup");
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} catch (e) {
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return e;
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}
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},
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'should allow for turning off console replacement': function (err) {
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assert.instanceOf(err, Error);
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assert.equal(err.message, 'this should not be called.');
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}
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}
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},
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'configuration persistence' : {
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topic: function() {
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var logEvent,
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firstLog4js = require('../lib/log4js'),
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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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return logEvent;
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},
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'should maintain appenders between requires': function (logEvent) {
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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 with configuration changing' : {
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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 = 'path/to/log4js.json',
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fakeFS = {
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lastMtime: Date.now(),
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config: {
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appenders: [
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{ type: 'console', layout: { type: 'messagePassThrough' } }
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],
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levels: { 'a-test' : 'INFO' }
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},
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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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fakeFS.lastMtime += 1;
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return { mtime: new Date(fakeFS.lastMtime) };
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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': 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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log4js.configure('path/to/log4js.json', { reloadSecs: 30 });
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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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fakeFS.config.levels['a-test'] = "DEBUG";
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setIntervalCallback();
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logger.info("info3");
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logger.debug("debug4");
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return logEvents;
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},
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'should configure log4js from first log4js.json found': function(logEvents) {
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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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assert.equal(logEvents.length, 3);
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}
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},
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'configuration reload with configuration staying the same' : {
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topic: function() {
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var pathsChecked = [],
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fileRead = 0,
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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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mtime = new Date(),
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fakeFS = {
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config: {
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appenders: [
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{ type: 'console', layout: { type: 'messagePassThrough' } }
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],
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levels: { 'a-test' : 'INFO' }
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},
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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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fileRead += 1;
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assert.isString(file);
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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) {
|
|
return { mtime: mtime };
|
|
} else {
|
|
throw new Error("no such file");
|
|
}
|
|
}
|
|
},
|
|
fakeConsole = {
|
|
'name': 'console',
|
|
'appender': function () {
|
|
return function(evt) { logEvents.push(evt); };
|
|
},
|
|
'configure': function (config) {
|
|
return fakeConsole.appender();
|
|
}
|
|
},
|
|
setIntervalCallback,
|
|
fakeSetInterval = function(cb, timeout) {
|
|
setIntervalCallback = cb;
|
|
},
|
|
log4js = sandbox.require(
|
|
'../lib/log4js',
|
|
{
|
|
requires: {
|
|
'fs': fakeFS,
|
|
'./appenders/console': fakeConsole
|
|
},
|
|
globals: {
|
|
'console': fakeConsole,
|
|
'setInterval' : fakeSetInterval,
|
|
}
|
|
}
|
|
);
|
|
|
|
log4js.configure(modulePath, { reloadSecs: 3 });
|
|
logger = log4js.getLogger('a-test');
|
|
logger.info("info1");
|
|
logger.debug("debug2 - should be ignored");
|
|
setIntervalCallback();
|
|
logger.info("info3");
|
|
logger.debug("debug4");
|
|
|
|
return [ pathsChecked, logEvents, modulePath, fileRead ];
|
|
},
|
|
'should only read the configuration file once': function(args) {
|
|
var fileRead = args[3];
|
|
assert.equal(fileRead, 1);
|
|
},
|
|
'should configure log4js from first log4js.json found': function(args) {
|
|
var logEvents = args[1];
|
|
assert.equal(logEvents.length, 2);
|
|
assert.equal(logEvents[0].data[0], 'info1');
|
|
assert.equal(logEvents[1].data[0], 'info3');
|
|
}
|
|
}
|
|
}).export(module);
|